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1999 GMC C3500

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Displaying 1 to 25 (of 45 products)
On Sale:

$13.93

Avail:
8 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC C3500 equipped with
7.4L V8 Gas OHV
 
1
 
Auxiliary Heater Pipe-1 To Auxiliary Heater Pipe-2
 
Small I.D. Heater Hose
Cut to Fit
w/Aux. Heater
 
1999 GMC C3500 equipped with
7.4L V8 Gas OHV
Auxiliary Heater Pipe-1 To Auxiliary Heater Pipe-2 Small I.D. Heater Hose
Cut to Fit
w/Aux. Heater

1 Per Vehicle
1999 GMC C3500 equipped with
7.4L V8 Gas OHV
 
1
 
Auxiliary Heater Pipe-3 To Auxiliary Heater Pipe-4
 
Small I.D. Heater Hose
w/Aux. Heater
 
1999 GMC C3500 equipped with
7.4L V8 Gas OHV
Auxiliary Heater Pipe-3 To Auxiliary Heater Pipe-4 Small I.D. Heater Hose
w/Aux. Heater

1 Per Vehicle
On Sale:

$28.52

Avail:
2 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
 
1
 
Heater To Water Pump
 
Molded
Cut to Fit
 
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
Heater To Water Pump Molded
Cut to Fit

1 Per Vehicle
On Sale:

$7.22

Avail:
2 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Pipe-1 To Water Pump
 
Universal 90 Degree
w/ Aux. Heater
 
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Pipe-1 To Water Pump Universal 90 Degree
w/ Aux. Heater

1 Per Vehicle
On Sale:

$20.07

Avail:
1 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
 
1
 
Heater To Radiator
 
Universal 90 Degree
Cut to Fit
 
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
Heater To Radiator Universal 90 Degree
Cut to Fit

1 Per Vehicle
On Sale:

$20.05

Avail:
3 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC C3500 equipped with
7.4L V8 Gas OHV
 
1
 
Heater To Water Pump
 
Universal 90 Degree
 
1999 GMC C3500 equipped with
7.4L V8 Gas OHV
Heater To Water Pump Universal 90 Degree

1 Per Vehicle
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Heater To Engine
 
Universal 90 Degree
Cut to Fit
 
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Heater To Engine Universal 90 Degree
Cut to Fit

1 Per Vehicle
On Sale:

$14.93

Avail:
1 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
 
1
 
Heater To Pipe-1
 
Molded
 
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
Heater To Pipe-1 Molded

1 Per Vehicle
On Sale:

$12.75

Avail:
1 in Stock
Warehouse: US-1
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Auxiliary Heater Pipe-3 To Auxiliary Heater Pipe-4
 
Molded Heater Hose
Cut to fit
 
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Auxiliary Heater Pipe-3 To Auxiliary Heater Pipe-4 Molded Heater Hose
Cut to fit

1 Per Vehicle
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
 
1
 
Auxiliary Heater Pipe-2 To Auxiliary Heater Pipe-3
 
Molded Heater Hose
W/Aux. Heater
Cut to fit
 
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
Auxiliary Heater Pipe-2 To Auxiliary Heater Pipe-3 Molded Heater Hose
W/Aux. Heater
Cut to fit

1 Per Vehicle
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
 
1
 
Auxiliary Heater Pipe-5 To Auxiliary Heater Pipe-6
 
Molded Heater Hose
W/Aux. Heater
Cut to fit
 
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
Auxiliary Heater Pipe-5 To Auxiliary Heater Pipe-6 Molded Heater Hose
W/Aux. Heater
Cut to fit

1 Per Vehicle
1999 GMC C3500 equipped with
7.4L V8 Gas OHV
 
1
 
Auxiliary Heater Pipe-1 To Auxiliary Heater Pipe-2
 
Molded Heater Hose
W/Aux. Heater
Cut to fit
 
1999 GMC C3500 equipped with
7.4L V8 Gas OHV
Auxiliary Heater Pipe-1 To Auxiliary Heater Pipe-2 Molded Heater Hose
W/Aux. Heater
Cut to fit

1 Per Vehicle
1999 GMC C3500 equipped with
7.4L V8 Gas OHV
 
1
 
Auxiliary Heater Pipe-3 To Auxiliary Heater Pipe-4
 
Molded Heater Hose
W/Aux. Heater
Cut to fit
 
1999 GMC C3500 equipped with
7.4L V8 Gas OHV
Auxiliary Heater Pipe-3 To Auxiliary Heater Pipe-4 Molded Heater Hose
W/Aux. Heater
Cut to fit

1 Per Vehicle
On Sale:

$16.07

Avail:
1 in Stock
Warehouse: US-1
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Auxiliary Heater Pipe-4 To Auxiliary Heater
 
Molded Heater Hose
 
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Auxiliary Heater Pipe-4 To Auxiliary Heater Molded Heater Hose

1 Per Vehicle
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
 
1
 
Auxiliary Heater Pipe-3 To Auxiliary Heater Pipe-4
 
Molded Heater Hose
W/Aux. Heater
 
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
Auxiliary Heater Pipe-3 To Auxiliary Heater Pipe-4 Molded Heater Hose
W/Aux. Heater

1 Per Vehicle
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
 
1
 
Auxiliary Heater Pipe-6 To Auxiliary Heater
 
Molded Heater Hose
W/Aux. Heater
 
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
Auxiliary Heater Pipe-6 To Auxiliary Heater Molded Heater Hose
W/Aux. Heater

1 Per Vehicle
1999 GMC C3500 equipped with
7.4L V8 Gas OHV
 
1
 
Auxiliary Heater Pipe-2 To Auxiliary Heater
 
Molded Heater Hose
W/Aux. Heater
 
1999 GMC C3500 equipped with
7.4L V8 Gas OHV
Auxiliary Heater Pipe-2 To Auxiliary Heater Molded Heater Hose
W/Aux. Heater

1 Per Vehicle
1999 GMC C3500 equipped with
7.4L V8 Gas OHV
 
1
 
Auxiliary Heater Pipe-4 To Auxiliary Heater
 
Molded Heater Hose
W/Aux. Heater
 
1999 GMC C3500 equipped with
7.4L V8 Gas OHV
Auxiliary Heater Pipe-4 To Auxiliary Heater Molded Heater Hose
W/Aux. Heater

1 Per Vehicle
On Sale:

$8.86

Avail:
3 in Stock
Warehouse: US-1
Qty:
EnginePer VehicleFit NotesFitment Notes
1999 GMC C3500 equipped with
7.4L V8 Gas OHV
 
1
 
Engine Coolant Bypass Hose
Molded Heater Hose
Cut to fit
 
1999 GMC C3500 equipped with
7.4L V8 Gas OHV Engine Coolant Bypass Hose
Molded Heater Hose
Cut to fit

1 Per Vehicle
On Sale:

$10.83

Avail:
1 in Stock
Warehouse: US-1
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
 
1
 
Heater To Pipe-1
 
Molded Heater Hose
W/O Aux. Heater
 
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
Heater To Pipe-1 Molded Heater Hose
W/O Aux. Heater

1 Per Vehicle
On Sale:

$6.38

Avail:
5 in Stock
Warehouse: US-1
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Valve-1 To Pipe-2
 
Molded Coolant Hose
W/O Aux. Heater
W/Ext. Heater Valve
W/140A. Alt.
Cut to fit
 
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Valve-1 To Pipe-2 Molded Coolant Hose
W/O Aux. Heater
W/Ext. Heater Valve
W/140A. Alt.
Cut to fit

1 Per Vehicle
On Sale:

$50.83

Avail:
12 in Stock
Warehouse: US-1
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Auxiliary Heater Pipe-1 To Auxiliary Heater Pipe-2
 
Straight Heater Hose (Standard)
W/Ext. Heater Valve
Cut to Length, 7
 
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Auxiliary Heater Pipe-1 To Auxiliary Heater Pipe-2 Straight Heater Hose (Standard)
W/Ext. Heater Valve
Cut to Length, 7

1 Per Vehicle
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Heater To Pipe-2
 
Straight Heater Hose (Standard)
W/O Aux. Heater
Cut to Length, 32
 
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Heater To Pipe-2 Straight Heater Hose (Standard)
W/O Aux. Heater
Cut to Length, 32

1 Per Vehicle
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Valve-1 To Heater
 
Straight Heater Hose (Standard)
W/O Aux. Heater
W/Ext. Heater Valve
Cut to Length, 7
 
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Valve-1 To Heater Straight Heater Hose (Standard)
W/O Aux. Heater
W/Ext. Heater Valve
Cut to Length, 7

1 Per Vehicle
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
 
1
 
Heater To Radiator
 
Straight Heater Hose (Standard)
W/O Aux. Heater
Cut to Length, 45
 
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
Heater To Radiator Straight Heater Hose (Standard)
W/O Aux. Heater
Cut to Length, 45

1 Per Vehicle
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
 
1
 
Tee-1 To Intake Manifold
 
Straight Heater Hose (Standard)
W/Aux. Heater
Cut to Length, 6
 
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
Tee-1 To Intake Manifold Straight Heater Hose (Standard)
W/Aux. Heater
Cut to Length, 6

1 Per Vehicle
1999 GMC C3500 equipped with
7.4L V8 Gas OHV,
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Heater To Tee-2
 
Straight Heater Hose (Standard)
W/Aux. Heater
W/O Ext. Heater Valve
Cut to Length, 13
 
1999 GMC C3500 equipped with
7.4L V8 Gas OHV,
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Heater To Tee-2 Straight Heater Hose (Standard)
W/Aux. Heater
W/O Ext. Heater Valve
Cut to Length, 13

1 Per Vehicle
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Tee-2 To Pipe-1
 
Straight Heater Hose (Standard)
W/Aux. Heater
Cut to Length, 18
 
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Tee-2 To Pipe-1 Straight Heater Hose (Standard)
W/Aux. Heater
Cut to Length, 18

1 Per Vehicle
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
 
1
 
Heater To Tee-2
 
Straight Heater Hose (Standard)
W/Aux. Heater
Cut to Length, 20
 
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
Heater To Tee-2 Straight Heater Hose (Standard)
W/Aux. Heater
Cut to Length, 20

1 Per Vehicle
1999 GMC C3500 equipped with
7.4L V8 Gas OHV
 
1
 
Valve-1 To Heater
 
Straight Heater Hose (Standard)
W/Ext. Heater Valve
Cut to Length, 7
 
1999 GMC C3500 equipped with
7.4L V8 Gas OHV
Valve-1 To Heater Straight Heater Hose (Standard)
W/Ext. Heater Valve
Cut to Length, 7

1 Per Vehicle
1999 GMC C3500 equipped with
7.4L V8 Gas OHV
 
1
 
Heater To Radiator
 
Straight Heater Hose (Standard)
W/O Aux. Heater
Cut to Length, 36
 
1999 GMC C3500 equipped with
7.4L V8 Gas OHV
Heater To Radiator Straight Heater Hose (Standard)
W/O Aux. Heater
Cut to Length, 36

1 Per Vehicle
On Sale:

$63.05

Avail:
11 in Stock
Warehouse: US-1
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Heater To Valve-1
 
Straight Heater Hose (Standard)
W/O Aux. Heater
W/Ext. Heater Valve
Cut to Length, 7
 
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Heater To Valve-1 Straight Heater Hose (Standard)
W/O Aux. Heater
W/Ext. Heater Valve
Cut to Length, 7

1 Per Vehicle
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Heater To Pipe-1
 
Straight Heater Hose (Standard)
W/O Aux. Heater
W/O Ext. Heater Valve
Cut to Length, 40
 
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Heater To Pipe-1 Straight Heater Hose (Standard)
W/O Aux. Heater
W/O Ext. Heater Valve
Cut to Length, 40

1 Per Vehicle
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Valve-1 To Pipe-1
 
Straight Heater Hose (Standard)
W/O Aux. Heater
W/Ext. Heater Valve
Cut to Length, 36
 
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Valve-1 To Pipe-1 Straight Heater Hose (Standard)
W/O Aux. Heater
W/Ext. Heater Valve
Cut to Length, 36

1 Per Vehicle
1999 GMC C3500 equipped with
7.4L V8 Gas OHV,
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Heater To Tee-1
 
Straight Heater Hose (Standard)
W/Aux. Heater
W/O Ext. Heater Valve
Cut to Length, 13
 
1999 GMC C3500 equipped with
7.4L V8 Gas OHV,
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Heater To Tee-1 Straight Heater Hose (Standard)
W/Aux. Heater
W/O Ext. Heater Valve
Cut to Length, 13

1 Per Vehicle
1999 GMC C3500 equipped with
7.4L V8 Gas OHV,
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Tee-1 To Auxiliary Heater Pipe-1
 
Straight Heater Hose (Standard)
Cut to Length, 18
 
1999 GMC C3500 equipped with
7.4L V8 Gas OHV,
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Tee-1 To Auxiliary Heater Pipe-1 Straight Heater Hose (Standard)
Cut to Length, 18

1 Per Vehicle
1999 GMC C3500 equipped with
7.4L V8 Gas OHV,
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Tee-2 To Auxiliary Heater Pipe-3
 
Straight Heater Hose (Standard)
Cut to Length, 18
 
1999 GMC C3500 equipped with
7.4L V8 Gas OHV,
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Tee-2 To Auxiliary Heater Pipe-3 Straight Heater Hose (Standard)
Cut to Length, 18

1 Per Vehicle
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
 
1
 
Tee-1 To Auxiliary Heater Pipe-1
 
Straight Heater Hose (Standard)
W/Aux. Heater
Cut to Length, 18
 
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
Tee-1 To Auxiliary Heater Pipe-1 Straight Heater Hose (Standard)
W/Aux. Heater
Cut to Length, 18

1 Per Vehicle
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
 
1
 
Tee-2 To Auxiliary Heater Pipe-4
 
Straight Heater Hose (Standard)
W/Aux. Heater
Cut to Length, 18
 
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
Tee-2 To Auxiliary Heater Pipe-4 Straight Heater Hose (Standard)
W/Aux. Heater
Cut to Length, 18

1 Per Vehicle
1999 GMC C3500 equipped with
7.4L V8 Gas OHV
 
1
 
Heater To Valve-1
 
Straight Heater Hose (Standard)
W/Ext. Heater Valve
Cut to Length, 7
 
1999 GMC C3500 equipped with
7.4L V8 Gas OHV
Heater To Valve-1 Straight Heater Hose (Standard)
W/Ext. Heater Valve
Cut to Length, 7

1 Per Vehicle
1999 GMC C3500 equipped with
7.4L V8 Gas OHV
 
1
 
Heater To Pipe
 
Straight Heater Hose (Standard)
W/O Aux. Heater
W/O Ext. Heater Valve
Cut to Length, 44
 
1999 GMC C3500 equipped with
7.4L V8 Gas OHV
Heater To Pipe Straight Heater Hose (Standard)
W/O Aux. Heater
W/O Ext. Heater Valve
Cut to Length, 44

1 Per Vehicle
1999 GMC C3500 equipped with
7.4L V8 Gas OHV
 
1
 
Tee-1 To Pipe-1
 
Straight Heater Hose (Standard)
W/Aux. Heater
Cut to Length, 32
 
1999 GMC C3500 equipped with
7.4L V8 Gas OHV
Tee-1 To Pipe-1 Straight Heater Hose (Standard)
W/Aux. Heater
Cut to Length, 32

1 Per Vehicle
On Sale:

$11.83

Avail:
16 in Stock
Warehouse: US-1
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Valve-1 To Pipe-2
 
90 Degree Molded Heater Hose
W/O Aux. Heater
W/Ext. Heater Valve
W/O 140A. Alt.
Cut to fit
 
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Valve-1 To Pipe-2 90 Degree Molded Heater Hose
W/O Aux. Heater
W/Ext. Heater Valve
W/O 140A. Alt.
Cut to fit

1 Per Vehicle
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Pipe-2 To Engine
 
90 Degree Molded Heater Hose
W/O Aux. Heater
W/Ext. Heater Valve
Cut to fit
 
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Pipe-2 To Engine 90 Degree Molded Heater Hose
W/O Aux. Heater
W/Ext. Heater Valve
Cut to fit

1 Per Vehicle
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Pipe-2 To Engine
 
90 Degree Molded Heater Hose
W/O Aux. Heater
W/O Ext. Heater Valve
Cut to fit
 
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Pipe-2 To Engine 90 Degree Molded Heater Hose
W/O Aux. Heater
W/O Ext. Heater Valve
Cut to fit

1 Per Vehicle
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Pipe-1 To Water Pump
 
90 Degree Molded Heater Hose
W/Aux. Heater
Cut to fit
 
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Pipe-1 To Water Pump 90 Degree Molded Heater Hose
W/Aux. Heater
Cut to fit

1 Per Vehicle
On Sale:

$10.71

Avail:
3 in Stock
Warehouse: US-1
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
 
1
 
Auxiliary Heater Pipe-1 To Auxiliary Heater Pipe-2
 
90 Degree Molded Heater Hose
Cut to fit
 
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
Auxiliary Heater Pipe-1 To Auxiliary Heater Pipe-2 90 Degree Molded Heater Hose
Cut to fit

1 Per Vehicle
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
 
1
 
Auxiliary Heater Pipe-4 To Auxiliary Heater Pipe-5
 
90 Degree Molded Heater Hose
Cut to fit
 
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
Auxiliary Heater Pipe-4 To Auxiliary Heater Pipe-5 90 Degree Molded Heater Hose
Cut to fit

1 Per Vehicle
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
 
1
 
Heater To Tee-1
 
90 Degree Molded Heater Hose
W/Aux. Heater
Cut to fit
 
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
Heater To Tee-1 90 Degree Molded Heater Hose
W/Aux. Heater
Cut to fit

1 Per Vehicle
On Sale:

$13.99

Avail:
3 in Stock
Warehouse: US-1
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Heater To Pipe-1
 
90 Degree Molded Heater Hose
W/O Aux. Heater
W/O Ext. Heater Valve
Cut to fit
 
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Heater To Pipe-1 90 Degree Molded Heater Hose
W/O Aux. Heater
W/O Ext. Heater Valve
Cut to fit

1 Per Vehicle
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Valve-1 To Pipe-1
 
90 Degree Molded Heater Hose
W/O Aux. Heater
W/Ext. Heater Valve
Cut to fit
 
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Valve-1 To Pipe-1 90 Degree Molded Heater Hose
W/O Aux. Heater
W/Ext. Heater Valve
Cut to fit

1 Per Vehicle
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Tee-1 To Pipe-1
 
90 Degree Molded Heater Hose
W/Aux. Heater
Cut to fit
 
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Tee-1 To Pipe-1 90 Degree Molded Heater Hose
W/Aux. Heater
Cut to fit

1 Per Vehicle
On Sale:

$15.89

Avail:
3 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Auxiliary Heater Pipe-3 To Auxiliary Heater Pipe-4
 
Gold-Molded
Cut to fit
 
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Auxiliary Heater Pipe-3 To Auxiliary Heater Pipe-4 Gold-Molded
Cut to fit

1 Per Vehicle
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
 
1
 
Auxiliary Heater Pipe-2 To Auxiliary Heater Pipe-3
 
Gold-Molded
W/Aux. Heater
Cut to fit
 
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
Auxiliary Heater Pipe-2 To Auxiliary Heater Pipe-3 Gold-Molded
W/Aux. Heater
Cut to fit

1 Per Vehicle
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
 
1
 
Auxiliary Heater Pipe-5 To Auxiliary Heater Pipe-6
 
Gold-Molded
W/Aux. Heater
Cut to fit
 
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
Auxiliary Heater Pipe-5 To Auxiliary Heater Pipe-6 Gold-Molded
W/Aux. Heater
Cut to fit

1 Per Vehicle
1999 GMC C3500 equipped with
7.4L V8 Gas OHV
 
1
 
Auxiliary Heater Pipe-1 To Auxiliary Heater Pipe-2
 
Gold-Molded
W/Aux. Heater
Cut to fit
 
1999 GMC C3500 equipped with
7.4L V8 Gas OHV
Auxiliary Heater Pipe-1 To Auxiliary Heater Pipe-2 Gold-Molded
W/Aux. Heater
Cut to fit

1 Per Vehicle
1999 GMC C3500 equipped with
7.4L V8 Gas OHV
 
1
 
Auxiliary Heater Pipe-3 To Auxiliary Heater Pipe-4
 
Gold-Molded
W/Aux. Heater
Cut to fit
 
1999 GMC C3500 equipped with
7.4L V8 Gas OHV
Auxiliary Heater Pipe-3 To Auxiliary Heater Pipe-4 Gold-Molded
W/Aux. Heater
Cut to fit

1 Per Vehicle
On Sale:

$25.57

Avail:
1 in Stock
Warehouse: US-12
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Auxiliary Heater Pipe-4 To Auxiliary Heater
 
Gold-Molded
 
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Auxiliary Heater Pipe-4 To Auxiliary Heater Gold-Molded

1 Per Vehicle
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
 
1
 
Auxiliary Heater Pipe-3 To Auxiliary Heater Pipe-4
 
Gold-Molded
W/Aux. Heater
 
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
Auxiliary Heater Pipe-3 To Auxiliary Heater Pipe-4 Gold-Molded
W/Aux. Heater

1 Per Vehicle
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
 
1
 
Auxiliary Heater Pipe-6 To Auxiliary Heater
 
Gold-Molded
W/Aux. Heater
 
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
Auxiliary Heater Pipe-6 To Auxiliary Heater Gold-Molded
W/Aux. Heater

1 Per Vehicle
1999 GMC C3500 equipped with
7.4L V8 Gas OHV
 
1
 
Auxiliary Heater Pipe-2 To Auxiliary Heater
 
Gold-Molded
W/Aux. Heater
 
1999 GMC C3500 equipped with
7.4L V8 Gas OHV
Auxiliary Heater Pipe-2 To Auxiliary Heater Gold-Molded
W/Aux. Heater

1 Per Vehicle
1999 GMC C3500 equipped with
7.4L V8 Gas OHV
 
1
 
Auxiliary Heater Pipe-4 To Auxiliary Heater
 
Gold-Molded
W/Aux. Heater
 
1999 GMC C3500 equipped with
7.4L V8 Gas OHV
Auxiliary Heater Pipe-4 To Auxiliary Heater Gold-Molded
W/Aux. Heater

1 Per Vehicle
On Sale:

$11.21

Avail:
5 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
1999 GMC C3500 equipped with
7.4L V8 Gas OHV
 
1
 
Engine Coolant Bypass Hose
Gold-Molded
Cut to fit
 
1999 GMC C3500 equipped with
7.4L V8 Gas OHV Engine Coolant Bypass Hose
Gold-Molded
Cut to fit

1 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
 
1
 
Heater To Pipe-1
 
Gold-Molded
W/O Aux. Heater
 
1999 GMC C3500 equipped with
6.5L V8 Diesel OHV Turbo
Heater To Pipe-1 Gold-Molded
W/O Aux. Heater

1 Per Vehicle
On Sale:

$9.74

Avail:
27 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Valve-1 To Pipe-2
 
Gold-Molded
W/O Aux. Heater
W/Ext. Heater Valve
W/140A. Alt.
Cut to fit
 
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Valve-1 To Pipe-2 Gold-Molded
W/O Aux. Heater
W/Ext. Heater Valve
W/140A. Alt.
Cut to fit

1 Per Vehicle
On Sale:

$11.34

Avail:
49 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Valve-1 To Pipe-2
 
Gold-90 Degree Molded
W/O Aux. Heater
W/O 140A. Alt.
W/Ext. Heater Valve
Cut to fit
 
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Valve-1 To Pipe-2 Gold-90 Degree Molded
W/O Aux. Heater
W/O 140A. Alt.
W/Ext. Heater Valve
Cut to fit

1 Per Vehicle
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Pipe-2 To Engine
 
Gold-90 Degree Molded
W/O Aux. Heater
W/Ext. Heater Valve
Cut to fit
 
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Pipe-2 To Engine Gold-90 Degree Molded
W/O Aux. Heater
W/Ext. Heater Valve
Cut to fit

1 Per Vehicle
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Pipe-2 To Engine
 
Gold-90 Degree Molded
W/O Ext. Heater Valve
W/O Aux. Heater
Cut to fit
 
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Pipe-2 To Engine Gold-90 Degree Molded
W/O Ext. Heater Valve
W/O Aux. Heater
Cut to fit

1 Per Vehicle
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Pipe-1 To Water Pump
 
Gold-90 Degree Molded
W/Aux. Heater
Cut to fit
 
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Pipe-1 To Water Pump Gold-90 Degree Molded
W/Aux. Heater
Cut to fit

1 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC C3500 equipped with
7.4L V8 Gas OHV
 
1
 
Heater Inlet
 
ENG TO HTR MDL
Eng: L29
8th VIN Digit: J
 
1999 GMC C3500 equipped with
7.4L V8 Gas OHV
Heater Inlet ENG TO HTR MDL
Eng: L29
8th VIN Digit: J

1 Per Vehicle
On Sale:

$43.22

Avail:
39 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Heater Inlet
 
ENG TO HTR MDL
Eng: L31
8th VIN Digit: R
Cab & Chassis
2 Doors
 
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Heater Inlet ENG TO HTR MDL
Eng: L31
8th VIN Digit: R
Cab & Chassis
2 Doors

1 Per Vehicle
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Heater Inlet
 
ENG TO HTR MDL
Eng: L31
8th VIN Digit: R
Cab & Chassis
4 Doors
 
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Heater Inlet ENG TO HTR MDL
Eng: L31
8th VIN Digit: R
Cab & Chassis
4 Doors

1 Per Vehicle
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Heater Inlet
 
ENG TO HTR MDL
Eng: L31
8th VIN Digit: R
Crew Cab Pickup
4 Doors
 
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Heater Inlet ENG TO HTR MDL
Eng: L31
8th VIN Digit: R
Crew Cab Pickup
4 Doors

1 Per Vehicle
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Heater Inlet
 
ENG TO HTR MDL
Eng: L31
8th VIN Digit: R
Extended Cab Pickup
2 Doors
 
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Heater Inlet ENG TO HTR MDL
Eng: L31
8th VIN Digit: R
Extended Cab Pickup
2 Doors

1 Per Vehicle
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Heater Inlet
 
ENG TO HTR MDL
Eng: L31
8th VIN Digit: R
Standard Cab Pickup
2 Doors
 
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Heater Inlet ENG TO HTR MDL
Eng: L31
8th VIN Digit: R
Standard Cab Pickup
2 Doors

1 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Heater Outlet
 
100 AMP GENERATOR(K60), 105 AMP GENERATOR(K68), 105 AMP(8W5)
Eng: L31
8th VIN Digit: R
Cab & Chassis
2 Doors
 
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Heater Outlet 100 AMP GENERATOR(K60), 105 AMP GENERATOR(K68), 105 AMP(8W5)
Eng: L31
8th VIN Digit: R
Cab & Chassis
2 Doors

1 Per Vehicle
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Heater Outlet
 
100 AMP GENERATOR(K60), 105 AMP GENERATOR(K68), 105 AMP(8W5)
Eng: L31
8th VIN Digit: R
Cab & Chassis
4 Doors
 
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Heater Outlet 100 AMP GENERATOR(K60), 105 AMP GENERATOR(K68), 105 AMP(8W5)
Eng: L31
8th VIN Digit: R
Cab & Chassis
4 Doors

1 Per Vehicle
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Heater Outlet
 
100 AMP GENERATOR(K60), 105 AMP GENERATOR(K68), 105 AMP(8W5)
Eng: L31
8th VIN Digit: R
Crew Cab Pickup
4 Doors
 
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Heater Outlet 100 AMP GENERATOR(K60), 105 AMP GENERATOR(K68), 105 AMP(8W5)
Eng: L31
8th VIN Digit: R
Crew Cab Pickup
4 Doors

1 Per Vehicle
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Heater Outlet
 
100 AMP GENERATOR(K60), 105 AMP GENERATOR(K68), 105 AMP(8W5)
Eng: L31
8th VIN Digit: R
Extended Cab Pickup
2 Doors
 
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Heater Outlet 100 AMP GENERATOR(K60), 105 AMP GENERATOR(K68), 105 AMP(8W5)
Eng: L31
8th VIN Digit: R
Extended Cab Pickup
2 Doors

1 Per Vehicle
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
 
1
 
Heater Outlet
 
100 AMP GENERATOR(K60), 105 AMP GENERATOR(K68), 105 AMP(8W5)
Eng: L31
8th VIN Digit: R
Standard Cab Pickup
2 Doors
 
1999 GMC C3500 equipped with
5.7L V8 Gas OHV,
5.7L V8 CNG OHV
Heater Outlet 100 AMP GENERATOR(K60), 105 AMP GENERATOR(K68), 105 AMP(8W5)
Eng: L31
8th VIN Digit: R
Standard Cab Pickup
2 Doors

1 Per Vehicle
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