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1999 GMC K3500

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

$13.98

Avail:
7 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC K3500 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 K3500 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 K3500 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 K3500 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:

$28.57

Avail:
2 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC K3500 equipped with
6.5L V8 Diesel OHV Turbo
 
1
 
Heater To Water Pump
 
Molded
Cut to Fit
 
1999 GMC K3500 equipped with
6.5L V8 Diesel OHV Turbo
Heater To Water Pump Molded
Cut to Fit

1 Per Vehicle
On Sale:

$6.11

Avail:
3 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC K3500 equipped with
5.7L V8 Gas OHV
 
1
 
Pipe To Water Pump
 
Molded
 
1999 GMC K3500 equipped with
5.7L V8 Gas OHV
Pipe To Water Pump Molded

1 Per Vehicle
On Sale:

$7.22

Avail:
3 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC K3500 equipped with
5.7L V8 Gas OHV
 
1
 
Pipe-1 To Water Pump
 
Universal 90 Degree
w/ Aux. Heater
 
1999 GMC K3500 equipped with
5.7L V8 Gas OHV
Pipe-1 To Water Pump Universal 90 Degree
w/ Aux. Heater

1 Per Vehicle
On Sale:

$20.12

Avail:
2 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC K3500 equipped with
6.5L V8 Diesel OHV Turbo
 
1
 
Heater To Radiator
 
Universal 90 Degree
Cut to Fit
 
1999 GMC K3500 equipped with
6.5L V8 Diesel OHV Turbo
Heater To Radiator Universal 90 Degree
Cut to Fit

1 Per Vehicle
On Sale:

$20.10

Avail:
2 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC K3500 equipped with
7.4L V8 Gas OHV
 
1
 
Heater To Water Pump
 
Universal 90 Degree
 
1999 GMC K3500 equipped with
7.4L V8 Gas OHV
Heater To Water Pump Universal 90 Degree

1 Per Vehicle
1999 GMC K3500 equipped with
5.7L V8 Gas OHV
 
1
 
Heater To Engine
 
Universal 90 Degree
Cut to Fit
 
1999 GMC K3500 equipped with
5.7L V8 Gas OHV
Heater To Engine Universal 90 Degree
Cut to Fit

1 Per Vehicle
On Sale:

$14.98

Avail:
1 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC K3500 equipped with
6.5L V8 Diesel OHV Turbo
 
1
 
Heater To Pipe-1
 
Molded
 
1999 GMC K3500 equipped with
6.5L V8 Diesel OHV Turbo
Heater To Pipe-1 Molded

1 Per Vehicle
On Sale:

$12.80

Avail:
1 in Stock
Warehouse: US-1
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC K3500 equipped with
5.7L V8 Gas OHV
 
1
 
Auxiliary Heater Pipe-3 To Auxiliary Heater Pipe-4
 
Molded Heater Hose
Cut to fit
 
1999 GMC K3500 equipped with
5.7L V8 Gas OHV
Auxiliary Heater Pipe-3 To Auxiliary Heater Pipe-4 Molded Heater Hose
Cut to fit

1 Per Vehicle
1999 GMC K3500 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 K3500 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 K3500 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 K3500 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 K3500 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 K3500 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 K3500 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 K3500 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:

$16.12

Avail:
1 in Stock
Warehouse: US-1
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC K3500 equipped with
5.7L V8 Gas OHV
 
1
 
Auxiliary Heater Pipe-4 To Auxiliary Heater
 
Molded Heater Hose
 
1999 GMC K3500 equipped with
5.7L V8 Gas OHV
Auxiliary Heater Pipe-4 To Auxiliary Heater Molded Heater Hose

1 Per Vehicle
1999 GMC K3500 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 K3500 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 K3500 equipped with
6.5L V8 Diesel OHV Turbo
 
1
 
Auxiliary Heater Pipe-6 To Auxiliary Heater
 
Molded Heater Hose
W/Aux. Heater
 
1999 GMC K3500 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 K3500 equipped with
7.4L V8 Gas OHV
 
1
 
Auxiliary Heater Pipe-2 To Auxiliary Heater
 
Molded Heater Hose
W/Aux. Heater
 
1999 GMC K3500 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 K3500 equipped with
7.4L V8 Gas OHV
 
1
 
Auxiliary Heater Pipe-4 To Auxiliary Heater
 
Molded Heater Hose
W/Aux. Heater
 
1999 GMC K3500 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 K3500 equipped with
7.4L V8 Gas OHV
 
1
 
Engine Coolant Bypass Hose
Molded Heater Hose
Cut to fit
 
1999 GMC K3500 equipped with
7.4L V8 Gas OHV Engine Coolant Bypass Hose
Molded Heater Hose
Cut to fit

1 Per Vehicle
On Sale:

$10.88

Avail:
1 in Stock
Warehouse: US-1
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC K3500 equipped with
6.5L V8 Diesel OHV Turbo
 
1
 
Heater To Pipe-1
 
Molded Heater Hose
W/O Aux. Heater
 
1999 GMC K3500 equipped with
6.5L V8 Diesel OHV Turbo
Heater To Pipe-1 Molded Heater Hose
W/O Aux. Heater

1 Per Vehicle
On Sale:

$6.43

Avail:
5 in Stock
Warehouse: US-1
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC K3500 equipped with
5.7L V8 Gas 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 K3500 equipped with
5.7L V8 Gas 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:
15 in Stock
Warehouse: US-1
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC K3500 equipped with
5.7L V8 Gas 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 K3500 equipped with
5.7L V8 Gas 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 K3500 equipped with
5.7L V8 Gas OHV
 
1
 
Heater To Pipe-2
 
Straight Heater Hose (Standard)
W/O Aux. Heater
Cut to Length, 32
 
1999 GMC K3500 equipped with
5.7L V8 Gas OHV
Heater To Pipe-2 Straight Heater Hose (Standard)
W/O Aux. Heater
Cut to Length, 32

1 Per Vehicle
1999 GMC K3500 equipped with
5.7L V8 Gas OHV
 
1
 
Valve-1 To Heater
 
Straight Heater Hose (Standard)
W/O Aux. Heater
W/Ext. Heater Valve
Cut to Length, 7
 
1999 GMC K3500 equipped with
5.7L V8 Gas 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 K3500 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 K3500 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 K3500 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 K3500 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 K3500 equipped with
7.4L V8 Gas OHV,
5.7L V8 Gas OHV
 
1
 
Heater To Tee-2
 
Straight Heater Hose (Standard)
W/Aux. Heater
W/O Ext. Heater Valve
Cut to Length, 13
 
1999 GMC K3500 equipped with
7.4L V8 Gas OHV,
5.7L V8 Gas 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 K3500 equipped with
5.7L V8 Gas OHV
 
1
 
Tee-2 To Pipe-1
 
Straight Heater Hose (Standard)
W/Aux. Heater
Cut to Length, 18
 
1999 GMC K3500 equipped with
5.7L V8 Gas OHV
Tee-2 To Pipe-1 Straight Heater Hose (Standard)
W/Aux. Heater
Cut to Length, 18

1 Per Vehicle
1999 GMC K3500 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 K3500 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 K3500 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 K3500 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 K3500 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 K3500 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:
12 in Stock
Warehouse: US-1
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC K3500 equipped with
5.7L V8 Gas OHV
 
1
 
Heater To Valve-1
 
Straight Heater Hose (Standard)
W/O Aux. Heater
W/Ext. Heater Valve
Cut to Length, 7
 
1999 GMC K3500 equipped with
5.7L V8 Gas 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 K3500 equipped with
5.7L V8 Gas 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 K3500 equipped with
5.7L V8 Gas 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 K3500 equipped with
5.7L V8 Gas 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 K3500 equipped with
5.7L V8 Gas 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 K3500 equipped with
7.4L V8 Gas OHV,
5.7L V8 Gas OHV
 
1
 
Heater To Tee-1
 
Straight Heater Hose (Standard)
W/Aux. Heater
W/O Ext. Heater Valve
Cut to Length, 13
 
1999 GMC K3500 equipped with
7.4L V8 Gas OHV,
5.7L V8 Gas 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 K3500 equipped with
7.4L V8 Gas OHV,
5.7L V8 Gas OHV
 
1
 
Tee-1 To Auxiliary Heater Pipe-1
 
Straight Heater Hose (Standard)
Cut to Length, 18
 
1999 GMC K3500 equipped with
7.4L V8 Gas OHV,
5.7L V8 Gas OHV
Tee-1 To Auxiliary Heater Pipe-1 Straight Heater Hose (Standard)
Cut to Length, 18

1 Per Vehicle
1999 GMC K3500 equipped with
7.4L V8 Gas OHV,
5.7L V8 Gas OHV
 
1
 
Tee-2 To Auxiliary Heater Pipe-3
 
Straight Heater Hose (Standard)
Cut to Length, 18
 
1999 GMC K3500 equipped with
7.4L V8 Gas OHV,
5.7L V8 Gas OHV
Tee-2 To Auxiliary Heater Pipe-3 Straight Heater Hose (Standard)
Cut to Length, 18

1 Per Vehicle
1999 GMC K3500 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 K3500 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 K3500 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 K3500 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 K3500 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 K3500 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 K3500 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 K3500 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 K3500 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 K3500 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:

$11.88

Avail:
15 in Stock
Warehouse: US-1
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC K3500 equipped with
5.7L V8 Gas 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 K3500 equipped with
5.7L V8 Gas 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 K3500 equipped with
5.7L V8 Gas OHV
 
1
 
Pipe-2 To Engine
 
90 Degree Molded Heater Hose
W/O Aux. Heater
W/Ext. Heater Valve
Cut to fit
 
1999 GMC K3500 equipped with
5.7L V8 Gas 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 K3500 equipped with
5.7L V8 Gas 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 K3500 equipped with
5.7L V8 Gas 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 K3500 equipped with
5.7L V8 Gas OHV
 
1
 
Pipe-1 To Water Pump
 
90 Degree Molded Heater Hose
W/Aux. Heater
Cut to fit
 
1999 GMC K3500 equipped with
5.7L V8 Gas OHV
Pipe-1 To Water Pump 90 Degree Molded Heater Hose
W/Aux. Heater
Cut to fit

1 Per Vehicle
On Sale:

$10.75

Avail:
3 in Stock
Warehouse: US-1
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC K3500 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 K3500 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 K3500 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 K3500 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 K3500 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 K3500 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:

$14.05

Avail:
2 in Stock
Warehouse: US-1
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC K3500 equipped with
5.7L V8 Gas 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 K3500 equipped with
5.7L V8 Gas 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 K3500 equipped with
5.7L V8 Gas 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 K3500 equipped with
5.7L V8 Gas 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 K3500 equipped with
5.7L V8 Gas OHV
 
1
 
Tee-1 To Pipe-1
 
90 Degree Molded Heater Hose
W/Aux. Heater
Cut to fit
 
1999 GMC K3500 equipped with
5.7L V8 Gas OHV
Tee-1 To Pipe-1 90 Degree Molded Heater Hose
W/Aux. Heater
Cut to fit

1 Per Vehicle
On Sale:

$15.94

Avail:
9 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC K3500 equipped with
5.7L V8 Gas OHV
 
1
 
Auxiliary Heater Pipe-3 To Auxiliary Heater Pipe-4
 
Gold-Molded
Cut to fit
 
1999 GMC K3500 equipped with
5.7L V8 Gas OHV
Auxiliary Heater Pipe-3 To Auxiliary Heater Pipe-4 Gold-Molded
Cut to fit

1 Per Vehicle
1999 GMC K3500 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 K3500 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 K3500 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 K3500 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 K3500 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 K3500 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 K3500 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 K3500 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:

$25.62

Avail:
1 in Stock
Warehouse: US-12
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC K3500 equipped with
5.7L V8 Gas OHV
 
1
 
Auxiliary Heater Pipe-4 To Auxiliary Heater
 
Gold-Molded
 
1999 GMC K3500 equipped with
5.7L V8 Gas OHV
Auxiliary Heater Pipe-4 To Auxiliary Heater Gold-Molded

1 Per Vehicle
1999 GMC K3500 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 K3500 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 K3500 equipped with
6.5L V8 Diesel OHV Turbo
 
1
 
Auxiliary Heater Pipe-6 To Auxiliary Heater
 
Gold-Molded
W/Aux. Heater
 
1999 GMC K3500 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 K3500 equipped with
7.4L V8 Gas OHV
 
1
 
Auxiliary Heater Pipe-2 To Auxiliary Heater
 
Gold-Molded
W/Aux. Heater
 
1999 GMC K3500 equipped with
7.4L V8 Gas OHV
Auxiliary Heater Pipe-2 To Auxiliary Heater Gold-Molded
W/Aux. Heater

1 Per Vehicle
1999 GMC K3500 equipped with
7.4L V8 Gas OHV
 
1
 
Auxiliary Heater Pipe-4 To Auxiliary Heater
 
Gold-Molded
W/Aux. Heater
 
1999 GMC K3500 equipped with
7.4L V8 Gas OHV
Auxiliary Heater Pipe-4 To Auxiliary Heater Gold-Molded
W/Aux. Heater

1 Per Vehicle
On Sale:

$11.26

Avail:
9 in Stock
Warehouse: US-4
Qty:
EnginePer VehicleFit NotesFitment Notes
1999 GMC K3500 equipped with
7.4L V8 Gas OHV
 
1
 
Engine Coolant Bypass Hose
Gold-Molded
Cut to fit
 
1999 GMC K3500 equipped with
7.4L V8 Gas OHV Engine Coolant Bypass Hose
Gold-Molded
Cut to fit

1 Per Vehicle
On Sale:

$18.37

Avail:
1 in Stock
Warehouse: US-12
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC K3500 equipped with
6.5L V8 Diesel OHV Turbo
 
1
 
Heater To Pipe-1
 
Gold-Molded
W/O Aux. Heater
 
1999 GMC K3500 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:
35 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC K3500 equipped with
5.7L V8 Gas 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 K3500 equipped with
5.7L V8 Gas 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:

$11.39

Avail:
66 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC K3500 equipped with
5.7L V8 Gas 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 K3500 equipped with
5.7L V8 Gas 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 K3500 equipped with
5.7L V8 Gas OHV
 
1
 
Pipe-2 To Engine
 
Gold-90 Degree Molded
W/O Aux. Heater
W/Ext. Heater Valve
Cut to fit
 
1999 GMC K3500 equipped with
5.7L V8 Gas 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 K3500 equipped with
5.7L V8 Gas OHV
 
1
 
Pipe-2 To Engine
 
Gold-90 Degree Molded
W/O Ext. Heater Valve
W/O Aux. Heater
Cut to fit
 
1999 GMC K3500 equipped with
5.7L V8 Gas 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 K3500 equipped with
5.7L V8 Gas OHV
 
1
 
Pipe-1 To Water Pump
 
Gold-90 Degree Molded
W/Aux. Heater
Cut to fit
 
1999 GMC K3500 equipped with
5.7L V8 Gas 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 K3500 equipped with
7.4L V8 Gas OHV
 
1
 
Heater Inlet
 
ENG TO HTR MDL
Eng: L29
8th VIN Digit: J
 
1999 GMC K3500 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:
58 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1999 GMC K3500 equipped with
5.7L V8 Gas OHV
 
1
 
Heater Inlet
 
ENG TO HTR MDL
Eng: L31
8th VIN Digit: R
Cab & Chassis
2 Doors
 
1999 GMC K3500 equipped with
5.7L V8 Gas OHV
Heater Inlet ENG TO HTR MDL
Eng: L31
8th VIN Digit: R
Cab & Chassis
2 Doors

1 Per Vehicle
1999 GMC K3500 equipped with
5.7L V8 Gas OHV
 
1
 
Heater Inlet
 
ENG TO HTR MDL
Eng: L31
8th VIN Digit: R
Cab & Chassis
4 Doors
 
1999 GMC K3500 equipped with
5.7L V8 Gas OHV
Heater Inlet ENG TO HTR MDL
Eng: L31
8th VIN Digit: R
Cab & Chassis
4 Doors

1 Per Vehicle
1999 GMC K3500 equipped with
5.7L V8 Gas OHV
 
1
 
Heater Inlet
 
ENG TO HTR MDL
Eng: L31
8th VIN Digit: R
Crew Cab Pickup
4 Doors
 
1999 GMC K3500 equipped with
5.7L V8 Gas OHV
Heater Inlet ENG TO HTR MDL
Eng: L31
8th VIN Digit: R
Crew Cab Pickup
4 Doors

1 Per Vehicle
1999 GMC K3500 equipped with
5.7L V8 Gas OHV
 
1
 
Heater Inlet
 
ENG TO HTR MDL
Eng: L31
8th VIN Digit: R
Extended Cab Pickup
2 Doors
 
1999 GMC K3500 equipped with
5.7L V8 Gas OHV
Heater Inlet ENG TO HTR MDL
Eng: L31
8th VIN Digit: R
Extended Cab Pickup
2 Doors

1 Per Vehicle
1999 GMC K3500 equipped with
5.7L V8 Gas OHV
 
1
 
Heater Inlet
 
ENG TO HTR MDL
Eng: L31
8th VIN Digit: R
Standard Cab Pickup
2 Doors
 
1999 GMC K3500 equipped with
5.7L V8 Gas OHV
Heater Inlet ENG TO HTR MDL
Eng: L31
8th VIN Digit: R
Standard Cab Pickup
2 Doors

1 Per Vehicle
Displaying 1 to 25 (of 45 products)