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1989 Peterbilt 378

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Displaying 1 to 14 (of 14 products)
On Sale:

$49.43

Avail:
9 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10L L6 Diesel Turbo
 
1
 
Upper - Pipe To Radiator
 
Straight Radiator Hose
 
1989 Peterbilt 378 equipped with
10L L6 Diesel Turbo
Upper - Pipe To Radiator Straight Radiator Hose

1 Per Vehicle
On Sale:

$48.72

Avail:
5 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10L L6 Diesel Turbo
 
1
 
Upper - Pipe To Engine
 
Straight Radiator Hose
 
1989 Peterbilt 378 equipped with
10L L6 Diesel Turbo
Upper - Pipe To Engine Straight Radiator Hose

1 Per Vehicle
On Sale:

$42.18

Avail:
2 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10L L6 Diesel Turbo
 
1
 
Lower - Engine To Pipe
 
Straight Radiator Hose
H.D.
 
1989 Peterbilt 378 equipped with
10L L6 Diesel Turbo
Lower - Engine To Pipe Straight Radiator Hose
H.D.

1 Per Vehicle
1989 Peterbilt 378 equipped with
10L L6 Diesel Turbo
 
1
 
Lower - Pipe To Radiator
 
Straight Radiator Hose
H.D.
 
1989 Peterbilt 378 equipped with
10L L6 Diesel Turbo
Lower - Pipe To Radiator Straight Radiator Hose
H.D.

1 Per Vehicle
On Sale:

$61.87

Avail:
1 in Stock
Warehouse: US-1
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10.3L 6 Diesel
 
1
 
Lower - Engine To Pipe
 
Straight Coolant Hose (Heavy-Duty 2-Ply)
 
1989 Peterbilt 378 equipped with
10.3L 6 Diesel
Lower - Engine To Pipe Straight Coolant Hose (Heavy-Duty 2-Ply)

1 Per Vehicle
1989 Peterbilt 378 equipped with
14L L6 Diesel Turbo
 
2
 
Upper
 
Straight Coolant Hose (Heavy-Duty 2-Ply)
 
1989 Peterbilt 378 equipped with
14L L6 Diesel Turbo
Upper Straight Coolant Hose (Heavy-Duty 2-Ply)

2 Per Vehicle
On Sale:

$68.50

Avail:
1 in Stock
Warehouse: US-1
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
 
1
 
Lower - Engine To Pipe
 
Straight Coolant Hose (Heavy-Duty 2-Ply)
 
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
Lower - Engine To Pipe Straight Coolant Hose (Heavy-Duty 2-Ply)

1 Per Vehicle
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled,
10.5L 6 Diesel
 
1
 
Upper
 
Straight Coolant Hose (Heavy-Duty 2-Ply)
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled,
10.5L 6 Diesel
Upper Straight Coolant Hose (Heavy-Duty 2-Ply)

1 Per Vehicle
1989 Peterbilt 378 equipped with
10.3L 6 Diesel
 
1
 
Upper - Pipe To Radiator
 
Straight Coolant Hose (Heavy-Duty 2-Ply)
 
1989 Peterbilt 378 equipped with
10.3L 6 Diesel
Upper - Pipe To Radiator Straight Coolant Hose (Heavy-Duty 2-Ply)

1 Per Vehicle
1989 Peterbilt 378 equipped with
14.6L L6 Diesel Turbo
 
2
 
Upper
 
Straight Coolant Hose (Heavy-Duty 2-Ply)
 
1989 Peterbilt 378 equipped with
14.6L L6 Diesel Turbo
Upper Straight Coolant Hose (Heavy-Duty 2-Ply)

2 Per Vehicle
1989 Peterbilt 378 equipped with
14L L6 Diesel Turbo
 
2
 
Lower
 
Straight Coolant Hose (Heavy-Duty 2-Ply)
 
1989 Peterbilt 378 equipped with
14L L6 Diesel Turbo
Lower Straight Coolant Hose (Heavy-Duty 2-Ply)

2 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10.3L 6 Diesel
 
1
 
Upper - Engine To Pipe
 
Gold-Straight
Available Until Stock Depleted
 
1989 Peterbilt 378 equipped with
10.3L 6 Diesel
Upper - Engine To Pipe Gold-Straight
Available Until Stock Depleted

1 Per Vehicle
On Sale:

$62.95

Avail:
1 in Stock
Warehouse: US-12
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10.3L 6 Diesel
 
1
 
Lower - Engine To Pipe
 
Professional-Straight
 
1989 Peterbilt 378 equipped with
10.3L 6 Diesel
Lower - Engine To Pipe Professional-Straight

1 Per Vehicle
1989 Peterbilt 378 equipped with
14.0L L6 Diesel Turbo
 
2
 
Upper
 
Professional-Straight
 
1989 Peterbilt 378 equipped with
14.0L L6 Diesel Turbo
Upper Professional-Straight

2 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
 
1
 
Lower - Engine To Pipe
 
Gold-Straight
Available Until Stock Depleted
 
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
Lower - Engine To Pipe Gold-Straight
Available Until Stock Depleted

1 Per Vehicle
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled,
10.5L 6 Diesel
 
1
 
Upper
 
Gold-Straight
Available Until Stock Depleted
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled,
10.5L 6 Diesel
Upper Gold-Straight
Available Until Stock Depleted

1 Per Vehicle
1989 Peterbilt 378 equipped with
10.3L 6 Diesel
 
1
 
Upper - Pipe To Radiator
 
Gold-Straight
Available Until Stock Depleted
 
1989 Peterbilt 378 equipped with
10.3L 6 Diesel
Upper - Pipe To Radiator Gold-Straight
Available Until Stock Depleted

1 Per Vehicle
1989 Peterbilt 378 equipped with
14.0L L6 Diesel Turbo
 
2
 
Lower
 
Gold-Straight
Available Until Stock Depleted
 
1989 Peterbilt 378 equipped with
14.0L L6 Diesel Turbo
Lower Gold-Straight
Available Until Stock Depleted

2 Per Vehicle
1989 Peterbilt 378 equipped with
14.6L L6 Diesel Turbo
 
2
 
Upper
 
Gold-Straight
Available Until Stock Depleted
 
1989 Peterbilt 378 equipped with
14.6L L6 Diesel Turbo
Upper Gold-Straight
Available Until Stock Depleted

2 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10.5L 6 Diesel,
10.3L 6 Diesel
 
1
 
Lower - Pipe To Pipe
 
Gold-Straight
 
1989 Peterbilt 378 equipped with
10.5L 6 Diesel,
10.3L 6 Diesel
Lower - Pipe To Pipe Gold-Straight

1 Per Vehicle
1989 Peterbilt 378 equipped with
10.5L 6 Diesel,
10.3L 6 Diesel
 
1
 
Lower - Pipe To Radiator
 
Gold-Straight
 
1989 Peterbilt 378 equipped with
10.5L 6 Diesel,
10.3L 6 Diesel
Lower - Pipe To Radiator Gold-Straight

1 Per Vehicle
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
 
1
 
Lower
 
Gold-Straight
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
Lower Gold-Straight

1 Per Vehicle
1989 Peterbilt 378 equipped with
14.6L L6 Diesel Turbo
 
2
 
Lower
 
Gold-Straight
 
1989 Peterbilt 378 equipped with
14.6L L6 Diesel Turbo
Lower Gold-Straight

2 Per Vehicle
On Sale:

$55.45

Avail:
3 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10.3L 6 Diesel
 
1
 
Upper - Engine To Pipe
 
Straight Coolant Hose (Heavy-Duty 2-Ply)
 
1989 Peterbilt 378 equipped with
10.3L 6 Diesel
Upper - Engine To Pipe Straight Coolant Hose (Heavy-Duty 2-Ply)

1 Per Vehicle
On Sale:

$81.64

Avail:
6 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10.5L 6 Diesel,
10.3L 6 Diesel
 
1
 
Lower - Pipe To Pipe
 
Straight Coolant Hose (Heavy-Duty 2-Ply)
 
1989 Peterbilt 378 equipped with
10.5L 6 Diesel,
10.3L 6 Diesel
Lower - Pipe To Pipe Straight Coolant Hose (Heavy-Duty 2-Ply)

1 Per Vehicle
1989 Peterbilt 378 equipped with
10.5L 6 Diesel,
10.3L 6 Diesel
 
1
 
Lower - Pipe To Radiator
 
Straight Coolant Hose (Heavy-Duty 2-Ply)
 
1989 Peterbilt 378 equipped with
10.5L 6 Diesel,
10.3L 6 Diesel
Lower - Pipe To Radiator Straight Coolant Hose (Heavy-Duty 2-Ply)

1 Per Vehicle
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
 
1
 
Lower
 
Straight Coolant Hose (Heavy-Duty 2-Ply)
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
Lower Straight Coolant Hose (Heavy-Duty 2-Ply)

1 Per Vehicle
1989 Peterbilt 378 equipped with
14.6L L6 Diesel Turbo
 
2
 
Lower
 
Straight Coolant Hose (Heavy-Duty 2-Ply)
 
1989 Peterbilt 378 equipped with
14.6L L6 Diesel Turbo
Lower Straight Coolant Hose (Heavy-Duty 2-Ply)

2 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10.0L L6 Diesel Turbo
 
1
 
Upper - Pipe To Engine
 
Standard Straight
Cut to Fit
 
1989 Peterbilt 378 equipped with
10.0L L6 Diesel Turbo
Upper - Pipe To Engine Standard Straight
Cut to Fit

1 Per Vehicle
1989 Peterbilt 378 equipped with
14.0L L6 Diesel Turbo
 
1
 
Upper
 
Standard Straight
Cut to Fit
Eng Mfr: Cummins
 
1989 Peterbilt 378 equipped with
14.0L L6 Diesel Turbo
Upper Standard Straight
Cut to Fit
Eng Mfr: Cummins

1 Per Vehicle
1989 Peterbilt 378 equipped with
14.0L L6 Diesel Turbo
 
2
 
Upper
 
Standard Straight
2 Required
Cut to Fit
Eng Mfr: Cummins
 
1989 Peterbilt 378 equipped with
14.0L L6 Diesel Turbo
Upper Standard Straight
2 Required
Cut to Fit
Eng Mfr: Cummins

2 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
 
1
 
Upper
 
Standard Straight
Cut to Fit
Eng Mfr: Detroit Diesel
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
Upper Standard Straight
Cut to Fit
Eng Mfr: Detroit Diesel

1 Per Vehicle
1989 Peterbilt 378 equipped with
14.0L L6 Diesel Turbo
 
2
 
Lower
 
Standard Straight
2 Required
Cut to Fit
Eng Mfr: Cummins
 
1989 Peterbilt 378 equipped with
14.0L L6 Diesel Turbo
Lower Standard Straight
2 Required
Cut to Fit
Eng Mfr: Cummins

2 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10.0L L6 Diesel Turbo
 
1
 
Lower - Engine To Pipe
 
Standard Straight
w/Low Flow Cool
Cut to Fit
 
1989 Peterbilt 378 equipped with
10.0L L6 Diesel Turbo
Lower - Engine To Pipe Standard Straight
w/Low Flow Cool
Cut to Fit

1 Per Vehicle
1989 Peterbilt 378 equipped with
10.0L L6 Diesel Turbo
 
1
 
Lower - Pipe To Radiator
 
Standard Straight
w/Low Flow Cool
Cut to Fit
 
1989 Peterbilt 378 equipped with
10.0L L6 Diesel Turbo
Lower - Pipe To Radiator Standard Straight
w/Low Flow Cool
Cut to Fit

1 Per Vehicle
1989 Peterbilt 378 equipped with
14.0L L6 Diesel Turbo
 
1
 
Lower
 
Standard Straight
w/Low Flow Cooling
Cut to Fit
Eng Mfr: Cummins
 
1989 Peterbilt 378 equipped with
14.0L L6 Diesel Turbo
Lower Standard Straight
w/Low Flow Cooling
Cut to Fit
Eng Mfr: Cummins

1 Per Vehicle
1989 Peterbilt 378 equipped with
14.0L L6 Diesel Turbo
 
1
 
Lower
 
Standard Straight
w/Low Flow Cool
Cut to Fit
Eng Mfr: Cummins
 
1989 Peterbilt 378 equipped with
14.0L L6 Diesel Turbo
Lower Standard Straight
w/Low Flow Cool
Cut to Fit
Eng Mfr: Cummins

1 Per Vehicle
Displaying 1 to 14 (of 14 products)