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1989 Peterbilt 378

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Displaying 51 to 75 (of 118 products)
On Sale:

$22.87

Avail:
2 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
14.0L L6 Diesel Turbo
 
1
 
Air Conditioning
 
Truck & Bus V-Belt
W/7/8 Belt T.W.
W/42 7/8 Belt O.C.
 
1989 Peterbilt 378 equipped with
14.0L L6 Diesel Turbo
Air Conditioning Truck & Bus V-Belt
W/7/8 Belt T.W.
W/42 7/8 Belt O.C.

1 Per Vehicle
On Sale:

$17.99

Avail:
5 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
 
2
 
Alternator
 
V-Belt
w/ 46 belt
Eng Mfr: Detroit Diesel
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
Alternator V-Belt
w/ 46 belt
Eng Mfr: Detroit Diesel

2 Per Vehicle
1989 Peterbilt 378 equipped with
14.0L L6 Diesel Turbo
 
2
 
Air Conditioning
 
V-Belt
1/2 Top Width, 46 Long
Matched Set of 2 Belts
Eng Mfr: Cummins
 
1989 Peterbilt 378 equipped with
14.0L L6 Diesel Turbo
Air Conditioning V-Belt
1/2 Top Width, 46 Long
Matched Set of 2 Belts
Eng Mfr: Cummins

2 Per Vehicle
1989 Peterbilt 378 equipped with
14.0L L6 Diesel Turbo
 
2
 
Alternator
 
V-Belt
Matched Set of 2 Belts
Eng Mfr: Cummins
 
1989 Peterbilt 378 equipped with
14.0L L6 Diesel Turbo
Alternator V-Belt
Matched Set of 2 Belts
Eng Mfr: Cummins

2 Per Vehicle
On Sale:

$19.87

Avail:
3 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
 
2
 
Alternator
 
V-Belt
w/ 47 1/2 belt
Eng Mfr: Detroit Diesel
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
Alternator V-Belt
w/ 47 1/2 belt
Eng Mfr: Detroit Diesel

2 Per Vehicle
On Sale:

$18.10

Avail:
6 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10.0L L6 Diesel Turbo
 
1
 
Air Conditioning
 
V-Belt
w/ 48 Belt
 
1989 Peterbilt 378 equipped with
10.0L L6 Diesel Turbo
Air Conditioning V-Belt
w/ 48 Belt

1 Per Vehicle
On Sale:

$21.47

Avail:
23 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
 
1
 
Air Conditioning
 
V-Belt
w/ 53 belt
Eng Mfr: Detroit Diesel
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
Air Conditioning V-Belt
w/ 53 belt
Eng Mfr: Detroit Diesel

1 Per Vehicle
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
 
1
 
Fan
 
V-Belt
w/ 53 belt
Eng Mfr: Detroit Diesel
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
Fan V-Belt
w/ 53 belt
Eng Mfr: Detroit Diesel

1 Per Vehicle
On Sale:

$17.15

Avail:
3 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
 
1
 
Fan
 
V-Belt
w/ 56 Belt
Eng Mfr: Detroit Diesel
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
Fan V-Belt
w/ 56 Belt
Eng Mfr: Detroit Diesel

1 Per Vehicle
On Sale:

$24.78

Avail:
13 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
 
1
 
Fan
 
V-Belt
w/ 57 Belt
Eng Mfr: Detroit Diesel
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
Fan V-Belt
w/ 57 Belt
Eng Mfr: Detroit Diesel

1 Per Vehicle
1989 Peterbilt 378 equipped with
14.6L L6 Diesel Turbo
 
1
 
Alternator and Air Conditioning
 
V-Belt
Eng: 3406
Eng Mfr: Caterpillar
 
1989 Peterbilt 378 equipped with
14.6L L6 Diesel Turbo
Alternator and Air Conditioning V-Belt
Eng: 3406
Eng Mfr: Caterpillar

1 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
 
2
 
Alternator
 
Professional-Standard
W/48 Belt O.C.
Optional Belt
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
Alternator Professional-Standard
W/48 Belt O.C.
Optional Belt

2 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
14.6L L6 Diesel Turbo
 
2
 
Alternator
 
Professional-Standard
PowerBand belt may work, use template to check
 
1989 Peterbilt 378 equipped with
14.6L L6 Diesel Turbo
Alternator Professional-Standard
PowerBand belt may work, use template to check

2 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
 
1
 
Fan
 
Professional-Standard
W/59 Belt O.C.
 
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
Fan Professional-Standard
W/59 Belt O.C.

1 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
 
2
 
Fan
 
Professional-Standard
W/64 3/8 Belt O.C.
Optional Belt
 
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
Fan Professional-Standard
W/64 3/8 Belt O.C.
Optional Belt

2 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
 
2
 
Fan
 
Professional-Standard
W/66 3/8 Belt O.C.
Optional Belt
 
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
Fan Professional-Standard
W/66 3/8 Belt O.C.
Optional Belt

2 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
 
1
 
Alternator
 
Professional
W/43 7/8 Belt O.C.
Preferred Belt
 
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
Alternator Professional
W/43 7/8 Belt O.C.
Preferred Belt

1 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
 
1
 
Alternator and Air Conditioning
 
Professional
W/59 3/8 Belt O.C.
Preferred Belt
 
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
Alternator and Air Conditioning Professional
W/59 3/8 Belt O.C.
Preferred Belt

1 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
 
2
 
Alternator
 
Specialty-Heavy Duty
W/46 3/8 Belt O.C.
Optional Belt
Available Until Stock Depleted
 
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
Alternator Specialty-Heavy Duty
W/46 3/8 Belt O.C.
Optional Belt
Available Until Stock Depleted

2 Per Vehicle
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
 
2
 
Alternator and Air Conditioning
 
Specialty-Heavy Duty
W/46 1/2 Belt O.C.
Optional Belt
Available Until Stock Depleted
 
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
Alternator and Air Conditioning Specialty-Heavy Duty
W/46 1/2 Belt O.C.
Optional Belt
Available Until Stock Depleted

2 Per Vehicle
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
 
2
 
Alternator
 
Specialty-Heavy Duty
W/47 Belt O.C.
Optional Belt
Available Until Stock Depleted
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
Alternator Specialty-Heavy Duty
W/47 Belt O.C.
Optional Belt
Available Until Stock Depleted

2 Per Vehicle
1989 Peterbilt 378 equipped with
10.3L 6 Diesel
 
1
 
Air Conditioning
 
Specialty-Heavy Duty
W/V-Belt Drive
Available Until Stock Depleted
 
1989 Peterbilt 378 equipped with
10.3L 6 Diesel
Air Conditioning Specialty-Heavy Duty
W/V-Belt Drive
Available Until Stock Depleted

1 Per Vehicle
1989 Peterbilt 378 equipped with
14.0L L6 Diesel Turbo
 
2
 
Air Conditioning
 
Specialty-Heavy Duty
W/46 7/8 Belt O.C.
PowerBand belt may work, use template to check
Available Until Stock Depleted
 
1989 Peterbilt 378 equipped with
14.0L L6 Diesel Turbo
Air Conditioning Specialty-Heavy Duty
W/46 7/8 Belt O.C.
PowerBand belt may work, use template to check
Available Until Stock Depleted

2 Per Vehicle
1989 Peterbilt 378 equipped with
14.0L L6 Diesel Turbo
 
2
 
Alternator
 
Specialty-Heavy Duty
PowerBand belt may work, use template to check
Available Until Stock Depleted
 
1989 Peterbilt 378 equipped with
14.0L L6 Diesel Turbo
Alternator Specialty-Heavy Duty
PowerBand belt may work, use template to check
Available Until Stock Depleted

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
 
2
 
Alternator
 
Specialty-Heavy Duty
W/48 Belt O.C.
Optional Belt
Available Until Stock Depleted
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
Alternator Specialty-Heavy Duty
W/48 Belt O.C.
Optional Belt
Available Until Stock Depleted

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
 
Air Conditioning
 
Specialty-Heavy Duty
W/48 3/8 Belt O.C.
Available Until Stock Depleted
 
1989 Peterbilt 378 equipped with
10.0L L6 Diesel Turbo
Air Conditioning Specialty-Heavy Duty
W/48 3/8 Belt O.C.
Available Until Stock Depleted

1 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
 
1
 
Alternator and Air Conditioning
 
Specialty-Heavy Duty
W/50 Belt O.C.
Available Until Stock Depleted
 
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
Alternator and Air Conditioning Specialty-Heavy Duty
W/50 Belt O.C.
Available Until Stock Depleted

1 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
 
2
 
Alternator and Air Conditioning
 
Specialty-Heavy Duty
W/59 3/8 Belt O.C.
Optional Belt
Available Until Stock Depleted
 
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
Alternator and Air Conditioning Specialty-Heavy Duty
W/59 3/8 Belt O.C.
Optional Belt
Available Until Stock Depleted

2 Per Vehicle
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
 
1
 
Air Conditioning
 
Specialty-Heavy Duty
W/59 1/2 Belt O.C.
Available Until Stock Depleted
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
Air Conditioning Specialty-Heavy Duty
W/59 1/2 Belt O.C.
Available Until Stock Depleted

1 Per Vehicle
1989 Peterbilt 378 equipped with
14.6L L6 Diesel Turbo
 
2
 
Alternator and Air Conditioning
 
Specialty-Heavy Duty
W/59 1/2 Belt O.C.
PowerBand belt may work, use template to check
Available Until Stock Depleted
 
1989 Peterbilt 378 equipped with
14.6L L6 Diesel Turbo
Alternator and Air Conditioning Specialty-Heavy Duty
W/59 1/2 Belt O.C.
PowerBand belt may work, use template to check
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
 
2
 
Fan
 
Specialty-Heavy Duty
W/64 3/8 Belt O.C.
Optional Belt
Available Until Stock Depleted
 
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
Fan Specialty-Heavy Duty
W/64 3/8 Belt O.C.
Optional Belt
Available Until Stock Depleted

2 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
14.6L L6 Diesel Turbo
 
2
 
Fan
 
Professional
W/52 1/2 Belt O.C.
PowerBand belt may work, use template to check
Optional Belt
Available Until Stock Depleted
 
1989 Peterbilt 378 equipped with
14.6L L6 Diesel Turbo
Fan Professional
W/52 1/2 Belt O.C.
PowerBand belt may work, use template to check
Optional Belt
Available Until Stock Depleted

2 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
14.6L L6 Diesel Turbo
 
2
 
Fan
 
Professional
W/54 1/2 Belt O.C.
Available Until Stock Depleted
 
1989 Peterbilt 378 equipped with
14.6L L6 Diesel Turbo
Fan Professional
W/54 1/2 Belt O.C.
Available Until Stock Depleted

2 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
14.6L L6 Diesel Turbo
 
2
 
Fan
 
Professional
W/55 1/2 Belt O.C.
Available Until Stock Depleted
 
1989 Peterbilt 378 equipped with
14.6L L6 Diesel Turbo
Fan Professional
W/55 1/2 Belt O.C.
Available Until Stock Depleted

2 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
14.0L L6 Diesel Turbo
 
1
 
Air Conditioning
 
Professional
W/42 7/8 Belt O.C.
W/7/8 Belt T.W.
Available Until Stock Depleted
 
1989 Peterbilt 378 equipped with
14.0L L6 Diesel Turbo
Air Conditioning Professional
W/42 7/8 Belt O.C.
W/7/8 Belt T.W.
Available Until Stock Depleted

1 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
14.0L L6 Diesel Turbo
 
2
 
Fan
 
Professional
W/46 Belt O.C.
Available Until Stock Depleted
 
1989 Peterbilt 378 equipped with
14.0L L6 Diesel Turbo
Fan Professional
W/46 Belt O.C.
Available Until Stock Depleted

2 Per Vehicle
Displaying 51 to 75 (of 118 products)