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1989 Peterbilt 378

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Displaying 101 to 125 (of 155 products)
On Sale:

$25.02

Avail:
8 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10L L6 Diesel Turbo
 
1
 
Air Conditioning
 
High Capacity V-Belt (Heavy-Duty)
W/48 3/8 Belt O.C.
 
1989 Peterbilt 378 equipped with
10L L6 Diesel Turbo
Air Conditioning High Capacity V-Belt (Heavy-Duty)
W/48 3/8 Belt O.C.

1 Per Vehicle
On Sale:

$20.95

Avail:
6 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
14.6L L6 Diesel Turbo
 
2
 
Alternator
 
High Capacity V-Belt (Heavy-Duty)
PowerBand belt may work, use template to check
 
1989 Peterbilt 378 equipped with
14.6L L6 Diesel Turbo
Alternator High Capacity V-Belt (Heavy-Duty)
PowerBand belt may work, use template to check

2 Per Vehicle
On Sale:

$28.19

Avail:
3 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10L L6 Diesel Turbo
 
1
 
Air Conditioning
 
High Capacity V-Belt (Heavy-Duty)
W/52 3/8 Belt O.C.
 
1989 Peterbilt 378 equipped with
10L L6 Diesel Turbo
Air Conditioning High Capacity V-Belt (Heavy-Duty)
W/52 3/8 Belt O.C.

1 Per Vehicle
On Sale:

$29.65

Avail:
18 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
 
1
 
Air Conditioning
 
High Capacity V-Belt (Heavy-Duty)
W/53 1/2 Belt O.C.
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
Air Conditioning High Capacity V-Belt (Heavy-Duty)
W/53 1/2 Belt O.C.

1 Per Vehicle
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
 
1
 
Fan
 
High Capacity V-Belt (Heavy-Duty)
W/53 1/2 Belt O.C.
Optional Belt
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
Fan High Capacity V-Belt (Heavy-Duty)
W/53 1/2 Belt O.C.
Optional Belt

1 Per Vehicle
On Sale:

$27.54

Avail:
5 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
 
2
 
Alternator and Air Conditioning
 
High Capacity V-Belt (Heavy-Duty)
W/54 1/2 Belt O.C.
Optional Belt
 
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
Alternator and Air Conditioning High Capacity V-Belt (Heavy-Duty)
W/54 1/2 Belt O.C.
Optional Belt

2 Per Vehicle
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
 
1
 
Air Conditioning
 
High Capacity V-Belt (Heavy-Duty)
W/54 1/2 Belt O.C.
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
Air Conditioning High Capacity V-Belt (Heavy-Duty)
W/54 1/2 Belt O.C.

1 Per Vehicle
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
 
1
 
Fan
 
High Capacity V-Belt (Heavy-Duty)
W/54 1/2 Belt O.C.
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
Fan High Capacity V-Belt (Heavy-Duty)
W/54 1/2 Belt O.C.

1 Per Vehicle
On Sale:

$25.27

Avail:
7 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
 
1
 
Air Conditioning
 
High Capacity V-Belt (Heavy-Duty)
W/55 1/2 Belt O.C.
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
Air Conditioning High Capacity V-Belt (Heavy-Duty)
W/55 1/2 Belt O.C.

1 Per Vehicle
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
 
1
 
Fan
 
High Capacity V-Belt (Heavy-Duty)
W/55 1/2 Belt O.C.
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
Fan High Capacity V-Belt (Heavy-Duty)
W/55 1/2 Belt O.C.

1 Per Vehicle
On Sale:

$21.44

Avail:
5 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
 
2
 
Alternator and Air Conditioning
 
High Capacity V-Belt (Heavy-Duty)
W/56 1/2 Belt O.C.
Optional Belt
 
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
Alternator and Air Conditioning High Capacity V-Belt (Heavy-Duty)
W/56 1/2 Belt O.C.
Optional Belt

2 Per Vehicle
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
 
1
 
Fan
 
High Capacity V-Belt (Heavy-Duty)
W/56 1/2 Belt O.C.
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
Fan High Capacity V-Belt (Heavy-Duty)
W/56 1/2 Belt O.C.

1 Per Vehicle
On Sale:

$34.41

Avail:
12 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
 
2
 
Fan
 
High Capacity V-Belt (Heavy-Duty)
W/57 3/8 Belt O.C.
Optional Belt
 
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
Fan High Capacity V-Belt (Heavy-Duty)
W/57 3/8 Belt O.C.
Optional Belt

2 Per Vehicle
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
 
1
 
Fan
 
High Capacity V-Belt (Heavy-Duty)
W/57 1/2 Belt O.C.
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
Fan High Capacity V-Belt (Heavy-Duty)
W/57 1/2 Belt O.C.

1 Per Vehicle
1989 Peterbilt 378 equipped with
14.6L L6 Diesel Turbo
 
2
 
Alternator and Air Conditioning
 
High Capacity V-Belt (Heavy-Duty)
W/57 1/2 Belt O.C.
PowerBand belt may work, use template to check
 
1989 Peterbilt 378 equipped with
14.6L L6 Diesel Turbo
Alternator and Air Conditioning High Capacity V-Belt (Heavy-Duty)
W/57 1/2 Belt O.C.
PowerBand belt may work, use template to check

2 Per Vehicle
On Sale:

$26.30

Avail:
21 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
 
1
 
Fan
 
High Capacity V-Belt (Heavy-Duty)
W/58 3/8 Belt O.C.
 
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
Fan High Capacity V-Belt (Heavy-Duty)
W/58 3/8 Belt O.C.

1 Per Vehicle
On Sale:

$26.99

Avail:
5 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
 
1
 
Fan
 
High Capacity V-Belt (Heavy-Duty)
W/59 Belt O.C.
 
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
Fan High Capacity V-Belt (Heavy-Duty)
W/59 Belt O.C.

1 Per Vehicle
On Sale:

$19.94

Avail:
16 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
 
2
 
Alternator and Air Conditioning
 
High Capacity V-Belt (Heavy-Duty)
W/59 3/8 Belt O.C.
Optional Belt
 
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
Alternator and Air Conditioning High Capacity V-Belt (Heavy-Duty)
W/59 3/8 Belt O.C.
Optional Belt

2 Per Vehicle
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
 
1
 
Air Conditioning
 
High Capacity V-Belt (Heavy-Duty)
W/59 1/2 Belt O.C.
 
1989 Peterbilt 378 equipped with
12.7L L6 Diesel Turbo/Aftercooled
Air Conditioning High Capacity V-Belt (Heavy-Duty)
W/59 1/2 Belt O.C.

1 Per Vehicle
1989 Peterbilt 378 equipped with
14.6L L6 Diesel Turbo
 
2
 
Alternator and Air Conditioning
 
High Capacity V-Belt (Heavy-Duty)
W/59 1/2 Belt O.C.
PowerBand belt may work, use template to check
 
1989 Peterbilt 378 equipped with
14.6L L6 Diesel Turbo
Alternator and Air Conditioning High Capacity V-Belt (Heavy-Duty)
W/59 1/2 Belt O.C.
PowerBand belt may work, use template to check

2 Per Vehicle
On Sale:

$27.14

Avail:
5 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
 
2
 
Fan
 
High Capacity V-Belt (Heavy-Duty)
W/66 3/8 Belt O.C.
Optional Belt
 
1989 Peterbilt 378 equipped with
10.5L 6 Diesel
Fan High Capacity V-Belt (Heavy-Duty)
W/66 3/8 Belt O.C.
Optional Belt

2 Per Vehicle
On Sale:

$22.41

Avail:
5 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
14.6L L6 Diesel Turbo
 
2
 
Fan
 
Truck & Bus V-Belt
Optional Belt
W/52 1/2 Belt O.C.
PowerBand belt may work, use template to check
 
1989 Peterbilt 378 equipped with
14.6L L6 Diesel Turbo
Fan Truck & Bus V-Belt
Optional Belt
W/52 1/2 Belt O.C.
PowerBand belt may work, use template to check

2 Per Vehicle
On Sale:

$25.50

Avail:
15 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
14L 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
14L 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:

$25.26

Avail:
2 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
14L L6 Diesel Turbo
 
2
 
Fan
 
Truck & Bus V-Belt
W/46 Belt O.C.
 
1989 Peterbilt 378 equipped with
14L L6 Diesel Turbo
Fan Truck & Bus V-Belt
W/46 Belt O.C.

2 Per Vehicle
On Sale:

$27.24

Avail:
1 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
14L L6 Diesel Turbo
 
2
 
Fan
 
Truck & Bus V-Belt
W/48 5/8 Belt O.C.
Optional Belt
 
1989 Peterbilt 378 equipped with
14L L6 Diesel Turbo
Fan Truck & Bus V-Belt
W/48 5/8 Belt O.C.
Optional Belt

2 Per Vehicle
On Sale:

$28.51

Avail:
4 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
14L L6 Diesel Turbo
 
2
 
Fan
 
Truck & Bus V-Belt
W/50 1/2 Belt O.C.
Optional Belt
 
1989 Peterbilt 378 equipped with
14L L6 Diesel Turbo
Fan Truck & Bus V-Belt
W/50 1/2 Belt O.C.
Optional Belt

2 Per Vehicle
On Sale:

$29.36

Avail:
1 in Stock
Warehouse: US-4
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
14L L6 Diesel Turbo
 
2
 
Fan
 
Truck & Bus V-Belt
W/51 1/2 Belt O.C.
Optional Belt
 
1989 Peterbilt 378 equipped with
14L L6 Diesel Turbo
Fan Truck & Bus V-Belt
W/51 1/2 Belt O.C.
Optional Belt

2 Per Vehicle
Avail:
0 in Stock
 OUT OF STOCK
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
14L L6 Diesel Turbo
 
1
 
Air Conditioning
 
Truck & Bus V-Belt
W/58 Belt O.C.
Available Until Stock Depleted
 
1989 Peterbilt 378 equipped with
14L L6 Diesel Turbo
Air Conditioning Truck & Bus V-Belt
W/58 Belt O.C.
Available Until Stock Depleted

1 Per Vehicle
On Sale:

$31.05

Avail:
1 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
14L L6 Diesel Turbo
 
1
 
Air Conditioning
 
Truck & Bus V-Belt
W/59 Belt O.C.
 
1989 Peterbilt 378 equipped with
14L L6 Diesel Turbo
Air Conditioning Truck & Bus V-Belt
W/59 Belt O.C.

1 Per Vehicle
On Sale:

$36.81

Avail:
1 in Stock
Warehouse: US-7
Qty:
EnginePer VehiclePositionFit NotesFitment Notes
1989 Peterbilt 378 equipped with
14L L6 Diesel Turbo
 
1
 
Air Conditioning
 
Truck & Bus V-Belt
W/60 Belt O.C.
 
1989 Peterbilt 378 equipped with
14L L6 Diesel Turbo
Air Conditioning Truck & Bus V-Belt
W/60 Belt O.C.

1 Per Vehicle
On Sale:

$18.01

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:

$19.89

Avail:
1 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:

$18.13

Avail:
3 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:

$21.49

Avail:
12 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
Displaying 101 to 125 (of 155 products)