Real-time Inventory & Free Shipping Over $150

1978 GMC C15 SIERRA CLASSIC

X

Performance Timing Belts & Serpentine Belts

A timing belt is part of your internal combustion engine. It synchronizes the rotation of the crankshaft & the camshaft so that the engines valves open and close are the proper time. Your timing belt drives the cams and keeps your engine timed with the help of the tensioner and pulleys. On many engines the timing belt will also be responsible for the function of your water pump. Performance Timing belts can withstand the heat from your performance much better than those from the factory. Not only are they better against heat, they are reinforced with better quality materials to handle the high power and high pressure.

Serpentine Belt is a single continuous belt that drives multiple components in your engine bay. This includes your alternator, water pump, ac compressor, air pump, steering pump and more. Performance serpentine belts, just like performance timing belts, and made with higher quality materials. These materials are made to withstand higher heat from performance engines.

Sport Compact Warehouse is your premier source for timing belts an serpentine belts. Reach out to one of our experienced representatives with any questions you have and we will help you make a more informative decision.


Result Pages:
EDELBROCK 7331

EDELBROCK 7331 Hex-A-Just Timing Chain
for your 1978 GMC C15 SIERRA CLASSIC

On Sale:

$186.05

Availability:
16 New In Stock
Quantity:
EngineFitment Notes
1978 GMC C15 SIERRA CLASSIC equipped with
6.6L V8,
5.7L V8,
5.0L V8
 
1978 GMC C15 SIERRA CLASSIC equipped with
6.6L V8,
5.7L V8,
5.0L V8
EDELBROCK 7334

EDELBROCK 7334 Hex-A-Just Timing Chain
for your 1978 GMC C15 SIERRA CLASSIC

On Sale:

$185.27

Availability:
12 New In Stock
Quantity:
EngineFitment Notes
1978 GMC C15 SIERRA CLASSIC equipped with
7.4L V8
 
1978 GMC C15 SIERRA CLASSIC equipped with
7.4L V8
EDELBROCK 7800

EDELBROCK 7800 Performer-Link True-Roller Timing Chain Set
for your 1978 GMC C15 SIERRA CLASSIC

On Sale:

$52.29

Availability:
3 New In Stock
Quantity:
EngineFitment Notes
1978 GMC C15 SIERRA CLASSIC equipped with
6.6L V8,
5.7L V8,
5.0L V8
 
1978 GMC C15 SIERRA CLASSIC equipped with
6.6L V8,
5.7L V8,
5.0L V8
EDELBROCK 7802

EDELBROCK 7802 Performer-Link True-Roller Timing Chain Set
for your 1978 GMC C15 SIERRA CLASSIC

On Sale:

$31.91

Availability:
50 New In Stock
Quantity:
EngineFitment Notes
1978 GMC C15 SIERRA CLASSIC equipped with
6.6L V8,
5.7L V8,
5.0L V8
 
1978 GMC C15 SIERRA CLASSIC equipped with
6.6L V8,
5.7L V8,
5.0L V8
EDELBROCK 7809

EDELBROCK 7809 Performer-Link True-Roller Timing Chain Set
for your 1978 GMC C15 SIERRA CLASSIC

On Sale:

$51.72

Availability:
5 New In Stock
Quantity:
EngineFitment Notes
1978 GMC C15 SIERRA CLASSIC equipped with
7.4L V8
 
1978 GMC C15 SIERRA CLASSIC equipped with
7.4L V8
EDELBROCK 7810

EDELBROCK 7810 Performer-Link True-Roller Timing Chain Set
for your 1978 GMC C15 SIERRA CLASSIC

On Sale:

$60.28

Availability:
3 New In Stock
Quantity:
EngineFitment Notes
1978 GMC C15 SIERRA CLASSIC equipped with
7.4L V8
 
1978 GMC C15 SIERRA CLASSIC equipped with
7.4L V8
Comp Cams 2100

Comp Cams 2100 Magnum Double Roller Timing Set
for your 1978 GMC C15 SIERRA CLASSIC

On Sale:

$36.68

Availability:
50 New In Stock
Quantity:
EngineFitment Notes
1978 GMC C15 SIERRA CLASSIC equipped with
6.6L V8,
5.7L V8,
5.0L V8
 
1978 GMC C15 SIERRA CLASSIC equipped with
6.6L V8,
5.7L V8,
5.0L V8
Comp Cams 2110

Comp Cams 2110 Magnum Double Roller Timing Set
for your 1978 GMC C15 SIERRA CLASSIC

On Sale:

$44.21

Availability:
11 New In Stock
Quantity:
EngineFitment Notes
1978 GMC C15 SIERRA CLASSIC equipped with
7.4L V8
 
1978 GMC C15 SIERRA CLASSIC equipped with
7.4L V8
Comp Cams 3100

Comp Cams 3100 Hi Tech Roller Race Timing Set
for your 1978 GMC C15 SIERRA CLASSIC

On Sale:

$52.76

Availability:
2 New In Stock
Quantity:
EngineFitment Notes
1978 GMC C15 SIERRA CLASSIC equipped with
6.6L V8,
5.7L V8,
5.0L V8
 
1978 GMC C15 SIERRA CLASSIC equipped with
6.6L V8,
5.7L V8,
5.0L V8
Comp Cams 3110

Comp Cams 3110 Hi Tech Roller Race Timing Set
for your 1978 GMC C15 SIERRA CLASSIC

On Sale:

$58.84

Availability:
1 New In Stock
Quantity:
EngineFitment Notes
1978 GMC C15 SIERRA CLASSIC equipped with
7.4L V8
 
1978 GMC C15 SIERRA CLASSIC equipped with
7.4L V8
Comp Cams 3200

Comp Cams 3200 High Energy Timing Set
for your 1978 GMC C15 SIERRA CLASSIC

On Sale:

$41.28

Availability:
4 New In Stock
Quantity:
EngineFitment Notes
1978 GMC C15 SIERRA CLASSIC equipped with
6.6L V8,
5.7L V8,
5.0L V8
 
1978 GMC C15 SIERRA CLASSIC equipped with
6.6L V8,
5.7L V8,
5.0L V8
Comp Cams 3210

Comp Cams 3210 High Energy Timing Set
for your 1978 GMC C15 SIERRA CLASSIC

On Sale:

$37.23

Availability:
1 New In Stock
Quantity:
EngineFitment Notes
1978 GMC C15 SIERRA CLASSIC equipped with
7.4L V8
 
1978 GMC C15 SIERRA CLASSIC equipped with
7.4L V8
EDELBROCK 7848

EDELBROCK 7848 Timing Chain
for your 1978 GMC C15 SIERRA CLASSIC

On Sale:

$26.66

Availability:
0 New In Stock
Quantity:
EngineFitment Notes
1978 GMC C15 SIERRA CLASSIC equipped with
7.4L V8
 
1978 GMC C15 SIERRA CLASSIC equipped with
7.4L V8
GATES 7360

GATES 7360 High Capacity V-Belt Standard
for your 1978 GMC C15 SIERRA CLASSIC

On Sale:

$13.61

Availability:
0 New In Stock
Quantity:
EnginePositionFit NotesFitment Notes
1978 GMC C15 SIERRA CLASSIC equipped with
5.7L V8 GAS,
5.0L V8 GAS
 
Power Steering
 
w/o AC
 
1978 GMC C15 SIERRA CLASSIC equipped with
5.7L V8 GAS,
5.0L V8 GAS
Power Steering w/o AC
GATES 7375

GATES 7375 High Capacity V-Belt Standard
for your 1978 GMC C15 SIERRA CLASSIC

On Sale:

$14.60

Availability:
0 New In Stock
Quantity:
EnginePositionFit NotesFitment Notes
1978 GMC C15 SIERRA CLASSIC equipped with
4.1L L6 GAS
 
Fan and Alternator
 
w/ AC
 
1978 GMC C15 SIERRA CLASSIC equipped with
4.1L L6 GAS
Fan and Alternator w/ AC
1978 GMC C15 SIERRA CLASSIC equipped with
4.1L L6 GAS
 
Fan and Alternator
 
w/ X.C.
 
1978 GMC C15 SIERRA CLASSIC equipped with
4.1L L6 GAS
Fan and Alternator w/ X.C.
GATES 7380

GATES 7380 High Capacity V-Belt Standard
for your 1978 GMC C15 SIERRA CLASSIC

On Sale:

$13.26

Availability:
0 New In Stock
Quantity:
EnginePositionFit NotesFitment Notes
1978 GMC C15 SIERRA CLASSIC equipped with
4.8L L6 GAS
 
Fan and Alternator
 
w/ AC
 
1978 GMC C15 SIERRA CLASSIC equipped with
4.8L L6 GAS
Fan and Alternator w/ AC
1978 GMC C15 SIERRA CLASSIC equipped with
4.8L L6 GAS
 
Fan and Alternator
 
w/ X.C.
 
1978 GMC C15 SIERRA CLASSIC equipped with
4.8L L6 GAS
Fan and Alternator w/ X.C.
GATES 7390

GATES 7390 High Capacity V-Belt Standard
for your 1978 GMC C15 SIERRA CLASSIC

On Sale:

$13.22

Availability:
0 New In Stock
Quantity:
EnginePositionFit NotesFitment Notes
1978 GMC C15 SIERRA CLASSIC equipped with
4.1L L6 GAS
 
Fan and Alternator
 
w/o AC
w/ Std. Cool.
 
1978 GMC C15 SIERRA CLASSIC equipped with
4.1L L6 GAS
Fan and Alternator w/o AC
w/ Std. Cool.
GATES 7395

GATES 7395 High Capacity V-Belt Standard
for your 1978 GMC C15 SIERRA CLASSIC

On Sale:

$12.74

Availability:
0 New In Stock
Quantity:
EnginePositionFit NotesFitment Notes
1978 GMC C15 SIERRA CLASSIC equipped with
4.8L L6 GAS
 
Fan and Alternator
 
w/o AC
w/ Std. Cool.
 
1978 GMC C15 SIERRA CLASSIC equipped with
4.8L L6 GAS
Fan and Alternator w/o AC
w/ Std. Cool.
GATES 7420

GATES 7420 High Capacity V-Belt Standard
for your 1978 GMC C15 SIERRA CLASSIC

On Sale:

$13.65

Availability:
0 New In Stock
Quantity:
EnginePositionFit NotesFitment Notes
1978 GMC C15 SIERRA CLASSIC equipped with
6.6L V8 GAS
 
Fan and Power Steering
 
 
1978 GMC C15 SIERRA CLASSIC equipped with
6.6L V8 GAS
Fan and Power Steering
1978 GMC C15 SIERRA CLASSIC equipped with
5.7L V8 GAS,
5.0L V8 GAS
 
Fan and Power Steering
 
w/ AC
 
1978 GMC C15 SIERRA CLASSIC equipped with
5.7L V8 GAS,
5.0L V8 GAS
Fan and Power Steering w/ AC
GATES 7448

GATES 7448 High Capacity V-Belt Standard
for your 1978 GMC C15 SIERRA CLASSIC

On Sale:

$16.60

Availability:
0 New In Stock
Quantity:
EnginePositionFitment Notes
1978 GMC C15 SIERRA CLASSIC equipped with
6.6L V8 GAS,
5.7L V8 GAS,
5.0L V8 GAS
 
Fan and Alternator
 
1978 GMC C15 SIERRA CLASSIC equipped with
6.6L V8 GAS,
5.7L V8 GAS,
5.0L V8 GAS
Fan and Alternator
GATES 7450

GATES 7450 High Capacity V-Belt Standard
for your 1978 GMC C15 SIERRA CLASSIC

On Sale:

$13.77

Availability:
0 New In Stock
Quantity:
EnginePositionFitment Notes
1978 GMC C15 SIERRA CLASSIC equipped with
5.7L V8 DIESEL
 
Fan and Power Steering
 
1978 GMC C15 SIERRA CLASSIC equipped with
5.7L V8 DIESEL
Fan and Power Steering
GATES 7460

GATES 7460 High Capacity V-Belt Standard
for your 1978 GMC C15 SIERRA CLASSIC

On Sale:

$13.50

Availability:
0 New In Stock
Quantity:
EnginePositionFit NotesFitment Notes
1978 GMC C15 SIERRA CLASSIC equipped with
5.7L V8 GAS,
5.0L V8 GAS
 
Fan, Alternator and Air Pump
 
Automatic Trans
w/o AC
 
1978 GMC C15 SIERRA CLASSIC equipped with
5.7L V8 GAS,
5.0L V8 GAS
Fan, Alternator and Air Pump Automatic Trans
w/o AC
1978 GMC C15 SIERRA CLASSIC equipped with
7.4L V8 GAS
 
Fan and Alternator
 
 
1978 GMC C15 SIERRA CLASSIC equipped with
7.4L V8 GAS
Fan and Alternator
1978 GMC C15 SIERRA CLASSIC equipped with
7.4L V8 GAS
 
Fan and Power Steering
 
 
1978 GMC C15 SIERRA CLASSIC equipped with
7.4L V8 GAS
Fan and Power Steering
GATES 7470

GATES 7470 High Capacity V-Belt Standard
for your 1978 GMC C15 SIERRA CLASSIC

On Sale:

$14.56

Availability:
0 New In Stock
Quantity:
EnginePositionFit NotesFitment Notes
1978 GMC C15 SIERRA CLASSIC equipped with
5.7L V8 GAS,
5.0L V8 GAS
 
Fan, Alternator and Air Pump
 
Standard Trans
w/o AC
 
1978 GMC C15 SIERRA CLASSIC equipped with
5.7L V8 GAS,
5.0L V8 GAS
Fan, Alternator and Air Pump Standard Trans
w/o AC
GATES 7480

GATES 7480 High Capacity V-Belt Standard
for your 1978 GMC C15 SIERRA CLASSIC

On Sale:

$14.71

Availability:
0 New In Stock
Quantity:
EnginePositionFit NotesFitment Notes
1978 GMC C15 SIERRA CLASSIC equipped with
6.6L V8 GAS
 
Fan, Alternator and Air Pump
 
 
1978 GMC C15 SIERRA CLASSIC equipped with
6.6L V8 GAS
Fan, Alternator and Air Pump
1978 GMC C15 SIERRA CLASSIC equipped with
5.7L V8 GAS,
5.0L V8 GAS
 
Fan, Alternator and Air Pump
 
w/ AC
 
1978 GMC C15 SIERRA CLASSIC equipped with
5.7L V8 GAS,
5.0L V8 GAS
Fan, Alternator and Air Pump w/ AC
GATES 7490

GATES 7490 High Capacity V-Belt Standard
for your 1978 GMC C15 SIERRA CLASSIC

On Sale:

$14.21

Availability:
0 New In Stock
Quantity:
EnginePositionFitment Notes
1978 GMC C15 SIERRA CLASSIC equipped with
4.1L L6 GAS
 
Fan and Power Steering
 
1978 GMC C15 SIERRA CLASSIC equipped with
4.1L L6 GAS
Fan and Power Steering
1978 GMC C15 SIERRA CLASSIC equipped with
7.4L V8 GAS
 
Fan, Alternator and Air Pump
 
1978 GMC C15 SIERRA CLASSIC equipped with
7.4L V8 GAS
Fan, Alternator and Air Pump
Result Pages: