Genuine GMC R2500 Crankshaft Gear

Crankshaft Timing Gear

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6 Crankshaft Gears found

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GMC R2500 Crankshaft Sprocket
Part Number: 10128346
$41.31 MSRP: $70.65
You Save: $29.34 (42%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: SPROCKET, Engine Crankshaft/Timing; Crankshaft Gear, Timing Gear Set
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1987-1989 GMC R2500 | 3/4 TON, 3/4 TON CREW CAB | 8 Cyl 5.0L, 8 Cyl 5.7L
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GMC R2500 Crankshaft Sprocket
Part Number: 14088784
$75.52 MSRP: $182.87
You Save: $107.35 (59%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: SPROCKET, Engine Crankshaft/Timing; Crankshaft Gear, Timing Gear Set
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1987-1989 GMC R2500 | 3/4 TON, 3/4 TON CREW CAB | 8 Cyl 5.0L, 8 Cyl 5.7L
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GMC R2500 Crankshaft Sprocket
Part Number: 3902426
$35.10 MSRP: $58.09
You Save: $22.99 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: SPROCKET, Engine Crankshaft/Timing; Crankshaft Gear, Timing Gear Set
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1987-1989 GMC R2500 | 3/4 TON, 3/4 TON CREW CAB | 8 Cyl 7.4L
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GMC R2500 Gear, Crankshaft
Part Number: 2768986
$74.58 MSRP: $103.86
You Save: $29.28 (29%)
ADD TO CART
Product Specifications
- Other Name: GEAR, Engine Crankshaft/Timing; Timing Gear Set
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1987-1989 GMC R2500 | 3/4 TON, 3/4 TON CREW CAB | 6 Cyl 4.8L
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GMC R2500 Crankshaft Sprocket
Part Number: 464617
Product Specifications
- Other Name: SPROCKET, Engine Crankshaft/Timing; Crankshaft Gear, Timing Gear Set
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1987-1988 GMC R2500 | 3/4 TON, 3/4 TON CREW CAB | 6 Cyl 4.3L, 8 Cyl 5.7L
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GMC R2500 Crankshaft Sprocket
Part Number: 14022646
Product Specifications
- Other Name: SPROCKET, Engine Crankshaft; Crankshaft Gear, Timing Gear Set
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1987-1989 GMC R2500 | 3/4 TON, 3/4 TON CREW CAB | 8 Cyl 6.2L Diesel

GMC R2500 Crankshaft Gear

GMC R2500 Crankshaft Gear is the engine's timekeeper, locking piston and cam action into perfect sync for smoother power delivery and trustworthy starts. This precision cut Crankshaft Gear matches the original tooth pattern and diameter so that every R2500 variant from V6 to big block V8 gains identical timing accuracy without extra tuning, which is part of trusted GMC heritage. Built of rugged stainless steel, the Crankshaft Gear shrugs off heat cycles and torsion spikes, fighting off the kind of cracks that cheaper metals invite, which means GMC drivers can push heavy loads or long highway miles with fewer worries. Installation remains easy. Drop out that tired unit, slide the new Crankshaft Gear onto the keyed shaft, torque the bolt, bend the washer and fire up that motor, a process that many home enthusiasts can accomplish in an afternoon. Because the Crankshaft Gear ensures that valve events are on point, combustion will be completed earlier, fuel will burn cleaner, and exhaust temperatures will stay lower, providing livelier throttle response and a slight mileage boost for GMC owners, as well as making the R2500 feel more responsive. The component is also involved in safety because an out-of-step gear may cause the truck to stall in traffic and this reliable Crankshaft Gear replacement allows for consistent power steering and brake vacuum. Compatibility is across all GMC R2500 built between 1987 and 1989, whether it is the inline six, V6 or any V8, so one part number covers the entire R2500 lineup and makes it much easier for fleet managers to stock Crankshaft Gear spares. Keeping an older R2500 on the road is easier when owners are assured that the timing system is secure, and quiet operation, corrosion resistance, and factory matched geometry make this Crankshaft Gear a standout for anyone safeguarding classic GMC performance.

Each OEM GMC R2500 Crankshaft Gear we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.