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GMC Differential Locker

4 items

To make after-market autoparts an after-thought! Get quality Differential Locker replacement for your vehicle at A-Premium.com. Best Service, Best price!

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Rear Motive Gear Differential Mini Spool for 1988-1991 GMC S15 JimmyRear Motive Gear Differential Mini Spool for 1988-1991 GMC S15 Jimmy
A-Premium®Part # APDL004
Rear Motive Gear Differential Mini Spool for 1988-1991 GMC S15 Jimmy
51 Reviews
$73.99
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3-year warranty
90 days free return
Fits GMC S15 Jimmy: 1988 1989 1990 1991
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: GMC
Item LocatedUnited States
Installation PositionRear
ColorBlack
item #1004T37Q
Note
【Note-1】 This product is designed to be compatible with GM 7.5 inches (10 Bolt) models that have 28 splines and a mini spool.
【Note-2】 It is compatible with open carriers that have a large window on one side and a small oval shape on the other.
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Rear Motive Gear Differential Mini Spool for 1985-1987 GMC Safari
A-Premium®Part # APDL003
Rear Motive Gear Differential Mini Spool for 1985-1987 GMC Safari
51 Reviews
$86.99
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3-year warranty
90 days free return
Fits GMC Safari: 1985 1986 1987
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: GMC
Item LocatedUnited States
Installation PositionRear
ColorBlack
item #1004T384
Note
【Note-1】 This product is designed to be compatible with GM 7.5 inches (10 Bolt) models that have 26 splines and a mini spool.
【Note-2】 It can only be installed on vehicles with a stock open-style carrier.
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2 Pcs Rear Motive Gear Differential Mini Spool for 1992-2001 GMC Jimmy
A-Premium®Part # APDL009
2 Pcs Rear Motive Gear Differential Mini Spool for 1992-2001 GMC Jimmy
51 Reviews
$143.99
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3-year warranty
90 days free return
Fits GMC Jimmy: 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: GMC
Item LocatedUnited States
Installation PositionRear Side
ColorBlack
item #1013C245
Note
【Note-1】 Fit the models with GM 7.5" (10 Bolt), 28 Spline, Mini Spool.
【Note-2】 Fit open carriers with a large window on 1 side and a small oval shape on the other.
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2 Pcs Rear Motive Gear Differential Mini Spool for 1983-1987 GMC S15 Jimmy
A-Premium®Part # APDL008
2 Pcs Rear Motive Gear Differential Mini Spool for 1983-1987 GMC S15 Jimmy
51 Reviews
$167.99
Edit ZIP code
3-year warranty
90 days free return
Fits GMC S15 Jimmy: 1983 1984 1985 1986 1987
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: GMC
Item LocatedUnited States
Installation PositionRear Side
ColorBlack
item #1013AYEK
Note
【Note-1】 Fit the models with GM 7.5" (10 Bolt), 26 Spline, Mini Spool, Not fit 30-Spline.
【Note-2】 This item is designed exclusively for use with stock open style carriers and will not fit other carrier types.
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What is a differential locker in a vehicle?

A differential locker, also known as a locking differential and a diff locker, is a specialized differential system used in the central, front, or rear differential of a four-wheel drive vehicle, particularly off-road and high-performance cars. It can temporarily "lock" the differential, forcing the two drive wheels to spin at the same speed, which provides enhanced traction and performance when one wheel is slipping. This enhances off-road capabilities, handling, and acceleration performance. Compared to a standard open differential, a differential locker uses a mechanical locking mechanism to improve the vehicle's driving capabilities on low-friction surfaces, such as mud, snow, and other challenging terrain. This is especially useful for four-wheel-drive vehicles, trucks, and high-performance sports cars that require excellent traction.

How to install a different locker?

When you need to replace the car diff locker, you can refer to the following steps:
1. Prepare the vehicle by jacking it up and securing it on jack stands, then drain the differential fluid.
2. Disassemble the differential and remove the differential cover, disconnect the differential from the driveshaft and axles, and disassemble the differential housing to access the internal components.
3. With the differential disassembled, it's time to install the differential locker mechanism by replacing the standard spider gears with the locker unit.
4. Carefully reassemble the differential housing, ensuring proper gear alignment, then reconnect the differential to the driveshaft and axles.
5. Refill the differential with the recommended fluid type and quantity.
6. Test the operation of the differential locker by engaging and disengaging the locking mechanism, ensuring smooth and proper function.
7. Lower the vehicle and test drive, checking for any issues or abnormal noises to complete the installation.

Conquer any terrain with the unstoppable power of the A-Premium diff locker

When the terrain gets tough, an A-Premium differential locker is your indomitable force. Equipped with exclusive technology, it reliably locks the left and right wheels together, ensuring one wheel's traction can overcome even the most challenging surfaces. The mechanism engages smoothly and silently, without compromising stability. Rigorous engineering guarantees long-term durability, even in rugged off-road conditions. Additionally, our products come with a 3-year warranty, 90-day free returns, and round-the-clock customer service to ensure your complete satisfaction. A-Premium differential locker - your trusty companion, no matter where the journey takes you.