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Differential Locker

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Rear Motive Gear Differential Mini Spool for Chevy GMC Pontiac 7.5 inch 26-SplineRear Motive Gear Differential Mini Spool for Chevy GMC Pontiac 7.5 inch 26-Spline
A-Premium®Part # APDL003
Rear Motive Gear Differential Mini Spool for Chevy GMC Pontiac 7.5 inch 26-Spline
51 Reviews
$86.99
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3-year warranty
90 days free return
Fits 1973 - 1975 Buick Apollo, 1978 - 1981 Buick Century, 1991 - 1991 Buick Commercial Chassis, 1976 - 1985 Buick Electra, 1977 - 1983 Buick Estate Wagon, 1975 - 1985 Buick LeSabre, 1978 - 1987 Buick Regal, 1977 - 1978 Buick Riviera, 1991 - 1991 Buick Roadmaster, 1975 - 1980 Buick Skyhawk, 1976 - 1979 Buick Skylark, 1987 - 1987 Cadillac Brougham, 1982 - 1984 Cadillac DeVille, 1982 - 1986 Cadillac Fleetwood, 1985 - 1987 Chevrolet Astro, 1982 - 1987 Chevrolet Camaro, 1977 - 1987 Chevrolet Caprice, 1976 - 1987 Chevrolet El Camino, 1977 - 1979 Chevrolet Impala, 1978 - 1983 Chevrolet Malibu, 1978 - 1988 Chevrolet Monte Carlo, 1975 - 1980 Chevrolet Monza, 1977 - 1979 Chevrolet Nova, 1982 - 1987 Chevrolet S10, 1983 - 1987 Chevrolet S10 Blazer, 1982 - 1987 GMC S15, 1983 - 1987 GMC S15 Jimmy, 1985 - 1987 GMC Safari, 1977 - 1984 Oldsmobile 98, 1977 - 1987 Oldsmobile Custom Cruiser, 1978 - 1981 Oldsmobile Cutlass, 1978 - 1984 Oldsmobile Cutlass Calais, 1980 - 1983 Oldsmobile Cutlass Cruiser, 1978 - 1980 Oldsmobile Cutlass Salon, 1978 - 1987 Oldsmobile Cutlass Supreme, 1977 - 1985 Oldsmobile Delta 88, 1975 - 1979 Oldsmobile Omega, 1986 - 1987 Oldsmobile Cutlass, 1985 - 1987 Oldsmobile Cutlass Salon, 1977 - 1986 Pontiac Bonneville, 1977 - 1981 Pontiac Catalina, 1982 - 1987 Pontiac Firebird, 1978 - 1980 Pontiac Grand Am, 1979 - 1980 Pontiac Grand LeMans, 1978 - 1987 Pontiac Grand Prix, 1977 - 1977 Pontiac Grand Safari, 1977 - 1977 Pontiac Laurentian, 1978 - 1981 Pontiac LeMans, 1977 - 1977 Pontiac Parisienne, 1978 - 1979 Pontiac Phoenix, 1987 - 1989 Pontiac Safari, 1976 - 1977 Pontiac Ventura, 1981 - 1981 Pontiac Laurentian, 1980 - 1986 Pontiac Parisienne
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity1
Installation PositionRear
ColorBlack
Part interchange
MS7526, MS75-26
item #1004STR8
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 Chevy GMC Pontiac 7.5 inches 26-Spline
A-Premium®Part # APDL008
2 Pcs Rear Motive Gear Differential Mini Spool for Chevy GMC Pontiac 7.5 inches 26-Spline
51 Reviews
$167.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1973 - 1975 Buick Apollo, 1978 - 1981 Buick Century, 1991 - 1991 Buick Commercial Chassis, 1976 - 1985 Buick Electra, 1977 - 1983 Buick Estate Wagon, 1975 - 1985 Buick LeSabre, 1978 - 1987 Buick Regal, 1977 - 1978 Buick Riviera, 1991 - 1991 Buick Roadmaster, 1975 - 1980 Buick Skyhawk, 1976 - 1979 Buick Skylark, 1987 - 1987 Cadillac Brougham, 1982 - 1984 Cadillac DeVille, 1982 - 1986 Cadillac Fleetwood, 1985 - 1987 Chevrolet Astro, 1982 - 1987 Chevrolet Camaro, 1977 - 1987 Chevrolet Caprice, 1976 - 1987 Chevrolet El Camino, 1977 - 1979 Chevrolet Impala, 1978 - 1983 Chevrolet Malibu, 1978 - 1988 Chevrolet Monte Carlo, 1975 - 1980 Chevrolet Monza, 1977 - 1979 Chevrolet Nova, 1982 - 1987 Chevrolet S10, 1983 - 1987 Chevrolet S10 Blazer, 1982 - 1987 GMC S15, 1983 - 1987 GMC S15 Jimmy, 1985 - 1987 GMC Safari, 1977 - 1984 Oldsmobile 98, 1977 - 1987 Oldsmobile Custom Cruiser, 1978 - 1981 Oldsmobile Cutlass, 1978 - 1984 Oldsmobile Cutlass Calais, 1980 - 1983 Oldsmobile Cutlass Cruiser, 1978 - 1980 Oldsmobile Cutlass Salon, 1978 - 1987 Oldsmobile Cutlass Supreme, 1977 - 1985 Oldsmobile Delta 88, 1975 - 1979 Oldsmobile Omega, 1986 - 1987 Oldsmobile Cutlass, 1985 - 1987 Oldsmobile Cutlass Salon, 1977 - 1986 Pontiac Bonneville, 1977 - 1981 Pontiac Catalina, 1982 - 1987 Pontiac Firebird, 1978 - 1980 Pontiac Grand Am, 1979 - 1980 Pontiac Grand LeMans, 1978 - 1987 Pontiac Grand Prix, 1977 - 1977 Pontiac Grand Safari, 1977 - 1977 Pontiac Laurentian, 1978 - 1981 Pontiac LeMans, 1977 - 1977 Pontiac Parisienne, 1978 - 1979 Pontiac Phoenix, 1987 - 1989 Pontiac Safari, 1976 - 1977 Pontiac Ventura, 1981 - 1981 Pontiac Laurentian, 1980 - 1986 Pontiac Parisienne
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick
Item LocatedUnited States
Quantity2
Installation PositionRear Side
ColorBlack
Part interchange
MS7526, MS75-26
item #1001NNYX
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.