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Pontiac Differential Locker

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Rear Motive Gear Differential Mini Spool for 1988-2002 Pontiac FirebirdRear Motive Gear Differential Mini Spool for 1988-2002 Pontiac Firebird
A-Premium®Part # APDL004
Rear Motive Gear Differential Mini Spool for 1988-2002 Pontiac Firebird
51 Reviews
$73.99
Edit ZIP code
3-year warranty
90 days free return
Fits Pontiac Firebird: 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Pontiac
Item LocatedUnited States
Quantity1
Installation PositionRear
ColorBlack
Part interchange
MS7528, MS75-28
item #1004T371
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 1978-1981 Pontiac LeMans
A-Premium®Part # APDL003
Rear Motive Gear Differential Mini Spool for 1978-1981 Pontiac LeMans
51 Reviews
$86.99
Edit ZIP code
3-year warranty
90 days free return
Fits Pontiac LeMans: 1978 1979 1980 1981
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Pontiac
Item LocatedUnited States
Quantity1
Installation PositionRear
ColorBlack
Part interchange
MS7526, MS75-26
item #1004SZZG
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.
Show less
Rear Motive Gear Differential Mini Spool for 1978-1987 Pontiac Grand Prix
A-Premium®Part # APDL003
Rear Motive Gear Differential Mini Spool for 1978-1987 Pontiac Grand Prix
51 Reviews
$86.99
Edit ZIP code
3-year warranty
90 days free return
Fits Pontiac Grand Prix: 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Pontiac
Item LocatedUnited States
Quantity1
Installation PositionRear
ColorBlack
Part interchange
MS7526, MS75-26
item #1004T238
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.
Show less
Rear Motive Gear Differential Mini Spool for 1977-1986 Pontiac Bonneville
A-Premium®Part # APDL003
Rear Motive Gear Differential Mini Spool for 1977-1986 Pontiac Bonneville
51 Reviews
$86.99
Edit ZIP code
3-year warranty
90 days free return
Fits Pontiac Bonneville: 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Pontiac
Item LocatedUnited States
Quantity1
Installation PositionRear
ColorBlack
Part interchange
MS7526, MS75-26
item #1004T2QE
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.
Show less
Rear Motive Gear Differential Mini Spool for 1977 1981 Pontiac Laurentian
A-Premium®Part # APDL003
Rear Motive Gear Differential Mini Spool for 1977 1981 Pontiac Laurentian
51 Reviews
$86.99
Edit ZIP code
3-year warranty
90 days free return
Fits Pontiac Laurentian: 1977 1981
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Pontiac
Item LocatedUnited States
Quantity1
Installation PositionRear
ColorBlack
Part interchange
MS7526, MS75-26
item #1004T0AS
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.
Show less
Rear Motive Gear Differential Mini Spool for 1976-1977 Pontiac Ventura
A-Premium®Part # APDL003
Rear Motive Gear Differential Mini Spool for 1976-1977 Pontiac Ventura
51 Reviews
$86.99
Edit ZIP code
3-year warranty
90 days free return
Fits Pontiac Ventura: 1976 1977
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Pontiac
Item LocatedUnited States
Quantity1
Installation PositionRear
ColorBlack
Part interchange
MS7526, MS75-26
item #1004T0KE
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.
Show less
Rear Motive Gear Differential Mini Spool for 1979-1980 Pontiac Grand LeMans
A-Premium®Part # APDL003
Rear Motive Gear Differential Mini Spool for 1979-1980 Pontiac Grand LeMans
51 Reviews
$86.99
Edit ZIP code
3-year warranty
90 days free return
Fits Pontiac Grand LeMans: 1979 1980
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Pontiac
Item LocatedUnited States
Quantity1
Installation PositionRear
ColorBlack
Part interchange
MS7526, MS75-26
item #1004T1GK
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.
Show less
Rear Motive Gear Differential Mini Spool for 1987-1989 Pontiac Safari
A-Premium®Part # APDL003
Rear Motive Gear Differential Mini Spool for 1987-1989 Pontiac Safari
51 Reviews
$86.99
Edit ZIP code
3-year warranty
90 days free return
Fits Pontiac Safari: 1987 1988 1989
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Pontiac
Item LocatedUnited States
Quantity1
Installation PositionRear
ColorBlack
Part interchange
MS7526, MS75-26
item #1004T0D6
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.
Show less
Rear Motive Gear Differential Mini Spool for 1978-1980 Pontiac Grand Am
A-Premium®Part # APDL003
Rear Motive Gear Differential Mini Spool for 1978-1980 Pontiac Grand Am
51 Reviews
$86.99
Edit ZIP code
3-year warranty
90 days free return
Fits Pontiac Grand Am: 1978 1979 1980
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Pontiac
Item LocatedUnited States
Quantity1
Installation PositionRear
ColorBlack
Part interchange
MS7526, MS75-26
item #1004T08Q
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.
Show less
Rear Motive Gear Differential Mini Spool for 1977-1981 Pontiac Catalina
A-Premium®Part # APDL003
Rear Motive Gear Differential Mini Spool for 1977-1981 Pontiac Catalina
51 Reviews
$86.99
Edit ZIP code
3-year warranty
90 days free return
Fits Pontiac Catalina: 1977 1978 1979 1980 1981
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Pontiac
Item LocatedUnited States
Quantity1
Installation PositionRear
ColorBlack
Part interchange
MS7526, MS75-26
item #1004T395
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.
Show less
Rear Motive Gear Differential Mini Spool for 1982-1987 Pontiac Firebird
A-Premium®Part # APDL003
Rear Motive Gear Differential Mini Spool for 1982-1987 Pontiac Firebird
51 Reviews
$86.99
Edit ZIP code
3-year warranty
90 days free return
Fits Pontiac Firebird: 1982 1983 1984 1985 1986 1987
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Pontiac
Item LocatedUnited States
Quantity1
Installation PositionRear
ColorBlack
Part interchange
MS7526, MS75-26
item #1004T02H
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.
Show less
Rear Motive Gear Differential Mini Spool for 1980-1986 Pontiac Parisienne
A-Premium®Part # APDL003
Rear Motive Gear Differential Mini Spool for 1980-1986 Pontiac Parisienne
51 Reviews
$86.99
Edit ZIP code
3-year warranty
90 days free return
Fits Pontiac Parisienne: 1980 1981 1982 1983 1984 1985 1986
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Pontiac
Item LocatedUnited States
Quantity1
Installation PositionRear
ColorBlack
Part interchange
MS7526, MS75-26
item #1004T2ZT
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.
Show less
Rear Motive Gear Differential Mini Spool for 1978-1979 Pontiac Phoenix
A-Premium®Part # APDL003
Rear Motive Gear Differential Mini Spool for 1978-1979 Pontiac Phoenix
51 Reviews
$86.99
Edit ZIP code
3-year warranty
90 days free return
Fits Pontiac Phoenix: 1978 1979
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Pontiac
Item LocatedUnited States
Quantity1
Installation PositionRear
ColorBlack
Part interchange
MS7526, MS75-26
item #1004T0CE
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.
Show less
Rear Motive Gear Differential Mini Spool for 1977 Pontiac Grand Safari
A-Premium®Part # APDL003
Rear Motive Gear Differential Mini Spool for 1977 Pontiac Grand Safari
51 Reviews
$86.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1977 Pontiac Grand Safari
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Pontiac
Item LocatedUnited States
Quantity1
Installation PositionRear
ColorBlack
Part interchange
MS7526, MS75-26
item #1004SUE3
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.
Show less
2 Pcs Rear Motive Gear Differential Mini Spool for 1978-1981 Pontiac LeMans
A-Premium®Part # APDL008
2 Pcs Rear Motive Gear Differential Mini Spool for 1978-1981 Pontiac LeMans
51 Reviews
$167.99
Edit ZIP code
3-year warranty
90 days free return
Fits Pontiac LeMans: 1978 1979 1980 1981
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Pontiac
Item LocatedUnited States
Quantity2
Installation PositionRear Side
ColorBlack
Part interchange
MS7526, MS75-26
item #1013C25R
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.
Show less
2 Pcs Rear Motive Gear Differential Mini Spool for 1980-1986 Pontiac Parisienne
A-Premium®Part # APDL008
2 Pcs Rear Motive Gear Differential Mini Spool for 1980-1986 Pontiac Parisienne
51 Reviews
$167.99
Edit ZIP code
3-year warranty
90 days free return
Fits Pontiac Parisienne: 1980 1981 1982 1983 1984 1985 1986
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Pontiac
Item LocatedUnited States
Quantity2
Installation PositionRear Side
ColorBlack
Part interchange
MS7526, MS75-26
item #1013AZQ2
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.
Show less
2 Pcs Rear Motive Gear Differential Mini Spool for 1978-1979 Pontiac Phoenix
A-Premium®Part # APDL008
2 Pcs Rear Motive Gear Differential Mini Spool for 1978-1979 Pontiac Phoenix
51 Reviews
$167.99
Edit ZIP code
3-year warranty
90 days free return
Fits Pontiac Phoenix: 1978 1979
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Pontiac
Item LocatedUnited States
Quantity2
Installation PositionRear Side
ColorBlack
Part interchange
MS7526, MS75-26
item #1013AZ40
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.
Show less
2 Pcs Rear Motive Gear Differential Mini Spool for 1978-1980 Pontiac Grand Am
A-Premium®Part # APDL008
2 Pcs Rear Motive Gear Differential Mini Spool for 1978-1980 Pontiac Grand Am
51 Reviews
$167.99
Edit ZIP code
3-year warranty
90 days free return
Fits Pontiac Grand Am: 1978 1979 1980
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Pontiac
Item LocatedUnited States
Quantity2
Installation PositionRear Side
ColorBlack
Part interchange
MS7526, MS75-26
item #1013AY7P
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.
Show less
2 Pcs Rear Motive Gear Differential Mini Spool for 1977-1981 Pontiac Catalina
A-Premium®Part # APDL008
2 Pcs Rear Motive Gear Differential Mini Spool for 1977-1981 Pontiac Catalina
51 Reviews
$167.99
Edit ZIP code
3-year warranty
90 days free return
Fits Pontiac Catalina: 1977 1978 1979 1980 1981
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Pontiac
Item LocatedUnited States
Quantity2
Installation PositionRear Side
ColorBlack
Part interchange
MS7526, MS75-26
item #1013AYU1
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.
Show less
2 Pcs Rear Motive Gear Differential Mini Spool for 1977 1981 Pontiac Laurentian
A-Premium®Part # APDL008
2 Pcs Rear Motive Gear Differential Mini Spool for 1977 1981 Pontiac Laurentian
51 Reviews
$167.99
Edit ZIP code
3-year warranty
90 days free return
Fits Pontiac Laurentian: 1977 1981
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Pontiac
Item LocatedUnited States
Quantity2
Installation PositionRear Side
ColorBlack
Part interchange
MS7526, MS75-26
item #1013C29C
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.
Show less
Page 1 of 2

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.