2026 New Year Sale 15% OFF Code:
NY2026
24/7 Customer service
USD
Add your vehicle
Address
Login
Cart
Item
$0.00
A-Premium Happy New Year Sale 15% OFFA-Premium Happy New Year Sale 15% OFF
Add your vehicle to ensure fitmentRequired Fields
Make/Model
VIN
Save

Differential Locker

7items
  • All filters
  • Sort By
  • Price
  • Warranty
  • Placement on Vehicle
  • Color
  • Make
  • Brand
Rear Motive Gear Differential Mini SpoolRear Motive Gear Differential Mini Spool
A-Premium®
Rear Motive Gear Differential Mini Spool for Ford F-150 8.8 inch 10 Bolts 28-Spline
51 Reviews
$103.99
Edit ZIP code
3-year warranty
90 days free return
Check if this fits your vehicle
Item LocatedUnited States
Quantity1
Installation PositionRear
ColorBlack
Part interchange
MS8828, MS88-28
Show less
Rear Motive Gear Differential Mini Spool
A-Premium®
Rear Motive Gear Differential Mini Spool for Chevy GMC Pontiac 7.5 inch 28-Spline
$73.99
Edit ZIP code
3-year warranty
90 days free return
Check if this fits your vehicle
Item LocatedUnited States
Quantity1
Installation PositionRear
ColorBlack
Part interchange
MS7528, MS75-28
Show less
Rear Motive Gear Differential Mini Spool
A-Premium®
Rear Motive Gear Differential Mini Spool for Chevy GMC Pontiac 7.5 inch 26-Spline
$86.99
Edit ZIP code
3-year warranty
90 days free return
Check if this fits your vehicle
Item LocatedUnited States
Quantity1
Installation PositionRear
ColorBlack
Part interchange
MS7526, MS75-26
Show less
2 Pcs Rear Motive Gear Differential Mini Spool
A-Premium®
2 Pcs Rear Motive Gear Differential Mini Spool for Chevy GMC Pontiac 7.5 inches 28-Spline
$143.99
Edit ZIP code
3-year warranty
90 days free return
Check if this fits your vehicle
Item LocatedUnited States
Quantity2
Installation PositionRear Side
ColorBlack
Part interchange
MS7528, MS75-28
Show less
2 Pcs Rear Motive Gear Differential Mini Spool
A-Premium®
2 Pcs Rear Motive Gear Differential Mini Spool for Chevy GMC Pontiac 7.5 inches 26-Spline
$167.99
Edit ZIP code
3-year warranty
90 days free return
Check if this fits your vehicle
Item LocatedUnited States
Quantity2
Installation PositionRear Side
ColorBlack
Part interchange
MS7526, MS75-26
Show less
Rear Motive Gear Differential Mini Spool
A-Premium®
Rear Motive Gear Differential Mini Spool for Chevy GM 8.5 inch 10 Bolts 28-Spline
$76.99
Edit ZIP code
3-year warranty
90 days free return
Check if this fits your vehicle
Item LocatedUnited States
Quantity1
Installation PositionRear
ColorBlack
Part interchange
MS8528, MS85-28
Show less
Rear Motive Gear Differential Mini Spool
A-Premium®
Rear Motive Gear Differential Mini Spool for GM Chevy 8.5 inch 10 Bolts 30-Spline
$77.99
Edit ZIP code
3-year warranty
90 days free return
Check if this fits your vehicle
Item LocatedUnited States
Quantity1
Installation PositionRear
ColorBlack
Part interchange
MS8530, MS85-30
Show less

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.