The 2016 GMC Sierra HD lineup is equipped with the Eaton Locker automatic locking rear differential, and it comes in handy during times where getting traction can be difficult. It’s what GMC refers to ...

GKN Driveline has begun production in the United States of a new electronic differential lock for two- and four-wheel-drive vehicles. The new unit is easier for drivers to use, locks faster and ...

There's a good reason we're rolling on dubs in a bone stock G35. It's part of an overly-complicated attempt at testing different types of limited-slip differentials on the same car, on the same day, ...

Not all limited-slip differentials are made equal. There are an infinite different variations using different combinations of clutches, bite points, and fluid. But which one works best for your car?

We've seen some wrench benders in our travels, but Martin Barraza, the Drivetrain Direct technician in our photos, can disassemble an 8.8 axle about as fast as we can push the shutter on our Nikons.

Note: The dimensions shown above are for the Toyota Lc76 Gxl + Diff Locks, 2.8L, Diesel, 6 SPEED AUTOMATIC. To display dimensions about another variant, click on one of the rows in the table below.