Used Differential Buyer’s Guide: Front vs Rear, Open vs Locking
A truck differential is the single most expensive drivetrain component to replace new — and the single best-value used part […]
Differential
Posi, Limited-Slip, Locking Differential: Which Used Diff Do You Need?
Posi, Trac-Lok, Anti-Spin, Gov-Lok, e-Locker — every manufacturer brands their traction device differently, and parts catalogs use the terms interchangeably
Differential Gear Ratio Compatibility: VIN, RPO, Axle Tag Decoded
The single most expensive mistake in used differential and rear axle ordering is the wrong gear ratio. A 3.73 ring
Signs of a Failing Differential — How to Diagnose Before You Buy
The howl that started at 60 mph two months ago is louder now. The fluid you drained has shiny metal