Gear Set for Differential (Ring & Pinion) 3.70 Ratio - 8389

S&S TRUCK PARTS (NEWSTAR) Gear Set for Differential (Ring & Pinion) 3.70 Ratio Part No: 8389

$494.00

The S&S Truck Parts (Newstar) 8389 Differential Gear Set features a 3.70 ratio ring and pinion designed for heavy-duty commercial axle assemblies. Built for strength and precision, this gear set helps maintain proper drivetrain efficiency, load handling, and durability. Ideal for differential repair or replacement, it supports consistent power delivery under demanding conditions. Distributed by Wofford Truck Parts, it’s a trusted solution for professional truck maintenance.

Specifications

The 8389 Gear Set for Differential (Ring & Pinion) 3.70 Ratio from S&S Truck Parts (Newstar) is a high-quality aftermarket solution for heavy-duty driveline and axle systems. Precision-manufactured to ensure correct gear meshing, this ring and pinion set promotes smooth power transfer, reduced noise, and extended differential life. Designed to meet the demands of commercial trucking applications, it is ideal for repairs, rebuilds, or performance restoration. Available through Wofford Truck Parts, it delivers dependable driveline performance.

Weight

Compatibility

Freightliner – Class 7–8 trucks (various years)

International – Heavy-duty models (various years)

Kenworth – Class 7–8 trucks (various years)

Peterbilt – Class 7–8 trucks (various years)

Volvo – Commercial trucks (various years)