24158 Ring & Pinion Gear Set 3.73 for GM 8.5" & 8.6

Product Overview

This aftermarket replacement ring and pinion gear set is supplied for GM 8.5 inch and 8.6 inch differential applications in a 3.73 ratio, and it cross-references part number 24158. A ring and pinion gear set transfers rotational power from the driveshaft to the differential carrier so the axle shafts can drive the wheels. The set is intended for the GM 8.5 inch and 8.6 inch differential assemblies identified in the listing.

Key Features & Performance

• Ring and pinion gear set for GM 8.5 inch and 8.6 inch differential assemblies
• 3.73 gear ratio as identified in the listing
• Cross-references part number 24158
• Used when servicing or replacing the ring and pinion gears in a compatible differential
• Provides the gear reduction that transfers torque from the driveshaft to the axle shafts

Fitment & Compatibility

• for GM 8.5 inch differential applications
• for GM 8.6 inch differential applications

Common Uses

• Replacing worn or damaged ring and pinion gears in a GM 8.5 inch or 8.6 inch differential
• Servicing the differential during a gear ratio change or rebuild
• Restoring the normal transfer of torque through the rear axle assembly

Technical Specifications

• Product Type: Ring and Pinion Gear Set
• Part Number(s): 24158
• Reference Number(s): 24158
• General Application: GM 8.5 inch and 8.6 inch differential assemblies
• Ratio: 3.73

Frequently Asked Questions

Q: What does a ring and pinion gear set do? A: A ring and pinion gear set transfers rotational power from the driveshaft to the differential carrier and provides the gear reduction that drives the axle shafts.

Q: How should fitment be verified? A: Confirm the complete existing part number and the complete differential model designation, including whether the axle is a GM 8.5 inch or 8.6 inch unit, before ordering.

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.