Yukon Gear & Axle · New
USA Standard 8.5in GM 5.38 Ring & Pinion (Needs Notched X/P)
MPN ZG GM8.5-538 · Store SKU yukZG GM8.5-538
Supplier stock checked 11/7/2026, 4:35:58 PM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure products pass dimensional, material, and fitment testing. 8.5" GM 5.38 Ring & Pinion (NEEDS NOTCHED X/P).
Manufacturer fitment & guides
Check ZG GM8.5-538 against the manufacturer’s application information below.