GM Genuine Parts®Verified to fit 420 vehicles
| Vehicle | Trim | Engine | Notes |
|---|---|---|---|
| 2027 Chevrolet Express 3500 | — | V8 6.6L | 3.42R(GU6),POSITRACTION L/SLIP R/AXL(G80) |
| 2027 GMC Savana 2500 | — | V8 6.6L | 3.42R(GU6),POSITRACTION L/SLIP R/AXL(G80) |
| 2027 GMC Savana 3500 | — | V8 6.6L | 3.42R(GU6),POSITRACTION L/SLIP R/AXL(G80),ACTIVE BRAKE CONTROL(JL4),SINGLE RR WHL(R04) |
| 2026 Chevrolet Express 3500 | — | V8 6.6L | 3.42R(GU6),POSITRACTION L/SLIP R/AXL(G80),ACTIVE BRAKE CONTROL(JL4),SINGLE RR WHL(R04),**9.50 RING GEAR SAGINAW-AMERICAN AXLE** |
| 2026 Chevrolet Silverado 1500 | — | L4 2.7L | Except ENHANCED TOWING PERF PKG(NHT); 3.42R(GU6),POSITRACTION L/SLIP R/AXL(G80),REAR AXLE - SUPPLIER A(SU7) |
| 2026 Chevrolet Silverado 1500 | — | L6 3.0L | 3.23R(GU5),POSITRACTION L/SLIP R/AXL(G80),REAR AXLE - SUPPLIER A(SU7) |
| 2026 Chevrolet Silverado 1500 | — | V8 5.3L | 3.42R(GU6),POSITRACTION L/SLIP R/AXL(G80),ENHANCED TOWING PERF PKG(NHT) |
| 2026 Chevrolet Silverado 1500 | — | V8 6.2L | 3.23R(GU5),POSITRACTION L/SLIP R/AXL(G80),REAR AXLE - SUPPLIER A(SU7),CONTINUOUS DAMPING CONTROL CHASSIS PACKAGE(Z45),CHASSIS PERFORMANCE PKG(Z60),CHASSIS PKG OFF ROAD LIFT(Z7X),'OFF ROAD' CHAS PKG(Z71),CHAS PKG(Z85) |
| 2026 GMC Savana 3500 | — | V6 4.3L | 3.42R(GU6),POSITRACTION L/SLIP R/AXL(G80),ACTIVE BRAKE CONTROL(JL4),SINGLE RR WHL(R04),**9.50 RING GEAR SAGINAW-AMERICAN AXLE** |
| 2026 GMC Sierra 1500 | — | L4 2.7L | Except ENHANCED TOWING PERF PKG(NHT); 3.42R(GU6),POSITRACTION L/SLIP R/AXL(G80),REAR AXLE - SUPPLIER A(SU7) |
| 2026 GMC Sierra 1500 | — | V8 5.3L | Except ENHANCED TOWING PERF PKG(NHT); 3.23R(GU5),POSITRACTION L/SLIP R/AXL(G80),REAR AXLE - SUPPLIER A(SU7),MONO LEAF SPRING(YD9) |
| 2026 GMC Sierra 1500 | — | V8 5.3L | 3.42R(GU6),POSITRACTION L/SLIP R/AXL(G80),ENHANCED TOWING PERF PKG(NHT) |
| 2026 GMC Sierra 1500 | — | V8 6.2L | 3.23R(GU5),POSITRACTION L/SLIP R/AXL(G80),REAR AXLE - SUPPLIER A(SU7),CONTINUOUS DAMPING CONTROL CHASSIS PACKAGE(Z45),CHASSIS PERFORMANCE PKG(Z60),CHASSIS PKG OFF ROAD LIFT(Z7X),'OFF ROAD' CHAS PKG(Z71),CHAS PKG(Z85) |
| 2026 GMC Sierra 1500 | — | V8 6.2L | 3.42R(GU6),POSITRACTION L/SLIP R/AXL(G80),ENHANCED TOWING PERF PKG(NHT) |
| 2025 Chevrolet Express 2500 | — | V6 4.3L | 3.42R(GU6),POSITRACTION L/SLIP R/AXL(G80),ACTIVE BRAKE CONTROL(JL4),SINGLE RR WHL(R04),**9.50 RING GEAR SAGINAW-AMERICAN AXLE** |

WARNING: Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, known to the State of California to cause cancer and reproductive harm. Service the vehicle in a well-ventilated area, wear gloves, and wash your hands. See www.P65Warnings.ca.gov/motor-vehicle-parts

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GM Genuine Parts Differential Pinion Shaft 22950866
Out of stock · guaranteed fit or free return

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This GM Genuine Parts automotive component is engineered to meet or exceed OEM specifications for reliable performance and long service life.

Trusted Automotive Brand
GM Genuine Parts is a trusted manufacturer of quality automotive parts.
View all GM Genuine Parts productsThe GM Genuine Parts Differential Pinion Shaft (22950866) is a direct-fit replacement for 2014-2027 GMC, Chevrolet and Cadillac vehicles. UPC 808709983675.
Differential Pinion Shaft
The GM Genuine Parts Differential Pinion Shaft (22950866) is a direct-fit replacement for 2014-2027 GMC, Chevrolet and Cadillac vehicles. UPC 808709983675.
This GM Genuine Parts automotive component is engineered to meet or exceed OEM specifications for reliable performance and long service life.

We only sell brands automakers trust, and we double-check the fit on every listing.
Top curated brands only
The brands automakers put on the car.
Obsessed with fitment
Year, make, model, trim, engine, plus the fine print.
Search any part number
Your old part, a competitor, or the dealer #. We confirm the match.
Shop owner? Get BuffyPro business pricing

Fitment Obsessed
Every part checked against your exact year, make, model, trim, and engine.
Wrong Fit? On Us.
Free return shipping, no restocking fee — the fitment guarantee.
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Millions of Parts, One Promise
If we say it fits, it fits.