GM Genuine Parts Differential Drive Pinion Gear Outer Bearing
OE
Pack of 1

GM Genuine Parts Differential Drive Pinion Gear Outer Bearing

GM Part #84682861

ACDelco Part #84682861

MSRP$44.04*

ACDelco GM Original Equipment Differential Pinion Bearings are tapered roller bearing elements that support and allow the pinion gear to rotate within the axle or final drive housing, and are GM-recommended replacements for your vehicle's original components.

  • Tapered roller bearing elements that support and allow the pinion gear to rotate within the axle or final drive housing
  • GM-recommended replacement part for your GM vehicle's original factory component
  • Offering the quality, reliability, and durability of GM OE

Pack of 1

About this product

ACDelco GM Original Equipment Differential Pinion Bearings are tapered roller bearing elements that support and allow the pinion gear to rotate within the axle or final drive housing, and are GM-recommended replacements for your vehicle's original components. These original equipment differential pinion bearings have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

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  • Tapered roller bearing elements that support and allow the pinion gear to rotate within the axle or final drive housing
  • GM-recommended replacement part for your GM vehicle's original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function

Outside Diameter2.62 in / 66.65 mm
Race IncludedYes
Width4.25in
Weight1.09lb
ClassificationOE
Thickness1.05 in / 26.72 mm
Inside Diameter1.37 in / 34.92 mm
Race Inside Diameter2.66 in / 67.59 mm
Bearing TypeTapered Roller

24 Months/Unlimited Miles Limited Warranty for Parts (plus Labor if installed by a GM dealer)

Please visit our warranty page on Gmparts.com for full warranty details.

Good Maintenance Practices:

  • Use recommended grease or differential fluid to keep the bearing properly lubricated
  • Change differential fluids at vehicle recommended maintenance intervals

Signs of wear for differential pinion bearings include but are not limited to:

  • Low fluid levels in differentials
  • Leaks at seals and bearing location
  • Clunking and grinding noise from differential

ModelBody StyleTrimYear(s)
Silverado 1500Crew Cab Pickup2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
Silverado 1500Extended Cab Pickup2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
Silverado 1500 LTD2022

Frequently Asked Questions

Yes. Ring and pinion gears come in matched sets and should be replaced at the same time.

No. Do not use bearing grease on carrier or pinion bearings during installation, this may cause premature bearing failure. Use clean gear oil as a pre-lubricant to the bearings during installation.