{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": false,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": false,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": false,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": false,
    "zipPaymentFlag": "u",
    "hassleFreeReturn": false,
    "lifetimeReplacement": false,
    "cpn_off": false
}
2021 GMC Sierra 1500

2021 GMC Sierra 1500 Pinion Bearings

Refine by:

Shop Catalog

Showing 1 - 8 of 8 results
Sort by:
Pinion Bearing - Direct Fit
Part Number: AC84446306
Guaranteed to Fit
$19.49
Vehicle Fitment
  • 2021 GMC Sierra 1500 Denali 6 Cyl 3.0L 4-Door, Crew Cab Pickup, RWD, 3.23R(GU5), Positraction L/Slip R/Axl(G80), Rear Axle - Supplier A(SU7), Except Enhanced Towing Perf Pkg(NHT)
  • 2021 GMC Sierra 1500 SLE 4 Cyl 2.7L 4-Door, Extended Cab Pickup, 3.42R(GU6), Rear Axle - Supplier A(SU7)
  • 2021 GMC Sierra 1500 Elevation 6 Cyl 3.0L 4-Door, Crew Cab Pickup, RWD, 3.23R(GU5), Positraction L/Slip R/Axl(G80), Rear Axle - Supplier A(SU7), Except Enhanced Towing Perf Pkg(NHT)
  • 2021 GMC Sierra 1500 SLT 6 Cyl 3.0L 4-Door, Extended Cab Pickup, RWD, 3.23R(GU5), Positraction L/Slip R/Axl(G80), Rear Axle - Supplier A(SU7), Except Enhanced Towing Perf Pkg(NHT)
  • 2021 GMC Sierra 1500 Elevation 4 Cyl 2.7L 4-Door, Crew Cab Pickup, 3.42R(GU6), Rear Axle - Supplier A(SU7)
  • 2021 GMC Sierra 1500 Base 4 Cyl 2.7L 4-Door, Crew Cab Pickup, 3.42R(GU6), Rear Axle - Supplier A(SU7)
  • 2021 GMC Sierra 1500 AT4 8 Cyl 5.3L 4-Door, Extended Cab Pickup, 3.23R(GU5), Rear Axle - Supplier A(SU7)
  • 2021 GMC Sierra 1500 Base 8 Cyl 5.3L 2-Door, Standard Cab Pickup, 3.42R(GU6), Rear Axle - Supplier A(SU7)
  • 2021 GMC Sierra 1500 Elevation 8 Cyl 5.3L 4-Door, Extended Cab Pickup, 3.23R(GU5), Rear Axle - Supplier A(SU7)
  • 2021 GMC Sierra 1500 SLE 8 Cyl 5.3L 4-Door, Extended Cab Pickup, 3.23R(GU5), Rear Axle - Supplier A(SU7)
  • 2021 GMC Sierra 1500 Denali 8 Cyl 5.3L 4-Door, Crew Cab Pickup, 3.23R(GU5), Rear Axle - Supplier A(SU7)
  • 2021 GMC Sierra 1500 SLT 8 Cyl 5.3L 4-Door, Extended Cab Pickup, 3.23R(GU5), Rear Axle - Supplier A(SU7)
  • 2021 GMC Sierra 1500 SLE 6 Cyl 3.0L 4-Door, Crew Cab Pickup, RWD, 3.23R(GU5), Positraction L/Slip R/Axl(G80), Rear Axle - Supplier A(SU7), Except Enhanced Towing Perf Pkg(NHT)
Product Details
Location : OuterRecommended Use : OE ReplacementProduct Fit : Direct FitWarranty : 24-months or unlimited mile AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Pinion Bearing - Direct Fit
Part Number: ACS1422
Guaranteed to Fit
$19.49
Vehicle Fitment
  • 2021 GMC Sierra 1500 Elevation All Engines 4-Door, Extended Cab Pickup, 4WD, 147.4 in. Wheelbase, 3.23R(GU5), 3.42R(GU6), 3.73R(GT4), Front Axle - Supplier A(SU4)
  • 2021 GMC Sierra 1500 AT4 All Engines 4-Door, Extended Cab Pickup, 4WD, 147.4 in. Wheelbase, 3.23R(GU5), 3.42R(GU6), 3.73R(GT4), Front Axle - Supplier A(SU4)
  • 2021 GMC Sierra 1500 SLE All Engines 4-Door, Crew Cab Pickup, 4WD, 157.0 in. Wheelbase, 3.73R(GT4), Front Axle - Supplier A(SU4), 3.23R(GU5), 3.42R(GU6)
  • 2021 GMC Sierra 1500 Denali All Engines 4-Door, Crew Cab Pickup, 4WD, 157.0 in. Wheelbase, 3.73R(GT4), Front Axle - Supplier A(SU4), 3.23R(GU5), 3.42R(GU6)
  • 2021 GMC Sierra 1500 Base All Engines 2-Door, Standard Cab Pickup, 4WD, 3.23R(GU5), 3.42R(GU6), Front Axle - Supplier A(SU4)
  • 2021 GMC Sierra 1500 SLT All Engines 4-Door, Crew Cab Pickup, 4WD, 147.4 in. Wheelbase, 3.73R(GT4), Front Axle - Supplier A(SU4), 3.23R(GU5), 3.42R(GU6)
Product Details
Location : Front, OuterRecommended Use : OE ReplacementProduct Fit : Direct FitWarranty : 24-months or unlimited mile AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Pinion Bearing - Direct Fit
Part Number: ACS1423
Guaranteed to Fit
$27.49
Vehicle Fitment
  • 2021 GMC Sierra 1500 Elevation All Engines 4-Door, Extended Cab Pickup, 4WD, 147.4 in. Wheelbase, 3.23R(GU5), 3.42R(GU6), 3.73R(GT4), Front Axle - Supplier A(SU4)
  • 2021 GMC Sierra 1500 AT4 All Engines 4-Door, Extended Cab Pickup, 4WD, 147.4 in. Wheelbase, 3.23R(GU5), 3.42R(GU6), 3.73R(GT4), Front Axle - Supplier A(SU4)
  • 2021 GMC Sierra 1500 SLE All Engines 4-Door, Crew Cab Pickup, 4WD, 157.0 in. Wheelbase, 3.73R(GT4), Front Axle - Supplier A(SU4), 3.23R(GU5), 3.42R(GU6)
  • 2021 GMC Sierra 1500 Denali All Engines 4-Door, Crew Cab Pickup, 4WD, 157.0 in. Wheelbase, 3.73R(GT4), Front Axle - Supplier A(SU4), 3.23R(GU5), 3.42R(GU6)
  • 2021 GMC Sierra 1500 Base All Engines 2-Door, Standard Cab Pickup, 4WD, 3.23R(GU5), 3.42R(GU6), Front Axle - Supplier A(SU4)
  • 2021 GMC Sierra 1500 SLT All Engines 4-Door, Crew Cab Pickup, 4WD, 147.4 in. Wheelbase, 3.73R(GT4), Front Axle - Supplier A(SU4), 3.23R(GU5), 3.42R(GU6)
Product Details
Location : Front, InnerRecommended Use : OE ReplacementProduct Fit : Direct FitWarranty : 24-months or unlimited mile AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Pinion Bearing - Direct Fit
Part Number: AC84446305
Guaranteed to Fit
$35.49
Vehicle Fitment
  • 2021 GMC Sierra 1500 Denali 6 Cyl 3.0L 4-Door, Crew Cab Pickup, RWD, 3.23R(GU5), Positraction L/Slip R/Axl(G80), Rear Axle - Supplier A(SU7), Except Enhanced Towing Perf Pkg(NHT)
  • 2021 GMC Sierra 1500 SLE 4 Cyl 2.7L 4-Door, Extended Cab Pickup, 3.42R(GU6), Rear Axle - Supplier A(SU7)
  • 2021 GMC Sierra 1500 Elevation 6 Cyl 3.0L 4-Door, Crew Cab Pickup, RWD, 3.23R(GU5), Positraction L/Slip R/Axl(G80), Rear Axle - Supplier A(SU7), Except Enhanced Towing Perf Pkg(NHT)
  • 2021 GMC Sierra 1500 SLT 6 Cyl 3.0L 4-Door, Extended Cab Pickup, RWD, 3.23R(GU5), Positraction L/Slip R/Axl(G80), Rear Axle - Supplier A(SU7), Except Enhanced Towing Perf Pkg(NHT)
  • 2021 GMC Sierra 1500 Elevation 4 Cyl 2.7L 4-Door, Crew Cab Pickup, 3.42R(GU6), Rear Axle - Supplier A(SU7)
  • 2021 GMC Sierra 1500 Base 4 Cyl 2.7L 4-Door, Crew Cab Pickup, 3.42R(GU6), Rear Axle - Supplier A(SU7)
  • 2021 GMC Sierra 1500 AT4 8 Cyl 5.3L 4-Door, Extended Cab Pickup, 3.23R(GU5), Rear Axle - Supplier A(SU7)
  • 2021 GMC Sierra 1500 Base 8 Cyl 5.3L 2-Door, Standard Cab Pickup, 3.42R(GU6), Rear Axle - Supplier A(SU7)
  • 2021 GMC Sierra 1500 Elevation 8 Cyl 5.3L 4-Door, Extended Cab Pickup, 3.23R(GU5), Rear Axle - Supplier A(SU7)
  • 2021 GMC Sierra 1500 SLE 8 Cyl 5.3L 4-Door, Extended Cab Pickup, 3.23R(GU5), Rear Axle - Supplier A(SU7)
  • 2021 GMC Sierra 1500 Denali 8 Cyl 5.3L 4-Door, Crew Cab Pickup, 3.23R(GU5), Rear Axle - Supplier A(SU7)
  • 2021 GMC Sierra 1500 SLT 8 Cyl 5.3L 4-Door, Extended Cab Pickup, 3.23R(GU5), Rear Axle - Supplier A(SU7)
  • 2021 GMC Sierra 1500 SLE 6 Cyl 3.0L 4-Door, Crew Cab Pickup, RWD, 3.23R(GU5), Positraction L/Slip R/Axl(G80), Rear Axle - Supplier A(SU7), Except Enhanced Towing Perf Pkg(NHT)
Product Details
Location : InnerRecommended Use : OE ReplacementProduct Fit : Direct FitWarranty : 24-months or unlimited mile AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

GM Original Equipment Series Pinion Bearing - Direct Fit
Part Number: ACS1398
Guaranteed to Fit
$48.99
Vehicle Fitment
  • 2021 GMC Sierra 1500 SLT 8 Cyl 6.2L 4-Door, Crew Cab Pickup, 3.23R(GU5), 3.42R(GU6), Positraction L/Slip R/Axl(G80), Enhanced Towing Perf Pkg(NHT)
  • 2021 GMC Sierra 1500 Denali 8 Cyl 6.2L 4-Door, Crew Cab Pickup, 3.23R(GU5), 3.42R(GU6), Positraction L/Slip R/Axl(G80), Enhanced Towing Perf Pkg(NHT)
  • 2021 GMC Sierra 1500 AT4 6 Cyl 3.0L 4-Door, Crew Cab Pickup, 4WD, 147.4 in. Wheelbase, 3.73R(GT4), 3.23R(GU5), Rear Axle - Supplier A(SU7), Except Enhanced Towing Perf Pkg(NHT), Positraction L/Slip R/Axl(G80)
  • 2021 GMC Sierra 1500 Denali 6 Cyl 3.0L 4-Door, Crew Cab Pickup, 4WD, 147.4 in. Wheelbase, 3.73R(GT4), Rear Axle - Supplier A(SU7), Except Enhanced Towing Perf Pkg(NHT), 3.23R(GU5), Positraction L/Slip R/Axl(G80)
  • 2021 GMC Sierra 1500 Elevation 6 Cyl 3.0L 4-Door, Extended Cab Pickup, 4WD, 147.4 in. Wheelbase, 3.23R(GU5), 3.73R(GT4), Positraction L/Slip R/Axl(G80), Rear Axle - Supplier A(SU7), Except Enhanced Towing Perf Pkg(NHT)
  • 2021 GMC Sierra 1500 SLT 6 Cyl 3.0L 4-Door, Crew Cab Pickup, 4WD, 157.0 in. Wheelbase, 3.73R(GT4), 3.23R(GU5), Rear Axle - Supplier A(SU7), Except Enhanced Towing Perf Pkg(NHT), Positraction L/Slip R/Axl(G80)
  • 2021 GMC Sierra 1500 AT4 8 Cyl 5.3L 4-Door, Extended Cab Pickup, 3.42R(GU6), Positraction L/Slip R/Axl(G80), Enhanced Towing Perf Pkg(NHT)
  • 2021 GMC Sierra 1500 Base 8 Cyl 5.3L 4-Door, Crew Cab Pickup, 6-Speed, Automatic Transmission, transmissionmfrcode : 6L80, 147.4 in. Wheelbase, 3.73R(GT4), Positraction L/Slip R/Axl(G80), Enhanced Towing Perf Pkg(NHT)
  • 2021 GMC Sierra 1500 Elevation 8 Cyl 5.3L 4-Door, Extended Cab Pickup, 3.42R(GU6), Positraction L/Slip R/Axl(G80), Enhanced Towing Perf Pkg(NHT)
  • 2021 GMC Sierra 1500 AT4 8 Cyl 6.2L 4-Door, Crew Cab Pickup, 3.23R(GU5), 3.42R(GU6), Positraction L/Slip R/Axl(G80), Enhanced Towing Perf Pkg(NHT)
  • 2021 GMC Sierra 1500 SLE 8 Cyl 5.3L 4-Door, Crew Cab Pickup, 3.42R(GU6), Positraction L/Slip R/Axl(G80), Enhanced Towing Perf Pkg(NHT)
  • 2021 GMC Sierra 1500 Denali 8 Cyl 5.3L 4-Door, Crew Cab Pickup, 3.42R(GU6), Positraction L/Slip R/Axl(G80), Enhanced Towing Perf Pkg(NHT)
  • 2021 GMC Sierra 1500 SLT 8 Cyl 5.3L 4-Door, Extended Cab Pickup, 3.42R(GU6), Positraction L/Slip R/Axl(G80), Enhanced Towing Perf Pkg(NHT)
  • 2021 GMC Sierra 1500 SLE 6 Cyl 3.0L 4-Door, Crew Cab Pickup, 4WD, 157.0 in. Wheelbase, 3.73R(GT4), 3.23R(GU5), Rear Axle - Supplier A(SU7), Except Enhanced Towing Perf Pkg(NHT), Positraction L/Slip R/Axl(G80)
Product Details
Location : OuterRecommended Use : OE ReplacementProduct Fit : Direct FitWarranty : 24-months or unlimited mile AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : GM Original Equipment Series
GM Original Equipment Series Pinion Bearing - Direct Fit
Part Number: ACS1382
Guaranteed to Fit
$49.99
Vehicle Fitment
  • 2021 GMC Sierra 1500 Base 6 Cyl 4.3L 2-Door, Standard Cab Pickup, 3.42R(GU6), 8.50/8.625 Ring Gear Saginaw-American Axle, 10 Bolt Diff
Product Details
Location : OuterNotes : Contains 1 cone AAM# 40048060 and 1 cup AAM# 40048058Recommended Use : OE ReplacementProduct Fit : Direct FitWarranty : 24-months or unlimited mile AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : GM Original Equipment Series
GM Original Equipment Series Pinion Bearing - Direct Fit
Part Number: ACS1395
Guaranteed to Fit
$86.99
Vehicle Fitment
  • 2021 GMC Sierra 1500 SLT 8 Cyl 6.2L 4-Door, Crew Cab Pickup, 3.23R(GU5), 3.42R(GU6), Positraction L/Slip R/Axl(G80), Enhanced Towing Perf Pkg(NHT)
  • 2021 GMC Sierra 1500 Denali 8 Cyl 6.2L 4-Door, Crew Cab Pickup, 3.23R(GU5), 3.42R(GU6), Positraction L/Slip R/Axl(G80), Enhanced Towing Perf Pkg(NHT)
  • 2021 GMC Sierra 1500 AT4 6 Cyl 3.0L 4-Door, Crew Cab Pickup, 10-Speed, Automatic Transmission, transmissionmfrcode : 10L80, 3.73R(GT4), Rear Axle - Supplier A(SU7), Except Enhanced Towing Perf Pkg(NHT), 3.23R(GU5), Positraction L/Slip R/Axl(G80)
  • 2021 GMC Sierra 1500 Denali 6 Cyl 3.0L 4-Door, Crew Cab Pickup, 10-Speed, Automatic Transmission, transmissionmfrcode : 10L80, 3.23R(GU5), 3.73R(GT4), Positraction L/Slip R/Axl(G80), Rear Axle - Supplier A(SU7), Except Enhanced Towing Perf Pkg(NHT)
  • 2021 GMC Sierra 1500 Elevation 6 Cyl 3.0L 4-Door, Extended Cab Pickup, 10-Speed, Automatic Transmission, transmissionmfrcode : 10L80, 3.73R(GT4), Rear Axle - Supplier A(SU7), Except Enhanced Towing Perf Pkg(NHT), 3.23R(GU5), Positraction L/Slip R/Axl(G80)
  • 2021 GMC Sierra 1500 SLT 6 Cyl 3.0L 4-Door, Extended Cab Pickup, 10-Speed, Automatic Transmission, transmissionmfrcode : 10L80, 3.73R(GT4), Rear Axle - Supplier A(SU7), Except Enhanced Towing Perf Pkg(NHT), 3.23R(GU5), Positraction L/Slip R/Axl(G80)
  • 2021 GMC Sierra 1500 AT4 8 Cyl 5.3L 4-Door, Extended Cab Pickup, 3.42R(GU6), Positraction L/Slip R/Axl(G80), Enhanced Towing Perf Pkg(NHT)
  • 2021 GMC Sierra 1500 Base 8 Cyl 5.3L 4-Door, Crew Cab Pickup, 6-Speed, Automatic Transmission, transmissionmfrcode : 6L80, 147.4 in. Wheelbase, 3.73R(GT4), Positraction L/Slip R/Axl(G80), Enhanced Towing Perf Pkg(NHT)
  • 2021 GMC Sierra 1500 Elevation 8 Cyl 5.3L 4-Door, Extended Cab Pickup, 3.42R(GU6), Positraction L/Slip R/Axl(G80), Enhanced Towing Perf Pkg(NHT)
  • 2021 GMC Sierra 1500 AT4 8 Cyl 6.2L 4-Door, Crew Cab Pickup, 3.23R(GU5), 3.42R(GU6), Positraction L/Slip R/Axl(G80), Enhanced Towing Perf Pkg(NHT)
  • 2021 GMC Sierra 1500 SLE 8 Cyl 5.3L 4-Door, Crew Cab Pickup, 3.42R(GU6), Positraction L/Slip R/Axl(G80), Enhanced Towing Perf Pkg(NHT)
  • 2021 GMC Sierra 1500 Denali 8 Cyl 5.3L 4-Door, Crew Cab Pickup, 3.42R(GU6), Positraction L/Slip R/Axl(G80), Enhanced Towing Perf Pkg(NHT)
  • 2021 GMC Sierra 1500 SLT 8 Cyl 5.3L 4-Door, Extended Cab Pickup, 3.42R(GU6), Positraction L/Slip R/Axl(G80), Enhanced Towing Perf Pkg(NHT)
  • 2021 GMC Sierra 1500 SLE 6 Cyl 3.0L 4-Door, Extended Cab Pickup, 10-Speed, Automatic Transmission, transmissionmfrcode : 10L80, 3.73R(GT4), Rear Axle - Supplier A(SU7), Except Enhanced Towing Perf Pkg(NHT), 3.23R(GU5), Positraction L/Slip R/Axl(G80)
Product Details
Location : InnerRecommended Use : OE ReplacementProduct Fit : Direct FitWarranty : 24-months or unlimited mile AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : GM Original Equipment Series
GM Original Equipment Series Pinion Bearing - Direct Fit
Part Number: ACS1381
Guaranteed to Fit
$89.99
Vehicle Fitment
  • 2021 GMC Sierra 1500 Base 6 Cyl 4.3L 4-Door, Crew Cab Pickup, 3.42R(GU6)
Product Details
Location : InnerRecommended Use : OE ReplacementProduct Fit : Direct FitWarranty : 24-months or unlimited mile AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : GM Original Equipment Series
Page 1 of 1 | Showing 1 - 8 of 8 results

Popular Products