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2021 GMC Sierra 1500

2021 GMC Sierra 1500 Knuckles

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Front, Driver Side Knuckle, 2-Door, Standard Cab Pickup/4-Door, Extended Cab Pickup 4-Door - Front, Driver Side
Part Number: AC84673207
Guaranteed to Fit
$99.99
Vehicle Fitment
  • 2021 GMC Sierra 1500 Elevation All Engines 4-Door, Extended Cab Pickup
  • 2021 GMC Sierra 1500 AT4 All Engines 4-Door, Extended Cab Pickup
  • 2021 GMC Sierra 1500 SLE All Engines 4-Door, Extended Cab Pickup
  • 2021 GMC Sierra 1500 Base All Engines 4-Door, Crew Cab Pickup
  • 2021 GMC Sierra 1500 SLT All Engines 4-Door, Crew Cab Pickup
  • 2021 GMC Sierra 1500 Denali All Engines 4-Door, Crew Cab Pickup
Product Details
Location : Front, Driver SideQuantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco limited warrantyProp 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.

Knuckle
Part Number: MAS101920
Guaranteed to Fit
$439.38
Vehicle Fitment
  • 2021 GMC Sierra 1500 Denali 8 Cyl 6.2L 2in. Lowering Spindles; Reqs. 18in. Rims Or Larger With 6in. Backspacing Or Less; Except Wheels Wider Than 9in. Or Wheels With Less Than 4.5in. Backspacing; These Spindles Feature A Slightly Reduced Turning Radius To Fit Factory 18in. Wheels
  • 2021 GMC Sierra 1500 Denali 6 Cyl 3.0L 2in. Lowering Spindles; Reqs. 18in. Rims Or Larger With 6in. Backspacing Or Less; Except Wheels Wider Than 9in. Or Wheels With Less Than 4.5in. Backspacing; These Spindles Feature A Slightly Reduced Turning Radius To Fit Factory 18in. Wheels
  • 2021 GMC Sierra 1500 SLE 4 Cyl 2.7L 2in. Lowering Spindles; Reqs. 18in. Rims Or Larger With 6in. Backspacing Or Less; Except Wheels Wider Than 9in. Or Wheels With Less Than 4.5in. Backspacing; These Spindles Feature A Slightly Reduced Turning Radius To Fit Factory 18in. Wheels
  • 2021 GMC Sierra 1500 Elevation 6 Cyl 3.0L 2in. Lowering Spindles; Reqs. 18in. Rims Or Larger With 6in. Backspacing Or Less; Except Wheels Wider Than 9in. Or Wheels With Less Than 4.5in. Backspacing; These Spindles Feature A Slightly Reduced Turning Radius To Fit Factory 18in. Wheels
  • 2021 GMC Sierra 1500 Base 4 Cyl 2.7L 2in. Lowering Spindles; Reqs. 18in. Rims Or Larger With 6in. Backspacing Or Less; Except Wheels Wider Than 9in. Or Wheels With Less Than 4.5in. Backspacing; These Spindles Feature A Slightly Reduced Turning Radius To Fit Factory 18in. Wheels
  • 2021 GMC Sierra 1500 AT4 8 Cyl 5.3L 2in. Lowering Spindles; Reqs. 18in. Rims Or Larger With 6in. Backspacing Or Less; Except Wheels Wider Than 9in. Or Wheels With Less Than 4.5in. Backspacing; These Spindles Feature A Slightly Reduced Turning Radius To Fit Factory 18in. Wheels
  • 2021 GMC Sierra 1500 Elevation 8 Cyl 5.3L 2in. Lowering Spindles; Reqs. 18in. Rims Or Larger With 6in. Backspacing Or Less; Except Wheels Wider Than 9in. Or Wheels With Less Than 4.5in. Backspacing; These Spindles Feature A Slightly Reduced Turning Radius To Fit Factory 18in. Wheels
  • 2021 GMC Sierra 1500 SLT 8 Cyl 5.3L 2in. Lowering Spindles; Reqs. 18in. Rims Or Larger With 6in. Backspacing Or Less; Except Wheels Wider Than 9in. Or Wheels With Less Than 4.5in. Backspacing; These Spindles Feature A Slightly Reduced Turning Radius To Fit Factory 18in. Wheels
  • 2021 GMC Sierra 1500 Base 6 Cyl 4.3L 2in. Lowering Spindles; Reqs. 18in. Rims Or Larger With 6in. Backspacing Or Less; Except Wheels Wider Than 9in. Or Wheels With Less Than 4.5in. Backspacing; These Spindles Feature A Slightly Reduced Turning Radius To Fit Factory 18in. Wheels
  • 2021 GMC Sierra 1500 SLT 8 Cyl 6.2L 2in. Lowering Spindles; Reqs. 18in. Rims Or Larger With 6in. Backspacing Or Less; Except Wheels Wider Than 9in. Or Wheels With Less Than 4.5in. Backspacing; These Spindles Feature A Slightly Reduced Turning Radius To Fit Factory 18in. Wheels
  • 2021 GMC Sierra 1500 AT4 6 Cyl 3.0L 2in. Lowering Spindles; Reqs. 18in. Rims Or Larger With 6in. Backspacing Or Less; Except Wheels Wider Than 9in. Or Wheels With Less Than 4.5in. Backspacing; These Spindles Feature A Slightly Reduced Turning Radius To Fit Factory 18in. Wheels
  • 2021 GMC Sierra 1500 SLT 6 Cyl 3.0L 2in. Lowering Spindles; Reqs. 18in. Rims Or Larger With 6in. Backspacing Or Less; Except Wheels Wider Than 9in. Or Wheels With Less Than 4.5in. Backspacing; These Spindles Feature A Slightly Reduced Turning Radius To Fit Factory 18in. Wheels
  • 2021 GMC Sierra 1500 Elevation 4 Cyl 2.7L 2in. Lowering Spindles; Reqs. 18in. Rims Or Larger With 6in. Backspacing Or Less; Except Wheels Wider Than 9in. Or Wheels With Less Than 4.5in. Backspacing; These Spindles Feature A Slightly Reduced Turning Radius To Fit Factory 18in. Wheels
  • 2021 GMC Sierra 1500 Base 8 Cyl 5.3L 2in. Lowering Spindles; Reqs. 18in. Rims Or Larger With 6in. Backspacing Or Less; Except Wheels Wider Than 9in. Or Wheels With Less Than 4.5in. Backspacing; These Spindles Feature A Slightly Reduced Turning Radius To Fit Factory 18in. Wheels
  • 2021 GMC Sierra 1500 AT4 8 Cyl 6.2L 2in. Lowering Spindles; Reqs. 18in. Rims Or Larger With 6in. Backspacing Or Less; Except Wheels Wider Than 9in. Or Wheels With Less Than 4.5in. Backspacing; These Spindles Feature A Slightly Reduced Turning Radius To Fit Factory 18in. Wheels
  • 2021 GMC Sierra 1500 SLE 8 Cyl 5.3L 2in. Lowering Spindles; Reqs. 18in. Rims Or Larger With 6in. Backspacing Or Less; Except Wheels Wider Than 9in. Or Wheels With Less Than 4.5in. Backspacing; These Spindles Feature A Slightly Reduced Turning Radius To Fit Factory 18in. Wheels
  • 2021 GMC Sierra 1500 Denali 8 Cyl 5.3L 2in. Lowering Spindles; Reqs. 18in. Rims Or Larger With 6in. Backspacing Or Less; Except Wheels Wider Than 9in. Or Wheels With Less Than 4.5in. Backspacing; These Spindles Feature A Slightly Reduced Turning Radius To Fit Factory 18in. Wheels
  • 2021 GMC Sierra 1500 SLE 6 Cyl 3.0L 2in. Lowering Spindles; Reqs. 18in. Rims Or Larger With 6in. Backspacing Or Less; Except Wheels Wider Than 9in. Or Wheels With Less Than 4.5in. Backspacing; These Spindles Feature A Slightly Reduced Turning Radius To Fit Factory 18in. Wheels
Product Details
Quantity Sold : Sold individuallyWarranty : Lifetime MaxTrac limited warrantyProp 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.

Knuckle
Part Number: MAS701935
Guaranteed to Fit
$659.09
Vehicle Fitment
  • 2021 GMC Sierra 1500 SLT 8 Cyl 6.2L Rear Wheel Drive; 3.5in. Lift Spindles; Reqs. 18in. Rims Or Larger With 5 1/2in. Backspacing Or Less; Except Wheels Wider Than 9in. Or Wheels With Less Than 4.5in. Backspacing
  • 2021 GMC Sierra 1500 Denali 8 Cyl 6.2L Rear Wheel Drive; 3.5in. Lift Spindles; Reqs. 18in. Rims Or Larger With 5 1/2in. Backspacing Or Less; Except Wheels Wider Than 9in. Or Wheels With Less Than 4.5in. Backspacing
  • 2021 GMC Sierra 1500 Denali 6 Cyl 3.0L Rear Wheel Drive; 3.5in. Lift Spindles; Reqs. 18in. Rims Or Larger With 5 1/2in. Backspacing Or Less; Except Wheels Wider Than 9in. Or Wheels With Less Than 4.5in. Backspacing
  • 2021 GMC Sierra 1500 SLE 4 Cyl 2.7L Rear Wheel Drive; 3.5in. Lift Spindles; Reqs. 18in. Rims Or Larger With 5 1/2in. Backspacing Or Less; Except Wheels Wider Than 9in. Or Wheels With Less Than 4.5in. Backspacing
  • 2021 GMC Sierra 1500 Elevation 6 Cyl 3.0L Rear Wheel Drive; 3.5in. Lift Spindles; Reqs. 18in. Rims Or Larger With 5 1/2in. Backspacing Or Less; Except Wheels Wider Than 9in. Or Wheels With Less Than 4.5in. Backspacing
  • 2021 GMC Sierra 1500 SLT 6 Cyl 3.0L Rear Wheel Drive; 3.5in. Lift Spindles; Reqs. 18in. Rims Or Larger With 5 1/2in. Backspacing Or Less; Except Wheels Wider Than 9in. Or Wheels With Less Than 4.5in. Backspacing
  • 2021 GMC Sierra 1500 Elevation 4 Cyl 2.7L Rear Wheel Drive; 3.5in. Lift Spindles; Reqs. 18in. Rims Or Larger With 5 1/2in. Backspacing Or Less; Except Wheels Wider Than 9in. Or Wheels With Less Than 4.5in. Backspacing
  • 2021 GMC Sierra 1500 Base 4 Cyl 2.7L Rear Wheel Drive; 3.5in. Lift Spindles; Reqs. 18in. Rims Or Larger With 5 1/2in. Backspacing Or Less; Except Wheels Wider Than 9in. Or Wheels With Less Than 4.5in. Backspacing
  • 2021 GMC Sierra 1500 Base 8 Cyl 5.3L Rear Wheel Drive; 3.5in. Lift Spindles; Reqs. 18in. Rims Or Larger With 5 1/2in. Backspacing Or Less; Except Wheels Wider Than 9in. Or Wheels With Less Than 4.5in. Backspacing
  • 2021 GMC Sierra 1500 Elevation 8 Cyl 5.3L Rear Wheel Drive; 3.5in. Lift Spindles; Reqs. 18in. Rims Or Larger With 5 1/2in. Backspacing Or Less; Except Wheels Wider Than 9in. Or Wheels With Less Than 4.5in. Backspacing
  • 2021 GMC Sierra 1500 SLE 8 Cyl 5.3L Rear Wheel Drive; 3.5in. Lift Spindles; Reqs. 18in. Rims Or Larger With 5 1/2in. Backspacing Or Less; Except Wheels Wider Than 9in. Or Wheels With Less Than 4.5in. Backspacing
  • 2021 GMC Sierra 1500 Denali 8 Cyl 5.3L Rear Wheel Drive; 3.5in. Lift Spindles; Reqs. 18in. Rims Or Larger With 5 1/2in. Backspacing Or Less; Except Wheels Wider Than 9in. Or Wheels With Less Than 4.5in. Backspacing
  • 2021 GMC Sierra 1500 SLT 8 Cyl 5.3L Rear Wheel Drive; 3.5in. Lift Spindles; Reqs. 18in. Rims Or Larger With 5 1/2in. Backspacing Or Less; Except Wheels Wider Than 9in. Or Wheels With Less Than 4.5in. Backspacing
  • 2021 GMC Sierra 1500 SLE 6 Cyl 3.0L Rear Wheel Drive; 3.5in. Lift Spindles; Reqs. 18in. Rims Or Larger With 5 1/2in. Backspacing Or Less; Except Wheels Wider Than 9in. Or Wheels With Less Than 4.5in. Backspacing
  • 2021 GMC Sierra 1500 Base 6 Cyl 4.3L Rear Wheel Drive; 3.5in. Lift Spindles; Reqs. 18in. Rims Or Larger With 5 1/2in. Backspacing Or Less; Except Wheels Wider Than 9in. Or Wheels With Less Than 4.5in. Backspacing
Product Details
Quantity Sold : Sold individuallyWarranty : Lifetime MaxTrac limited warrantyProp 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.

Front, Passenger Side Knuckle, 2-Door, Standard Cab Pickup/4-Door, Extended Cab Pickup 4-Door - Front, Passenger Side
Part Number: AC84673210
Guaranteed to Fit
$99.99
Vehicle Fitment
  • 2021 GMC Sierra 1500 Elevation All Engines 4-Door, Extended Cab Pickup
  • 2021 GMC Sierra 1500 AT4 All Engines 4-Door, Extended Cab Pickup
  • 2021 GMC Sierra 1500 SLE All Engines 4-Door, Extended Cab Pickup
  • 2021 GMC Sierra 1500 Base All Engines 4-Door, Crew Cab Pickup
  • 2021 GMC Sierra 1500 SLT All Engines 4-Door, Crew Cab Pickup
  • 2021 GMC Sierra 1500 Denali All Engines 4-Door, Crew Cab Pickup
Product Details
Location : Front, Passenger SideQuantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco limited warrantyProp 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.

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Product Questions & Answers

Q:Is this for a 6” lift spindle?
Randy C.
A:BEST ANSWERHi Randy, I'm pleased to assist you. No, this knuckle is not for a 6” lift spindle. I suggest calling our parts specialists at 1-866-529-0412 to provide the vehicle information so we can check availability and fitment. Have a nice day! Show less
Grace G.
 
1 Question, 1 AnswerView all Q&As >