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GM 20777021 Rear Axle Assembly (3.73 Ratio)

Name: GM 20777021
Brand: GM
SKU: 20777021
Availability: Discontinued

2009-2012 GM

Customer Questions & Expert Answers (11)

GM 20777021 Rear Axle Assembly (3.73 Ratio)

Part Description
Axle Assembly, Rear (3.73 Ratio)
Position
Rear
Manufacturer
General Motors
Manufacturer's Notes
This part is discontinued.

Make sure this part fits

Product Specifications
Vehicle Fitment
Customer Questions & Expert Answers

Product Specifications

Brand	Genuine GM
Manufacturer Part Number	20777021
Part Description	Axle Assembly, Rear (3.73 Ratio)
Item Dimensions	68.5 x 19.3 x 13.3 inches
Item Weight	81.70 Pounds
Position	Rear
Condition	New
Fitment Type	Direct Replacement
Manufacturer	General Motors
SKU	20777021
Warranty	This genuine GM part is guaranteed by GM's factory warranty.
Shipping & Return	Shipping Policy Return Policy

Warning: California’s Proposition 65

Vehicle Fitment

Year Make Model	Engine	Important vehicle option details
2009-2012 Chevrolet Colorado	8 Cyl 5.3L	CREW CAB, EXTENDED CAB, EXTENDED LENGTH, PICKUP
2009-2012 GMC Canyon	8 Cyl 5.3L	PICKUP, PICKUP CREW CAB, PICKUP EXTENDED CAB, PICKUP EXTENDED LENGTH

Customer Questions & Expert Answers
Q:
I would like to confirm if this is the correct part number for my vehicle. Please advise. Thank you. Posted by GMPartsGiant Specialist
A:
You can Select Your Vehicle to check if 20777021 fits your vehicle.
Posted by GMPartsGiant Specialist
Q:
How can you check for wear in the CV joints and driveaxle shafts for the 2008 Chevrolet Colorado? Posted by Customer
A:
To check for wear in the CV joints and driveaxle shafts, you can grasp each axle (one at a time) and rotate it in both directions while holding the CV joint housings, feeling for play indicating worn splines or sloppy CV joints. Also, check the driveaxle shafts for cracks, dents, and distortion.
Posted by GMPartsGiant Specialist
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Q:
What is the next step after removing the rear wheels for the 2005 Chevrolet Colorado? Posted by Customer
A:
The next step is to drain the rear axle lubricant.
Posted by GMPartsGiant Specialist
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Q:
What should you do to disengage the retaining ring on the inner end of the driveaxle from the differential or intermediate shaft for the 2008 Chevrolet Colorado? Posted by Customer
A:
To disengage the retaining ring on the inner end of the driveaxle from the differential or intermediate shaft, you should place the end of a brass drift against the inner driveaxle joint housing and apply enough force to disengage the ring.
Posted by GMPartsGiant Specialist
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Q:
What should you do after installing the differential cover for the 2010 Chevrolet Colorado? Posted by Customer
A:
Tighten the bolts.
Posted by GMPartsGiant Specialist
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Q:
How does the optional locking limited-slip rear axle function for the 2004 Chevrolet Colorado? Posted by Customer
A:
It functions like a conventional differential but with multi-disc clutch packs to equalize wheel rotation in low-traction situations.
Posted by GMPartsGiant Specialist
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Q:
What is the next step after removing the rear wheels for the 2008 GMC Canyon? Posted by Customer
A:
The next step is to drain the rear axle lubricant.
Posted by GMPartsGiant Specialist
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Q:
What is the function of the inner ends of the driveaxles in the front differential for the 2008 GMC Canyon? Posted by Customer
A:
The inner ends of the driveaxles are splined to the differential side gears.
Posted by GMPartsGiant Specialist
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Q:
What should you do if the 2009 GMC Canyon has a locking differential? Posted by Customer
A:
Withdraw the pinion shaft part way, then rotate the differential until the shaft touches the case. Have an assistant push in on the outer flanged end of the axleshaft while you remove the C-lock from the groove in the inner end of the shaft.
Posted by GMPartsGiant Specialist
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Q:
What type of front axle assembly is used in the 2007 GMC Canyon? Posted by Customer
A:
4WD models have a fully independent front axle assembly.
Posted by GMPartsGiant Specialist
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Q:
What is the next step after unbolting the brake hose retainer for the 2012 GMC Canyon? Posted by Customer
A:
After unbolting the brake hose retainer, the next step is to remove the steering knuckle and simultaneously pull the driveaxle stub shaft out of the hub.
Posted by GMPartsGiant Specialist
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If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

Genuine GM Part 20777021, the Right Choice

Your vehicle deserves only genuine OEM GM parts and accessories. To ensure reliability, purchase GM part # 20777021 Rear Axle Assembly (3.73 Ratio). It is sometimes referred to as GM Axle Shaft. Our GM parts and accessories are expedited directly from authorized GM dealers strategically located all across the U.S. and are backed by the manufacturer's 12 month, 12,000 mile warranty. OEM GM parts are the best for restoring your vehicle to factory condition performance. This part fits specific Chevrolet Colorado models. It fits GMC Canyon.

Affordable, reliable and built to last, GM part # 20777021 Rear Axle Assembly (3.73 Ratio) stands out as the smart option. GMPartsGiant.com is your prime online source with the biggest and best selection of genuine GM parts and accessories at giant discounted prices. We have the OEM GM parts and accessories you need at the wholesale prices. GMPartsGiant.com has you covered no matter what type of GM vehicle you drive. For detailed GMC parts information, click here.

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