

Hero image 0 of Powertrax 1921-LR Lock Right Locking Differential, 0 of 2
Powertrax 1921-LR Lock Right Locking Differential
Key item features
- GM 10 Bolt 8.5in. 30 Spline Lock Right Locker
- 1921-LR
Fits Select:
1988-1999 CHEVROLET GMT-400
1994-1998 CHEVROLET S TRUCK
1987-2005 CHEVROLET BLAZER
1988-1999 CHEVROLET SUBURBAN
1989-1999 GMC SIERRA
1995-1998 CHEVROLET TAHOE
1987-1999 GMC SUBURBAN
1994-1998 GMC SONOMA
1988-1996 CHEVROLET CAPRICE
1988-1995 CHEVROLET G20
1988 GMC GMT-400
1992-1998 GMC YUKON
1995-1998 GMC JIMMY
1995-1996 CHEVROLET CAPRICE / IMPALA
1997-1998 CHEVROLET EXPRESS G1500
1991-1996 BUICK ROADMASTER
1989,1991-1992,1994-1995 GMC RALLY WAGON / VAN
1996 CHEVROLET EXPRESS VAN
1991-1992 CADILLAC BROUGHAM
1996-1998 GMC SAVANA
1991,1993,1995 GMC VANDURA
1988-1990 BUICK ELECTRA
1994 GMC S15
1988-1990,1992-1993 GMC RALLY WAGON
1988-1989 PONTIAC BONNEVILLE
and more - add your vehicle to our fit widget to check
Specs
- Vehicle modelGMT-400
- Vehicle year1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2005
- Vehicle makeGM
- Vehicle fitment typeSpecific
- BrandPowerTrax
- Automotive specialty part typeLock Right Locker
More seller options (2)
Starting from $403.22
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About this item
Product details
Lock Right Locking Differential GM 8.5" 10 Bolt 30-Spline For Open Differential POWERTRAX 1921-LR Features:For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Powertrax Grip-Lok, Lock-Right Locke rs and No-Slip Traction Systems automatically provide 100 traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!
- GM 10 Bolt 8.5in. 30 Spline Lock Right Locker
- 1921-LR
Fits Select:
1988-1999 CHEVROLET GMT-400
1994-1998 CHEVROLET S TRUCK
1987-2005 CHEVROLET BLAZER
1988-1999 CHEVROLET SUBURBAN
1989-1999 GMC SIERRA
1995-1998 CHEVROLET TAHOE
1987-1999 GMC SUBURBAN
1994-1998 GMC SONOMA
1988-1996 CHEVROLET CAPRICE
1988-1995 CHEVROLET G20
1988 GMC GMT-400
1992-1998 GMC YUKON
1995-1998 GMC JIMMY
1995-1996 CHEVROLET CAPRICE / IMPALA
1997-1998 CHEVROLET EXPRESS G1500
1991-1996 BUICK ROADMASTER
1989,1991-1992,1994-1995 GMC RALLY WAGON / VAN
1996 CHEVROLET EXPRESS VAN
1991-1992 CADILLAC BROUGHAM
1996-1998 GMC SAVANA
1991,1993,1995 GMC VANDURA
1988-1990 BUICK ELECTRA
1994 GMC S15
1988-1990,1992-1993 GMC RALLY WAGON
1988-1989 PONTIAC BONNEVILLE
and more - add your vehicle to our fit widget to check
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it. Â
Specifications
Vehicle model
GMT-400
Vehicle year
1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2005
Vehicle make
GM
Vehicle fitment type
Specific
Warranty
Warranty information
For warranty claims / info contact Manufacturer / Brand
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Warnings
Compare with similar items
| Product | Viewing this itemPowertrax 1921-LR Lock Right Locking Differential ![]() $403.22 current price $403.2225 out of 5 Stars. 2 reviews |
|---|
| Vehicle model | GMT-400Powertrax 1921-LR Lock Right Locking Differential | 84366616Electronic Locking Differential | 481837Wheel Seal | hm89210Differential Pinion Race | 411330NDifferential Pinion Seal | C2500 SuburbanDifferential Pinion Race | 2286Differential Pinion Seal | hm89446aDifferential Pinion Bearing | 1177Differential Pinion Seal |
|---|---|---|---|---|---|---|---|---|---|
| Vehicle make | GMPowertrax 1921-LR Lock Right Locking Differential | ChevroletElectronic Locking Differential | InternationalWheel Seal | -Differential Pinion Race | -Differential Pinion Seal | ChevroletDifferential Pinion Race | -Differential Pinion Seal | -Differential Pinion Bearing | ToyotaDifferential Pinion Seal |
| Vehicle fitment type | SpecificPowertrax 1921-LR Lock Right Locking Differential | SpecificElectronic Locking Differential | SpecificWheel Seal | SpecificDifferential Pinion Race | SpecificDifferential Pinion Seal | SpecificDifferential Pinion Race | SpecificDifferential Pinion Seal | SpecificDifferential Pinion Bearing | SpecificDifferential Pinion Seal |
| Automotive specialty part type | Lock Right LockerPowertrax 1921-LR Lock Right Locking Differential | SteeringElectronic Locking Differential | SealsWheel Seal | Automotive Specialty PartDifferential Pinion Race | SealsDifferential Pinion Seal | BearingsDifferential Pinion Race | -Differential Pinion Seal | BearingsDifferential Pinion Bearing | SealsDifferential Pinion Seal |
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Customer ratings & reviews
How item rating is calculated
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
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Showing 1-2 of 2 reviews
Dec 20, 2016
Lobster
5 out of 5 stars review
The locker works great, like it much better than a limited slip. I might say some guys might not like the clicking when turning, for the return on total lock up, well worth it.
Review from jegs.com
Helpful?2QPB4FSYXR2B146434107
Nov 2, 2014
Chevy1767
5 out of 5 stars review
Works great
The install was super easy and works just as advertised. Great product.
Review from jegs.com
Helpful?2QPB4FSYXR2B146434107








