Brand: PowerTrax
NO-SLIP GM 8.5″ 30 SPLINE OPEN
App/Model: GM 8.5
Axle Shaft Diameter: 1.31 Inch
California Proposition 65: Cancer and Reproductive Harm – www.P65Warnings.ca.gov
Differential Model: GM 8.5
Ring Gear Bolt Quantity: 10
Spline Quantity: 30
Taxonomy A: LD Differential
Taxonomy B: Differential Lockers & Spools
Taxonomy C: Drop-in Lockers
Taxonomy D: Front|Rear
Type: Open
For GM 8.5″ (10 Bolt); 30 Spline; For Open Differential

Owner’s Manual
Installation Instructions
Technical Bulletin

Warranty Period: 2 Years or 100,000 Miles

Replaces:

• PowerTrax: 1921-LR
• Auburn Gear: 542022
• Auburn Gear: 544906

Applications:

• 1991-1996 Buick Commercial Chassis
• 1989-1990 Buick Electra
• 1991-1996 Buick Roadmaster
• 1991-1992 Cadillac Brougham
• 1987-2005 Chevrolet Blazer
• 1989-2005 Chevrolet Blazer
• 1989-1998 Chevrolet C1500
• 1992-1998 Chevrolet C1500 Suburban
• 1989-1996 Chevrolet Caprice
• 1996-1998 Chevrolet Express 1500
• 1989-1995 Chevrolet G10
• 1989-1995 Chevrolet G20
• 1994-1996 Chevrolet Impala
• 1989-1999 Chevrolet K1500
• 1989-1998 Chevrolet K1500
• 1992-1999 Chevrolet K1500 Suburban
• 1993-1998 Chevrolet K1500 Suburban
• 1989-1991 Chevrolet K2500
• 1989-1991 Chevrolet K2500
• 1989-1991 Chevrolet R1500 Suburban
• 1994-1998 Chevrolet S10
• 1989-1994 Chevrolet S10 Blazer
• 1991-1994 Chevrolet S10 Blazer
• 1995-1998 Chevrolet Suburban 1500
• 1995-1998 Chevrolet Tahoe
• 1989-1991 Chevrolet V1500 Suburban
• 1989-1991 Chevrolet V1500 Suburban
• 1989-1991 Chevrolet V2500 Suburban
• 1989-1998 GMC C1500
• 1992-1998 GMC C1500 Suburban
• 1989-1995 GMC G1500
• 1989-1995 GMC G2500
• 1994-1998 GMC Jimmy
• 1994-1998 GMC Jimmy
• 1989-1999 GMC K1500
• 1989-1998 GMC K1500
• 1992-1999 GMC K1500 Suburban
• 1992-1998 GMC K1500 Suburban
• 1989-1991 GMC K2500
• 1989-1991 GMC K2500
• 1989-1991 GMC R1500 Suburban
• 1996-1998 GMC Savana 1500
• 1994-1998 GMC Sonoma
• 1992-1993 GMC Typhoon
• 1987-1991 GMC V1500 Suburban
• 1989-1991 GMC V1500 Suburban
• 1989-1991 GMC V2500 Suburban
• 1992-1998 GMC Yukon
• 1989-1992 Oldsmobile Custom Cruiser
• 1989-1989 Pontiac Bonneville