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SKU: GTP10534

FULL Spool GM 8.5" 28 SPLINE | 81-1028-1, YP FSGM8.5-28

Regular price $169.79
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If you need to order multiple parts, give us a call so our sales team can work to combine your order into fewer packages and save you money on shipping! 858-898-1558

Delivery and Shipping

This part typically ships within 1 to 2 business days.

This Differential Spool is precision manufactured to OEM gear ratios and tooth geometry. It distributes torque efficiently between axles, maximizing traction and minimizing wear in commercial trucks.

Specifications

Differential Carrier Break 2.73 Ratio and Higher
Differential Model GM 8.5
Position Front|Rear
Pressure Angle 45 Degrees
Spline Quantity 28
Type Spool
Warranty Period 1 Year or 50,000 Miles

Vehicle Applications

Year Make Model
1971-1989 Buick Electra
1991-1996 Buick Roadmaster
1991-1996 Buick Commercial Chassis
1975-1979 Buick Skylark 1971-1972, Buick Skylark
1977-1986 Chevrolet K5 Blazer
1981-1986 Chevrolet C10 Suburban
1973-1988 Chevrolet Caprice
1973-1977 Chevrolet El Camino
1996-1998 Chevrolet Express 1500
1978-1995 Chevrolet G10
1979-1995 Chevrolet G20
1994-1996 Chevrolet Impala 1971-1985, Chevrolet Impala
1977-1986 Chevrolet K10
1977-1991 GMC Jimmy
1979-1986 GMC K1500
1980-1986 GMC K1500 Suburban
1987-1988 GMC R1500 Suburban
1971-1984 Oldsmobile 98
1977-1989 Oldsmobile Custom Cruiser
1975-1977 Oldsmobile Cutlass Salon
1971-1985 Oldsmobile Delta 88
1980-1986 Chevrolet K10 Suburban
1977-1986 Chevrolet K20
1981-1986 Chevrolet K20 Suburban
1978-1983 Chevrolet Malibu 1975, Chevrolet Malibu
1971-1977 Chevrolet Monte Carlo
1987-1988 Chevrolet R10 Suburban
1987-1988 Chevrolet V10 Suburban
1981-1986 GMC C1500
1981-1986 GMC C1500 Suburban
1979-1995 GMC G1500
1996-1998 GMC Savana 1500
1979-1995 GMC G2500
1983-1988 Chevrolet S10 Blazer
1987-1988 Chevrolet V20 Suburban
1973-1977 Buick Century
1985-1990 Buick LeSabre 1973-1981, Buick LeSabre
1984-1987 Buick Regal 1973-1977, Buick Regal
1970-1981 Chevrolet Camaro
1970-1979 Chevrolet Nova
1979-1986 GMC K2500
1987-1988 GMC V1500 Suburban
1987 GMC V2500
1971-1986 Pontiac Bonneville
1971-1981 Pontiac Catalina
1971-1977 Pontiac LeMans
1976-1986 Pontiac Parisienne
1977-1979 Pontiac Phoenix
1977-1981 Buick Estate Wagon
1971-1975 Chevrolet Bel Air
1970-1973 Chevrolet Chevelle
1985-1987 Oldsmobile Cutlass 1971-1977, Oldsmobile Cutlass
1971-1977 Oldsmobile Cutlass Supreme
1970-1972 Oldsmobile F85
1971-1977 Pontiac Grand Prix
1971-1975 Pontiac Grandville
1970-1973 Pontiac GTO
1971-1977 Pontiac Ventura
1981-1986 Chevrolet C10
1977-1978 Pontiac Grand Safari
1977-1978 GMC K25
1987 GMC R1500
1978-1980 Pontiac Grand Am 1973-1975, Pontiac Grand Am
1987-1989 Pontiac Safari
1971 Oldsmobile 442
1973-1979 Oldsmobile Omega
1970-1981 Pontiac Firebird
1987-1991 Chevrolet Blazer
1996 Chevrolet Express 2500
1987 Chevrolet V10
1987 Chevrolet V20
1975-1977 Pontiac Grand LeMans
1973-1975 Buick Apollo
1987 Chevrolet R10
1996 GMC Savana 2500
1971-1973 Buick Centurion
1971-1972 Chevrolet Biscayne
1971-1972 Chevrolet Brookwood
1971-1972 Pontiac Laurentian
1978 GMC G15
1977-1978 GMC K15
1987 GMC V1500
1977-1978 Buick Riviera
1976 Oldsmobile Cutlass Tiara

Interchange / Cross-Reference Numbers

Brand Part Number
Richmond Gear 81-1028-1
Yukon Gear and Axle YP FSGM8.5-28

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