Differential Ring and Pinion (12 Bolt)
49-0072-1 Application Notes
- For GM 8.875" (12 Bolt)
- 3.73 Ratio
- Thick Ring Gear
- Requires a 2.76 to 3.42 Ratio Carrier
- 1963-1964 Models Require a 30 Spline Pinion Yoke
Warranty
2 Years or 100,000 Miles
49-0072-1 Specifications
App Model
GM 8.875 Truck
Cover Bolt Quantity
12
Differential Carrier Break
3.40 Ratio and Lower
Differential Case Design Type
GM 8.875 Truck
Gear Ratio
3.73
Pinion Gear Tooth Quantity
11
Pinion Shaft Diameter
1.438 (Inch)
Pinion Spline Count
30
Ring Gear Bolt Quantity
12
Ring Gear Material
8620 Steel
Ring Gear Outside Diameter
8.875 (Inch)
Ring Gear Rotation
Standard
Ring Gear Tooth Quantity
41
Taxonomy A
LD Differential, LD Differential, LD Differential
Taxonomy B
Ring and Pinion, Ring and Pinion, Ring and Pinion
Taxonomy C
Rear, Rear, Rear
Taxonomy D
3.73, 3.73, 3.73
Vehicle Applications
- 1969 – 1974 Chevrolet Blazer
- 1975 – 1982 Chevrolet C10
- 1965 – 1967 Chevrolet C10 Panel
- 1964 – 1974 Chevrolet C10 Pickup
- 1967 – 1982 Chevrolet C10 Suburban
- 1975 – 1981 Chevrolet C20
- 1969 – 1974 Chevrolet C20 Pickup
- 1973 – 1981 Chevrolet C20 Suburban
- 1975 – 1981 Chevrolet G10
- 1964 – 1974 Chevrolet G10 Van
- 1975 – 1981 Chevrolet G20
- 1967 – 1974 Chevrolet G20 Van
- 1975 – 1981 Chevrolet K10
- 1964 – 1974 Chevrolet K10 Pickup
- 1967 – 1982 Chevrolet K10 Suburban
- 1975 – 1981 Chevrolet K20
- 1969 – 1974 Chevrolet K20 Pickup
- 1973 – 1981 Chevrolet K20 Suburban
- 1975 – 1981 Chevrolet K5 Blazer
- 1975 – 1980 Chevrolet P10
- 1965 – 1967 Chevrolet P10 Series
- 1967 – 1974 Chevrolet P10 Van
- 1975 – 1981 Chevrolet P20
- 1966 – 1967 Chevrolet P20 Series
- 1968 – 1974 Chevrolet P20 Van
- 1965 – 1966 Chevrolet Suburban
- 1974 – 1979 Ford Victor
- 1975 – 1978 GMC C15
- 1975 – 1978 GMC C15 Suburban
- 1967 – 1974 GMC C15/C1500 Pickup
- 1967 – 1974 GMC C15/C1500 Suburban
- 1979 – 1982 GMC C1500
- 1979 – 1981 GMC C1500 Suburban
- 1975 – 1978 GMC C25
- 1975 – 1978 GMC C25 Suburban
- 1969 – 1974 GMC C25/C2500 Pickup
- 1969 – 1974 GMC C25/C2500 Suburban
- 1979 – 1981 GMC C2500
- 1979 – 1981 GMC C2500 Suburban
- 1965 – 1966 GMC G1000 Series
- 1975 – 1978 GMC G15
- 1967 – 1974 GMC G15/G1500 Van
- 1979 – 1981 GMC G1500
- 1975 – 1978 GMC G25
- 1967 – 1974 GMC G25/G2500 Van
- 1979 – 1981 GMC G2500
- 1970 – 1981 GMC Jimmy
- 1966 GMC K1000 Pickup
- 1975 – 1978 GMC K15
- 1975 – 1978 GMC K15 Suburban
- 1966 – 1974 GMC K15/K1500 Pickup
- 1967 – 1974 GMC K15/K1500 Suburban
- 1979 – 1982 GMC K1500
- 1979 – 1982 GMC K1500 Suburban
- 1975 – 1978 GMC P15
- 1967 – 1974 GMC P15/P1500 Van
- 1979 – 1980 GMC P1500
- 1975 – 1978 GMC P25
- 1967 – 1974 GMC P25/P2500 Van
- 1979 – 1981 GMC P2500
- 1965 – 1966 GMC PB1000 Series
- 1966 GMC PB15 Series
- 1965 GMC PB1500 Series
- 1966 GMC PB2500 Van
