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Eaton GM 8.875 Inch 12 Bolt Truck 3.73 Up Automatic Locker

Eaton GM 8.875 Inch 12 Bolt Truck 3.73 Up Automatic Locker

Regular price $1,147.49
Regular price Sale price $1,147.49
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In-stock orders are processed within 48 hours; transit time is additional.

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Need help with a return? Request authorization within 30 days of delivery for eligible unused, uninstalled items. See details for exclusions and applicable fees.

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Return details & how to start

Request return authorization (RMA) within 30 days of delivery for eligible items. Keep items unused and uninstalled, with original packaging and accessories. Electronics, liquids, special orders and other categories are excluded.

Email sales@frsport.com with RETURN and your order number in the subject to request an RMA. Please wait for return authorization before sending your item back.

Wrong part/size or change of mind: a 20% return processing fee applies, plus applicable shipping costs.

Original shipping is non-refundable. For orders shipped free, the actual outbound shipping cost is deducted from the refund. Return shipping is prepaid by the customer.

After payment capture, cancellations and refunds generally incur a 5% processing fee, except for our error, confirmed defects or confirmed carrier loss. The 5% and 20% fees do not stack; only the greater applicable fee applies. Store credit waives the 5% fee, but applicable return fees remain.

Missing, incorrect or transit-damaged items: report within 3 business days of receipt with photos of the product and packaging.

For defective items, contact us for help with the manufacturer's warranty process. The manufacturer decides the claim.

Specifications

Product details shared across all variants.

Product type
Differential
Category
Differentials
Item condition
New
Shipping weight
22.0 lb

Billable shipping weight; may include dimensional weight.


SPECIFICATIONS

  • DIFFERENTIAL TYPE: Locking
  • GEAR SPLINE TOOTH COUNT: 30 EA
  • RING GEAR SIZE: 8.875 IN
  • AXLE SHAFT DIAMETER: 1.3 IN
  • VEHICLE USAGE:
    Off-Road: Rock Crawl
    On Road: Drag Racing
    Off-Road: Extreme Off-Road
    Off-Road: Work Truck / Towing
    On Road: Street and Muscle
    On Road: Restoration
    Off-Road: Light Trail / Sand Sports
    On Road: Circle Track
    On Road: Work Truck / Towing


Vehicle Fitments:

Year Make Model Submodel
1969 - 1974 Chevrolet Blazer Base
1978 - 1980 Chevrolet C10 Big Ten
1975 - 1981 Chevrolet C10 Cheyenne
1975 - 1980 Chevrolet C10 Custom Deluxe
1975 - 1982 Chevrolet C10 Custom, Scottsdale, Silverado
1981 Chevrolet C10 Deluxe
1965 - 1967 Chevrolet C10 Panel Base
1964 - 1974 Chevrolet C10 Pickup Base
1967 - 1974 Chevrolet C10 Suburban Base
1981 - 1982 Chevrolet C10 Suburban Custom
1975 - 1980 Chevrolet C10 Suburban Custom Deluxe
1981 Chevrolet C10 Suburban Deluxe
1975 - 1982 Chevrolet C10 Suburban Scottsdale, Silverado
1981 Chevrolet G10 Bonaventure
1975 - 1981 Chevrolet G10 Chevy Van, Beauville, Sportvan
1964 - 1974 Chevrolet G10 Van Base
1968 - 1974 Chevrolet G10 Van Sportvan
1975 - 1980 Chevrolet K10 Custom Deluxe
1981 Chevrolet K10 Deluxe, Custom
1975 - 1981 Chevrolet K10 Scottsdale, Silverado, Cheyenne
1964 - 1974 Chevrolet K10 Pickup Base
1967 - 1974 Chevrolet K10 Suburban Base
1981 - 1982 Chevrolet K10 Suburban Custom
1975 - 1980 Chevrolet K10 Suburban Custom Deluxe
1981 Chevrolet K10 Suburban Deluxe
1975 - 1982 Chevrolet K10 Suburban Silverado, Scottsdale
1976 Chevrolet K5 Blazer Base
1975 - 1980 Chevrolet K5 Blazer Custom Deluxe, Cheyenne
1981 Chevrolet K5 Blazer Custom, Deluxe
1978 - 1981 Chevrolet K5 Blazer Silverado
1965 - 1966 Chevrolet Suburban Base
1977 - 1978 GMC C15 Heavy Half
1977 GMC C15 Indy Hauler
1975 - 1978 GMC C15 Sierra Grande, Base, Sierra Classic, High Sierra
1978 GMC C15 Street Coupe
1975 - 1978 GMC C15 Suburban Base, High Sierra, Sierra Grande, Sierra Classic
1967 - 1974 GMC C15/C1500 Pickup Base
1967 - 1974 GMC C15/C1500 Suburban Base
1979 - 1980 GMC C1500 Heavy Half
1979 - 1982 GMC C1500 Sierra Grande, Street Coupe, Sierra Classic, High Sierra, Base
1979 - 1981 GMC C1500 Suburban Sierra Grande, Base, Sierra Classic, High Sierra
1967 GMC C25/C2500 Suburban Base
1975 - 1978 GMC G15 Rally, Rally STX, Vandura
1967 - 1971 GMC G15/G1500 Van Base
1968 - 1974 GMC G15/G1500 Van Rally, Vandura
1979 - 1981 GMC G1500 Rally STX, Rally, Vandura
1970 - 1981 GMC Jimmy Base
1975 - 1981 GMC Jimmy Sierra Grande, Sierra Classic, High Sierra
1978 - 1981 GMC Jimmy Street Coupe
1975 - 1978 GMC K15 Base, Sierra Classic, High Sierra, Sierra Grande
1977 GMC K15 Indy Hauler
1975 - 1978 GMC K15 Suburban High Sierra, Sierra Grande, Base, Sierra Classic
1966 - 1974 GMC K15/K1500 Pickup Base
1967 - 1974 GMC K15/K1500 Suburban Base
1979 - 1982 GMC K1500 Sierra Grande, High Sierra, Base, Sierra Classic
1979 - 1982 GMC K1500 Suburban Base, High Sierra, Sierra Classic, Sierra Grande
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Vehicle fitment