Yukon Gear Hardcore Diff Cover for 8.5inch GM Rear w/ 5/16inch Cover Bolts

2025-12-19T06:54:00-07:00

Vendor: Yukon Gear & Axle
Type: Diff Covers
Price: 274.89

A differential cover is more than just protection—it’s the backbone of your axle housing. The Yukon Gear rear nodular iron cover for GM 8.5" is engineered to deliver rugged strength and reliability, ensuring your gears stay protected under heavy torque and demanding conditions.

This differential cover is made from nodular iron, a material known for its toughness and resistance to cracking. Finished in black, it adds a clean, aggressive look while resisting corrosion. With a filler plug included and mounting bolts provided, installation is straightforward and maintenance is simplified.

Whether you’re restoring a GM classic or upgrading for durability, the Yukon Gear nodular iron differential cover provides OEM‑quality fitment and long‑lasting performance.

Features and Benefits

Nodular iron construction – Provides superior strength and impact resistance compared to standard cast covers.

Black finish – Adds corrosion resistance and a sleek appearance.

Filler plug included – Simplifies fluid checks and maintenance.

Mounting bolts included – Ensures hassle‑free installation.

Direct fit for GM 8.5" axles – Designed for 5/16" cover bolts with OEM‑quality compatibility.

Built for GM Strength

This differential cover is purpose‑built for GM 8.5" axles, combining nodular iron toughness with functional design to keep your driveline strong and dependable mile after mile.

Specifications

Specification | Detail
Part Number | yukYHCC-GM8.5-S
Title | Yukon Gear rear nodular iron cover for GM 8.5"
Description | Rear nodular iron cover for 8.5" GM with 5/16" cover bolts
Material | Nodular iron
Finish | Black
Position | Rear
Cover Bolt Hole Quantity | 10
Ring Gear Bolt Quantity | 10
Carrier Main Cap Support | No
Filler Plug Included | Yes
Gasket or Seal Included | No
Mounting Bolts Included | Yes
Package UOM | EA (each)
Selling Package Quantity | 1
CA Proposition 65 | No / Not applicable

Installation Instructions

This Part Fits:

Year | Make | Model | Submodel
1999-2000,2002 | Cadillac | Escalade | Base
2002 | Cadillac | Escalade EXT | Base
2002 | Chevrolet | Avalanche 1500 | Base
2002 | Chevrolet | Avalanche 1500 | North Face
2002 | Chevrolet | Avalanche 1500 | On Road Edition
2002 | Chevrolet | Avalanche 1500 | Z71
1972-1974,1994-1999 | Chevrolet | Blazer | Base
1992-1993 | Chevrolet | Blazer | Cheyenne
1987 | Chevrolet | Blazer | Custom Deluxe
1996-2002 | Chevrolet | Blazer | LS
1995-2001 | Chevrolet | Blazer | LT
1988-1991 | Chevrolet | Blazer | Scottsdale
1987-1994 | Chevrolet | Blazer | Silverado
1994 | Chevrolet | Blazer | Silverado Sport
1999-2001 | Chevrolet | Blazer | Trailblazer
2001-2002 | Chevrolet | Blazer | Xtreme
1978-1980 | Chevrolet | C10 | Big Ten
1975-1981 | Chevrolet | C10 | Cheyenne
1981-1986 | Chevrolet | C10 | Custom
1975-1980 | Chevrolet | C10 | Custom Deluxe
1981 | Chevrolet | C10 | Deluxe
1975-1986 | Chevrolet | C10 | Scottsdale
1975-1986 | Chevrolet | C10 | Silverado
1972-1974 | Chevrolet | C10 Pickup | Base
1972-1974 | Chevrolet | C10 Suburban | Base
1981-1986 | Chevrolet | C10 Suburban | Custom
1975-1980 | Chevrolet | C10 Suburban | Custom Deluxe
1981 | Chevrolet | C10 Suburban | Deluxe
1975-1980,1982,1984-1986 | Chevrolet | C10 Suburban | Scottsdale
1975-1980,1982-1986 | Chevrolet | C10 Suburban | Silverado
1990-1993 | Chevrolet | C1500 | 454 SS
1994-1997 | Chevrolet | C1500 | Base
1988-1998 | Chevrolet | C1500 | Cheyenne
1999 | Chevrolet | C1500 | LS
1988-1992 | Chevrolet | C1500 | Scottsdale
1988-1998 | Chevrolet | C1500 | Silverado
1990-1998 | Chevrolet | C1500 | WT
1992-1999 | Chevrolet | C1500 Suburban | Base
1995-1999 | Chevrolet | C1500 Suburban | LS
1995-1997,1999 | Chevrolet | C1500 Suburban | LT
1992-1994 | Chevrolet | C1500 Suburban | Silverado
1975-1977,1979-1980,1982-1986 | Chevrolet | C20 Suburban | Silverado
1992-1994 | Chevrolet | C2500 Suburban | Silverado
1972-1987 | Chevrolet | El Camino | Base
1975-1977 | Chevrolet | El Camino | Classic
1977-1978,1981-1986 | Chevrolet | El Camino | Conquista
1972-1974 | Chevrolet | El Camino | Custom
1979-1981 | Chevrolet | El Camino | Royal Knight
1972-1987 | Chevrolet | El Camino | SS
1996-2002 | Chevrolet | Express 1500 | Base
1996-2002 | Chevrolet | Express 1500 | LS
2001-2002 | Chevrolet | Express 1500 | LT
1983 | Chevrolet | G10 | Base
1975-1995 | Chevrolet | G10 | Beauville
1981-1984,1986-1987 | Chevrolet | G10 | Bonaventure
1975-1995 | Chevrolet | G10 | Chevy Van
1975-1995 | Chevrolet | G10 | Sportvan
1972-1974 | Chevrolet | G10 Van | Base
1972-1974 | Chevrolet | G10 Van | Sportvan
1975-1981 | Chevrolet | K10 | Cheyenne
1981-1986 | Chevrolet | K10 | Custom
1975-1980 | Chevrolet | K10 | Custom Deluxe
1981 | Chevrolet | K10 | Deluxe
1975-1986 | Chevrolet | K10 | Scottsdale
1975-1986 | Chevrolet | K10 | Silverado
1972-1974 | Chevrolet | K10 Pickup | Base
1972-1974 | Chevrolet | K10 Suburban | Base
1981-1986 | Chevrolet | K10 Suburban | Custom
1975-1980 | Chevrolet | K10 Suburban | Custom Deluxe
1981 | Chevrolet | K10 Suburban | Deluxe
1975-1980,1982,1984-1986 | Chevrolet | K10 Suburban | Scottsdale
1975-1977,1979-1980,1982-1983,1985-1986 | Chevrolet | K10 Suburban | Silverado
1994-1997 | Chevrolet | K1500 | Base
1988-1998 | Chevrolet | K1500 | Cheyenne
1999 | Chevrolet | K1500 | LS
1988-1992 | Chevrolet | K1500 | Scottsdale
1988-1998 | Chevrolet | K1500 | Silverado
1991 | Chevrolet | K1500 | Sport
1990-1998 | Chevrolet | K1500 | WT
1992-1999 | Chevrolet | K1500 Suburban | Base
1995-1999 | Chevrolet | K1500 Suburban | LS
1995-1997,1999 | Chevrolet | K1500 Suburban | LT
1992-1994 | Chevrolet | K1500 Suburban | Silverado
1975-1977,1979-1980,1982-1983,1985-1986 | Chevrolet | K20 Suburban | Silverado
1992-1994 | Chevrolet | K2500 Suburban | Silverado
1976 | Chevrolet | K5 Blazer | Base
1975-1980 | Chevrolet | K5 Blazer | Cheyenne
1981-1986 | Chevrolet | K5 Blazer | Custom
1975,1977-1980 | Chevrolet | K5 Blazer | Custom Deluxe
1981 | Chevrolet | K5 Blazer | Deluxe
1984 | Chevrolet | K5 Blazer | Scottsdale
1978,1980-1986 | Chevrolet | K5 Blazer | Silverado
1975-1980 | Chevrolet | P10 | Base
1975-1980 | Chevrolet | P10 | Step-Van
1972-1974 | Chevrolet | P10 Van | Base
1987 | Chevrolet | R10 | Custom Deluxe
1987 | Chevrolet | R10 | Scottsdale
1987 | Chevrolet | R10 | Silverado
1987 | Chevrolet | R10 Suburban | Custom Deluxe
1987-1988 | Chevrolet | R10 Suburban | Scottsdale
1987-1988 | Chevrolet | R10 Suburban | Silverado
1989-1991 | Chevrolet | R1500 Suburban | Scottsdale
1989-1991 | Chevrolet | R1500 Suburban | Silverado
1987-1988 | Chevrolet | R20 Suburban | Silverado
1989-1991 | Chevrolet | R2500 Suburban | Silverado
1999-2002 | Chevrolet | Silverado 1500 | Base
1999-2002 | Chevrolet | Silverado 1500 | LS
1999-2002 | Chevrolet | Silverado 1500 | LT
2002 | Chevrolet | Silverado 1500 | WT
2001-2002 | Chevrolet | Silverado 1500 HD | LS
2001-2002 | Chevrolet | Silverado 1500 HD | LT
1999-2002 | Chevrolet | Silverado 2500 | Base
1999-2002 | Chevrolet | Silverado 2500 | LS
1999-2002 | Chevrolet | Silverado 2500 | LT
2001-2002 | Chevrolet | Silverado 2500 HD | Base
2001-2002 | Chevrolet | Silverado 2500 HD | LS
2001-2002 | Chevrolet | Silverado 2500 HD | LT
2001-2002 | Chevrolet | Silverado 3500 | Base
2001-2002 | Chevrolet | Silverado 3500 | LS
2001-2002 | Chevrolet | Silverado 3500 | LT
2000-2001 | Chevrolet | Suburban 1500 | Base
2000-2002 | Chevrolet | Suburban 1500 | LS
2000-2002 | Chevrolet | Suburban 1500 | LT
2002 | Chevrolet | Suburban 1500 | Z71
1995-2001 | Chevrolet | Tahoe | Base
2000 | Chevrolet | Tahoe | Limited
1995-2002 | Chevrolet | Tahoe | LS
1995-2002 | Chevrolet | Tahoe | LT
2000,2002 | Chevrolet | Tahoe | Z71
1987 | Chevrolet | V10 | Custom Deluxe
1987 | Chevrolet | V10 | Scottsdale
1987 | Chevrolet | V10 | Silverado
1987 | Chevrolet | V10 Suburban | Custom Deluxe
1987-1988 | Chevrolet | V10 Suburban | Scottsdale
1987-1988 | Chevrolet | V10 Suburban | Silverado
1989-1991 | Chevrolet | V1500 Suburban | Scottsdale
1989-1991 | Chevrolet | V1500 Suburban | Silverado
1987-1988 | Chevrolet | V20 Suburban | Silverado
1989-1991 | Chevrolet | V2500 Suburban | Silverado
1975-1978 | GMC | C15 | Base
1977-1978 | GMC | C15 | Heavy Half
1975-1978 | GMC | C15 | High Sierra
1977 | GMC | C15 | Indy Hauler
1975-1978 | GMC | C15 | Sierra Classic
1975-1978 | GMC | C15 | Sierra Grande
1978 | GMC | C15 | Street Coupe
1975-1978 | GMC | C15 Suburban | Base
1975-1978 | GMC | C15 Suburban | High Sierra
1975-1978 | GMC | C15 Suburban | Sierra Classic
1975-1978 | GMC | C15 Suburban | Sierra Grande
1972-1974 | GMC | C15/C1500 Pickup | Base
1972-1974 | GMC | C15/C1500 Suburban | Base
1979-1986 | GMC | C1500 | Base
1979-1980 | GMC | C1500 | Heavy Half
1979-1986 | GMC | C1500 | High Sierra
1988-1993 | GMC | C1500 | Sierra
1979-1986 | GMC | C1500 | Sierra Classic
1979-1982 | GMC | C1500 | Sierra Grande
1997 | GMC | C1500 | Sierra GT
1994-1999 | GMC | C1500 | Sierra SL
1988-1999 | GMC | C1500 | Sierra SLE
1994-1999 | GMC | C1500 | Sierra SLT
1988-1993 | GMC | C1500 | Sierra SLX
1994-1998 | GMC | C1500 | Sierra Special
1979-1982 | GMC | C1500 | Street Coupe
1979-1986,1992-1999 | GMC | C1500 Suburban | Base
1979-1986 | GMC | C1500 Suburban | High Sierra
1979-1986 | GMC | C1500 Suburban | Sierra Classic
1979-1982 | GMC | C1500 Suburban | Sierra Grande
1992-1999 | GMC | C1500 Suburban | SLE
1995-1999 | GMC | C1500 Suburban | SLT
1975-1978 | GMC | G15 | Rally
1975-1978 | GMC | G15 | Rally STX
1975-1978 | GMC | G15 | Vandura
1979-1995 | GMC | G1500 | Rally
1983-1984 | GMC | G1500 | Rally Custom
1979-1995 | GMC | G1500 | Rally STX
1979-1995 | GMC | G1500 | Vandura
1972-1996 | GMC | Jimmy | Base
2000-2001 | GMC | Jimmy | Diamond Edition
1998-2000 | GMC | Jimmy | Envoy
1975-1985 | GMC | Jimmy | High Sierra
1975-1990 | GMC | Jimmy | Sierra Classic
1975-1982 | GMC | Jimmy | Sierra Grande
1995-1999,2001 | GMC | Jimmy | SL
1992-2001 | GMC | Jimmy | SLE
1993-2001 | GMC | Jimmy | SLS
1992-2001 | GMC | Jimmy | SLT
1978-1982 | GMC | Jimmy | Street Coupe
1975-1978 | GMC | K15 | Base
1975-1978 | GMC | K15 | High Sierra
1977 | GMC | K15 | Indy Hauler
1975-1978 | GMC | K15 | Sierra Classic
1975-1978 | GMC | K15 | Sierra Grande
1975-1978 | GMC | K15 Suburban | Base
1975-1978 | GMC | K15 Suburban | High Sierra
1975-1978 | GMC | K15 Suburban | Sierra Classic
1975-1978 | GMC | K15 Suburban | Sierra Grande
1972-1974 | GMC | K15/K1500 Pickup | Base
1979-1986 | GMC | K1500 | Base

REVIEWS

R.M.

Installed this Yukon nodular iron cover on my GM 8.5 axle. Fit was perfect, looks sharp in black, and feels tough enough for heavy use.

Ryan M.

Cincinnati, OH

★★★★★

K.H.

Great upgrade for my GM rear end. The nodular iron feels solid, and having the filler plug included makes maintenance easy.

Kevin H.

Dallas, TX

★★★★★