Centric 123.68001 Brake Drum - Rear

Centric C-TEK Brake Drum for Rear Applications

Centric 123.68001 is a C-TEK Standard Brake Drum built for rear brake service on select Jeep and Chevrolet heavy-duty applications. It combines the core dimensions needed for proper drum brake operation with a straightforward replacement design for maintenance and repair work.

Key Features

• Part number 123.68001 from Centric C-TEK Standard Brake Drums
• Nominal drum diameter: 12.000 in. / 304.800 mm
• Maximum brake diameter (discard): 12.090 in. / 307.100 mm
• Outside diameter: 13.980 in. / 355.092 mm
• Friction surface width: 2.880 in. / 73.152 mm
• Height: 5.330 in. / 135.382 mm
• Bolt hole quantity: 8 with 6.500 in. / 165.100 mm bolt circle diameter
• Hub hole/register: 4.600 in. / 116.840 mm
• Floating mounting type with no outer cooling fins

Product Details

The Centric C-TEK Standard Brake Drums line focuses on replacement parts that carry many of the practical features found in premium brake components. This drum is built around the listed dimensions for accurate rear brake fitment and consistent contact with the brake shoes. For shoppers searching for a rear brake drum for 1974-1988 Jeep J20 or a rear brake drum for 1971-1972 Chevrolet C20 Suburban, Centric 123.68001 provides the dimensional match needed for service work. It also fits 1971 Chevrolet K20 Suburban, rear, Dana RA; C-TEK Standard Brake Drums.

This part cross-references Anchor 8911 and Four Seasons 2071R for the same application.

Common Repair Uses

• Rear brake drum replacement for worn or out-of-spec drum surfaces
• Correction of brake pulsation caused by drum wear or scoring
• Service for rear drum brake noise related to uneven friction surfaces
• Restoration of proper shoe-to-drum contact on heavy-duty rear brake systems
• Replacement after the drum reaches maximum discard diameter

Installation Notes

Verify the drum diameter, bolt circle, hub register, and mounting style against the vehicle before installation. Measure the existing drum and compare it to the maximum brake diameter discard specification of 12.090 in. / 307.100 mm. Confirm rear axle and brake configuration on Jeep J20 and Chevrolet C20 Suburban or K20 Suburban applications before final assembly.

Quality Assurance

Centric positions the C-TEK Standard Brake Drums line as a practical replacement option with features and benefits associated with premium replacement brake parts. Part number 123.68001 is built to the listed specifications for dimensional accuracy and service replacement use.