Restore the rear drum braking friction on your GM car, wagon, or minivan with the Wagner Brake Drum Brake Shoe Z636R. This rear drum brake shoe drops in as a direct-fit replacement across a wide range of GM cars and minivans, including the 1991-1999 Buick LeSabre, 1993-2003 Buick Century, 1995-2002 Chevrolet Cavalier, 1994-2001 Chevrolet Lumina, and 1992-2004 Oldsmobile Silhouette (engine: All) — see the Buyer's Guide tab for the full list of 23 applications.
- OE-matched friction: friction material matched to the original equipment for consistent, predictable braking.
- Precision-ground lining: the lining is precision-ground to maximize friction-to-drum contact.
- Organic, riveted construction: organic friction material riveted to the steel shoe, with a primary lining about 0.250 in thick.
- Application sizing: built for an 8.900 in drum diameter with a 1.772 in shoe width.
- Hardware not included: mounting hardware and attached parking-brake levers/pins are not included with this shoe.
This is a rear drum brake shoe. Worn or contaminated linings can show up as reduced drum braking, noise, or a low or soft pedal; if worn shoes are the cause, this replaces them. Package quantity is one, and the catalog lists one per application. For even, balanced braking it's best practice to service both sides of the axle together as a matched set. Country of origin: China.
Manufacturer part number Z636R · FMSI 1487-S636
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
Will the Z636R fit my vehicle?
It's a direct-fit rear drum brake shoe for many 1991-2004 GM cars and minivans, such as the Buick Century, Chevrolet Cavalier, and Oldsmobile Silhouette. Check the Buyer's Guide tab for all 23 applications.
Is mounting hardware or a parking-brake lever included?
No. The catalog lists mounting hardware as not included, with no parking-brake levers or pins on this shoe; source the correct hardware per the vehicle service procedure.
What friction material does it use?
It uses an organic friction material riveted to the steel shoe, with a primary lining about 0.250 in thick, precision-ground for solid friction-to-drum contact.
Is this a front or rear brake shoe?
It's a rear drum brake shoe, cataloged for the rear position on the listed applications.
How many do I need?
Package quantity is one, and the catalog lists one per application. For even braking, it's best to service both sides of the axle together as a matched set.