Wagner Brake Z843 Parking Brake Shoe - Rear

Wagner Z843 Parking Brake Shoe

The Wagner Z843 parking brake shoe is built for rear brake service on select Jeep applications, including the Jeep Commander and Jeep Grand Cherokee. It uses OE-matched friction materials and precision-ground surfaces to help maintain consistent contact with the brake drum.

Key Features

• OE-matched friction material for brake performance aligned with original equipment standards
• Precision-ground construction to improve friction-to-drum contact
• Brake drum diameter: 8.060 in.
• Brake shoe width: 1.100 in.
• Primary friction material thickness: 0.170 in.
• FMSI number 1573-S843 for identification and catalog matching

Product Details

Wagner Brake positions the Wagner line as a direct-fit brake solution focused on consistent stopping performance and accurate fitment. The Z843 parking brake shoe is engineered for rear parking brake service and is listed for 2006-2010 Jeep Commander, rear, and 2005-2010 Jeep Grand Cherokee, rear. If you are searching for a rear parking brake shoe for Jeep Commander or a rear parking brake shoe for Jeep Grand Cherokee, the Wagner Z843 is the cataloged application.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Issues This Part Addresses

• Weak or inconsistent parking brake holding power
• Noise from worn parking brake shoe friction material
• Poor drum contact caused by worn or uneven shoe surfaces
• Parking brake performance loss on rear brake service
• Fitment concerns when replacing a worn OE-style parking brake shoe

Installation Notes and Tips

Confirm drum diameter, shoe width, and FMSI match before installation. Inspect the brake drum surface for scoring, heat spots, or excessive wear, since drum condition affects shoe contact and parking brake performance. Clean the backing plate and related contact points before assembly, and verify proper adjustment after installation.

Quality Assurance

Wagner Brake uses OE-matched friction materials and precision-ground components to support consistent brake drum contact and reliable rear parking brake service. The Z843 is identified by FMSI 1573-S843 for accurate parts lookup and application matching.