Wagner Brake Z977 Parking Brake Shoe - Rear
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Wagner Brake
 Wagner

Wagner Brake Z977 Parking Brake Shoe - Rear

Brand Wagner Brake Z977
Position Rear
FMSI Number 1638-s977
Brake Drum Diameter 7.980
Brake Shoe Width 0.787
FMSI Lining 1638
FMSI Steel S977
Primary Brake Shoe Friction Material Thickness 0.195
Product line Wagner
Fits Cadillac · 7 vehicles

OE-matched friction materials. Delivers consistent parking brake performance and drum contact.

Precision-ground materials. Maximizes friction-to-drum contact for reliable braking.

Parking brake shoe for disc brake and brake shoe applications.

Cross-references 20921108 and 25918077 for the same application. See all 2.

$34.50Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $34.50
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Parking Brake Shoe options

Wagner Z977 Parking Brake Shoe for Cadillac SRX

The Wagner Z977 parking brake shoe is built for rear brake service on select Cadillac SRX models from 2010-2016. It uses OE-matched friction material and precision-ground surfaces to promote consistent contact inside the drum.

Key Features

  • Parking brake shoe for rear applications
  • OE-matched friction material for predictable brake feel
  • Precision-ground construction to improve friction-to-drum contact
  • Brake drum diameter: 7.980 in.
  • Brake shoe width: 0.787 in.
  • Primary friction material thickness: 0.195 in.
  • FMSI number 1638-S977; FMSI lining 1638; FMSI steel S977

Detailed Description

Wagner Brake Z977 is a rear parking brake shoe for the 2010-2016 Cadillac SRX. The Wagner line focuses on OE-style fit and friction characteristics, and this shoe is built around matched friction materials and ground surfaces to help maintain even contact with the drum. For buyers searching for a rear parking brake shoe for Cadillac SRX 2010-2016, Wagner Z977 provides the key dimensions and lining identifiers needed for a direct application match.

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

What It Helps Address

  • Parking brake that does not hold the vehicle securely
  • Uneven or inconsistent rear parking brake engagement
  • Reduced friction contact inside the brake drum
  • Wear-related loss of parking brake effectiveness
  • Need for a rear parking brake shoe replacement on Cadillac SRX models

Installation Notes and Tips

Verify drum diameter, shoe width, and FMSI identifiers before installation. This rear parking brake shoe is listed for 2010-2016 Cadillac SRX, rear, and should be matched to the vehicle’s brake drum and parking brake hardware condition during service. Inspect the drum surface and related components for wear or scoring before reassembly.

Quality Assurance

Wagner Brake uses OE-matched friction materials and precision-ground components to support consistent brake performance and drum contact. Part number Z977 is identified by FMSI 1638-S977 for application verification.

Related reading

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2016CadillacSRXRearWagner
2015CadillacSRXRearWagner
2014CadillacSRXRearWagner
2013CadillacSRXRearWagner
2012CadillacSRXRearWagner
2011CadillacSRXRearWagner
2010CadillacSRXRearWagner
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
2092110825918077