{"product_id":"wagner-brake-z973-parking-brake-shoe-rear","title":"Wagner Brake Z973 Parking Brake Shoe - Rear","description":"\u003ch2\u003eWagner Z973 Parking Brake Shoe\u003c\/h2\u003e\u003cp\u003eThe Wagner Z973 parking brake shoe is built for rear drum parking brake applications that call for OE-matched friction and precise drum contact. It is a fitment-focused replacement for Chevrolet Express 3500 and GMC Savana 3500 models, with additional coverage for select GMC Sierra HD and Savana 3500 configurations.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOE-matched friction material for consistent parking brake performance\u003c\/li\u003e\n\u003cli\u003ePrecision-ground construction to improve friction-to-drum contact\u003c\/li\u003e\n\u003cli\u003e9.000-inch brake drum diameter\u003c\/li\u003e\n\u003cli\u003e1.960-inch brake shoe width\u003c\/li\u003e\n\u003cli\u003eFMSI number 1640-S973; FMSI lining 1640 and steel S973\u003c\/li\u003e\n\u003cli\u003ePrimary friction material thickness: 0.150\u003c\/li\u003e\n\u003cli\u003eRear parking brake shoe for drum-style parking brake systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eWagner Brake Z973 is a rear parking brake shoe engineered around the dimensions and friction profile needed for specific GM full-size van and truck applications. The OE-matched friction material helps maintain predictable engagement, while the precision-ground surface supports even contact inside the drum. This part number is commonly searched for Chevrolet Express 3500 rear parking brake shoe and GMC Savana 3500 rear parking brake shoe replacement needs, as well as select GMC Sierra 2500 HD and Sierra 3500 HD rear applications.\u003c\/p\u003e\u003cp\u003eThis part cross-references GM OE numbers 20778485 and 23380398 for the same application. Wagner Z973 is the part number to reference when matching the correct rear parking brake shoe for the listed vehicles.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWeak or inconsistent parking brake hold\u003c\/li\u003e\n\u003cli\u003eParking brake shoe wear from drum contact\u003c\/li\u003e\n\u003cli\u003eUneven braking feel in rear drum parking brake systems\u003c\/li\u003e\n\u003cli\u003eNoisy or rough parking brake engagement caused by worn friction surfaces\u003c\/li\u003e\n\u003cli\u003eService replacement needs on GM Express, Savana, and Sierra rear parking brake assemblies\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2021 Chevrolet Express 3500, rear.\u003c\/li\u003e\n\u003cli\u003eFits 2018-2019 Chevrolet Express 3500, rear, with Dual Rear Wheels (DRW); Wagner.\u003c\/li\u003e\n\u003cli\u003eFits 2008-2017 Chevrolet Express 3500, rear, Dual Rear Wheels; Wagner.\u003c\/li\u003e\n\u003cli\u003eFits 2021 GMC Savana 3500, rear.\u003c\/li\u003e\n\u003cli\u003eFits 2014-2019 GMC Savana 3500, rear, Except Vehicle Stability Control; Wagner.\u003c\/li\u003e\n\u003cli\u003eFits 2011-2013 GMC Savana 3500, rear, Wagner.\u003c\/li\u003e\n\u003cli\u003eFits 2009 GMC Savana 3500, rear, Wagner.\u003c\/li\u003e\n\u003cli\u003eFits 2008 GMC Savana 3500, rear, Except 10000 (lb) GVW; Wagner.\u003c\/li\u003e\n\u003cli\u003eFits 2011-2013 GMC Sierra 2500 HD, rear, Wagner.\u003c\/li\u003e\n\u003cli\u003eFits 2011-2013 GMC Sierra 3500 HD, rear, Wagner.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eConfirm the 9.000-inch drum diameter, 1.960-inch shoe width, and FMSI 1640-S973 match the existing parking brake hardware before installation. Inspect the drum surface, backing plate contact points, and related parking brake components for wear before reassembly. For best results, replace shoes in axle pairs and verify proper adjustment after installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eWagner Brake uses OE-matched friction materials and precision-ground manufacturing methods to support consistent fit and braking contact. Part number Z973 is built to the listed dimensions and application data for accurate service replacement on the specified GM vehicles.\u003c\/p\u003e","brand":"Wagner Brake","offers":[{"title":"Default Title","offer_id":52409507676341,"sku":"BCSJ-Z973","price":39.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/WB_Z973_Top.jpg?v=1777781830","url":"https:\/\/www.partcatalog.com\/products\/wagner-brake-z973-parking-brake-shoe-rear","provider":"PartCatalog","version":"1.0","type":"link"}