{"product_id":"raybestos-h438-drum-brake-adjusting-screw-spring","title":"Raybestos H438 Drum Brake Adjusting Screw Spring - Front or Rear","description":"\u003ch2\u003eDrum Brake Adjusting Screw Spring for Rear Service\u003c\/h2\u003e\u003cp\u003eRestore proper drum brake adjuster function with the Raybestos R-Line H438 drum brake adjusting screw spring. This replacement hardware is built for rear drum brake service on select Ford and Mazda applications, including Ford Ranger, Mustang, and Mazda B-Series models with 9-inch drum brakes.\u003c\/p\u003e\u003cp\u003eThe Raybestos R-Line line focuses on service-grade brake hardware for common repair needs. Part number H438 is a direct-fit drum brake adjusting screw spring for rear drum brake self-adjuster assemblies where the original spring has weakened, stretched, or failed.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRaybestos R-Line brake hardware for drum brake service\u003c\/li\u003e\n\u003cli\u003eDrum brake adjusting screw spring for rear applications\u003c\/li\u003e\n\u003cli\u003eFits select 9-inch drum brake setups\u003c\/li\u003e\n\u003cli\u003eDirect replacement part number H438\u003c\/li\u003e\n\u003cli\u003eCross-references Carlson H438 for the same application\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment Details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 1983-1994 Ford Ranger, rear; fits models with 9-inch drum brakes and compatible 9\" x 1 3\/4\" brake setups.\u003c\/li\u003e\n\u003cli\u003eFits 1994 Mazda B2300, rear; fits models with 9-inch drum brakes and compatible 9\" x 1 3\/4\" brake setups.\u003c\/li\u003e\n\u003cli\u003eFits 1994 Mazda B3000, rear; fits models with 9-inch drum brakes and compatible 9\" x 1 3\/4\" brake setups.\u003c\/li\u003e\n\u003cli\u003eFits 1994 Mazda B4000, rear; fits models with 9-inch drum brakes and compatible 9\" x 1 3\/4\" brake setups.\u003c\/li\u003e\n\u003cli\u003eFits 1979-1990 Ford Mustang, rear; fits models with 9-inch drum brakes.\u003c\/li\u003e\n\u003cli\u003eFits 1991-1993 Ford Mustang, rear; drum brake self-adjuster repair kit compatible with 9\" x 1 3\/4\" brakes.\u003c\/li\u003e\n\u003cli\u003eFits 1986-1992 Ford Aerostar, rear; fits models with 9-inch drum brakes.\u003c\/li\u003e\n\u003cli\u003eFits 1984-1990 Ford Bronco II, rear.\u003c\/li\u003e\n\u003cli\u003eFits 1980-1988 Ford Thunderbird, rear.\u003c\/li\u003e\n\u003cli\u003eFits 1980-1988 Mercury Cougar, rear.\u003c\/li\u003e\n\u003cli\u003eFits 1983-1986 Ford LTD, rear.\u003c\/li\u003e\n\u003cli\u003eFits 1979-1986 Mercury Capri, rear.\u003c\/li\u003e\n\u003cli\u003eFits 1983-1986 Mercury Marquis, rear.\u003c\/li\u003e\n\u003cli\u003eFits 1981-1983 Ford Fairmont, rear; with 9 in x 1-3\/4 in brakes or 10 in x 1-3\/4 in brakes.\u003c\/li\u003e\n\u003cli\u003eFits 1978-1983 Ford Fairmont, rear; fits models with 9-inch drum brakes.\u003c\/li\u003e\n\u003cli\u003eFits 1983 Ford Ranger, rear; drum brake self-adjuster repair kit compatible with 9\" x 1 3\/4\" brakes.\u003c\/li\u003e\n\u003cli\u003eFits 1981-1983 Mercury Zephyr, rear.\u003c\/li\u003e\n\u003cli\u003eFits 1978-1980 Ford Fairmont, rear; with 9 in x 1-3\/4 in brakes.\u003c\/li\u003e\n\u003cli\u003eFits 1971-1980 Ford Pinto, rear.\u003c\/li\u003e\n\u003cli\u003eFits 1975-1980 Mercury Bobcat, rear.\u003c\/li\u003e\n\u003cli\u003eFits 1978-1980 Mercury Zephyr, rear; fits models with 9-inch drum brakes.\u003c\/li\u003e\n\u003cli\u003eFits 1971-1973 Ford Pinto, front.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat This Part Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWeak or broken drum brake adjuster spring tension\u003c\/li\u003e\n\u003cli\u003eInconsistent self-adjuster operation in rear drum brakes\u003c\/li\u003e\n\u003cli\u003eBrake shoe adjustment issues after drum brake service\u003c\/li\u003e\n\u003cli\u003eNoisy or loose hardware in the adjuster assembly\u003c\/li\u003e\n\u003cli\u003eWear-related replacement during drum brake maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify drum size and brake configuration before ordering, especially on Ford Ranger, Ford Mustang, and Mazda B2300\/B3000\/B4000 applications. Match the spring to the existing self-adjuster layout and inspect related drum brake hardware for wear before reassembly. Confirm rear or front placement exactly as listed in the fitment data.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eRaybestos R-Line brake hardware is cataloged for service replacement use across a wide range of Ford and Mazda drum brake applications. Part number H438 is listed for direct interchange with Carlson H438 and is referenced for the same application coverage.\u003c\/p\u003e","brand":"Raybestos","offers":[{"title":"Default Title","offer_id":44425489088693,"sku":"BDBL-H438","price":26.11,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RS_H438_Fro.jpg?v=1775018566","url":"https:\/\/www.partcatalog.com\/products\/raybestos-h438-drum-brake-adjusting-screw-spring","provider":"PartCatalog","version":"1.0","type":"link"}