{"product_id":"dorman-w37854-drum-brake-wheel-cylinder","title":"Dorman W37854 Drum Brake Wheel Cylinder - Rear","description":"\u003ch2\u003eReliable Drum Brake Wheel Cylinder for Chevrolet and GMC Vehicles\u003c\/h2\u003e\u003cp\u003eThe Dorman W37854 drum brake wheel cylinder is engineered to restore proper braking function in select Chevrolet and GMC models. Designed with durable cast iron and precise specifications, this wheel cylinder ensures consistent hydraulic pressure for safe and effective braking performance.\u003c\/p\u003e\u003ch2\u003eKey Features of the Dorman W37854 Wheel Cylinder\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eConstructed from cast iron for strength and durability\u003c\/li\u003e\n\u003cli\u003eIncludes bleeder screw for easy brake system bleeding\u003c\/li\u003e\n\u003cli\u003eBore diameter of 0.875 inches for accurate fitment\u003c\/li\u003e\n\u003cli\u003eBrake component inlet thread size: 3\/8-24 UNF\u003c\/li\u003e\n\u003cli\u003eThread diameter of 3\/8 inch for secure installation\u003c\/li\u003e\n\u003cli\u003ePackage contains one drum brake wheel cylinder\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman W37854 drum brake wheel cylinder is specifically designed for use in Chevrolet Astro, Blazer, S10, and Safari models, as well as GMC Jimmy and Sonoma vehicles. Its cast iron construction provides reliable resistance to wear and corrosion, maintaining brake system integrity over time. The included bleeder screw simplifies maintenance by allowing trapped air to be released from the brake hydraulics, ensuring consistent pedal feel and braking response. With a bore diameter of 0.875 inches and a 3\/8-24 UNF inlet thread size, this wheel cylinder matches OEM specifications for a precise fit and function.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores braking performance in drum brake systems on compatible Chevrolet and GMC models\u003c\/li\u003e\n\u003cli\u003eReplaces leaking or seized wheel cylinders causing brake fluid loss\u003c\/li\u003e\n\u003cli\u003eEliminates spongy or soft brake pedal feel due to hydraulic failure\u003c\/li\u003e\n\u003cli\u003ePrevents uneven brake shoe wear caused by malfunctioning wheel cylinders\u003c\/li\u003e\n\u003cli\u003eAddresses brake drag or sticking issues related to wheel cylinder piston problems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure compatibility with Chevrolet Astro, Blazer, S10, Safari and GMC Jimmy, Sonoma before installation\u003c\/li\u003e\n\u003cli\u003eUse the included bleeder screw to properly bleed the brake system after installation\u003c\/li\u003e\n\u003cli\u003eInspect brake shoes and hardware for wear during replacement\u003c\/li\u003e\n\u003cli\u003eFollow manufacturer torque specifications for inlet fittings and mounting bolts\u003c\/li\u003e\n\u003cli\u003eCheck for leaks and proper wheel cylinder operation before road testing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDorman manufactures the W37854 wheel cylinder to meet or exceed OEM standards for fit, form, and function. The cast iron construction and precise machining contribute to long service life and reliable braking performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship to provide confidence in product quality.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43795466256565,"sku":"BKKX-W37854","price":25.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_W37854_Fro.jpg?v=1774997906","url":"https:\/\/www.partcatalog.com\/products\/dorman-w37854-drum-brake-wheel-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}