{"product_id":"dorman-w120343-drum-brake-wheel-cylinder","title":"Dorman W120343 Drum Brake Wheel Cylinder - Rear","description":"\u003ch2\u003eReliable Drum Brake Wheel Cylinder for Nissan and Infiniti Vehicles\u003c\/h2\u003e\u003cp\u003eThe Dorman W120343 drum brake wheel cylinder is engineered to restore proper braking function for select Nissan and Infiniti models. Designed with precision, this component ensures consistent hydraulic pressure for safe and effective braking performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIncludes bleeder screw for easy brake system bleeding\u003c\/li\u003e\n\u003cli\u003eBrake line inlet thread diameter: 10 mm\u003c\/li\u003e\n\u003cli\u003eBrake component inlet thread size: M10 x 1.0 with 1.0 thread pitch\u003c\/li\u003e\n\u003cli\u003eDurable aluminum casting material for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eBore diameter of 0.813 inches for accurate fitment\u003c\/li\u003e\n\u003cli\u003ePackage contains one drum brake wheel cylinder\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Compatibility\u003c\/h2\u003e\u003cp\u003eThe Dorman W120343 wheel cylinder is specifically designed for front drum brake applications on Nissan D21, Frontier, Pathfinder, Pickup, and Infiniti QX4 models. Its aluminum casting provides a lightweight yet durable construction that resists corrosion and wear. The bore diameter of 0.813 inches ensures proper piston movement within the cylinder, maintaining hydraulic pressure for effective braking. The included bleeder screw simplifies brake fluid bleeding during installation or maintenance, although a bleeder screw cap is not included. Thread specifications of M10 x 1.0 with a 1.0 pitch match the brake line inlet for secure connections.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores braking performance when wheel cylinder leaks brake fluid\u003c\/li\u003e\n\u003cli\u003eEliminates spongy or soft brake pedal caused by faulty wheel cylinders\u003c\/li\u003e\n\u003cli\u003eReplaces seized or sticking pistons that impair brake function\u003c\/li\u003e\n\u003cli\u003eAddresses uneven brake wear due to inconsistent hydraulic pressure\u003c\/li\u003e\n\u003cli\u003ePrevents brake fluid contamination and corrosion within the drum brake system\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman W120343 drum brake wheel cylinder, ensure the brake system is properly bled using the included bleeder screw to remove air pockets. Verify thread compatibility with the brake line inlet (M10 x 1.0) before installation. Use appropriate brake fluid and follow manufacturer torque specifications to avoid damage. Inspect related brake components such as shoes and drums for wear during replacement to maintain overall braking system integrity.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman manufactures the W120343 wheel cylinder to meet or exceed OEM specifications for fit, form, and function. The aluminum casting material offers corrosion resistance for extended service life. This part is backed by Dorman's standard warranty coverage, providing confidence in its durability and performance for Nissan and Infiniti drum brake systems.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43795558727861,"sku":"BKKX-W120343","price":30.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DB_W120343_Fro.jpg?v=1774997947","url":"https:\/\/www.partcatalog.com\/products\/dorman-w120343-drum-brake-wheel-cylinder","provider":"PartCatalog","version":"1.0","type":"link"}