{"product_id":"dorman-300-702-vacuum-pump-pulley","title":"Dorman 300-702 Vacuum Pump Pulley","description":"\u003ch2\u003eOverview of Dorman Vacuum Pump Pulley 300-702\u003c\/h2\u003e\u003cp\u003eThe Dorman 300-702 vacuum pump pulley is designed for reliable performance in emission control systems. Engineered from durable steel with a smooth pulley surface, this component is compatible with various Chevrolet and GMC models, including Blazer, Tahoe, Yukon, and multiple Suburban and Express series trucks.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from high-quality steel (acero) for strength and durability\u003c\/li\u003e\n\u003cli\u003eBlack finish housing for corrosion resistance and long service life\u003c\/li\u003e\n\u003cli\u003eSmooth pulley type designed for serpentine belt systems\u003c\/li\u003e\n\u003cli\u003eOutside diameter measures 4.91 inches with a width of 0.98 inches\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade for direct fit and function\u003c\/li\u003e\n\u003cli\u003eIncludes one vacuum pump pulley per package\u003c\/li\u003e\n\u003cli\u003eCompatible with Chevrolet and GMC trucks and SUVs such as C1500, C2500, K1500, Savana 2500, and more\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 300-702 vacuum pump pulley is a standard replacement part crafted from steel to ensure durability under demanding engine conditions. Its black housing finish provides added protection against wear and environmental factors. Designed specifically for serpentine belt systems, the smooth pulley surface reduces belt wear and maintains consistent belt tension. With an outside diameter of 4.91 inches and a width of 0.98 inches, this pulley fits precisely on the vacuum pump assembly, ensuring optimal operation of the emission control vacuum system.\u003c\/p\u003e\u003cp\u003eThis part is compatible with a wide range of Chevrolet and GMC vehicles, including popular models like the Chevrolet Blazer, Tahoe, Yukon, and various C and K series trucks and Suburban variants. The Dorman 300-702 is engineered to meet OEM specifications, making it a reliable choice for maintaining proper vacuum pump function and emission control performance.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper vacuum pump operation in emission control systems\u003c\/li\u003e\n\u003cli\u003eEliminates belt slippage caused by worn or damaged pulleys\u003c\/li\u003e\n\u003cli\u003ePrevents vacuum leaks that can affect engine performance and emissions\u003c\/li\u003e\n\u003cli\u003eReplaces corroded or damaged pulleys to maintain system integrity\u003c\/li\u003e\n\u003cli\u003eSupports consistent serpentine belt routing and tension\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eInstallation hardware and instructions are not included; refer to vehicle service manual for guidance\u003c\/li\u003e\n\u003cli\u003eEnsure the serpentine belt is properly aligned on the smooth pulley surface to avoid premature wear\u003c\/li\u003e\n\u003cli\u003eInspect the vacuum pump and surrounding components for wear during installation\u003c\/li\u003e\n\u003cli\u003eVerify compatibility with your specific Chevrolet or GMC model before installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman vacuum pump pulleys are manufactured to meet or exceed OEM standards for fit, form, and function. The 300-702 part number is a standard replacement grade component designed for dependable service life. While installation hardware and instructions are not included, the product undergoes quality checks to ensure consistent performance. Warranty coverage details should be confirmed through the original purchase source or Dorman's official warranty policy.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43610890797237,"sku":"BKKY-300-702","price":106.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_300702_Fro_766662ef-2790-4d42-a61d-5f56b1547fc0.jpg?v=1774983365","url":"https:\/\/www.partcatalog.com\/products\/dorman-300-702-vacuum-pump-pulley","provider":"PartCatalog","version":"1.0","type":"link"}