{"product_id":"dorman-918-190-engine-variable-valve-timing-vvt-sprocket","title":"Dorman 918-190 Engine Variable Valve Timing (VVT) Sprocket","description":"\u003ch2\u003eOverview of Dorman 918-190 Engine Variable Valve Timing Sprocket\u003c\/h2\u003e\u003cp\u003eThe Dorman 918-190 Engine Variable Valve Timing (VVT) Sprocket is designed as a standard replacement component for select Buick, Chevrolet, Pontiac, and Saturn vehicles. Engineered from durable metal with a silver finish, this cam phaser helps maintain precise valve timing for optimal engine performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from high-quality metal for durability\u003c\/li\u003e\n\u003cli\u003eSilver color for corrosion resistance and visual inspection\u003c\/li\u003e\n\u003cli\u003eBolt attachment type (bolt not included)\u003c\/li\u003e\n\u003cli\u003eDiameter of 4.75 inches and overall height of 2.87 inches\u003c\/li\u003e\n\u003cli\u003eStandard replacement grade for reliable function\u003c\/li\u003e\n\u003cli\u003eIncludes one cam phaser in the package\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 918-190 VVT sprocket is a critical component in the variable valve timing system, responsible for adjusting camshaft timing to improve engine efficiency and emissions. With a diameter of 4.75 inches and an overall height of 2.87 inches, this metal sprocket is designed to meet OEM specifications for a precise fit. The bolt attachment type ensures secure installation, although bolts are not included. Its silver finish provides resistance to wear and corrosion, extending the service life of the part.\u003c\/p\u003e\u003cp\u003eThis part is compatible with a range of vehicles including Buick Lucerne, Chevrolet Impala, Malibu, Monte Carlo, Pontiac G6, Saturn Aura, Relay, Vue, Montana, Terraza, and Uplander models. The Dorman 918-190 is engineered to restore proper valve timing function in these vehicles, helping maintain engine performance and fuel efficiency.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper camshaft timing in VVT systems\u003c\/li\u003e\n\u003cli\u003eReplaces worn or damaged cam phasers causing engine performance issues\u003c\/li\u003e\n\u003cli\u003eHelps resolve rough idling or engine hesitation related to valve timing\u003c\/li\u003e\n\u003cli\u003eAddresses check engine light codes related to VVT sprocket malfunction\u003c\/li\u003e\n\u003cli\u003eImproves fuel economy by ensuring accurate valve timing adjustments\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure compatibility with your specific Buick, Chevrolet, Pontiac, or Saturn model before installation\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools to remove and install the sprocket securely using bolts (not included)\u003c\/li\u003e\n\u003cli\u003eFollow manufacturer torque specifications for bolt tightening\u003c\/li\u003e\n\u003cli\u003eInspect related components such as timing chains and tensioners during installation\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended for accurate timing system calibration\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM standards for fit and function. The 918-190 VVT sprocket is a standard replacement grade component designed for reliable operation. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to Dorman’s official warranty policy for complete information.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44331330109621,"sku":"BKKY-918-190","price":233.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_918190_Fro_68eb6536-fdfc-4982-99d4-3a79c9cf1536.jpg?v=1775012413","url":"https:\/\/www.partcatalog.com\/products\/dorman-918-190-engine-variable-valve-timing-vvt-sprocket","provider":"PartCatalog","version":"1.0","type":"link"}