{"product_id":"dorman-930-621-wheel-bearing-and-hub-assembly","title":"Dorman 930-621 Wheel Bearing and Hub Assembly - Front or Rear","description":"\u003ch2\u003eReliable Wheel Bearing and Hub Assembly for GM Vehicles\u003c\/h2\u003e\u003cp\u003eThe Dorman 930-621 wheel bearing and hub assembly is engineered to meet the specific needs of select Buick, Chevrolet, Pontiac, and Saturn models. Designed for durability and precise fitment, this assembly supports smooth wheel rotation and integrates with your vehicle's anti-lock braking system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Buick Montana, Chevrolet Uplander, Pontiac Montana, Saturn Relay, and Terraza\u003c\/li\u003e\n\u003cli\u003eIncludes 6 wheel studs sized 12mm for secure wheel mounting\u003c\/li\u003e\n\u003cli\u003eEquipped with a 33-spline hub for reliable driveline connection\u003c\/li\u003e\n\u003cli\u003eFeatures a triangular flange shape with 3 bolt holes (0.4 inch diameter)\u003c\/li\u003e\n\u003cli\u003eAnti-lock braking system (ABS) sensor included with 1 male connector and 2 terminals\u003c\/li\u003e\n\u003cli\u003eWheel pilot diameter of 2.76 inches and brake pilot diameter of 3.6 inches for precise alignment\u003c\/li\u003e\n\u003cli\u003eFlange offset of 1.66 inches and bolt circle diameter of 4.52 inches\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dorman 930-621 hub assembly is designed with a 33-spline quantity to ensure a secure connection to the axle shaft. The assembly includes six 12mm wheel studs, which are pre-installed to facilitate straightforward wheel installation. The triangular flange shape with three bolt holes provides a stable mounting surface, while the flange diameter measures 4.53 inches. The hub pilot diameter of 2.78 inches and wheel pilot diameter of 2.76 inches help maintain proper wheel alignment and reduce vibration. This assembly also integrates an ABS sensor system with a male connector and two terminals, supporting your vehicle's safety features.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis wheel bearing and hub assembly is compatible with the following GM vehicles:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBuick Montana\u003c\/li\u003e\n\u003cli\u003eChevrolet Uplander\u003c\/li\u003e\n\u003cli\u003ePontiac Montana\u003c\/li\u003e\n\u003cli\u003eSaturn Relay\u003c\/li\u003e\n\u003cli\u003eSaturn Terraza\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is designed to replace worn or damaged wheel bearing and hub assemblies, restoring proper wheel function and ABS sensor operation.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Assembly\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWheel vibration or wobbling during driving\u003c\/li\u003e\n\u003cli\u003eUnusual noises such as grinding or humming from the wheel area\u003c\/li\u003e\n\u003cli\u003eABS warning light activation due to faulty sensor or hub\u003c\/li\u003e\n\u003cli\u003eLoose or damaged wheel studs affecting wheel security\u003c\/li\u003e\n\u003cli\u003eUneven brake wear caused by misaligned hub or bearing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eInstallation of the Dorman 930-621 wheel bearing and hub assembly requires proper tools and mechanical knowledge. Ensure the vehicle is securely lifted and supported before removing the old assembly. Verify that the ABS sensor connector is properly connected to avoid warning lights. Torque all flange bolts and wheel studs to manufacturer specifications. It is recommended to inspect related components such as brake rotors and calipers during installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 930-621 wheel bearing and hub assembly undergoes rigorous quality control to ensure durability and reliable performance. This product includes a limited warranty covering defects in material and workmanship, providing confidence in your replacement part.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44335362212021,"sku":"BKKY-930-621","price":133.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_930621_Fro.jpg?v=1775012966","url":"https:\/\/www.partcatalog.com\/products\/dorman-930-621-wheel-bearing-and-hub-assembly","provider":"PartCatalog","version":"1.0","type":"link"}