{"product_id":"aa-ignition-front-wheel-hub-bearing-assembly-set-of-2-direct-fit-replacement-with-pre-greased-sealed-bearings-and-abs-sensor","title":"AA Ignition Front Wheel Hub \u0026 Bearing Assembly Set of 2 — Direct-Fit Replacement with Pre-Greased Sealed Bearings and ABS Sensor (","description":"\u003cp\u003e\u003cstrong\u003eAA Ignition front wheel bearing and hub assembly set of 2 is a direct-fit replacement designed to restore smooth wheel rotation, ABS sensing, and eliminate noise or play caused by a worn bearing.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your vehicle shows humming, grinding, vibration, or an ABS\/traction fault light, a failing wheel bearing and hub assembly is a common culprit. This pair matches OEM fitment for many Buick, Cadillac, Chevrolet and other GM models and includes pre-greased sealed bearings plus the integrated ABS sensor where applicable. Sold as a set of two for paired replacement, these units are engineered to install without modification and are backed by a lifetime warranty from AA Ignition.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles will these hub assemblies fit?\u003c\/h3\u003e\n\n\u003cp\u003eThese units are built to directly replace specific GM hub assemblies used across a number of Buick, Cadillac, Chevrolet, Oldsmobile, Pontiac and Saturn models. Compatibility is determined by matching the original part number or checking the full fitment chart for model years and variants.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDirect-fit examples: Buick Century (1997–2005), LaCrosse (2005–2009), LeSabre (2000–2005), Lucerne (2006–2011).\u003c\/li\u003e\n  \u003cli\u003eAlso fits Park Avenue, Regal, Rendezvous, Riviera, Terraza and many GM derivatives—confirm with original part number.\u003c\/li\u003e\n  \u003cli\u003eCross-references OEM numbers 513121, 513121AA and 12429203 for verification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this assembly restore wheel performance and safety?\u003c\/h3\u003e\n\n\u003cp\u003eThe hub assembly houses the wheel bearing and often the ABS tone ring or sensor, so replacing a worn unit removes excess play and rough surfaces that cause noise and vibration. With a sealed, pre-greased bearing and precision machined mounting surfaces, the replacement re-establishes correct wheel positioning and ABS signal reliability.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eSealed, pre-greased bearings for immediate installation and reduced maintenance.\u003c\/li\u003e\n  \u003cli\u003eIntegrated ABS sensor\/tone functionality where applicable to clear fault lights.\u003c\/li\u003e\n  \u003cli\u003ePrecision machined flange and mounting holes for tight, wobble-free fit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect during installation and maintenance?\u003c\/h3\u003e\n\n\u003cp\u003eInstallation is plug-and-play when matched to the correct vehicle and part number—no special machining or press work is required for a proper direct-fit replacement. For a reliable repair, replace assemblies in axle-matched pairs and torque the axle nut to factory specifications; always follow safety and alignment checks after replacement.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eSold as a pair to encourage balanced handling and uniform wear.\u003c\/li\u003e\n  \u003cli\u003eRecommended: replace both front hubs at once and torque to spec.\u003c\/li\u003e\n  \u003cli\u003eAfter installation: road test and verify ABS\/traction light behavior and wheel runout.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat warranty and quality assurances are included?\u003c\/h3\u003e\n\n\u003cp\u003eAlthough these are aftermarket parts and not original OEM units, they are manufactured to meet or exceed factory tolerances and come pre-lubricated and sealed for long service life. AA Ignition supports the product with a lifetime warranty—contact support for replacement if the assembly fails under normal use.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eBuilt to OEM-style dimensions and tolerance standards.\u003c\/li\u003e\n  \u003cli\u003eLifetime warranty provided by AA Ignition for peace of mind.\u003c\/li\u003e\n  \u003cli\u003eSold as Set of 2; recommended to replace both sides for consistency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? This hub and bearing set is aimed at DIY mechanics, independent repair shops, and owners of compatible GM vehicles looking for a cost-effective, reliable replacement for worn front wheel hub assemblies. If you need to eliminate noise, vibration, or ABS\/traction warnings and want a direct-fit part that installs without modification, matching your original part number to these cross-references will ensure correct fit and dependable performance.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this replace OEM part number 513121?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — this set cross-references OEM 513121, 513121AA and 12429203. Match your original number to confirm fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Should I replace one or both front hubs at the same time?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace both sides as a pair for balanced handling and consistent wear; the product is sold as a set of two.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AA Ignition","offers":[{"title":"Default Title","offer_id":48083868450974,"sku":"B083KNG5YM","price":82.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/aa-ignition-front-hub-assembly-front-view.jpg?v=1785837782","url":"https:\/\/northtrailauto.ca\/products\/aa-ignition-front-wheel-hub-bearing-assembly-set-of-2-direct-fit-replacement-with-pre-greased-sealed-bearings-and-abs-sensor","provider":"North Trail Auto","version":"1.0","type":"link"}