{"product_id":"gkn-loebro-306621-cv-joint-boot-kit-front-outer-or-front-right-outer","title":"GKN Loebro 306621 CV Joint Boot Kit - Front Outer or Front Right Outer","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eGKN Loebro 306621 is a standard replacement CV joint boot kit built for exact fit and reliable joint protection. It is engineered with TPE material and solid boot construction to match the original application requirements on select BMW driveline assemblies.\u003c\/p\u003e\u003cp\u003eFits 2022-2025 BMW M3, front right outer; fits 2022-2025 BMW M4, front right outer; fits 2019-2025 BMW M850i xDrive, front right outer; and additional BMW applications listed below. This part cross-references Dynomax 36442 for the same application.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eStandard replacement CV joint boot kit for driveline repair\u003c\/li\u003e\n\u003cli\u003eTPE boot material for application-specific fit and durability\u003c\/li\u003e\n\u003cli\u003eSolid boot design with black finish\u003c\/li\u003e\n\u003cli\u003eIncludes grease for service preparation\u003c\/li\u003e\n\u003cli\u003eBuilt with a 123 mm length, 3.425 in. joint end ID, and 1.023 in. shaft end ID\u003c\/li\u003e\n\u003cli\u003eGKN Loebro part number 306621\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eGKN Loebro 306621 is intended for BMW front outer CV joint service where the original boot has torn, slipped, or become porous. The boot kit is matched to the joint design, and the TPE construction is important when the original driveshaft uses a TPE boot. For BMW driveline repairs, correct material selection and exact fit are critical to protecting the joint from contamination and premature wear. The kit includes the service components needed for professional repair work, and the black solid boot design supports a clean OE-style replacement. GKN Loebro 306621 is listed across a wide range of BMW models, including 5 Series, 7 Series, 8 Series, M models, and Alpina applications.\u003c\/p\u003e\u003ch2\u003eCommon Repair Uses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores protection after a torn CV boot\u003c\/li\u003e\n\u003cli\u003eAddresses grease loss from a slipped boot\u003c\/li\u003e\n\u003cli\u003eHelps prevent contamination from a porous boot\u003c\/li\u003e\n\u003cli\u003eSupports repair of worn outer CV joint service points\u003c\/li\u003e\n\u003cli\u003eReplaces a damaged boot on BMW xDrive driveline assemblies\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify the joint end and shaft end dimensions before installation, and confirm the vehicle uses the TPE boot specification. This kit is listed for front right outer and front outer positions only, depending on application. Follow the vehicle service procedure for CV joint cleaning, boot placement, and clamp tension to ensure proper sealing.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eGKN Loebro is part of GKN Automotive, a global drive systems supplier with OE-quality boot kit engineering. The brand emphasizes exact fit and correct material selection for reliable joint protection in driveline service.\u003c\/p\u003e","brand":"GKN Loebro","offers":[{"title":"Default Title","offer_id":53540931600565,"sku":"JHGG-306621","price":44.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/GK_306621_Fro.jpg?v=1792216465","url":"https:\/\/www.partcatalog.com\/products\/gkn-loebro-306621-cv-joint-boot-kit-front-outer-or-front-right-outer","provider":"PartCatalog","version":"1.0","type":"link"}