{"product_id":"susupaci-coil-spring-isolators-kit-for-jeep-grand-cherokee-wj-wg-1999-2004-8-piece-front-rear-upper-lower-oem-fit-durable-r","title":"SUSUPACI Coil Spring Isolators Kit for Jeep Grand Cherokee WJ\/WG 1999–2004 — 8‑Piece Front \u0026 Rear Upper\/Lower, OEM Fit \u0026 Durable R","description":"\u003cstrong\u003eHigh-quality 8-piece SUSUPACI coil spring isolators kit replaces worn front and rear upper and lower insulators on Jeep Grand Cherokee WJ\/WG (1999–2004) to reduce noise and restore suspension performance.\u003c\/strong\u003e\n\n\u003cp\u003eIf your Grand Cherokee is showing creaks, clunks, or a harsher ride, the rubber spring isolators that sit between coil springs and mounting points often wear out first. This SUSUPACI kit supplies all eight positions — front and rear, upper and lower — engineered to match OEM fit and restore proper spring alignment, load distribution, and dampening. Made from durable rubber with reinforced polyurethane layers, the parts resist aging, tearing, and corrosion for longer service life.\u003c\/p\u003e\n\n\u003ch3\u003eHow will these isolators change how my Jeep feels on the road?\u003c\/h3\u003e\n\u003cp\u003eWorn or missing insulators let metal contact metal and transmit road impacts into the cabin. Replacing them reduces vibration, softens harshness from bumps, and cuts suspension noise, making daily driving and off-road use quieter and more controlled.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReduces creaks and clunks caused by direct spring-to-mount contact.\u003c\/li\u003e\n  \u003cli\u003eImproves ride smoothness by absorbing small impacts and vibrations.\u003c\/li\u003e\n  \u003cli\u003eHelps maintain correct spring seating for predictable handling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these parts a direct replacement for my factory insulators?\u003c\/h3\u003e\n\u003cp\u003eYes — the SUSUPACI set is designed to meet OEM dimensions for Jeep Grand Cherokee WJ\/WG model years 1999 through 2004. Each piece corresponds to common factory part numbers so installation uses the same mounting locations without modification.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eComplete kit includes front upper, front lower, rear upper, and rear lower isolators (8 pieces).\u003c\/li\u003e\n  \u003cli\u003eDirect fit for part numbers K160040, K160041, K160061, K160042 and corresponding Mopar numbers.\u003c\/li\u003e\n  \u003cli\u003eNo cutting or custom adapters required for correct installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and durability can I expect from this kit?\u003c\/h3\u003e\n\u003cp\u003eThe isolators use high-grade rubber reinforced with polyurethane layers to resist cracking, abrasion, and deformation under load. The combination improves aging resistance and helps the components withstand repeated compression cycles from normal driving and towing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePremium rubber compound for flexibility and vibration damping.\u003c\/li\u003e\n  \u003cli\u003eReinforced polyurethane for higher pressure resistance and longer life.\u003c\/li\u003e\n  \u003cli\u003eBlack finish resists environmental exposure and road contaminants.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I know when to replace my coil spring insulators?\u003c\/h3\u003e\n\u003cp\u003eReplace isolators if you hear suspension noises, notice uneven ride height, or see visible wear or cracking on the mounts. Routine inspection during shock or spring service is recommended since degraded insulators accelerate other suspension wear.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCommon signs: squeaks, clunks, or a rougher-than-normal ride.\u003c\/li\u003e\n  \u003cli\u003eVisible damage: torn, flattened, or hard, brittle rubber surfaces.\u003c\/li\u003e\n  \u003cli\u003eReplace proactively during spring or strut maintenance to protect other components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The SUSUPACI 8-piece coil spring isolator kit is aimed at Jeep owners, DIY mechanics, and independent shops restoring ride quality on Grand Cherokee WJ\/WG models from 1999–2004. If you want a direct-fit, durable replacement to cut cabin noise, protect suspension parts, and return handling to expected levels without costly spring or strut replacement, this complete kit is a practical and economical solution. The parts come with a one-year warranty and are intended for owners who prioritize longevity and OEM-compatible fitment.\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: Will this kit fit my 2003 Jeep Grand Cherokee WJ?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The SUSUPACI 8-piece kit is designed for WJ\/WG models from 1999 through 2004 and matches OEM dimensions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I install these isolators without replacing springs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. They are direct-fit replacements intended to be installed with existing springs during routine suspension service.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SUSUPACI","offers":[{"title":"Default Title","offer_id":55171436085591,"sku":"B0F53YKYLX","price":100.64,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/susupaci-front-packaging-view_aa2e1f93-4549-417e-b140-725e8c23b76a.jpg?v=1790445181","url":"https:\/\/britishgarage.co.uk\/products\/susupaci-coil-spring-isolators-kit-for-jeep-grand-cherokee-wj-wg-1999-2004-8-piece-front-rear-upper-lower-oem-fit-durable-r","provider":"British Garage","version":"1.0","type":"link"}