# KYB SM5548 Spring Seat Insulator for 2004–2007 Buick Rainier ### Performance Overview KYB Spring Seat Insulators are specially designed to reduce noise and vibration that worn parts can transmit into the vehicle. KYB is a worldwide leading supplier of shocks and struts to new vehicle manufacturers. World-Class engineering and quality have made KYB the original equipment shocks for Lexus, Toyota, Saturn, Infiniti, Chrysler, and Ford. Their products are made from the highest quality materials, and guarantee to deliver superior handling, comfort, and control. ### Key Features - Part Number: SM5548 - Product Type: Spring Seat Insulator ### Vehicle Fitment Table Year Make Model Position Fitment Precision Note 2004 Buick Rainier 2005 Buick Rainier 2006 Buick Rainier 2007 Buick Rainier 2003 Chevrolet SSR 2004 Chevrolet SSR 2005 Chevrolet SSR 2006 Chevrolet SSR 2002 Chevrolet Trailblazer 2003 Chevrolet Trailblazer 2004 Chevrolet Trailblazer 2005 Chevrolet Trailblazer 2006 Chevrolet Trailblazer 2007 Chevrolet Trailblazer 2008 Chevrolet Trailblazer 2009 Chevrolet Trailblazer 2002 Chevrolet Trailblazer EXT 2003 Chevrolet Trailblazer EXT 2004 Chevrolet Trailblazer EXT 2005 Chevrolet Trailblazer EXT 2006 Chevrolet Trailblazer EXT 2002 GMC Envoy 2003 GMC Envoy 2004 GMC Envoy 2005 GMC Envoy 2006 GMC Envoy 2007 GMC Envoy 2008 GMC Envoy 2009 GMC Envoy 2002 GMC Envoy XL 2003 GMC Envoy XL 2004 GMC Envoy XL 2005 GMC Envoy XL 2006 GMC Envoy XL 2004 GMC Envoy XUV 2005 GMC Envoy XUV 2003 Isuzu Ascender 2004 Isuzu Ascender 2005 Isuzu Ascender 2006 Isuzu Ascender 2007 Isuzu Ascender 2008 Isuzu Ascender 2002 Oldsmobile Bravada 2003 Oldsmobile Bravada 2004 Oldsmobile Bravada 2005 Saab 9-7X 2006 Saab 9-7X 2007 Saab 9-7X 2008 Saab 9-7X 2009 Saab 9-7X ### FAQ **Will this fit my vehicle?** Please verify your year, make, model, position, and any fitment notes using the compatibility table above before purchase. **What part number is this?** The listed part number is SM5548. **Is this product designed for direct replacement?** Yes. This product is intended to match the compatible vehicle applications listed in the fitment table. **Should I confirm fitment before ordering?** Yes. Always compare your original part, position, and vehicle details with the fitment table before ordering. ### Common Searches - Spring Seat Insulator for Buick Rainier - SM5548 fitment - KYB Spring Seat Insulator - 2004–2007 Buick Rainier Spring Seat Insulator - KYB SM5548 replacement ## Details - **Price:** 20.93 CAD - **Vendor:** KYB - **Type:** Spring Seat Insulator - **Tags:** 2002–2004 Oldsmobile Bravada, 2002–2006 Chevrolet Trailblazer EXT, 2002–2006 GMC Envoy XL, 2002–2009 Chevrolet Trailblazer, 2002–2009 GMC Envoy, 2003–2006 Chevrolet SSR, 2003–2008 Isuzu Ascender, 2004–2005 GMC Envoy XUV, 2004–2007 Buick Rainier, 2005–2009 Saab 9-7X, KYB, SM5548, Spring Seat Insulator ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 20.93 CAD | In stock | ## Images - KYB SM5548 Spring Seat Insulator for 2004–2007 Buick Rainier --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/kyb-spring-seat-sm5548) > Updated: 2026-07-17