# Westar ST-4941 Lower Coil Spring Insulator for 1999-2013 Buick Century Rear ### Features - Built to last from the best rubber - Designed to fit exactly as OEM mount fit - Coverage for most makes and models ### Product Details Rear Lower Coil Spring Insulator by Westar®. Quantity: 1 per Pack. Westar is a widely recognized manufacturer and exporter of rubber to metal bonded parts for all types of trucks and automobiles. Every single product goes through countless quality check, producing real-time pressure on components to ensure machine endurance, performance and absence of factory defects. Brand: Westar Part Number: ST-4941 UPC: 656591249412 Alternate MPN: ST4941 ### Vehicle Fitment Table Year Make Model Position Fitment Precision Note 1999 Buick Century Rear 2000 Buick Century Rear 2001 Buick Century Rear 2002 Buick Century Rear 2003 Buick Century Rear 2004 Buick Century Rear 2005 Buick Century Rear 1999 Buick Regal Rear 2000 Buick Regal Rear 2001 Buick Regal Rear 2002 Buick Regal Rear 2003 Buick Regal Rear 2004 Buick Regal Rear 2000 Chevy Impala Rear 2001 Chevy Impala Rear 2002 Chevy Impala Rear 2003 Chevy Impala Rear 2004 Chevy Impala Rear 2005 Chevy Impala Rear 2006 Chevy Impala Rear 2007 Chevy Impala Rear 2008 Chevy Impala Rear 2009 Chevy Impala Rear 2010 Chevy Impala Rear 2011 Chevy Impala Rear 2012 Chevy Impala Rear 2013 Chevy Impala Rear 2000 Chevy Monte Carlo Rear 2001 Chevy Monte Carlo Rear 2002 Chevy Monte Carlo Rear 2003 Chevy Monte Carlo Rear 2004 Chevy Monte Carlo Rear 2005 Chevy Monte Carlo Rear 2006 Chevy Monte Carlo Rear 2007 Chevy Monte Carlo Rear 1999 Pontiac Grand Prix Rear 2000 Pontiac Grand Prix Rear 2001 Pontiac Grand Prix Rear 2002 Pontiac Grand Prix Rear 2003 Pontiac Grand Prix Rear ### FAQ **Will this fit my vehicle?** Please verify your year, make, model, position, and any fitment notes using the Vehicle Fitment Table above before purchase. **What part number is this?** The listed part number is ST-4941. **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 - Lower Coil Spring Insulator for Buick Century - ST-4941 fitment - Westar Lower Coil Spring Insulator - Rear Lower Coil Spring Insulator - 1999 Buick Century Lower Coil Spring Insulator ## Details - **Price:** 6.86 CAD - **Vendor:** Westar - **Type:** Lower Coil Spring Insulator - **Tags:** 1999-2003 Pontiac Grand Prix, 1999-2004 Buick Regal, 1999-2005 Buick Century, 2000-2007 Chevy Monte Carlo, 2000-2013 Chevy Impala, Automotive, Lower Coil Spring Insulator, Rear, ST-4941, Westar ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 6.86 CAD | In stock | ## Images - Westar ST-4941 Lower Coil Spring Insulator for 1999-2013 Buick Century Rear --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/westar-st-4941-lower-coil-spring-insulator) > Updated: 2026-09-25