# GMB 421-9540 Timing Belt Tensioner for 1998-2010 Chevy Astra ### Features - Designed to deliver trouble-free, consistent performance - Right for your vehicle and lifestyle - Made from high-quality materials for ultimate durability - Manufactured to meet or exceed strict quality requirements ### Product Details Timing Belt Tensioner (421-9540) by GMB®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading materials using up-to-date equipment, it ensures everlasting reliability and enduring value. This product is distinguished by total quality assurance, unsurpassed by anybody else. Brand: GMB Part Number: 421-9540 UPC: 083286113152 Alternate MPN: 4219540 ### Vehicle Fitment Table Year Make Model Position Fitment Precision Note 2001 Chevy Astra 2002 Chevy Astra 2003 Chevy Astra 2004 Chevy Astra 2005 Chevy Astra 2006 Chevy Astra 2004 Chevy Optra 2005 Chevy Optra 2006 Chevy Optra 2007 Chevy Optra 2008 Chevy Optra 2009 Chevy Optra 2010 Chevy Optra 1999 Daewoo Leganza 2000 Daewoo Leganza 2001 Daewoo Leganza 2002 Daewoo Leganza 1999 Daewoo Nubira 2000 Daewoo Nubira 2001 Daewoo Nubira 2002 Daewoo Nubira 1998 Isuzu Amigo 1999 Isuzu Amigo 2000 Isuzu Amigo 1998 Isuzu Rodeo 1999 Isuzu Rodeo 2000 Isuzu Rodeo 2001 Isuzu Rodeo 2002 Isuzu Rodeo 2003 Isuzu Rodeo 2004 Suzuki Forenza 2005 Suzuki Forenza 2006 Suzuki Forenza 2007 Suzuki Forenza 2008 Suzuki Forenza 2005 Suzuki Reno 2006 Suzuki Reno 2007 Suzuki Reno 2008 Suzuki Reno ### 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 421-9540. **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 - Timing Belt Tensioner for Chevy Astra - 421-9540 fitment - GMB Timing Belt Tensioner - 2001 Chevy Astra Timing Belt Tensioner ## Details - **Price:** 28.0 CAD - **Vendor:** GMB - **Type:** Timing Belt Tensioner - **Tags:** 1998-2000 Isuzu Amigo, 1998-2003 Isuzu Rodeo, 1999-2002 Daewoo Leganza, 1999-2002 Daewoo Nubira, 2001-2006 Chevy Astra, 2004-2008 Suzuki Forenza, 2004-2010 Chevy Optra, 2005-2008 Suzuki Reno, 421-9540, Automotive, GMB, Timing Belt Tensioner ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 28.00 CAD | In stock | ## Images - GMB 421-9540 Timing Belt Tensioner for 1998-2010 Chevy Astra --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/gmb-421-9540-timing-belt-tensioner) > Updated: 2026-08-11