HomeEngine > Gaskets and Sealing SystemsSKF 18509 Engine Timing Cover Seal
Part #: 18509

SKF 18509 Engine Timing Cover Seal

69 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet, GMC, Saab, Hummer, Isuzu, and Buick, Colorado, Canyon, Trailblazer, Envoy, 9-7x, H3, Ascender, and Rainier
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Reliable Engine Timing Cover Seal for Buick and Chevrolet Vehicles

The SKF 18509 engine timing cover seal is designed to provide a durable and precise sealing solution for select Buick, Chevrolet, GMC, Hummer, Isuzu, and Saab models. Engineered with a Teflon sealing surface, this seal ensures effective protection against leaks and contamination in your vehicle's timing cover assembly.

  • Width: 0.413 inches for optimal fit and sealing
  • Outside Diameter: 2.331 inches to match OEM specifications
  • Shaft Diameter: 1.850 inches for accurate shaft sealing
  • Sealing Surface Type: Teflon for enhanced wear resistance and low friction
  • Compatible with multiple makes and models including Buick Rainier, Chevrolet Trailblazer, and GMC Envoy

Technical Details and Material Specifications

The SKF 18509 engine timing cover seal features a Teflon sealing surface, which offers superior chemical resistance and durability compared to traditional rubber seals. The precise dimensions—0.413 inches in width, 2.331 inches outside diameter, and 1.850 inches shaft diameter—ensure a secure fit that maintains engine integrity by preventing oil leaks and contamination. This seal is engineered to meet the demands of engine timing cover applications in vehicles such as the Chevrolet Colorado and GMC Canyon, providing consistent performance under varying operating conditions.

Compatible Vehicles and Applications

This engine timing cover seal is compatible with a range of vehicles, including Buick Rainier, Chevrolet Trailblazer, GMC Envoy, Hummer H3, Isuzu Ascender, and Saab 9-7x. The SKF 18509 part number corresponds to a direct replacement seal designed specifically for these models, ensuring proper fitment and reliable sealing performance.

  • Prevents oil leaks from the engine timing cover
  • Protects engine components from dirt and debris ingress
  • Maintains proper lubrication within the timing system
  • Reduces wear on the timing cover shaft
  • Helps avoid engine performance issues related to seal failure

Installation Notes and Tips

When installing the SKF 18509 engine timing cover seal, ensure the sealing surface and shaft are clean and free of debris. Lubricate the seal lightly with engine oil to facilitate installation and prevent damage. Use appropriate tools to press the seal evenly into the timing cover bore without distortion. Verify the seal dimensions match the original part to maintain proper fit and function.

Quality Assurance and Warranty Information

SKF manufactures the 18509 engine timing cover seal to meet stringent quality standards, ensuring durability and reliable sealing performance. The use of Teflon as the sealing surface material contributes to extended service life under typical engine operating conditions. SKF provides a limited warranty against manufacturing defects, supporting confidence in the product's quality and fitment for Buick, Chevrolet, GMC, Hummer, Isuzu, and Saab vehicles.

This part fits 69 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2012ChevroletColoradoN/A
2012ChevroletColorado3.7LL5N/A
2012ChevroletColorado2.9LL4N/A
2012GMCCanyonN/A
2012GMCCanyon3.7LL5N/A
2011ChevroletColoradoN/A
2011ChevroletColorado3.7LL5N/A
2011ChevroletColorado2.9LL4N/A
2011GMCCanyonN/A
2011GMCCanyon3.7LL5N/A
2010ChevroletColoradoN/A
2010ChevroletColorado3.7LL5N/A
2010GMCCanyonN/A
2010GMCCanyon3.7LL5N/A
2009ChevroletColoradoN/A
2009ChevroletColorado3.7LL5N/A
2009ChevroletTrailblazer4.2LL6N/A
2009GMCCanyonN/A
2009GMCCanyon3.7LL5N/A
2009GMCEnvoy4.2LL6N/A
2009Saab9-7x4.2LL6N/A
2008ChevroletColoradoN/A
2008ChevroletColorado3.7LL5N/A
2008ChevroletTrailblazer4.2LL6N/A
2008GMCCanyonN/A
2008GMCCanyon3.7LL5N/A
2008GMCEnvoy4.2LL6N/A
2008HummerH3N/A
2008IsuzuAscender4.2LL6N/A
2008Saab9-7x4.2LL6N/A
2007BuickRainier4.2LL6N/A
2007ChevroletColoradoN/A
2007ChevroletColorado3.7LL5N/A
2007ChevroletTrailblazer4.2LL6N/A
2007GMCCanyonN/A
2007GMCCanyon3.7LL5N/A
2007GMCEnvoy4.2LL6N/A
2007HummerH3N/A
2007IsuzuAscender4.2LL6N/A
2007Saab9-7x4.2LL6N/A
2006BuickRainier4.2LL6N/A
2006ChevroletColorado3.5LL5N/A
2006ChevroletColorado2.8LL4N/A
2006ChevroletTrailblazer4.2LL6N/A
2006GMCCanyon3.5LL5N/A
2006GMCCanyon2.8LL4N/A
2006GMCEnvoy4.2LL6N/A
2006HummerH3N/A
2006HummerH33.5LL5N/A
2006IsuzuAscender4.2LL6N/A
2006Saab9-7x4.2LL6N/A
2005BuickRainier4.2LL6N/A
2005ChevroletColorado3.5LL5N/A
2005ChevroletColorado2.8LL4N/A
2005ChevroletTrailblazer4.2LL6N/A
2005GMCCanyon3.5LL5N/A
2005GMCCanyon2.8LL4N/A
2005GMCEnvoy4.2LL6N/A
2005IsuzuAscender4.2LL6N/A
2005Saab9-7x4.2LL6N/A
2004BuickRainier4.2LL6N/A
2004ChevroletColorado3.5LL5N/A
2004ChevroletColorado2.8LL4N/A
2004ChevroletTrailblazer4.2LL6N/A
2004GMCCanyon3.5LL5N/A
2004GMCCanyon2.8LL4N/A
2004GMCEnvoy4.2LL6N/A
2004IsuzuAscender4.2LL6N/A
2003IsuzuAscender4.2LL6N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.