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Part #: 918-309

Dorman 918-309 Power Steering Cooler

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โš™๏ธ 102 vehicles fit this part
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โœ…OE Direct Replacement โ€” Bolt-on fit, no modifications needed
๐Ÿš—Fitment: Cadillac, Chevrolet, and GMC, Escalade, Escalade ESV, Silverado 1500, Suburban, Suburban 1500, Tahoe, Sierra, Sierra 1500, Yukon, Yukon XL 1500, Escalade EXT, Avalanche, and Cheyenne
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Power Steering Cooler for Cadillac, Chevrolet, and GMC Vehicles

The Dorman 918-309 power steering cooler is designed to maintain optimal fluid temperature in your vehicle's power steering system. Engineered from durable steel and finished in black, this cooler is compatible with select Cadillac, Chevrolet, and GMC models, including the Escalade, Silverado 1500, and Yukon XL 1500.

  • Constructed from robust steel for long-lasting durability
  • Overall length of 18.338 inches and width of 7.267 inches for precise fitment
  • Black finish to resist corrosion and complement engine bay aesthetics
  • Barb-type fittings with 0.216 inch inside diameter and 0.531 inch outside diameter for secure hose connections
  • Includes one power steering cooler, one hose, and clamps for installation

Durable Steel Construction and Precise Dimensions

This power steering cooler features a steel body that withstands high temperatures and pressure fluctuations common in power steering systems. Measuring 18.338 inches in length and 7.267 inches in width, it fits seamlessly within the engine compartments of compatible vehicles. The coolerโ€™s inlet and outlet fittings are designed with a 0.216 inch inside diameter and 0.531 inch outside diameter, utilizing barb fittings to ensure a tight, leak-resistant connection with the included hose and clamps. The black finish provides additional protection against rust and wear.

Compatible Vehicles and Applications

The Dorman 918-309 power steering cooler is compatible with a range of Cadillac, Chevrolet, and GMC trucks and SUVs. Specifically, it fits models such as the Cadillac Escalade, Escalade ESV, and Escalade EXT; Chevrolet Avalanche, Cheyenne, Silverado 1500, Suburban 1500, and Tahoe; as well as GMC Sierra, Sierra 1500, Yukon, and Yukon XL 1500. This part is ideal for vehicles requiring efficient power steering fluid cooling to maintain system performance and longevity.

Common Issues Addressed by the Power Steering Cooler

  • Overheating of power steering fluid leading to reduced steering performance
  • Premature wear of power steering pump due to excessive fluid temperatures
  • Fluid degradation causing leaks or system failure
  • Increased steering effort or noise during operation
  • Potential damage to steering components from insufficient cooling

Installation Notes and Tips

Installation of the Dorman 918-309 power steering cooler requires basic mechanical skills and tools. Ensure the vehicle is safely supported and the power steering system is depressurized before removal of the old cooler. Use the included hose and clamps to secure connections firmly to the barb fittings. Verify all fittings are tight and check for leaks after installation. Proper routing of the cooler and hose is essential to avoid contact with moving parts or excessive heat sources.

Quality Assurance and Warranty

Dorman power steering components are manufactured to meet or exceed OEM specifications. The 918-309 power steering cooler undergoes rigorous quality control to ensure durability and reliable performance. This product is backed by Dormanโ€™s limited warranty, providing coverage against defects in materials and workmanship under normal use.

BrandDorman
Part Number918-309
ColorBlack
Fitting TypeBarb
Height2.007
Inlet Fitting Inside Diameter0.216
Inlet Fitting Outside Diameter0.531
Length18.338
MaterialSteel
Outlet Fitting Inside Diameter0.216
Outlet Fitting Outside Diameter0.531
Overall Width7.267 in
Package Contents1 Power Steering Cooler; 1 Hose; Clamps

This part fits 102 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
2014CadillacEscaladeAutomatic6.2LV8N/A
2014CadillacEscalade ESVAutomatic6.2LV8N/A
2014ChevroletSilverado 1500Automatic5.3LV8N/A
2014ChevroletSilverado 1500Automatic6.2LV8N/A
2014ChevroletSuburban 1500Automatic5.3LV8N/A
2014ChevroletTahoeAutomatic5.3LV8N/A
2014GMCSierraAutomatic5.3LV8N/A
2014GMCSierraAutomatic6.2LV8N/A
2014GMCSierra 1500Automatic5.3LV8N/A
2014GMCSierra 1500Automatic6.2LV8N/A
2014GMCYukonAutomatic5.3LV8N/A
2014GMCYukonAutomatic6.2LV8N/A
2014GMCYukon XL 1500Automatic5.3LV8N/A
2014GMCYukon XL 1500Automatic6.2LV8N/A
2013CadillacEscalade6.0LV8N/A
2013CadillacEscalade6.2LV8N/A
2013CadillacEscalade ESVAutomatic6.2LV8N/A
2013CadillacEscalade EXTAutomatic6.2LV8N/A
2013ChevroletAvalanche5.3LV8N/A
2013ChevroletCheyenneN/A
2013ChevroletSilverado 15005.3LV8N/A
2013ChevroletSilverado 15006.2LV8N/A
2013ChevroletSuburban 15005.3LV8N/A
2013ChevroletTahoe5.3LV8N/A
2013GMCSierra5.3LV8N/A
2013GMCSierra 15005.3LV8N/A
2013GMCSierra 15006.2LV8N/A
2013GMCYukon5.3LV8N/A
2013GMCYukon6.0LV8N/A
2013GMCYukon6.2LV8N/A
2013GMCYukon XL 15005.3LV8N/A
2012CadillacEscalade6.0LV8N/A
2012CadillacEscalade6.2LV8N/A
2012CadillacEscalade ESVAutomatic6.2LV8N/A
2012CadillacEscalade EXTAutomatic6.2LV8N/A
2012ChevroletAvalanche5.3LV8N/A
2012ChevroletCheyenneN/A
2012ChevroletSilverado 15005.3LV8N/A
2012ChevroletSilverado 15006.2LV8N/A
2012ChevroletSuburban 15005.3LV8N/A
2012ChevroletTahoe5.3LV8N/A
2012GMCSierra5.3LV8N/A
2012GMCSierra 15005.3LV8N/A
2012GMCSierra 15006.2LV8N/A
2012GMCYukon5.3LV8N/A
2012GMCYukon6.0LV8N/A
2012GMCYukon6.2LV8N/A
2012GMCYukon XL 15005.3LV8N/A
2011CadillacEscalade6.0LV8N/A
2011CadillacEscalade6.2LV8N/A
2011CadillacEscalade ESVAutomatic6.2LV8N/A
2011CadillacEscalade EXTAutomatic6.2LV8N/A
2011ChevroletAvalanche5.3LV8N/A
2011ChevroletCheyenneN/A
2011ChevroletSilverado 15005.3LV8N/A
2011ChevroletSilverado 15006.2LV8N/A
2011ChevroletSuburban 15005.3LV8N/A
2011ChevroletTahoe5.3LV8N/A
2011GMCSierra5.3LV8N/A
2011GMCSierra 15005.3LV8N/A
2011GMCSierra 15006.2LV8N/A
2011GMCYukon5.3LV8N/A
2011GMCYukon6.0LV8N/A
2011GMCYukon6.2LV8N/A
2011GMCYukon XL 15005.3LV8N/A
2010CadillacEscalade6.0LV8N/A
2010CadillacEscalade6.2LV8N/A
2010CadillacEscalade ESVAutomatic6.2LV8N/A
2010CadillacEscalade EXTAutomatic6.2LV8N/A
2010ChevroletAvalanche5.3LV8N/A
2010ChevroletCheyenneN/A
2010ChevroletSilverado 15005.3LV8N/A
2010ChevroletSilverado 15006.2LV8N/A
2010ChevroletSuburban 15005.3LV8N/A
2010ChevroletTahoe5.3LV8N/A
2010GMCSierra5.3LV8N/A
2010GMCSierra 15005.3LV8N/A
2010GMCSierra 15006.2LV8N/A
2010GMCYukon6.0LV8N/A
2010GMCYukon6.2LV8N/A
2010GMCYukon XL 15005.3LV8N/A
2009CadillacEscalade6.0LV8N/A
2009CadillacEscalade6.2LV8N/A
2009CadillacEscalade ESVAutomatic6.2LV8N/A
2009CadillacEscalade EXTAutomatic6.2LV8N/A
2009ChevroletAvalancheAutomatic5.3LV8N/A
2009ChevroletAvalanche6.0LV8N/A
2009ChevroletSilverado 1500Automatic5.3LV8N/A
2009ChevroletSilverado 15006.0LV8N/A
2009ChevroletSilverado 15006.2LV8N/A
2009ChevroletSuburban 1500Automatic5.3LV8N/A
2009ChevroletSuburban 15006.0LV8N/A
2009ChevroletTahoeAutomatic5.3LV8N/A
2009ChevroletTahoeAutomatic4.8LV8N/A
2009ChevroletTahoe6.2LV8N/A
2009GMCSierraAutomatic5.3LV8N/A
2009GMCSierra 1500Automatic5.3LV8N/A
2009GMCSierra 15006.0LV8N/A
2009GMCSierra 15006.2LV8N/A
2009GMCYukonAutomatic5.3LV8N/A
2009GMCYukon XL 15005.3LV8N/A
2009GMCYukon XL 15006.0LV8N/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:

25918689SKTOC011

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