HomeBelts and Cooling > Hoses and PipesDorman 625-199 Automatic Transmission Oil Cooler Hose Assembly - Transmission to Radiator (Lower)
Part #: 625-199

Dorman 625-199 Automatic Transmission Oil Cooler Hose Assembly - Transmission to Radiator (Lower)

Transmission to Radiator (Lower)
24 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet and GMC, Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500, Sierra 3500 Classic, Sierra 3500 HD, Silverado 2500 HD, Silverado 2500 HD Classic, Silverado 3500, Silverado 3500 Classic, and Silverado 3500 HD
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Reliable Automatic Transmission Oil Cooler Hose Assembly

The Dorman 625-199 automatic transmission oil cooler hose assembly is designed to provide a durable and precise fit for Chevrolet and GMC heavy-duty trucks. Engineered with quality materials, this hose assembly ensures efficient transmission fluid cooling for optimal vehicle performance.

  • Length: 55.1 inches for proper routing and fitment
  • Hose Material: Durable rubber and metal construction
  • Hose Color: Natural for easy identification
  • End Types: Quick disconnect fittings on both ends for secure and convenient installation
  • Operating Temperature Range: -40°F to 329°F to withstand extreme conditions
  • Contains No Spring, ensuring consistent fluid flow without restriction
  • Non-flexible design for stable and reliable transmission line connection

Durable Construction and Precise Fit

The Dorman 625-199 transmission oil cooler hose assembly combines rubber and metal materials to provide strength and resistance to heat and pressure. Its 55.1-inch length is tailored to fit specific Chevrolet and GMC models, including the Sierra 2500 HD, Sierra 3500, Silverado 2500 HD, and Silverado 3500 series trucks. The natural hose color allows for easy inspection during maintenance. Both ends feature quick disconnect fittings, simplifying hose replacement and reducing service time.

Compatible Vehicles and Applications

This hose assembly is compatible with the following heavy-duty trucks:

  • Chevrolet Sierra 2500 HD and Sierra 2500 HD Classic
  • Chevrolet Sierra 3500 and Sierra 3500 Classic
  • Chevrolet Silverado 2500 HD and Silverado 2500 HD Classic
  • Chevrolet Silverado 3500 and Silverado 3500 Classic
  • GMC Sierra 2500 HD and Sierra 3500 HD

It is designed to maintain proper transmission fluid cooling, helping to prevent overheating and transmission damage in these models.

Common Issues Addressed by This Hose Assembly

  • Leaking or cracked transmission oil cooler hoses
  • Transmission fluid overheating due to inefficient cooling
  • Damaged or worn quick disconnect fittings causing fluid loss
  • Hose failure from exposure to extreme temperatures
  • Restricted fluid flow from hose collapse or internal damage

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns from hot transmission fluid. Carefully disconnect the old hose using the quick disconnect fittings, taking care to catch any fluid. Verify the new hose length and fittings match the original before installation. Avoid twisting or bending the hose excessively to maintain its integrity. After installation, check for leaks and proper fluid flow during a test drive.

Quality Assurance and Warranty

Dorman manufactures this transmission oil cooler hose assembly to meet or exceed OEM specifications for durability and performance. The hose is tested to operate reliably within a temperature range of -40°F to 329°F. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in materials and workmanship.

BrandDorman
Part Number625-199
Hose ColorNatural
Length55.1
End 1 TypeQuick disconnect
End 2 TypeQuick disconnect
Contains SpringNo
Hose MaterialRubber/metal
FlexibleNo
Maximum Operating Temperature (┬░F)329
Minimum Operating Temperature (┬░F)-40
Package Contents1 transmission line

This part fits 24 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2010ChevroletSilverado 2500 HD6.6LV8Transmission to Radiator (Lower)Tube and Hose
2010ChevroletSilverado 3500 HD6.6LV8Transmission to Radiator (Lower)Tube and Hose
2010GMCSierra 2500 HD6.6LV8Transmission to Radiator (Lower)Tube and Hose
2010GMCSierra 3500 HD6.6LV8Transmission to Radiator (Lower)Tube and Hose
2009ChevroletSilverado 2500 HD6.6LV8Transmission to Radiator (Lower)Tube and Hose
2009ChevroletSilverado 3500 HD6.6LV8Transmission to Radiator (Lower)Tube and Hose
2009GMCSierra 2500 HD6.6LV8Transmission to Radiator (Lower)Tube and Hose
2009GMCSierra 3500 HD6.6LV8Transmission to Radiator (Lower)Tube and Hose
2008ChevroletSilverado 2500 HD6.6LV8Transmission to Radiator (Lower)Tube and Hose
2008ChevroletSilverado 3500 HD6.6LV8Transmission to Radiator (Lower)Tube and Hose
2008GMCSierra 2500 HD6.6LV8Transmission to Radiator (Lower)Tube and Hose
2008GMCSierra 3500 HD6.6LV8Transmission to Radiator (Lower)Tube and Hose
2007ChevroletSilverado 2500 HD6.6LV8Transmission to Radiator (Lower)Tube and Hose
2007ChevroletSilverado 2500 HD Classic6.6LV8Transmission to Radiator (Lower)
2007ChevroletSilverado 3500 Classic6.6LV8Transmission to Radiator (Lower)
2007ChevroletSilverado 3500 HD6.6LV8Transmission to Radiator (Lower)Tube and Hose
2007GMCSierra 2500 HD6.6LV8Transmission to Radiator (Lower)Tube and Hose
2007GMCSierra 2500 HD Classic6.6LV8Transmission to Radiator (Lower)
2007GMCSierra 3500 Classic6.6LV8Transmission to Radiator (Lower)
2007GMCSierra 3500 HD6.6LV8Transmission to Radiator (Lower)Tube and Hose
2006ChevroletSilverado 2500 HD6.6LV8Transmission to Radiator (Lower)
2006ChevroletSilverado 35006.6LV8Transmission to Radiator (Lower)
2006GMCSierra 2500 HD6.6LV8Transmission to Radiator (Lower)
2006GMCSierra 35006.6LV8Transmission to Radiator (Lower)

* 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:

208351235801281

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