SKP SK624116 Automatic Transmission Oil Cooler Hose Assembly - Lower, Outlet (Lower) or Transmission to Radiator (Lower)

Brand SKP SK624116
Position Transmission to Radiator (Lower), Lower, and Outlet (Lower)
Fits Cadillac, Chevrolet, and GMC · 71 vehicles

OE-style replacement. Direct-fit hose assembly for transmission fluid cooling circuit service.

Leakage-tested. Manufactured to meet strict quality standards for dependable sealing.

Cross-references 624116 for the same application. See all 1.

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Automatic Transmission Cooler Hose

The SKP automatic transmission oil cooler hose assembly routes hot transmission fluid away from the transmission and through the cooling circuit. It is a direct replacement for applications that need a lower hose assembly with the correct routing and connection style.

Fits 1999-2006 Chevrolet Silverado 1500, lower; fits 2000-2006 Chevrolet Tahoe, lower; fits 2002-2006 Cadillac Escalade, transmission to radiator (lower). The SK624116 part number is also used for related GM truck and SUV applications with auxiliary cooler or heavy-duty cooling system notes.

  • Transfers transmission fluid through the cooler circuit to reduce heat buildup.
  • Built as an assembly for replacement of the original hose routing.
  • Leakage-tested to meet strict quality standards.
  • Fits GM truck and SUV applications with lower hose configurations.

Detailed Fitment and Use

This hose assembly is used in automatic transmission cooling systems where fluid must move between the transmission and radiator or auxiliary cooler. It fits 1999-2006 Chevrolet Silverado 1500, lower; fits 1999-2006 GMC Sierra 1500, lower; and fits 2003-2006 GMC Yukon, lower, with the listed cooling-system notes. The SK624116 part number should be matched to the vehicle’s cooling setup, including auxiliary cooler and RPO KNP references where specified. This part cross-references 624116 for the same application.

Common Problems It Can Address

  • Transmission fluid overheating from restricted cooler flow.
  • Fluid leaks at a worn or damaged hose assembly.
  • Incorrect hose routing after replacement of cooling components.
  • Loss of cooling performance in the transmission fluid circuit.

Installation Notes and Quality

Verify the vehicle’s cooling-system configuration, hose position, and notes before installation. Confirm whether the application uses an auxiliary cooler, transmission-to-radiator routing, or the listed RPO KNP requirement. SKP manufactures and leakage-tests this assembly to meet strict quality standards for replacement use.

This part fits 71 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
2007ChevroletSilverado 1500 ClassicLTLowerw/ Auxiliary Cooler
2007GMCSierra 1500 ClassicSLLowerw/ Auxiliary Cooler
2006CadillacEscalade6.0LV8Transmission to Radiator (Lower)
2006CadillacEscalade ESV6.0LV8Transmission to Radiator (Lower)
2006CadillacEscalade EXT6.0LV8Transmission to Radiator (Lower)
2006ChevroletAvalanche 15005.3LV8Transmission to Radiator (Lower)
2006ChevroletSilverado 1500BaseLowerw/ Auxiliary Cooler
2006ChevroletSuburban 15005.3LV8Transmission to Radiator (Lower)
2006ChevroletTahoe4.8LV8Lowerw/o RPO Code KNP (Heavy Duty Transmission Cooling System)
2006GMCSierra 1500SLTLowerw/ Auxiliary Cooler
2006GMCYukon5.3LV8Lowerw/o RPO Code KNP (Heavy Duty Transmission Cooling System)
2006GMCYukon XL 15005.3LV8Lowerw/o RPO Code KNP (Heavy Duty Transmission Cooling System)
2005CadillacEscalade5.3LV8Transmission to Radiator (Lower)
2005CadillacEscalade ESV6.0LV8Transmission to Radiator (Lower)
2005CadillacEscalade EXT6.0LV8Transmission to Radiator (Lower)
2005ChevroletAvalanche 15005.3LV8Transmission to Radiator (Lower)
2005ChevroletSilverado 1500BaseLowerw/ Auxiliary Cooler
2005ChevroletSuburban 15005.3LV8Transmission to Radiator (Lower)
2005ChevroletTahoe4.8LV8Lowerw/o RPO Code KNP (Heavy Duty Transmission Cooling System)
2005GMCSierra 1500BaseLowerw/ Auxiliary Cooler
2005GMCYukon5.3LV8Lowerw/o RPO Code KNP (Heavy Duty Transmission Cooling System)
2005GMCYukon XL 15005.3LV8Lowerw/o RPO Code KNP (Heavy Duty Transmission Cooling System)
2004CadillacEscalade5.3LV8Transmission to Radiator (Lower)
2004CadillacEscalade ESV6.0LV8Transmission to Radiator (Lower)
2004CadillacEscalade EXT6.0LV8Transmission to Radiator (Lower)
2004ChevroletAvalanche 15005.3LV8Transmission to Radiator (Lower)
2004ChevroletSilverado 1500BaseLowerw/ Auxiliary Cooler
2004ChevroletSuburban 15005.3LV8Transmission to Radiator (Lower)
2004ChevroletTahoe4.8LV8Lowerw/o RPO Code KNP (Heavy Duty Transmission Cooling System)
2004GMCSierra 1500BaseLowerw/ Auxiliary Cooler
2004GMCYukon5.3LV8Lowerw/o RPO Code KNP (Heavy Duty Transmission Cooling System)
2004GMCYukon XL 15005.3LV8Lowerw/o RPO Code KNP (Heavy Duty Transmission Cooling System)
2003CadillacEscalade5.3LV8Transmission to Radiator (Lower)
2003CadillacEscalade ESV6.0LV8Transmission to Radiator (Lower)
2003CadillacEscalade EXT6.0LV8Transmission to Radiator (Lower)
2003ChevroletAvalanche 15005.3LV8Transmission to Radiator (Lower)
2003ChevroletSilverado 1500Lowerw/ Auxiliary Cooler
2003ChevroletSuburban 15005.3LV8Transmission to Radiator (Lower)
2003ChevroletTahoe4.8LV8Lowerw/o RPO Code KNP (Heavy Duty Transmission Cooling System)
2003GMCSierra 1500Lowerw/ Auxiliary Cooler
2003GMCYukon5.3LV8Lowerw/o RPO Code KNP (Heavy Duty Transmission Cooling System)
2003GMCYukon XL 15005.3LV8Lowerw/o RPO Code KNP (Heavy Duty Transmission Cooling System)
2002CadillacEscalade5.3LV8Transmission to Radiator (Lower)
2002CadillacEscalade EXT6.0LV8Transmission to Radiator (Lower)
2002ChevroletAvalanche 15005.3LV8Transmission to Radiator (Lower)
2002ChevroletSilverado 1500Lowerw/ Auxiliary Cooler
2002ChevroletSuburban 15005.3LV8Transmission to Radiator (Lower)
2002ChevroletTahoe4.8LV8Lowerw/o RPO Code KNP (Heavy Duty Transmission Cooling System)
2002GMCSierra 1500Lowerw/ Auxiliary Cooler
2002GMCYukonLowerw/ RPO Code KNP (Heavy Duty Transmission Cooling System)
2002GMCYukon XL 1500Lowerw/ RPO Code KNP (Heavy Duty Transmission Cooling System)
2001ChevroletSilverado 1500Lowerw/ Auxiliary Cooler
2001ChevroletSilverado 2500Outlet (Lower)w/ Auxiliary Cooler
2001ChevroletSuburban 15005.3LV8Transmission to Radiator (Lower)
2001ChevroletTahoe4.8LV8Lowerw/o RPO Code KNP (Heavy Duty Transmission Cooling System)
2001GMCSierra 1500Lowerw/ Auxiliary Cooler
2001GMCSierra 2500Outlet (Lower)w/ Auxiliary Cooler
2001GMCYukonLowerw/ RPO Code KNP (Heavy Duty Transmission Cooling System)
2001GMCYukon XL 1500Lowerw/ RPO Code KNP (Heavy Duty Transmission Cooling System)
2000ChevroletSilverado 1500Lowerw/ Auxiliary Cooler
2000ChevroletSilverado 2500Outlet (Lower)w/ Auxiliary Cooler
2000ChevroletSuburban 15005.3LV8Transmission to Radiator (Lower)
2000ChevroletTahoe4.8LV8Lowerw/o RPO Code KNP (Heavy Duty Transmission Cooling System)
2000GMCSierra 1500Lowerw/ Auxiliary Cooler
2000GMCSierra 2500Outlet (Lower)w/ Auxiliary Cooler
2000GMCYukon5.3LV8Lowerw/o RPO Code KNP (Heavy Duty Transmission Cooling System)
2000GMCYukon XL 15005.3LV8Lowerw/o RPO Code KNP (Heavy Duty Transmission Cooling System)
1999ChevroletSilverado 1500Lowerw/ Auxiliary Cooler
1999ChevroletSilverado 2500Outlet (Lower)w/ Auxiliary Cooler
1999GMCSierra 1500Lowerw/ Auxiliary Cooler
1999GMCSierra 2500Outlet (Lower)w/ Auxiliary Cooler
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
624116