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2008 GMC Sierra 3500 HD

2008 GMC Sierra 3500 HD Oil Cooler Lines

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Oil Cooler Line, 8 Cyl., 6.0L Engine, without Electric Cooling Fan - Inlet and Outlet Assembly
Part Number: RC31310023
Guaranteed to Fit
$47.49
Vehicle Fitment
  • 2008 GMC Sierra 3500 HD WT 8 Cyl 6.0L Without Electric Cooling Fan
  • 2008 GMC Sierra 3500 HD SLT 8 Cyl 6.0L Without Electric Cooling Fan
  • 2008 GMC Sierra 3500 HD SLE 8 Cyl 6.0L Without Electric Cooling Fan
Product Details
Location : Inlet And Outlet AssemblyWarranty : 1-year Replacement unlimited-mileage warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Interchange Part Number : 625501, 20788686, 20828694Replaces OE Number : 20788686, 20828694Returns Policy : 30-Day Return Policy
OE Solutions Series Oil Cooler Line - Direct Fit, Sold individually
Part Number: RB624979
Guaranteed to Fit
$31.99
Vehicle Fitment
  • 2008 GMC Sierra 3500 HD WT 8 Cyl 6.6L transmissionmfrcode : 1000, Tube And Hose
  • 2008 GMC Sierra 3500 HD SLT 8 Cyl 6.6L transmissionmfrcode : 1000, Tube And Hose
  • 2008 GMC Sierra 3500 HD SLE 8 Cyl 6.6L transmissionmfrcode : 1000, Tube And Hose
Product Details
Location : Auxiliary Cooler To Radiator (upper)Notes : 38 in. Hose Overall Length; 100 PSI Hose/Line Maximum Pressure; -40 Deg. F. Minimum and 329 Deg. F. Maximum Operating Temperature; Natural Color/Finish; Not flexible; Quick Disconnect Hose Attachment End 1; Quick Disconnect Hose Attachment End 2; Metal and Rubber Hose MaterialWarranty : Lifetime Dorman limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : OE Solutions SeriesOverall Length : 38 in. overall lengthType : Transmission Oil CoolerInterchange Part Number : RC31310018, 15826412, 20759973, 20835127, 21998955, 5801080, SK624979Replaces OE Number : 15826412, 20759973, 20835127, 21998955, 5801080, SK624979Recommended Use : OE ReplacementProduct Fit : Direct Fit
GM Original Equipment Series Oil Cooler Line - Direct Fit, Sold individually
Part Number: AC20828694
Guaranteed to Fit
$98.99
Vehicle Fitment
  • 2008 GMC Sierra 3500 HD WT 8 Cyl 6.0L
  • 2008 GMC Sierra 3500 HD SLT 8 Cyl 6.0L
  • 2008 GMC Sierra 3500 HD SLE 8 Cyl 6.0L
Product Details
Notes : 2x Jiffy-Tite Flare End 1 Type; Block End 2 Type; Steel, Aluminum and Rubber MaterialsWarranty : 24-months or unlimited mile AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : GM Original Equipment SeriesType : Engine Oil CoolerRecommended Use : OE ReplacementProduct Fit : Direct Fit
OE Solutions Series Oil Cooler Line - Direct Fit, Sold individually
Part Number: RB624158
Guaranteed to Fit
$45.99
Vehicle Fitment
  • 2008 GMC Sierra 3500 HD WT 8 Cyl 6.6L transmissionmfrcode : 1000, transmissionmfrname : Allison, Tube And Hose
  • 2008 GMC Sierra 3500 HD SLT 8 Cyl 6.6L transmissionmfrcode : 1000, transmissionmfrname : Allison, Tube And Hose
  • 2008 GMC Sierra 3500 HD SLE 8 Cyl 6.6L transmissionmfrcode : 1000, transmissionmfrname : Allison, Tube And Hose
Product Details
Location : Auxiliary Cooler (driver Side) To TransmissionWarranty : Lifetime Dorman limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Nickel, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : OE Solutions SeriesInterchange Part Number : 20759971, 20835125, 21998956, 5801061Replaces OE Number : 20759971, 20835125, 21998956, 5801061Product Fit : Direct Fit
GM Original Equipment Series Oil Cooler Line - Direct Fit, Sold individually
Part Number: AC20835127
Guaranteed to Fit
$41.99
Vehicle Fitment
  • 2008 GMC Sierra 3500 HD WT 8 Cyl 6.6L transmissionmfrcode : 1000, Hvy Duty Trans Clg Sys(KNP)
  • 2008 GMC Sierra 3500 HD SLT 8 Cyl 6.6L transmissionmfrcode : 1000, Hvy Duty Trans Clg Sys(KNP)
  • 2008 GMC Sierra 3500 HD SLE 8 Cyl 6.6L transmissionmfrcode : 1000, Hvy Duty Trans Clg Sys(KNP)
Product Details
Notes : 42.39 in. Length; 0.63 in. ID; 0.92 in. OD; Rubber/SteelWarranty : 24-months or unlimited mile AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : GM Original Equipment SeriesRecommended Use : OE ReplacementProduct Fit : Direct Fit
GM Original Equipment Series Oil Cooler Line - Direct Fit, Sold individually
Part Number: AC20835123
Guaranteed to Fit
$45.49
Vehicle Fitment
  • 2008 GMC Sierra 3500 HD WT 8 Cyl 6.6L transmissionmfrcode : 1000, Hvy Duty Trans Clg Sys(KNP)
  • 2008 GMC Sierra 3500 HD SLT 8 Cyl 6.6L transmissionmfrcode : 1000, Hvy Duty Trans Clg Sys(KNP)
  • 2008 GMC Sierra 3500 HD SLE 8 Cyl 6.6L transmissionmfrcode : 1000, Hvy Duty Trans Clg Sys(KNP)
Product Details
Notes : 66.37 in. Length; 0.63 in. ID; 0.92 in. OD; Rubber/SteelWarranty : 24-months or unlimited mile AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : GM Original Equipment SeriesRecommended Use : OE ReplacementProduct Fit : Direct Fit
GM Original Equipment Series Oil Cooler Line - Direct Fit, Sold individually
Part Number: AC20835125
Guaranteed to Fit
$72.99
Vehicle Fitment
  • 2008 GMC Sierra 3500 HD WT 8 Cyl 6.6L transmissionmfrcode : 1000, Hvy Duty Trans Clg Sys(KNP)
  • 2008 GMC Sierra 3500 HD SLT 8 Cyl 6.6L transmissionmfrcode : 1000, Hvy Duty Trans Clg Sys(KNP)
  • 2008 GMC Sierra 3500 HD SLE 8 Cyl 6.6L transmissionmfrcode : 1000, Hvy Duty Trans Clg Sys(KNP)
Product Details
Notes : 85.01 in. Length; 0.63 in. ID; 0.92 in. OD; Rubber, SteelWarranty : 24-months or unlimited mile AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : GM Original Equipment SeriesRecommended Use : OE ReplacementProduct Fit : Direct Fit
OE Solutions Series Oil Cooler Line - Direct Fit, Sold individually
Part Number: RB625501
Guaranteed to Fit
$71.99
Vehicle Fitment
  • 2008 GMC Sierra 3500 HD WT 8 Cyl 6.0L Without Electric Cooling Fan
  • 2008 GMC Sierra 3500 HD SLT 8 Cyl 6.0L Without Electric Cooling Fan
  • 2008 GMC Sierra 3500 HD SLE 8 Cyl 6.0L Without Electric Cooling Fan
Product Details
Location : Inlet And Outlet AssemblyNotes : 0.38 in. ID; 0.5 in. OD; Metal and Rubber Hose Material; -40 Deg. F. Min Operating Temperature; 329 Deg. F. Max Operating Temperature; Block Connect Hose Attachment End 1; Male Quick Disconnect Hose Attachment End 2Warranty : Lifetime Dorman limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Butadiene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : OE Solutions SeriesOverall Length : 53.5 in.Interchange Part Number : RC31310023, 20788686, 20828694, 5801407Replaces OE Number : 20788686, 20828694, 5801407Recommended Use : OE ReplacementProduct Fit : Direct Fit
OE Solutions Series Oil Cooler Line - Sold individually
Part Number: RB624440
Guaranteed to Fit
$110.99
Vehicle Fitment
  • 2008 GMC Sierra 3500 HD WT 8 Cyl 6.0L Cab & Chassis
  • 2008 GMC Sierra 3500 HD SLE 8 Cyl 6.0L Cab & Chassis
Product Details
Location : Inlet And OutletWarranty : Lifetime Dorman limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : OE Solutions SeriesInterchange Part Number : RC31310044, 25856246Replaces OE Number : 25856246
GM Original Equipment Series Oil Cooler Line - Sold individually
Part Number: AC15908470
Guaranteed to Fit
$120.49
Vehicle Fitment
  • 2008 GMC Sierra 3500 HD WT 8 Cyl 6.0L Eng. VIN: K, 97.6 in. Bed, Fleetside, 4-Door, Extended Cab Pickup, 6-Speed, Automatic Transmission, transmissionmfrcode: 6L90, FLEETSIDE PUBX(E63), HEAVY DUTY TRANS COOLING SYSTEM(KNP); EXCEPT BASE BODY/CHASSIS(ZW9); INLT & OTLT
  • 2008 GMC Sierra 3500 HD SLT 8 Cyl 6.0L Eng. VIN: K, 97.6 in. Bed, Fleetside, 4-Door, Crew Cab Pickup, 6-Speed, Automatic Transmission, transmissionmfrcode: 6L90, FLEETSIDE PUBX(E63), HEAVY DUTY TRANS COOLING SYSTEM(KNP); EXCEPT BASE BODY/CHASSIS(ZW9); INLT & OTLT
  • 2008 GMC Sierra 3500 HD SLE 8 Cyl 6.0L Eng. VIN: K, 97.6 in. Bed, Fleetside, 4-Door, Extended Cab Pickup, 6-Speed, Automatic Transmission, transmissionmfrcode: 6L90, FLEETSIDE PUBX(E63), HEAVY DUTY TRANS COOLING SYSTEM(KNP); EXCEPT BASE BODY/CHASSIS(ZW9); INLT & OTLT
Product Details
Location : Inlet and OutletWarranty : 24-months or unlimited mile AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : GM Original Equipment Series
GM Original Equipment Series Oil Cooler Line - Sold individually
Part Number: AC15929918
Guaranteed to Fit
$20.99
Vehicle Fitment
  • 2008 GMC Sierra 3500 HD WT 8 Cyl 6.0L Auxiliary Cooler Inlet Tube (transmissionmfrcode : 6L90, Hvy Duty Trans Clg Sys(KNP), Except Elec Clg Fan(K06))
  • 2008 GMC Sierra 3500 HD SLT 8 Cyl 6.0L Auxiliary Cooler Inlet Tube (transmissionmfrcode : 6L90, Hvy Duty Trans Clg Sys(KNP), Except Elec Clg Fan(K06))
  • 2008 GMC Sierra 3500 HD SLE 8 Cyl 6.0L Auxiliary Cooler Inlet Tube (transmissionmfrcode : 6L90, Hvy Duty Trans Clg Sys(KNP), Except Elec Clg Fan(K06))
Product Details
Warranty : 24-months or unlimited mile AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : GM Original Equipment Series
GM Original Equipment Series Oil Cooler Line - Direct Fit, Sold individually
Part Number: AC25856246
Guaranteed to Fit
$207.99
Vehicle Fitment
  • 2008 GMC Sierra 3500 HD WT 8 Cyl 6.0L 2-Door, Cab & Chassis, transmissionmfrcode : 6L90, Hvy Duty Trans Clg Sys(KNP)
  • 2008 GMC Sierra 3500 HD SLT 8 Cyl 6.0L 4-Door, Cab & Chassis, transmissionmfrcode : 6L90, Hvy Duty Trans Clg Sys(KNP)
  • 2008 GMC Sierra 3500 HD SLE 8 Cyl 6.0L 4-Door, Cab & Chassis, transmissionmfrcode : 6L90, Hvy Duty Trans Clg Sys(KNP)
Product Details
Notes : 74.01 in. Length; 0.37 in. ID; 0.63 in. OD; Rubber/SteelWarranty : 24-months or unlimited mile AC Delco limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : GM Original Equipment SeriesRecommended Use : OE ReplacementProduct Fit : Direct Fit
OE Solutions Series Oil Cooler Line - Direct Fit, Sold individually
Part Number: RB625199
Guaranteed to Fit
$52.49
Vehicle Fitment
  • 2008 GMC Sierra 3500 HD WT 8 Cyl 6.6L transmissionmfrcode : 1000, transmissionmfrname : Allison, Tube And Hose
  • 2008 GMC Sierra 3500 HD SLT 8 Cyl 6.6L transmissionmfrcode : 1000, transmissionmfrname : Allison, Tube And Hose
  • 2008 GMC Sierra 3500 HD SLE 8 Cyl 6.6L transmissionmfrcode : 1000, transmissionmfrname : Allison, Tube And Hose
Product Details
Location : Transmission To Radiator (lower)Warranty : Lifetime Dorman limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : OE Solutions SeriesInterchange Part Number : 20835123, 21998958, 25807956, 5801281Replaces OE Number : 20835123, 21998958, 25807956, 5801281Product Fit : Direct Fit
Oil Cooler Line - Direct Fit, Sold individually
Part Number: FS53015
Guaranteed to Fit
$14.49
Vehicle Fitment
  • 2008 GMC Sierra 3500 HD All Submodels All Engines Cooler Line
Product Details
Notes : Transmission Type; Fitting Style; Universal Type of Fit; Rubber Material; Black Color; 54 in. Hose Length; Non-Molded Hose Shape; 300 PressureWarranty : 120-day 4-Seasons limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Recommended Use : OE ReplacementProduct Fit : Direct Fit
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Everything went very well in my purchase! Price was was great. Great shipping...even See More
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Product Questions & Answers

Q:what is the ID size and length of this hose?
Kirby K.
A:BEST ANSWERHi Kirby, thank you for reaching out. The inside diameter of this hose is 0.34 inches. The hose length is 54 inches. If your vehicle information matches this part, you can use this link to order this part at a low price today while supplies last: https://www.carparts.com/oil-cooler-line/4-seasons/fs53015?can=CPAP3648_CSQA_20240914 I hope this helps. Happy shopping. Show less
Aldrin P.
 
1 Question, 1 AnswerView all Q&As >

Helpful Automotive Resources

Bad Oil Cooler Line Symptoms
Bad Oil Cooler Line SymptomsWhen the oil cooler line wears out, its damaged part might leak oil. The leak will deplete the vehicle’s engine oil. It will also reduce the pressure that moves the lubricant through the oil cooling system.