My engine is overheating does this mean I need to replace my radiator?

GM Genuine Parts Engine Radiator

About this product

ACDelco GM Original Equipment Radiators are GM-recommended replacements for your vehicles original components. Radiators are heat exchangers, typically located in the front of the vehicle where air can flow through the fins and dissipate heat. Modern radiators are made from aluminum and plastic, while older vehicles used copper and brass. These radiators are designed to be corrosion resistant with optimal heat transfer characteristics. These original equipment radiators have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Warning WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Lightweight; the radiators have a positive heat transfer to weight ratio
Corrosion-resistant aluminum designed core helps optimize the radiators long lasting
GM-recommended replacement part for your GM vehicle's original factory component
Offering the quality, reliability, and durability of GM OE
Manufactured to GM OE specification for fit, form, and function

Product Specifications

Down Flow Or Cross Flow TypeCross Flow

Engine Oil Cooler Fitting Diameter0.63 in / 16 mm

Core Row Quantity1

Engine Oil Cooler IncludedNo

Inlet Diameter1.53 in / 38.91 mm

Core Height17.25 in / 438.1 mm

Transmission Oil Cooler Plate Quantity6

Transmission Oil Cooler Fitting GenderFemale

Engine Oil Cooler Fitting GenderFemale

Core Width34 in / 863.6 mm

Core MaterialAluminum

Outlet Header Length22.28 in / 566 mm

Engine Oil Cooler Number of Plates5

Transmission Oil Cooler Distance between Fittings11.5 in / 292 mm

Transmission Oil Cooler TypePlate

Outlet Header Width4.37 in / 111 mm

Transmission Oil Cooler Length13.11 in / 333 mm

Mounting Hardware IncludedNo

ClassificationOE

Radiator Cap IncludedNo

Inlet Header Width3.23 in / 82 mm

Outlet LocationBottom Right

Inlet Header Length19.29 in / 490 mm

Outlet Diameter1.54 in / 33.27 mm

Frame IncludedYes

Tank MaterialPlastic

Transmission Oil Cooler Fitting TypeQuick Connect

Internal Transmission Oil CoolerYes

Internal Engine Oil CoolerNo

Transmission Oil Cooler Fitting Diameter0.47 in / 12 mm

Mounting TypeBraket

Transmission Oil Cooler IncludedYes

Engine Oil Cooler TypePlate

Core Thickness1.06 in / 27 mm

Engine Oil Cooler Fittings Distance Apart11.5in

Down Flow Or Cross Flow TypeCross Flow

Core Row Quantity1

Inlet Diameter1.53 in / 38.91 mm

Transmission Oil Cooler Plate Quantity6

Engine Oil Cooler Fitting GenderFemale

Core MaterialAluminum

Engine Oil Cooler Number of Plates5

Transmission Oil Cooler TypePlate

Transmission Oil Cooler Length13.11 in / 333 mm

ClassificationOE

Inlet Header Width3.23 in / 82 mm

Inlet Header Length19.29 in / 490 mm

Frame IncludedYes

Transmission Oil Cooler Fitting TypeQuick Connect

Internal Engine Oil CoolerNo

Mounting TypeBraket

Engine Oil Cooler TypePlate

Engine Oil Cooler Fittings Distance Apart11.5in

Engine Oil Cooler Fitting Diameter0.63 in / 16 mm

Engine Oil Cooler IncludedNo

Core Height17.25 in / 438.1 mm

Transmission Oil Cooler Fitting GenderFemale

Core Width34 in / 863.6 mm

Outlet Header Length22.28 in / 566 mm

Transmission Oil Cooler Distance between Fittings11.5 in / 292 mm

Outlet Header Width4.37 in / 111 mm

Mounting Hardware IncludedNo

Radiator Cap IncludedNo

Outlet LocationBottom Right

Outlet Diameter1.54 in / 33.27 mm

Tank MaterialPlastic

Internal Transmission Oil CoolerYes

Transmission Oil Cooler Fitting Diameter0.47 in / 12 mm

Transmission Oil Cooler IncludedYes

Core Thickness1.06 in / 27 mm

Limited Lifetime Warranty for Parts (plus Labor if installed by a GM dealer)

Please visit our warranty page on Gmparts.com for full warranty details.

Maintain proper coolant levels and check levels regularly. Also make sure to check coolants concentration because the water ratio can affect the freezing or boiling point. (Note: Never attempt to remove a surge or radiator cap while the engine is hot. Serious injury could result.)

Replace coolant with a mixture of antifreeze and water according to the owner's manual recommendations.
Evaluate radiator and radiator cap for leaks, corrosion, or worn cap gasket. Make sure to pressure test the cap.
Have cooling system inspected immediately if instrument panel-mounted temperature gauge indicates engine overheating.
Periodically, remove bugs, leaves, and other debris from the front of the radiator. They can block airflow and substantially reduce cooling efficiency.

Model	Body Style	Trim	Year(s)
Express 3500	2 Door - Cutaway Van		2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
Express 4500			2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017

About this product

Warning WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Lightweight; the radiators have a positive heat transfer to weight ratio
Corrosion-resistant aluminum designed core helps optimize the radiators long lasting
GM-recommended replacement part for your GM vehicle's original factory component
Offering the quality, reliability, and durability of GM OE
Manufactured to GM OE specification for fit, form, and function

Product Specifications

Down Flow Or Cross Flow TypeCross Flow

Engine Oil Cooler Fitting Diameter0.63 in / 16 mm

Core Row Quantity1

Engine Oil Cooler IncludedNo

Inlet Diameter1.53 in / 38.91 mm

Core Height17.25 in / 438.1 mm

Transmission Oil Cooler Plate Quantity6

Transmission Oil Cooler Fitting GenderFemale

Engine Oil Cooler Fitting GenderFemale

Core Width34 in / 863.6 mm

Core MaterialAluminum

Outlet Header Length22.28 in / 566 mm

Engine Oil Cooler Number of Plates5

Transmission Oil Cooler Distance between Fittings11.5 in / 292 mm

Transmission Oil Cooler TypePlate

Outlet Header Width4.37 in / 111 mm

Transmission Oil Cooler Length13.11 in / 333 mm

Mounting Hardware IncludedNo

ClassificationOE

Radiator Cap IncludedNo

Inlet Header Width3.23 in / 82 mm

Outlet LocationBottom Right

Inlet Header Length19.29 in / 490 mm

Outlet Diameter1.54 in / 33.27 mm

Frame IncludedYes

Tank MaterialPlastic

Transmission Oil Cooler Fitting TypeQuick Connect

Internal Transmission Oil CoolerYes

Internal Engine Oil CoolerNo

Transmission Oil Cooler Fitting Diameter0.47 in / 12 mm

Mounting TypeBraket

Transmission Oil Cooler IncludedYes

Engine Oil Cooler TypePlate

Core Thickness1.06 in / 27 mm

Engine Oil Cooler Fittings Distance Apart11.5in

Down Flow Or Cross Flow TypeCross Flow

Core Row Quantity1

Inlet Diameter1.53 in / 38.91 mm

Transmission Oil Cooler Plate Quantity6

Engine Oil Cooler Fitting GenderFemale

Core MaterialAluminum

Engine Oil Cooler Number of Plates5

Transmission Oil Cooler TypePlate

Transmission Oil Cooler Length13.11 in / 333 mm

ClassificationOE

Inlet Header Width3.23 in / 82 mm

Inlet Header Length19.29 in / 490 mm

Frame IncludedYes

Transmission Oil Cooler Fitting TypeQuick Connect

Internal Engine Oil CoolerNo

Mounting TypeBraket

Engine Oil Cooler TypePlate

Engine Oil Cooler Fittings Distance Apart11.5in

Engine Oil Cooler Fitting Diameter0.63 in / 16 mm

Engine Oil Cooler IncludedNo

Core Height17.25 in / 438.1 mm

Transmission Oil Cooler Fitting GenderFemale

Core Width34 in / 863.6 mm

Outlet Header Length22.28 in / 566 mm

Transmission Oil Cooler Distance between Fittings11.5 in / 292 mm

Outlet Header Width4.37 in / 111 mm

Mounting Hardware IncludedNo

Radiator Cap IncludedNo

Outlet LocationBottom Right

Outlet Diameter1.54 in / 33.27 mm

Tank MaterialPlastic

Internal Transmission Oil CoolerYes

Transmission Oil Cooler Fitting Diameter0.47 in / 12 mm

Transmission Oil Cooler IncludedYes

Core Thickness1.06 in / 27 mm

Limited Lifetime Warranty for Parts (plus Labor if installed by a GM dealer)

Please visit our warranty page on Gmparts.com for full warranty details.

Maintain proper coolant levels and check levels regularly. Also make sure to check coolants concentration because the water ratio can affect the freezing or boiling point. (Note: Never attempt to remove a surge or radiator cap while the engine is hot. Serious injury could result.)

Replace coolant with a mixture of antifreeze and water according to the owner's manual recommendations.
Evaluate radiator and radiator cap for leaks, corrosion, or worn cap gasket. Make sure to pressure test the cap.
Have cooling system inspected immediately if instrument panel-mounted temperature gauge indicates engine overheating.
Periodically, remove bugs, leaves, and other debris from the front of the radiator. They can block airflow and substantially reduce cooling efficiency.

Model	Body Style	Trim	Year(s)
Express 3500	2 Door - Cutaway Van		2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017
Express 4500			2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017

Frequently Asked Questions

No, an overheating engine could mean an issue with your radiator, but there are other pieces of the cooling system that could cause the engine to overheat. It is important to check for coolant leaks or a malfunctioning fan. If you look at the radiator and there is a lot of corrosion or holes there may be a problem with the radiator. Either way it is important to get the whole cooling system checked when your engine overheats.

About this product

Product details

Specifications

Product Specifications

Warranty

Maintenance

Maintain proper coolant levels and check levels regularly. Also make sure to check coolants concentration because the water ratio can affect the freezing or boiling point. (Note: Never attempt to remove a surge or radiator cap while the engine is hot. Serious injury could result.)

Fits these vehicles

About this product

Product details

Specifications

Product Specifications

Warranty

Maintenance

Maintain proper coolant levels and check levels regularly. Also make sure to check coolants concentration because the water ratio can affect the freezing or boiling point. (Note: Never attempt to remove a surge or radiator cap while the engine is hot. Serious injury could result.)

Fits these vehicles

Frequently Asked Questions