One Stop Solutions 13017 Radiator

Radiator for Colorado, Canyon, H3 and H3T

One Stop Solutions Part Number 13017 is an OSC Premium new automotive radiator built to OE-style form and function. It is engineered for direct replacement use in the 2006-2012 Chevrolet Colorado, 2009-2012 GMC Canyon, 2006-2010 Hummer H3, and 2009-2010 Hummer H3T, with a downflow design and integrated transmission oil cooler.

Built with premium-grade aluminum cooling components, plastic tanks, and a plated transmission cooler, this radiator is designed for a precise fit and consistent cooling performance. The 13017 radiator is a practical choice for drivers searching for a replacement radiator for 2009-2012 Chevrolet Colorado or 2006-2010 Hummer H3 applications.

Key Features

• OE-style radiator design for direct replacement fitment
• Downflow configuration with plastic tanks
• Integrated plated transmission oil cooler
• Core dimensions: 18 7/16 in. height, 23 1/8 in. width, 1 in. thickness
• Inlet diameter: 1 5/16 in.; outlet diameter: 1 9/16 in.
• Single-row core construction
• Die-cut gasket design for leak resistance
• Individually pressure tested during production
• Includes necessary fittings or hardware as supplied by OSC

Detailed Description

OSC Part Number 13017 is engineered to match original equipment cooler design where originally equipped, with a focus on fit, function, and cooling efficiency. The radiator uses premium-grade materials and factory-style component placement, including fitted and torqued assemblies built to factory specifications. The transmission oil cooler is plated, and the unit is tested before and after assembly to verify cooler and radiator integrity. This makes it a strong replacement option for Colorado, Canyon, H3, and H3T owners needing a radiator that installs cleanly and maintains OE-style packaging.

This part cross-references APDI 8012855 for the same application.

Common Problems This Radiator Can Address

• Coolant leaks from a damaged or aging radiator tank or core
• Transmission fluid temperature concerns tied to a failing cooler circuit
• Overheating caused by restricted or deteriorated radiator passages
• Cracked plastic tanks or weakened seals on high-mileage vehicles
• Poor cooling performance after impact damage or corrosion

Installation Notes and Tips

Verify radiator dimensions, inlet and outlet sizes, and cooler line routing before installation. This radiator is a downflow unit with an integrated transmission oil cooler, so line connection points should be matched to the vehicle’s original layout. Flush the cooling system, inspect hoses and clamps, and confirm the cooling fan and thermostat are operating correctly before returning the vehicle to service. Part Number 13017 is designed for direct replacement use in the listed Chevrolet, GMC, and Hummer applications.

Quality Assurance

OSC tests the transmission and engine oil coolers before installation into the tank, checks the radiator core prior to assembly, and tests the completed unit again after assembly. The design also incorporates enhancements aimed at improving durability in higher-mileage vehicles, including increased fin density and a thicker core where applicable. Part Number 13017 is built to support OE-style performance and consistent fitment for the listed applications.