CSF’s new all-aluminum H3 radiator finally addresses all the weak points of the original plastic tank radiator. The most significant failure point on this model is the upper mounting pin, which is made of plastic. There is too much stress on this pin, and it causes the plastic tank to crack. CSF’s CNC machined billet top mounting pin takes care of this issue and will last the lifetime of the car.

The second weakness of the OEM radiator, is the push-connect plate-type oil-cooler that is used to cool the automatic transmission fluid. CSF has beefed up this cooler using a stronger 4-plate cooler which will meet the demands of heavy towing and off-road driving.

CSF’s new H3 all-aluminum radiator is a true “drop-in fit’ including the original threaded plastic filler neck design now machined in aluminum. CSF includes an embossed cap cover for the original plastic cap to complete the high-end look of the 1-hour hand polished mirror finished radiator.

This radiator will fit with the original AC condenser, fan shroud, and all original mounting brackets with no modifications needed.

Stronger core design with reinforced aluminum tabs in all four corners

All-aluminum CNC machined side mounting brackets. A vast improvement over the OE plastic tanks.

Once again, CSF has listened to our customers to come out with another solution to address another problematic OEM radiator.

  • MSRP: $579.00 USD / MAP: $529.00 USD

Get your new radiator today from one of our friends at Redline360:

CSF#7061 All-aluminum performance radiator Fits

Hummer H3 & H3T

2006-2010: 3.5L, 3.7L, & 5.3L

ChevY Colorado

2007-2012: 5.3L

GMC Canyon

2007-2012: 5.3L

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    If you have an Automatic Transmission there should be a built in oil cooler for the transmission. If you have a manual transmission these feature most likely wouldn’t not be utilized.

    Does this radiator have more cooling capacity or are all the improvements in strength and appearance? What I want is a replacement radiator that does a better job cooling. I don’t care if it’s polished and pretty.