Peterbilt 384/386 Radiator From Active!

770021 – Peterbilt 384/386, Kenworth W900 2008 – Newer Radiator

Core Dimensions

Height: 36″
Width: 36.75″
Depth: 2″
Overall Height: –


Product Type: Radiator
Orientation: Downflow
Filler Neck: None
Inlet: 2.5″ (Left)
Outlet: 2.5″ (Right/Bottom)
Oil Cooler: None

OE Numbers
770021 770021PT 770021ST 7721
S7721 SRM7721 633RA021
RA021 PET20 238648 TR8648
SCSI238648 239186 SCSI239186
TR9186 559186 PB66 PB66PA
437443S 437443 437443P CTVTU83734TT

Why Get The Cooling System Combo?

When it comes to the cooling system on your heavy equipment it is so important to ensure that everything is in working order. Let us help you to get your cooling system in the best shape possible.

An ineffective cooling system can cause several issues, such as reduced fuel mileage, damage to your turbo as well as contribute to an inefficient exhaust system. We want to help ensure that your cooling system is perfect working order. While you are replacing the radiator, it may be time to also replace the charge air cooler and condenser since you already have them out.

We want to save you from any costly downtime in the future, contact us today to find out how much we can help!

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Active Radiator

(866) 964- 0307