Your cart is empty
Browse our catalog to find the parts you need.
These images are illustrative and may not match the product exactly. Always verify by part number — or confirm instantly with the assistant using a photo or VIN.
ROPPEL · Cooling System
PET06
In stock · ships from Knoxville
This is a heavy-duty downflow radiator with a remote surge tank and a 3-row copper/brass core, designed for Peterbilt 379, 377, 378, and similar Class 8 trucks with engines up to 500 horsepower.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 4 applications
Add your truck to see whether it's one of them
All confirmed applications for this part number.
Peterbilt
Peterbilt
Verify actual core depth needed; some listings show 2-1/4" depth for 3-row versions. Installation may require bushing kits RB06Kit and RB034Kit. On 1998 or older vehicles, check for fan clearance and bracket adjustments. For engines exceeding 500 hp, consider the 4-row PET10 or 5-row PET29 versions.
Part data verified against 4 catalog sources
Numbers this part supersedes or interchanges with. Showing 16 of 47.
Different year, make, or config? Get a confirmation against your truck in under a minute.
It transfers engine heat to the ambient air through the coolant flow, keeping the engine at safe operating temperatures. A replacement is needed when the original radiator develops leaks, corrosion, blockages, or no longer provides adequate cooling.
Part Number: PET06
RADIATOR
Vendor: ROPPEL
Dealer: KP Services Crossville
Compatibility, alternatives, and more
