$2,250.00
KEN12 Radiator for Kenworth T600, T660 & T800 (2006–2008)
The KEN12 is a replacement radiator for Kenworth T600, T660 and T800 trucks (2006–2008). It has a 40″ x 28″ x 2-5/8″ four-row core with 2-1/2″ inlet and outlet connections and no oil cooler. King Radiator HD supplies it from Mississauga, Ontario, to fleets and owner-operators across Canada.
KEN12 Specifications
| Spec | Detail |
|---|---|
| Part number | KEN12 |
| Fits | Kenworth T600, T660, T800 (2006–2008) |
| Engines listed | Paccar MX13 380–500 HP, Cummins ISX15 400–600 HP |
| Core size | 40″ x 28″ x 2-5/8″, 4 row |
| Inlet / Outlet | 2-1/2″ / 2-1/2″ |
| Top hose connection | Curved |
| Lower hose connection | Angled 56° to the right and 30° down |
| Oil cooler | None |
| Reference numbers | X3642, X5601-09, X5601-20 |
Check the Hose Connections Before You Order
The KEN12 has a curved top hose connection and an outlet angled 56° to the right and 30° down. Compare both against your old radiator. Running a different Kenworth setup? The KEN06 has a 3″ outlet and fits T2000, T300, T400, T600A, T800 and W900 trucks. Send us your truck’s year, model and engine and we’ll confirm the match.
Built for Heavy Kenworth Workloads
Kenworth T660 and T800 trucks running 400–600 HP engines put a lot of heat through the cooling system, and a weak radiator is a common cause of overheating. Our guide to common heavy-duty truck radiator problems and fixes covers the warning signs to watch for.
Replace or Repair Your Kenworth Radiator?
If the damage is limited to a tank or part of the core, repair may cost less than a new unit. See our repair vs. replacement cost guide, or ask about our heavy-duty truck radiator repair and rebuilding and radiator re-coring services. If the radiator is beyond repair, the KEN12 is ready to order.
Running trucks through Canadian winters? Read our cooling system winterizing tips for heavy-duty fleets before the cold hits.
Order or Request a Quote
Add the KEN12 to your cart, or request a fleet quote for multiple units. Call 888-603-1655 or 905-795-9009.
What trucks does the KEN12 radiator fit?
The KEN12 fits Kenworth T600, T660 and T800 trucks (2006–2008), according to the King Radiator spec sheet.
What are the KEN12 core dimensions?
The core measures 40″ x 28″ x 2-5/8″ and has four rows.
What are the KEN12 inlet and outlet sizes?
Both the inlet and outlet are 2-1/2″. The top hose connection is curved, and the lower hose connection is angled 56° to the right and 30° down.
Does the KEN12 have an oil cooler?
No. The KEN12 has no oil cooler.
What are the KEN12 reference numbers?
X3642, X5601-09 and X5601-20.
What is the difference between the KEN12 and KEN06?
Both have a 40″ x 28″ x 2-5/8″ four-row core. The KEN12 has a 2-1/2″ outlet angled 56° right and 30° down. The KEN06 has a 3″ outlet and fits T2000, T300, T400, T600A, T800 and W900 trucks.
Can I repair my Kenworth radiator instead of replacing it?
Sometimes. Localized tank or core leaks can often be repaired or re-cored, which can cost less than a new unit. King Radiator HD can inspect and pressure-test your radiator to confirm.
