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.

Knox Trailers · Cooling System
CAC123
In stock · ships from Knoxville
This is an aftermarket charge air cooler (intercooler) for 2018 and newer Volvo VNL and VNR heavy-duty trucks.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 2 applications
Add your truck to see whether it's one of them
All confirmed applications for this part number.
Other applications
Other applications
Aftermarket replacement listed for 2018+ Volvo VNL/VNR. Confirm core dimensions (H: 32 1/4", W: 23 1/2", D: 2 7/16") and OEM/part numbers match your original unit.
Part data verified against 1 catalog sources
Different year, make, or config? Get a confirmation against your truck in under a minute.
It cools hot compressed air from the turbocharger before it enters the engine, increasing air density for better combustion, power, and fuel efficiency. A leaking, clogged, or damaged cooler can cause power loss, black smoke, or overheating, so it should be replaced when those symptoms appear or physical damage is found. Always verify the exact dimensions and OEM cross‑references before installing, as aftermarket units can vary.
Part Number: CAC123
Charge Air Cooler VOLVO
Dealer: Knox Trailers
Compatibility, alternatives, and more