Cat Injectors

All Pro Truck Parts stocks fuel injectors for Caterpillar diesel engines, including C7, C9, C12, C13, C15, and 3406 platforms. We carry OEM, remanufactured, and aftermarket injectors — from HEUI injectors on the C7 and C9 to mechanical unit injectors on the 3406 and 3176.

CAT engines use different injector technologies depending on the generation and emissions tier, so matching by engine serial number is the most reliable way to get the right part. Every reman injector is rebuilt to factory specs with new nozzles, solenoids, and seals. Visit our help center for cross-reference assistance.