Description
Quick Answer: The CAT 321-0655 injector is a common rail fuel injector designed for Caterpillar C6.6 and C4.4 engines. It is available both as OEM new and aftermarket new,
321-0655 CAT C6.6 NEW INJECTOR
- Part Number: 321-0655 (sometimes listed as 3210655 or 321-0655N).
- Engine Compatibility: Caterpillar C6.6 and C4.4 engines (common in CAT 320D excavators and other mid-size equipment).
- Type: Common rail fuel injector.
- Condition Options:
- OEM New: Certified Caterpillar injector, usually sold through authorized dealers.
- Cross References: 317-5278, 317-2300.
