• Part Numbers: 7N0449, Stanadyne 22808 (also written as 7N-0449)

• Type: Complete diesel fuel injector assembly

• Engine Family: Caterpillar 3300 series (commonly 3304 / 3306 applications)

• What’s Included: 1x complete injector (as pictured)

• Fitment Tip: Match your existing injector number to 7N0449 or 22808 before ordering

Replacement complete diesel fuel injector for applications using Caterpillar 7N0449 / Stanadyne 22808. Commonly used on CAT 3300 series engines, including many 3304 / 3306 setups. Verify fitment by matching the part number on your old injector before purchase. If you’re unsure, send a clear photo of your injector number and your engine information and we’ll help confirm.