AFA Industries Injector Sleeve 2274239
AFA Industries part 2274239 is a direct replacement injector sleeve for Caterpillar engines including the 3406E, C15, C16, and C18. Manufactured to Cat OEM specifications (also cross‑ref’d as 166‑3739, 263‑4920), this sleeve aligns the injector cup and O‑ring assembly properly, reduces wear inside the injector bore, and ensures consistent fuel injection performance. Suitable for heavy-duty and high-mileage applications.
$12.72
Specifications
The AFA Industries 2274239 Injector Sleeve is an aftermarket equivalent to Caterpillar part 227‑4239, commonly cross-referenced also as 166‑3739 and 263‑4920. It is engineered to fit Cat engines such as 3406E, C15, C16, C18, and 3456, providing precise bore alignment for injector cups and O‑rings. The sleeve prevents injector cup damage and wear from thermal and mechanical stresses, ensuring optimal fuel injection system integrity. Weighing ~0.23 lb and packed in compact packaging (~3 × 3 × 3 in), it's ideal for professional rebuilds and maintenance shops. Available in bulk kits (6 per engine) for fleets or multi-valve rebuilds.
Weight
0.23
Compatibility
Freightliner, Kenworth, Peterbilt Class 8 trucks with Cat 3406E/C15/C16/C18 engines.
Caterpillar 3406E, C15, C16, C18, and 3456 series engines (mid‑1990s through 2000s)
Caterpillar 3406E, C15, C16, C18, and 3456 series engines (mid‑1990s through 2000s)
Alternative Part Numbers
Caterpillar 227‑4239
166‑3739
263‑4920
Interstate‑McBee M‑2274239
166‑3739
263‑4920
Interstate‑McBee M‑2274239
