Oil Pump | Caterpillar 3406E / 3406 | Replaces OE# 4N733, 4N0733, 0R0918, 0R9448, 161-4111

This replacement oil pump for Caterpillar 3406 and 3406E engines is manufactured by Interstate-McBee and built from high-grade materials to ensure exceptional performance and durability. Designed to meet or exceed OEM specifications, this brand-new oil pump has undergone rigorous quality testing to deliver reliable oil flow and engine protection under demanding conditions.

No core return is required—this is a brand-new unit, not a remanufactured part.

Compatible with Caterpillar 3406 engine applications, this pump supports the long service life and performance the 3406 series is known for. The CAT 3406 is a robust, heavy-duty inline 6-cylinder diesel engine used widely in trucks, construction equipment, and marine applications. Trusted for decades, the 3406 series is a go-to for reliability, and using premium replacement parts like this oil pump helps maintain its legendary reputation.

Replaces OEM Part Numbers:
4N733, 4N0733, 0R0918, 0R9448, 161-4111, 1614111

Brand: Interstate-McBee
Fits: Caterpillar 3406 / 3406E Engines
Condition: New – No Core Required

Trust Heavy Duty Kits for premium-quality Interstate-McBee engine components built for performance and longevity.