Upgrade or replace your pump, oil 21mm gear pair with this premium quality part designed specifically for Cummins B/QSB3.3 engines. The Pump, Oil 21mm Gear Pair (Item Number: C4945774) ensures OEM-level performance, durability, and fitment. This component is built to withstand the rigors of diesel engine operation and offers reliable performance under demanding conditions.

Why choose Heavy Duty Kits for your Cummins parts?
– Trusted supplier of heavy-duty diesel engine components
– Competitive pricing with fast shipping across the U.S.
– All parts meet or exceed OEM specifications
– Expert support team ready to assist with your engine rebuild or repair

Whether you’re overhauling your Cummins B/QSB3.3 engine or doing routine maintenance, this part is a reliable solution. Ideal for fleet owners, repair shops, and diesel mechanics.