Genuine 4BT 4BT3.9 Diesel Engine High Pressure Fuel Injection Pump (Part #3974628 / 4A128)
Premium OEM-grade construction with precision-machined steel components for unmatched durability under extreme pressure. Advanced sealing technology prevents leaks and ensures consistent fuel delivery for optimal engine performance. Engineered for Cummins 4BT and 4BT3.9 diesel engines, ideal for heavy-duty trucks, industrial machinery, and agricultural equipment. Direct replacement part with exact OEM specifications—no modifications required. Exclusive bulk pricing available for fleet managers and repair shops. Globally sourced for guaranteed authenticity and cost efficiency. Ships worldwide with wholesale discounts on large orders.