✅ Engine Compatibility

• Cummins Engines: 4B3.9, 4BT 3.9
• Common Applications: Compact excavators, skid steers, light construction equipment, agricultural machinery, and light-duty trucks powered by the Cummins 4BT 3.9L 4-cylinder diesel engine

🔧 Product Highlights

• Direct-Fit Replacement: Engineered to OEM specifications for 3917530 / 0460424055 — bolt-on installation with no modifications required
• Built for the Legendary Cummins 4BT: The 4BT 3.9 is one of the most popular and widely swapped diesel engines in the world — this pump is engineered to match its fuel delivery demands precisely
• Restored Injection Pressure & Timing: Delivers precise fuel metering across all load ranges for full torque output, reliable starts, and optimal fuel efficiency
• New Aftermarket Quality: Manufactured to meet or exceed Cummins OEM standards at a significant cost saving over dealer pricing
• Minimizes Downtime: Get your equipment or vehicle back in service fast — no waiting on OEM backorders

📦 What's Included

• 1 × Fuel Injection Pump (3917530 / 0460424055)

🔑 Key Specs

• Part Numbers: 3917530 | 3917530RX | 3914924 | 0460424055
• Condition: New, Aftermarket
• Fits Engines: Cummins 4B3.9, 4BT 3.9 (4-cylinder, 3.9L diesel)

The Cummins 4BT 3.9 is one of the most beloved diesel engines ever made — compact, torquey, and virtually indestructible when properly maintained. Whether it’s powering a compact excavator on a job site or a custom truck build, a worn injection pump robs the 4BT of its signature low-end grunt. This direct-fit replacement restores full fuel delivery and injection timing, giving your 4BT the performance it was built to deliver.