✅ Vehicle & Engine Compatibility

• Engines: CASE 6T-590 | Cummins 6BT, 6BTA 5.9
• CASE Excavators: 1088, 888, 9030, 9030B
• CASE Tractors / Dozers: 850E, 855E
• CASE Wheel Loader: 621
• Hyundai Excavator: R200LC

🔧 Product Highlights

• Direct-Fit Replacement: Engineered to OEM specifications for 3916971 / 3916972 / 3921501 — bolt-on installation with no modifications required
• Dual Engine Compatibility: Fits both CASE 6T-590 and Cummins 6BT / 6BTA 5.9 — one of the most widely deployed construction engine platforms in the world
• Extensive Cross-Reference Coverage: Replaces 20+ OEM and aftermarket part numbers across the 391XXXX series — confirm fitment using any listed cross-reference
• Restored Injection Pressure & Timing: Delivers precise fuel metering across all load ranges, restoring full engine power and digging/lifting force to your equipment
• New Aftermarket Quality: Manufactured to meet or exceed CASE and Cummins OEM standards at a significant cost saving over dealer pricing
• Minimizes Machine Downtime: Get your excavator, dozer, or loader back on the job fast — no waiting on dealer backorders

📦 What's Included

• 1 × Fuel Injection Pump (3916971 / 3916972 / 3921501)

🔑 Key Specs

• Primary Part Numbers: 3916971 | 3916972 | 3921501 | 3917562
• Also Replaces: 3916971N | 3916972rx | J916972 | JR916972 | 76192108 | 76192107 | 3929658 | J929658 | JR929658 | J921501 | 3921501rx | 0460426167 | VER369-1 | J917562
• Condition: New, Aftermarket
• Fits Engines: CASE 6T-590 | Cummins 6BT, 6BTA 5.9
• Fits Equipment: CASE Excavators 888, 1088, 9030, 9030B | CASE Dozers 850E, 855E | CASE Loader 621 | Hyundai R200LC

The Cummins 6BT 5.9 is one of the most trusted diesel engines ever built — powering CASE excavators, dozers, and loaders that work hard on construction sites around the world. When the injection pump fails, your machine loses power and productivity. This direct-fit replacement restores full fuel delivery and injection timing across the entire 6BT/6BTA platform, getting your equipment back to work without the dealer wait or dealer pricing.