Fuel Injection Pump 1J508-50500 — Aftermarket Replacement for Kubota V3800 Engine

Restore full fuel system performance to your Kubota V3800-powered equipment with this precision-built aftermarket injection pump. Whether you’re running a compact track loader on a construction site or a high-horsepower tractor in the field, this 100% new unit delivers the consistent, high-pressure fuel metering the V3800 engine demands — at a fraction of the OEM price.

At $1,640, this is a significant investment — and it’s backed by OEM-equivalent engineering, direct bolt-on fitment, and Fuel Parts Depot’s commitment to quality fuel system components.

Why This Pump?

• OEM-Spec Fuel Metering — Engineered to match Kubota V3800 factory injection pressure and timing specifications
• Consistent Performance Under Load — Maintains stable fuel delivery across variable RPM and heavy-duty operating conditions
• Reliable Cold-Start Performance — Dependable ignition in low-temperature field and jobsite conditions
• Direct Bolt-On Fit — Designed specifically for V3800-powered models; no modifications required
• 100% New — Not Rebuilt — Full service life from installation, not a refurbished core
• Broad Model Coverage — One pump fits both construction and agricultural Kubota equipment (see fitment below)

Compatible Equipment

Engine: Kubota V3800

Compact Track Loaders:

• Kubota SVL95-2S
• Kubota SVL97-2

Agricultural Tractors:

• Kubota M6-101DTC
• Kubota M5-111HDC
• Kubota M5-091HD

Part Details

• Part Numbers: 1J508-50500 | 299000-0020
• Quantity: 1 x Fuel Injection Pump
• Condition: 100% New Aftermarket

The Kubota V3800 powers some of the most demanding compact and agricultural equipment on the market. A worn or failing injection pump means lost power, increased fuel consumption, and costly downtime. This direct-fit replacement gets your machine back to full capacity — without the dealer wait or the OEM markup.