Fuel Injector 1J808-53052 — Aftermarket Replacement for Kubota D1803 & V2403 Engine — Single Unit

Replace a single failed injector and restore balanced fuel delivery to your Kubota D1803 or V2403 engine with this direct-fit aftermarket common rail fuel injector. Cross-compatible with OEM part numbers 1J808-53052 and 0445110775, this 100% new unit is engineered to OEM specifications — delivering precise fuel atomization, consistent spray patterns, and reliable performance in the Kubota R430 loader and other D1803/V2403-powered equipment.

💡 Pro Tip: If your Kubota has high mileage or multiple injectors are showing wear, consider our 4-Pack Set for a complete service and better value per injector.

Why This Injector?

• Precise Fuel Atomization — Consistent spray pattern optimizes combustion efficiency and engine responsiveness
• Improved Cold-Start Performance — Reliable fuel delivery for dependable starts in low-temperature field and jobsite conditions
• Reduced Emissions & Fuel Consumption — Cleaner combustion lowers exhaust output and improves fuel economy
• Direct OEM-Spec Fit — Engineered for Kubota D1803 and V2403 engines; bolt-on replacement with no modifications
• 100% New — Not Rebuilt — Full service life from installation day one
• Cost-Effective Single Replacement — Replace only what’s failed without committing to a full set

Compatible Engines & Equipment

• Make: Kubota
• Engines: D1803, V2403
• Equipment: Kubota R430 Loader
• Applications: Construction equipment, agricultural machinery, compact loaders

Part Details

• Part Numbers: 1J808-53052 | 0445110775
• Quantity: 1 x Fuel Injector
• Condition: 100% New Aftermarket

A single misfiring injector disrupts the entire combustion cycle — causing rough idle, black smoke, and wasted fuel across all cylinders. Swap it out fast and get your Kubota back to work.