✅ Compatibility

• Makes: Kubota / Caterpillar (CAT)
• Engines: Kubota V3800, Kubota V3800T (turbocharged), Caterpillar CAT C3.8
• OEM Part Number: 1J500-53051
• Note: The CAT C3.8 engine is based on the Kubota V3800 platform — this injector covers both Kubota and CAT C3.8 applications. Verify your engine serial number and existing injector part number before ordering. Contact us for fitment confirmation.

🔧 Product Highlights

• Direct OEM Replacement: Drop-in fit for Kubota V3800 / V3800T and CAT C3.8 common rail fuel systems — matches original connector, mounting, and spray pattern specifications
• Dual Brand Coverage — Kubota & CAT: The CAT C3.8 is built on the Kubota V3800 platform, meaning one injector part number covers both Kubota-branded and CAT-branded equipment — ideal for dealers and workshops servicing both brands
• Restores Full Engine Performance: Corrects hard starting, rough idle, misfires, excessive black smoke, loss of power, and injector fault codes caused by a worn or clogged injector
• Fits a Wide Range of Equipment: The Kubota V3800 / CAT C3.8 engine family is used across compact construction equipment, agricultural machinery, and industrial power units
• 100% New — Not Remanufactured: Full service life from installation with no rebuilt-injector uncertainty

📦 What's Included

• 1× Fuel Injector (1J500-53051) — New Aftermarket

🔑 Key Specs

• Part Number: 1J500-53051
• Compatible Engines: Kubota V3800 / V3800T / Caterpillar CAT C3.8
• Injector Type: Common Rail Diesel Injector
• Condition: New Aftermarket
• SKU: 1J500-53051

⚠️ Please verify your engine serial number and existing injector part number before purchasing. The CAT C3.8 and Kubota V3800 share the same injector — confirm 1J500-53051 matches your existing injector before ordering.