Fuel Injector 719255-53100 — Single Unit Replacement for Yanmar 3TN66L-UWD, 3TNE74-MG, 3TNE74-USR & 3TNA72-USR Engines

Diagnosed one faulty injector on your Yanmar 3-cylinder compact engine? This brand-new single fuel injector is the precise, direct-fit solution. Engineered to OEM-compatible specifications for the 719255-53100, it restores accurate fuel atomization and consistent combustion to the affected cylinder — eliminating the rough running, power loss, or excessive smoke that a worn injector causes on these compact, efficient Yanmar engines.

Why Choose This Injector?

• Single Unit — Replace Only What You Need — The cost-effective choice when diagnostics confirm one faulty injector. Get your Yanmar equipment back to smooth, reliable operation without replacing the full set.
• Direct OEM-Compatible Fit — Engineered to match Yanmar 719255-53100 specifications for the 3TN66L-UWD, 3TNE74-MG, 3TNE74-USR, and 3TNA72-USR engines. Installs without modifications for a clean, straightforward swap.
• 100% New Aftermarket Part — Not rebuilt or remanufactured. Full service life and reliable performance right out of the box, ready for immediate installation.
• Restored Fuel Atomization — Precise spray pattern restores proper combustion in the affected cylinder, recovering lost power, improving fuel economy, and smoothing out engine operation.
• Reliable Cold Starts — Consistent fuel delivery ensures dependable starting in cold conditions, keeping your equipment operational when you need it most.
• Reduced Emissions — Proper fuel atomization ensures complete combustion for cleaner, more efficient engine operation.

Compatible Part Number

719255-53100

Compatible Yanmar Engines

Yanmar 3TN66L-UWD | Yanmar 3TNE74-MG | Yanmar 3TNE74-USR | Yanmar 3TNA72-USR

Product Details

• Part Number: 719255-53100
• Quantity: 1 Injector
• Condition: 100% New Aftermarket
• Compatible Brand: Yanmar
• Engine Type: 3-Cylinder Compact Diesel
• Applications: Compact Equipment, Agricultural Machinery, Construction Equipment, Generators

Need to replace all three? Check out our 3-piece injector set for a complete matched replacement across all cylinders and better overall value.

Get your Yanmar back to its legendary reliability and efficiency — order today and ship fast from Fuel Parts Depot.