1645453903 1645453900 Fuel Injector For Kubota L4400 L4600 L4610 L4630 L4740

Product Overview

This Fuel Injector delivers precise fuel atomization for Kubota L-series diesel engines, ensuring efficient combustion and optimal power output. Designed for utility tractors, it restores engine performance and reduces emissions in agricultural and property maintenance applications.

Key Features & Performance

• Precision-machined nozzle for consistent fuel spray pattern
• Direct OEM replacement with part numbers 1645453903 and 1645453900
• Constructed from high-grade steel for long service life
• Factory calibrated to meet Kubota specifications
• Reduces smoke and improves fuel economy

Fitment & Compatibility

• Kubota L4400 Tractor
• Kubota L4600 Tractor
• Kubota L4610 Tractor
• Kubota L4630 Tractor
• Kubota L4740 Tractor

Common Uses

• Replacement for worn or clogged injectors on Kubota diesel tractors
• Restoring engine power and starting reliability
• Use in farming, mowing, towing, and loader operations
• Suitable for both manual and hydrostatic transmission models

Technical Specifications

• Part Number(s): 1645453903, 1645453900
• Product Type: Fuel Injector Nozzle Assembly
• Injection Pressure: 1850 psi (approx.)
• Number of Holes: 4
• Thread Size: M12 x 1.25

Frequently Asked Questions

Q: Do I need to replace all injectors at once? A: While it is recommended to replace injectors in sets for balanced performance, a single faulty injector can be replaced individually if the others are in good condition.

Q: Will this injector work on other Kubota engine models? A: This injector is specifically designed for L4400, L4600, L4610, L4630, and L4740 tractors; always verify engine compatibility using part numbers before installation.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.