Single Injector Replacement for Kubota Excavator Engines — D722, D902, D782, Z482 & Z602

When diagnostics isolate a single faulty injector on your Kubota-powered excavator or compact equipment, a targeted single-unit replacement is the precise, cost-effective fix. This 100% new injector restores factory-spec fuel delivery to the affected cylinder — eliminating rough running, excess smoke, and power loss without the cost of a full-set replacement.

Why This Injector

• Kubota-Spec Precision — Matched to OEM injection timing, spray geometry, and pressure requirements for D722, D902, D782, Z482, and Z602 engines
• Restores Throttle Response & Smooth Operation — Eliminates the hesitation, rough idle, and black smoke caused by a worn or clogged nozzle
• Built for Heavy Equipment Cycles — Consistent fuel metering during the constant load cycling, digging, and lifting demands of excavation work
• High-Pressure & Heat Rated — Durable construction handles sustained high-pressure cycling and thermal stress across long job-site hours
• 100% New — Not Remanufactured — Full service life from installation; no worn internals or compromised seals
• Direct OEM Replacement — Drop-in fit, no modifications or adapters required

Fitment

• Engines: Kubota D722  |  D782  |  D902  |  Z482  |  Z602
• Typical Equipment: Mini excavators, compact track loaders, skid steers, and small construction machinery powered by these Kubota engines
• OEM / Cross-Reference Part Number: 16871-53002

What's in the Box

• 1 × New Fuel Injector (16871-53002)

Replacing both injectors? We also carry this as a complete 2-piece set — the smarter choice for high-hour engines or full service intervals to ensure uniform spray characteristics across all cylinders.

Important: This listing uses part number 16871-53002. If your engine requires 16871-53904, please verify against your existing injector or engine serial number — we carry both variants.

Always confirm the part number before ordering. Need help identifying the right injector for your machine? Contact us — we specialize in Kubota engine parts across the full D-series and Z-series range.