Set of 4 Fuel Injector Nozzel Assy For Kubota V2203 V2003 D1703
Set of 4 Fuel Injector Nozzle Assy For Kubota V2203 V2003 D1703 is an aftermarket injector nozzle assembly designed to restore precise fuel delivery on Kubota V2203, V2003 and D1703 engines, priced at $68.95, and ideal for small-tractor owners seeking reliable performance after wear.
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Key features
- Exact OEM fit – matches original Kubota part numbers
- Improved atomization for smoother power
- Durable high-temperature alloy construction
- Bolt-on installation fits standard injector ports
- Cost-effective performance restoration
- Fits a wide range of Kubota small-tractor models
Pros
- +Restores original engine performance
- +Easy bolt-on installation
- +Durable material resists heat and wear
- +Cost-effective compared to full engine rebuild
Cons
- −Requires basic mechanical tools to install
- −May need injector timing check after replacement
- −Limited to specific Kubota engine series
About Set of 4 Fuel Injector Nozzel Assy For Kubota V2203 V2003 D1703
What is Set of 4 Fuel Injector Nozzel Assy For Kubota V2203 V2003 D1703?
This is a four-piece aftermarket fuel injector nozzle assembly set built to replace the original injectors on Kubota V2203, V2003, and D1703 diesel engines. Offered by Lab Work Auto, the set cross-references factory part numbers 16454-53905, 16454-53900, 16454-53000, and 16454-53903, making it a straight-swap solution for tractors, skid steers, and excavators running these engine families.
Key features
- Complete set of four — enough nozzles to service all cylinders in one job, so you avoid mixing old and new injectors.
- OEM cross-reference — matches Kubota numbers 16454-53905, 16454-53900, 16454-53000, and 16454-53903 for direct fitment.
- Three-engine coverage — engineered for the V2203, V2003, and D1703 diesel platforms used across Kubota's compact and utility lineup.
- Broad machine compatibility — fits L-series tractors including L3600, L3710, L3940, L4200, L4240, L4300DT, L4310, L4330, L4400, L4600, L4610, L4630, L4740, L48, and L5030.
- M-series and MX-series ready — works on M4700, M4800, M4900, M5400, M5700, MX4700, and MX5000 tractors.
- Compact equipment fit — covers KX121-2, KX121-3, KX161-2, KX161-3 excavators along with U45 and R510/R520 wheel loaders.
- Aftermarket value — priced well below dealer injectors while preserving spray geometry for clean combustion.
Who is Set of 4 Fuel Injector Nozzel Assy For Kubota V2203 V2003 D1703 for?
This set is aimed at owners and operators of Kubota-powered tractors, mini excavators, and compact loaders who are dealing with hard starts, black smoke, rough idle, or noticeable power loss. It suits experienced DIY mechanics comfortable pulling injectors and bleeding a diesel fuel system, as well as independent repair shops and rental fleet maintenance crews servicing farm, landscape, and light construction equipment.
How does Set of 4 Fuel Injector Nozzel Assy For Kubota V2203 V2003 D1703 compare?
Compared to genuine dealer injectors, this aftermarket set delivers comparable spray performance at a fraction of the cost, which matters when you need four units at once. Versus single-injector listings, buying the full set ensures balanced cylinder-to-cylinder atomization rather than pairing a fresh nozzle with three worn ones. And unlike used or rebuilt cores from salvage engines, these arrive new with fresh internals, removing the guesswork around remaining service life.
Best use cases
- →Replacing worn injectors on a 5-year-old Kubota tractor
- →Upgrading a refurbished utility tractor for resale
- →Restoring fuel efficiency after heavy-duty use
- →Preparing a farm machine for seasonal peak work
Is Set of 4 Fuel Injector Nozzel Assy For Kubota V2203 V2003 D1703 right for you?
Choose this injector set if you own a Kubota V2203, V2003 or D1703 engine and need a reliable, cost-effective way to regain lost power. Basic mechanical skills and standard hand tools are sufficient for installation. Alternatives include premium OEM replacements or universal injector kits, but they either cost more or may not match the engine’s exact flow characteristics.
How it compares: Compared with premium OEM injectors, this aftermarket set offers similar atomization and durability at a lower price point. It outperforms low-cost universal kits that often lack precise flow rates, making it a balanced choice for performance-focused owners.
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What engines are compatible with this injector set?
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The set is compatible with Kubota V2203, V2003 and D1703 engines, which are common in many small-tractor and utility-tractor models. It also fits other Kubota machines that share the same injector port dimensions and flow specifications.
Does the kit include all necessary hardware?
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Yes, the kit contains four injector nozzles that match the original part numbers. While it does not include external seals or gaskets, those are typically reusable from the original installation, so no additional hardware is usually required.
How does installation affect engine performance?
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When installed correctly, the nozzles restore proper fuel atomization, leading to smoother power delivery, better fuel efficiency, and reduced emissions. Incorrect installation can cause timing issues, so a brief check of injector timing after replacement is recommended.
Is this set suitable for high-load applications?
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The nozzles are built from high-temperature resistant alloy, making them suitable for typical agricultural and construction tasks. For extreme high-load or racing scenarios, a specialized performance injector may be preferable.
Can I install the set myself?
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If you have basic mechanical experience and access to standard hand tools, you can replace the injectors yourself. The bolt-on design simplifies the process, but consulting a service manual or professional mechanic is advised for best results.
How much does Set of 4 Fuel Injector Nozzel Assy For Kubota V2203 V2003 D1703 cost?
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Set of 4 Fuel Injector Nozzel Assy For Kubota V2203 V2003 D1703 is $68.95 at Lab Work Auto. Prices may change — click through to Lab Work Auto for the latest.
Is Set of 4 Fuel Injector Nozzel Assy For Kubota V2203 V2003 D1703 in stock at Lab Work Auto?
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Yes, Set of 4 Fuel Injector Nozzel Assy For Kubota V2203 V2003 D1703 is currently in stock at Lab Work Auto.
Specifications
- SKU
- F8-010320