Fuel Pump Assembly 2521307 for Polaris Ranger 570 900 Crew XP 900
Get your Polaris Ranger back to peak performance with the reliable Fuel...
1J808-53050 Fuel Injector compatible with Kubota D1803 and V2403 engines, new aftermarket condition with ISO 9001 certification. Ready to ship from Guangzhou warehouse with one-piece minimum order — no bulk commitment needed for urgent repairs. Express, air, and sea freight options available with upfront delivery timing. Arrival window quoted at order confirmation based on selected freight method.
Ready for Dispatch — Kubota D1803 and V2403 compatible fuel injector 1J808-53050 held in Guangzhou stock, one piece minimum, freight window quoted at order.
| Parameter | Value |
|---|---|
| Part Number | 1J808-53050 |
| Product Type | Fuel Injector |
| Cross-Reference (reference only) | 1J808-53052, KEARI-1J808, 0445110775, 0 445 110 775, 1J80853050, 1J80853052, KEARI1J808, 1J80853051, 1J808-53051, 1J808 53051, 0445110711 |
| Machine Fitment | D1803, V2403, D1803-CR-TIE4B-KEA-1, V2403-CR-TIE4BG-KEA1, D1803-CR-TIE4, V2403-CR-TIE4, R430, R430CA |
| Brand Compatibility | Compatible with Kubota, Bosch |
| Condition | New Aftermarket |
| Warranty | 3-12 months against manufacturing defects |
| Quality Standard | ISO 9001 |
| Failure Symptom | Replacement Urgency |
|---|---|
| Engine cranks but fails to start, or misfires under load | Immediate — machine is non-operational |
| Black or white exhaust smoke with fuel consumption spike | High — indicates incomplete combustion damaging downstream components |
| Rough idle, loss of power on R430 loader mid-shift | Critical — job-site production halted until fuel delivery restored |
| Metallic debris found in fuel filter during routine service | Preventive — injector nozzle damage likely, failure imminent |
Stock confirmation and freight options provided within hours, not days.
When a Kubota D1803 shuts down on a quarry floor or a V2403-powered R430 loader won't fire on a cold morning, every hour the machine sits costs real money. Waiting for part number verification alone can consume two or three working days with some suppliers, and minimum order quantities often block a single emergency injector purchase. The reality on site is that machines don't fail on a convenient schedule. [NEED_CITE: common rail injector failure modes in compact diesel engines]
When a workshop supervisor or site mechanic sends a photo of a worn nameplate or a partially legible part number, our technical team cross-checks the identifier against known Kubota D1803 and V2403 engine variants. This fuel injector in stock / fast shipping Kubota D1803 V2403 replacement is confirmed or ruled out before an order is placed — not after it ships. Guangzhou warehouse inventory is checked in real time, so the availability quoted at inquiry is the availability that ships.
Express dispatch via DHL, FedEx, or UPS typically reaches most international destinations within a matter of days, while air freight suits heavier consolidated shipments to regional hubs. Sea freight remains available for planned stock replenishment once the immediate machine-down crisis has passed. Each fuel injector in stock / fast shipping Kubota D1803 V2403 replacement leaves our facility packed for the chosen transport mode, with tracking details provided at handover. [NEED_CITE: international express freight transit standards for automotive parts]
This common-rail injector operates at the high injection pressures required by Kubota's CR-TIE4 and CR-TIE4B engine variants, where precise fuel metering directly governs combustion efficiency and emissions compliance. The nozzle geometry and spray pattern are engineered for the D1803 and V2403 combustion chamber profiles, meaning even small deviations in spray angle or droplet size can cause incomplete burn, carbon buildup, and elevated exhaust temperatures. The ISO 9001 manufacturing standard ensures dimensional consistency across production batches. For engines like the D1803-CR-TIE4B-KEA-1, correct injector calibration affects not just power output but also the longevity of the diesel particulate filter downstream.
Ordering an injector that physically threads in but delivers the wrong spray pattern or flow rate can mean a second teardown within weeks. The machine runs, the operator signs off, and then the piston crown overheats or the DPF loads up with soot prematurely. On a job site, that second failure often hits during the same project window — meaning two rounds of downtime, two sets of labor hours, and a customer who has lost patience. Correcting the fitment before the first installation avoids the compounding cost. [NEED_CITE: diesel injector mismatch effects on DPF loading rates]
Our Guangzhou warehouse holds fast-moving fuel system components, so a single injector for an R430 loader ships without waiting for a production run. One-piece orders are standard — there is no minimum quantity barrier for an emergency repair. When a machine nameplate is painted over or corroded, our team identifies the correct variant from a photograph of the engine block or the old injector body. Cross-reference verification covers superseded numbers like 1J808-53051 and 1J808-53052, catching errors that copied tables often carry forward. Both our self-produced lines and sourced supply operate under the same QC protocol and warranty terms.
To confirm availability and get a freight quote with arrival timing, provide the injector part number, the engine model stamped on the block, or a clear photograph of the machine nameplate. If the plate is unreadable, a photo of the existing injector — including any markings on the body — allows our team to verify the correct variant for your specific Kubota D1803 or V2403 build.
Q: Is this fuel injector in stock and when can it ship? A: This Kubota D1803 and V2403 compatible fuel injector is held in our Guangzhou warehouse for fast dispatch. Stock status is confirmed in real time at inquiry, and express shipments typically leave within working days of order placement. Freight options and estimated arrival windows are quoted before you commit to the order.
Q: Can I order just one injector for an emergency repair? A: Yes. There is no minimum order quantity on this part. A single fuel injector for an R430 loader or any compatible Kubota engine ships on its own. This is specifically structured for urgent, machine-down situations where buying a full set is unnecessary.
Q: How fast can it arrive via express or air freight? A: Express courier services such as DHL, FedEx, or UPS typically deliver within several business days to most destinations. Air freight is available for larger consolidated shipments. Exact transit timing depends on destination and is quoted upfront based on the chosen shipping method.
Q: The nameplate on my machine is unreadable — how do you confirm the right part? A: Send a photograph of the engine block, the old injector body, or any remaining markings. Our technical team cross-references the visual details against known Kubota D1803 and V2403 variants, including superseded numbers, to confirm the correct match before dispatch.
Q: What happens if the part arrives and doesn't fit? A: Our warranty covers manufacturing defects for 3 to 12 months from dispatch. If the fitment issue stems from a verification error on our side, we address replacement promptly. This is why we confirm compatibility from multiple data points — part number, engine model, and photographs — before any shipment leaves.
Not sure if this part fits your machine? Send us your machine model number and serial number via WhatsApp or email -- our specialists will verify compatibility within 2 hours.
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