Fuel System
In Stock Fuel Injector 1J808-53050 Compatible with Kubota D1803 V2403
ISO Certified Quality Assured
2-5 Day Ship Fast Dispatch
3-12 Mo. Warranty
Fuel System 1J808-53050 For Kubota fuel injector

In Stock Fuel Injector 1J808-53050 Compatible with Kubota D1803 V2403

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.

Key Highlights

  • Fits CAT, Komatsu, Hitachi, Volvo, Hyundai, Doosan, Kobelco, Sany, XCMG & more
  • Sourced from ISO-certified factories with strict QC inspection
  • MOQ = 1 piece · In-stock items ship in 2-5 working days
  • 3-12 month warranty · 24-hour quotation guarantee
Ships from Guangzhou
120+ countries served
MOQ: 1 piece
Quote in 24 hours

Ready for Dispatch — Kubota D1803 and V2403 compatible fuel injector 1J808-53050 held in Guangzhou stock, one piece minimum, freight window quoted at order.

Technical Specifications

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

Application Suitability

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

What Arrives Before the Machine Can Move Again

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]

Rapid Stock Confirmation for Down Machines

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.

Freight Windows Quoted Before You Commit

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]

Reading the Specification Sheet

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.

The Cost of a Wrong Part Number

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]

Why Source This Injector Here

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.

Documentation & Verification

  • Commercial invoice listing injector part number and Kubota engine compatibility
  • Cross-reference sheet mapping 1J808-53050 to alternate numbers (reference only)
  • Quality inspection record covering spray test and dimensional check
  • Warranty terms document valid from dispatch date, 3-12 months coverage
  • Packing photographs showing protective caps and cushioning before crate seal
  • HS code provided for customs clearance at destination port

Stock, Shipping & Arrival

  • Real-time stock check on 1J808-53050 before order confirmation issued
  • Express courier dispatch available within working days from Guangzhou warehouse
  • Protective nozzle caps and anti-corrosion wrapping applied for transit safety
  • Air freight option for consolidated urgent orders exceeding courier weight limits
  • Shipment tracking number issued at handover with estimated arrival window
  • Delivery confirmation follow-up once signed for at destination

Send the Part Number or a Nameplate Photo

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.

Frequently Asked Questions

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.

Compatible Brands & Models

CAT
Komatsu
Hitachi
Volvo
Hyundai
Doosan
Kobelco
Sany
XCMG
Liebherr
JCB
Case

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.

Shipping Information

  • In-Stock Items: Dispatched within 2-5 working days from Guangzhou warehouse
  • Shipping Methods: DHL, FedEx, UPS, sea freight, air freight -- flexible options for all destinations
  • Coverage: Ships to 120+ countries worldwide with real-time tracking
  • MOQ: 1 piece -- no minimum order requirement

Warranty & Quality

  • Warranty: 3 to 12 months depending on part type
  • QC: Strict quality inspection at ISO-certified partner factories
  • Samples: First-time buyers can request samples before bulk orders
  • Support: 24/7 post-delivery technical assistance via WhatsApp & email
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  • Full quotation: within 24 hours
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