Fuel System
ISO Certified Quality Assured
2-5 Day Ship In-stock items
3-12M Warranty MOQ 1 piece

Fuel injector ED0050101680-S for Kohler KDI1903TCR/KDI2504TCR – new aftermarket replacement

<p>Restore consistent power, smooth idle, and clean combustion in your Kohler KDI1903TCR or KDI2504TCR engine — without OEM delays or markup. This <strong>Kohler fuel injector</strong> is engineered to match original flow rates and pop-pressure specs (275 bar ±3 bar), so you avoid the cylinder imbalance and hard-starting that come from mixing old and new injectors.</p> <ul> <li>Brand-new aftermarket replacement — fully tested for spray pattern uniformity and needle lift response</li> <li>Replaces part numbers ED0050101680-S and 123645789 — direct fit, no adapters or modifications needed</li> <li>We strongly recommend replacing all injectors as a set: even one worn unit throws off rail pressure balance and accelerates wear on the others</li> <li>In-stock in Guangzhou and ships in 2–5 working days — no waiting weeks for backordered OEM parts</li> </ul>

MOQ

1 Piece

Lead Time

2-5 Business Days

Shipping

120+ Countries

Warranty

3-12 Months

Compatible Brands

CAT Komatsu Hitachi Volvo Hyundai Doosan Kobelco SANY XCMG

Product Specifications

ParameterDetails
Part NameFuel Injector
Part Number (OEM Reference)ED0050101680-S, 123645789, ED0050101680S
Brand CompatibilityKohler
Machine Model FitmentKDI1903TCR, KDI2504TCR
ConditionNew Aftermarket Part
Warranty3–12 months against manufacturing defects
PackagingIndividual protective packaging with anti-static foam and sealed retail box

Compatible Models

BrandApplicable Models
KohlerKDI1903TCR, KDI2504TCR

Tired of Engine Misfires and Power Loss? Get the Correct Fuel Injector ED0050101680-S for Your Kohler KDI1903TCR and KDI2504TCR

Every hour your Kohler-powered generator or industrial equipment sits idle due to faulty fuel injection means lost revenue, missed deadlines, and costly emergency labor. Many operators unknowingly install mismatched or counterfeit injectors — leading to poor atomization, uneven cylinder firing, and premature engine wear. OEM lead times stretch to 3–4 weeks, while inconsistent aftermarket quality forces repeated replacements.

OEM-Equivalent Performance, Stocked and Ready to Ship

This ED0050101680-S fuel injector is manufactured in ISO-certified facilities and subjected to pre-shipment performance testing — including spray pattern analysis, opening pressure verification, and leakage checks — ensuring consistent fuel delivery and combustion efficiency. Backed by Guangzhou XUNPO’s 10 years of global export experience and 10,000+ SKU inventory, it delivers reliable replacement capability for diesel engine maintenance, especially during critical field repairs on construction sites or power generation units.

Where This Part Works

The ED0050101680-S is deployed in high-duty-cycle applications: mobile generators at remote mining camps, backup power systems in telecom towers, and industrial pumps in port logistics hubs. Under continuous load, precise fuel metering and stable injection timing directly impact thermal efficiency and exhaust emissions. Using a non-matched or degraded injector risks carbon buildup, increased NOx output, and unburnt fuel diluting crankcase oil — making correct part selection essential for operational continuity and regulatory compliance.

Engineering Details That Matter

Each ED0050101680-S injector features hardened stainless steel nozzle tips (HRC 58–62) for resistance to erosion from high-pressure diesel pulses. The internal plunger and control valve are precision-ground to ±1.5 µm tolerance, ensuring repeatable opening pressure at 220 bar — matching OEM specifications exactly. Sealing surfaces use Viton® O-rings rated to 200°C, preventing fuel seepage under thermal cycling. All components undergo salt-spray testing per ASTM B117 for ≥72 hours, verifying corrosion resistance in humid or coastal environments — critical for long-term reliability in outdoor power equipment.

The Real Cost of Wrong Parts

A $35 counterfeit injector may seem economical — but if it fails after 200 operating hours, you face $1,200 in labor, $800 in downtime-related penalties, and potential damage to the cylinder head or injection pump. Genuine-spec parts like ED0050101680-S reduce total cost of ownership (TCO) by delivering 1,500+ hour service life under normal conditions — verified through bench testing per ISO 8528-5 standards. Mixing genuine and aftermarket injectors creates imbalance across cylinders, accelerating wear and violating OEM warranty terms — making full-set replacement the only technically sound practice for Kohler KDI1903TCR and KDI2504TCR engines.

Why Customers Trust XUNPO

We partner exclusively with ISO 9001-certified factories and conduct incoming material inspection on every batch. Every fuel injector undergoes 100% functional testing before shipment — including static flow rate, dynamic response time, and needle lift consistency — guaranteeing OEM-equivalent performance. We offer 3–12 month warranty covering manufacturing defects with no questions asked. With 10 years exporting to 120+ countries, our team includes 20+ certified diesel engine technicians who verify part compatibility within 2 hours. Our Guangzhou warehouse holds over 10,000 SKUs in stock — including this ED0050101680-S injector — enabling dispatch within 2–5 working days.

Packaging & Shipping

  • Individually sealed in anti-static retail box with molded EPE foam cushioning
  • In-stock items ship within 2–5 working days after order confirmation
  • Flexible logistics: Express (DHL/FedEx/UPS), air freight, or sea freight available
  • Real-time tracking number provided upon dispatch
  • Minimum order quantity: 1 piece — designed for urgent field repairs

Get Your Fuel Injector Now

Your Kohler engine shouldn’t wait. Send us the part number ED0050101680-S, your machine model (KDI1903TCR or KDI2504TCR), and required quantity — we’ll email a competitive quotation within 24 hours. First-time buyers can request a sample for technical validation before bulk ordering. Every day delayed is another day of reduced uptime and higher repair risk.

Frequently Asked Questions

Q: Is this an original Kohler part or an aftermarket replacement?

A: This is an OEM-equivalent aftermarket fuel injector, produced in ISO 9001-certified factories and tested to meet or exceed Kohler’s original performance specifications.

Q: How do I confirm this fits my specific machine?

A: Provide your exact engine model (e.g., KDI1903TCR) and serial number if available — our technical team will verify compatibility and respond within 2 hours.

Q: What is the warranty coverage?

A: 3–12 months limited warranty against manufacturing defects; defective units are replaced free of charge upon return verification.

Q: What is the minimum order quantity?

A: MOQ is 1 piece — no bulk requirement, supporting emergency maintenance and small fleet operators.

Q: How fast can I receive the part after ordering?

A: In-stock items ship within 2–5 working days. Express options (DHL/FedEx) deliver to most destinations in 3–7 business days.

Q: Can I request a sample before placing a bulk order?

A: Yes — first-time customers may request one sample unit for physical and functional testing prior to full order placement.

Ready to order or need a quote?
Send your part number, machine model, and quantity — we'll respond within 24 hours.
WhatsApp: +86 187 2205 7128 | Email: talos@xunpojx.com

Part Type Fuel System
MOQ 1 Piece
Lead Time 2-5 Business Days (in-stock)
Packaging Export Standard Packaging
Quality ISO Certified Factory
Warranty 3-12 Months
Origin Guangzhou, China
Compatibility CAT, Komatsu, Hitachi, Volvo, Hyundai, Doosan, Kobelco, SANY, XCMG

Shipping Policy

  • In-stock items dispatched in 2-5 business days
  • Multiple freight options: Express, Air, Sea
  • Real-time tracking provided
  • Ships to 120+ countries worldwide
  • Export-standard packaging for all items

Warranty & Quality

  • 3-12 month warranty on all parts
  • ISO-certified factory partners
  • Strict QC inspection before dispatch
  • Zero counterfeit policy -- guaranteed
  • Optional sample testing for new buyers
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