Fuel System
Fuel Injector ED0050101680-S for Kohler KDI1903TCR/KDI2504TCR – New Aftermarket Replacement
<p>Restore peak combustion efficiency and eliminate rough idling or hard starts on your Kohler KDI1903TCR or KDI2504TCR — with a genuine new aftermarket <strong>Kohler fuel injector</strong> engineered to match OEM flow rates and pop pressure specs. Unlike mixed sets that cause imbalance, this ED0050101680-S replacement is calibrated for consistent 145–155 bar opening pressure and ultra-fine 12-hole atomization — critical for maintaining cylinder-to-cylinder balance and preventing carbon buildup.</p> <ul> <li><strong>Drop-in ready</strong>: Direct fit for both KDI1903TCR and KDI2504TCR — no adapters or coding needed</li> <li>Includes precision-ground nozzle tip with hardened stainless-steel needle (HRC 62–65) for extended service life under high-EGR conditions</li> <li>Pre-tested for leak-free operation at 200 bar — eliminates the risk of post-installation weeping or dribble common with uncertified injectors</li> <li>Ships same-day from our Guangzhou warehouse — no waiting weeks for OEM backorders</li> </ul>
Lead Time
2-5 Days
Warranty
3-12 Months
Min. Order
1 Piece
Ships To
120+ Countries
Request a Quote
Response within 24 hours
Product Details
Product Specifications
| Parameter | Details |
|---|---|
| Part Name | Fuel Injector |
| Part Number (OEM Reference) | ED0050101680-S, 123645789, ED0050101680S |
| Brand Compatibility | Kohler |
| Machine Model Fitment | KDI1903TCR, KDI2504TCR |
| Condition | New Aftermarket Part |
| Warranty | 3–12 months against manufacturing defects |
| Packaging | Individual protective packaging with anti-static foam and sealed retail box |
Compatible Models
| Brand | Applicable Models |
|---|---|
| Kohler | KDI1903TCR, 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 frustrated clients. Counterfeit or mismatched injectors cause uneven combustion, excessive smoke, and premature engine wear — problems that escalate fast under continuous load. OEM replacements often take 3–4 weeks to arrive, halting critical operations in construction, mining, or marine applications.
OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse
This fuel injector ED0050101680-S is manufactured in ISO-certified factories and tested for spray pattern, opening pressure, and leakage before shipment — matching original Kohler performance specs. With 10 years’ experience supplying heavy-duty engine components to 120+ countries, XUNPO delivers verified aftermarket parts trusted by repair centers and fleet operators running Kohler KDI-series diesel engines in demanding field conditions.
Where This Part Works
This injector is engineered for constant-duty applications: backup power generators at remote construction sites, mobile hydraulic power units on port cranes, and auxiliary engines in marine and offshore platforms. Under sustained high-load cycles and ambient temperatures up to 55°C, precise fuel atomization and consistent injection timing are essential — failure risks cylinder washdown, piston scoring, and catastrophic head gasket failure.
Engineering Details That Matter
The nozzle body is precision-machined from heat-treated stainless steel (AISI 420), ensuring resistance to thermal fatigue and corrosion from low-sulfur diesel fuels. The needle valve assembly features a 0.12 mm ±0.005 mm orifice tolerance, guaranteeing uniform fuel distribution across all cylinders. Sealing surfaces undergo mirror-finish lapping (Ra ≤0.05 µm) to prevent internal leakage at operating pressures up to 180 MPa. All components comply with ISO 8536-4 for diesel fuel injection nozzles and are calibrated to match original Kohler flow rate specifications within ±2.5%.
The Real Cost of Wrong Parts
A $45 counterfeit injector may save upfront, but it typically fails within 300–500 operating hours — less than half the service life of this XUNPO replacement. Each unplanned shutdown incurs direct costs: $1,200–$2,500 per day in rental equipment downtime, plus labor for rework and potential warranty voidance on the entire engine. Using non-matched injectors also triggers unbalanced cylinder pressures, accelerating wear on crankshafts, bearings, and turbochargers. Total cost of ownership favors verified, calibrated parts — not lowest price.
Why Customers Trust XUNPO
• We source exclusively from ISO 9001-certified factories; every batch undergoes incoming material inspection.
• 100% of fuel injectors are tested for pop pressure, flow consistency, and atomization pattern before shipment.
• All parts carry a 3–12 month warranty — defective units replaced without question.
• 10 years exporting to North America, Europe, Africa, and Southeast Asia — backed by real customer case histories.
• Our 20+ technical specialists verify part compatibility within 2 hours using OEM service manuals and cross-reference databases.
• Over 10,000 SKUs held in our Guangzhou warehouse — including ED0050101680-S — ship in 2–5 working days.
Packaging & Shipping
- Each injector is packed individually in anti-static foam inside a rigid retail box labeled with part number and compatibility.
- In-stock items ship from Guangzhou within 2–5 working days after order confirmation.
- Flexible logistics: Express (DHL/FedEx/UPS), air freight, or sea freight — selected per your delivery timeline and budget.
- Real-time tracking provided from warehouse dispatch to final delivery.
- Minimum order quantity: 1 piece — designed for urgent field repairs and diagnostic testing.
Get Your Fuel Injector ED0050101680-S Now
Your Kohler KDI engine shouldn’t wait weeks for a single injector. Send us your part number (ED0050101680-S or 123645789), machine model (KDI1903TCR/KDI2504TCR), and required quantity — we’ll email a competitive quote within 24 hours. First-time buyers can request a sample for bench testing before placing bulk orders. Every day delayed is another day your equipment remains offline.
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 original Kohler 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 verifies compatibility within 2 hours.
Q: What is the warranty period?
A: 3–12 months against manufacturing defects; defective units are replaced free of charge upon verification.
Q: What is the minimum order quantity?
A: 1 piece — no bulk requirement, supporting urgent maintenance and diagnostic needs.
Q: How soon can I receive the part after ordering?
A: In-stock items ship from our Guangzhou warehouse within 2–5 working days; express options available for faster delivery.
Q: Can I request a sample before placing a bulk order?
A: Yes — first-time customers may request one sample injector ED0050101680-S for functional testing prior to full order.
Ready to order or need a quote?
Send your part number, machine model, and quantity — we’ll respond within 24 hours.
WhatsApp: +86 13316055942 | Email: talos@xunpojx.com
Compatible Brands
Our parts are engineered to meet or exceed OEM specifications. Please provide your machine model number and serial number when inquiring to confirm exact compatibility.
How to Confirm Compatibility
-
1
Find Your Machine Model
Locate the model plate on your machine, typically near the cab or engine compartment.
-
2
Note the Part Number
Check your parts manual or existing part for the OEM part number.
-
3
Contact Our Team
Our technical team verifies compatibility within 2 hours. Send us the details via the inquiry form or WhatsApp.
Shipping Information
Express Shipping
DHL, FedEx, UPS -- 3-7 business days worldwide
Sea Freight
Cost-effective option for bulk orders -- 15-35 days
Real-Time Tracking
Tracking number provided after shipment. 24/7 support available.
Warranty Policy
All parts come with manufacturer warranty. Duration varies by product category.
- Manufacturing defects covered in full
- Free replacement or full refund for defective parts
- Post-delivery technical support included
- Sample testing available for first-time buyers
ISO Certified Quality
All parts sourced from ISO-certified factories with strict QC processes and material traceability.
Competitive Pricing
Save 30-50% vs OEM prices without compromising quality. Transparent pricing with no hidden fees.
Fast 2-5 Day Shipping
Large Guangzhou warehouse with 10,000+ SKUs in stock. Most orders ship within 2-5 business days.
10+ Years Experience
20+ professionals with deep technical knowledge serving 1,000+ clients across 120+ countries.
24/7 Technical Support
Dedicated support team available around the clock. Part verification within 2 hours of inquiry.
Global Reach
Flexible shipping solutions including express and sea freight to 120+ countries with real-time tracking.
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Need a Custom Quote?
Our technical team responds within 24 hours. MOQ 1 piece. Ships to 120+ countries from our Guangzhou warehouse.