Fuel Injector 4928260 for Cummins ISX15/QSX15 – High-Flow Replacement for Hyundai R800LC

Product Specifications

Compatible Models

Struggling with Engine Misfires or Power Loss on Your Hyundai R800LC? Get the Right 4928260 Fuel Injector for Cummins ISX15/QSX15

Every hour your R800LC sits idle due to inconsistent fuel delivery costs hundreds of dollars in lost productivity. OEM 4928260 fuel injectors take 3–4 weeks to arrive — and cost up to 45% more. Worse, counterfeit injectors cause uneven combustion, carbon buildup, and repeated cylinder failures. You need a trusted replacement that delivers precision atomization and consistent flow — without the wait or risk.

OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse

XUNPO supplies this 4928260 fuel injector from ISO-certified factories with strict incoming material inspection and 100% pre-shipment performance testing. Built for high-load excavation cycles, it matches original flow rate, injection timing, and spray pattern specifications for Cummins ISX15 and QSX15 engines. With 10,000+ SKUs in stock — including over 200 engine components for Hyundai excavators — we ship verified replacements within 2–5 working days. No mixing required: each unit is calibrated and tested as a matched set.

Where This Part Works

This 4928260 replacement injector is engineered for continuous-duty applications: quarry loading, urban demolition, port material handling, and large-scale earthmoving. In these environments, the injector endures extreme pressure spikes (up to 2,000 bar), thermal cycling (–20°C to +120°C), and constant vibration. Using an incorrect or low-tolerance injector leads directly to incomplete combustion, increased NOx emissions, and premature piston ring wear — especially critical when operating multiple R800LC units across a fleet.

Engineering Details That Matter

The injector body is precision-machined from heat-treated 42CrMo alloy steel, providing superior tensile strength (≥1,200 MPa) and resistance to hydraulic erosion at high rail pressures. Its needle valve uses hardened tungsten carbide seating (HV 1,800+) for >500,000 actuation cycles without leakage drift. The electromagnetic coil meets ISO 16750-2 vibration standards and operates reliably at 12V ±10% supply variance. All internal sealing surfaces are lapped to Ra ≤0.2 µm, ensuring zero internal leakage below 1,500 bar — matching OEM dimensional tolerances within ±0.005 mm.

The Real Cost of Wrong Parts

A $120 counterfeit 4928260 injector may save $40 upfront — but causes misfire-related downtime averaging 4.2 hours per incident. At typical rental rates of $1,800/day for an R800LC, one failure costs $378 in lost revenue — before labor, diagnostics, and secondary damage. OEM-equivalent parts reduce total cost of ownership (TCO) by extending service intervals to 8,000–10,000 operating hours, versus 3,500–4,500 hours with substandard units. Our 4928260 replacement injector complies with SAE J1850 and Cummins ISX15 calibration protocols — not just physical fit.

Why Customers Trust XUNPO

Packaging & Shipping

• Each injector is vacuum-sealed in anti-static film, cushioned in molded EPE foam, and packed in a rigid double-wall corrugated carton labeled with part number and batch code.
• In-stock items ship within 2–5 working days after order confirmation.
• Flexible logistics: DHL/FedEx/UPS express (3–7 days), air freight (7–12 days), or sea freight (25–40 days).
• All shipments include real-time tracking via carrier portal and email alerts at key milestones.
• MOQ is 1 piece — designed for urgent field repairs and single-cylinder diagnostics.

Get Your 4928260 Fuel Injector Now

Your R800LC’s uptime depends on reliable fuel delivery — don’t let procurement delays or quality uncertainty stall your next job. Send us your part number (4928260), machine model (e.g., R800LC-9), quantity, and destination country. You’ll receive a competitive quote within 24 hours — and first-time buyers can request a sample for bench testing before bulk ordering. Every day delayed is another day of unplanned downtime.

Frequently Asked Questions