Durable CAT330D C9 injector harness ensuring stable electrical transmission and reliable fuel injection performance.
Direct replacement for CAT 215-3249 injector harness
Designed for CAT330D excavators using C9 engines
Heat-resistant, oil-resistant, and vibration-resistant wire insulation
Ensures stable injector signal transmission to maintain fuel efficiency
Ideal for engine rebuild shops, heavy equipment maintenance centers, and aftermarket distributors
The YNF17711 215-3249 injector harness is designed for the CAT330D excavator equipped with the C9 engine. It plays a critical role in transmitting electrical signals to each fuel injector, ensuring precise fuel delivery and stable engine performance. Over time, injector wiring harnesses can become brittle due to engine heat, oil contamination, and constant vibration, leading to misfires, reduced power, and increased fuel consumption.
Manufactured with high-temperature and oil-resistant insulation materials, the YNF harness ensures long-lasting performance even under demanding operating conditions. Its connectors are engineered for strong electrical contact and reliable locking, matching OEM specifications to guarantee proper fitment and dependable operation.
YNF Machinery provides consistent quality, competitive pricing, and stable stock—ideal for repair workshops, fleet maintenance, and engine parts distributors handling C9-powered equipment.
| Parameter | Details |
|---|---|
| YNF Part Number | YNF17711 |
| OEM Number | 215-3249 |
| Compatible Model | CAT330D Excavator |
| Engine Model | CAT C9 |
| Product Type | Injector Wiring Harness / Engine Harness Assembly |
| Connector Type | Injector plug assembly for CAT C9 |
| Material | Heat-resistant polymer, copper wiring |
| Function | Transmits injector signals for stable fuel injection |
| Resistance | Heat, oil, vibration, corrosion |
| Installation Position | Engine fuel injector circuit |
| Brand | YNF |
| Origin | China |
| MOQ | 1 Piece |
| Shipping Options | Sea, Air, Express |
| Payment Terms | T/T, PayPal, Western Union |
| Application Area | Description |
|---|---|
| CAT330D Excavator Engine System | Delivers injector signals for C9 fuel system |
| Engine Rebuild & Overhaul | Essential part when servicing aged or damaged harnesses |
| Heavy Equipment Maintenance | Ensures stable combustion and engine performance |
| Aftermarket Parts Distribution | High-demand electrical component for CAT C9 engines |
Related Products:
CAT330D C9 Injector
C9 Engine Wiring Harness
CAT330D Engine Sensor Kits
Excavator Electrical Connectors
Fuel Injection System Components
FAQs：
Q: Is this harness compatible with CAT330D C9 engines?
A: Yes, it replaces OEM 215-3249 and fits perfectly.
Q: What causes injector harness failure?
A: Heat, oil exposure, vibration, and connector oxidation.
Q: What is the minimum order quantity?
A: MOQ is 1 piece, suitable for urgent repairs.
The YNF17711 215-3249 injector harness offers reliable electrical transmission for CAT C9 engines used in CAT330D excavators. Engineered with durable insulation and precise OEM-style connectors, it prevents injector signal loss and enhances engine efficiency. YNF Machinery provides stable supply, competitive pricing, and consistent quality—trusted by workshops, fleets, and distributors worldwide. Contact us now for a fast quotation.
