4903084 Diesel Fuel Injector supports controlled fuel delivery for engine repair, B2B excavator parts sourcing, and wholesale replacement programs.
The 4903084 Diesel Fuel Injector YNF17845 is supplied as a precision fuel injection component for compatible diesel engine repair and overhaul applications. Fuel is delivered into the combustion system in a controlled manner so that stable combustion, engine response, and power output can be supported under changing working loads.
Precision internal components are incorporated because injector performance depends on accurate fuel delivery during repeated engine operating cycles. When an injector becomes worn, contaminated, or damaged, starting performance, fuel efficiency, exhaust condition, and engine stability may be affected.
For B2B buyers, the 4903084 engine injector should be confirmed by part number, engine information, injector markings, body configuration, and existing-part photos before quantity purchasing. Accurate verification helps engine repair businesses and parts distributors reduce mismatched orders, additional freight costs, and unwanted inventory.
| Parameter | Specification |
|---|---|
| YNF Part Number | YNF17845 |
| Part Number | 4903084 |
| Product Name | Diesel Fuel Injector |
| Alternative Name | Engine Injector / Fuel Injector Assembly / Diesel Injector |
| Product Type | Diesel Fuel Injection Component |
| Parts Category | Engine / Fuel System Parts |
| Main Function | Controlled Fuel Delivery and Injection |
| Fuel Type | Diesel |
| Application | Compatible Diesel Engine Fuel System |
| Installation | Engine Fuel Injection System |
| Material | Precision Metal Assembly |
| Fitment Check | Part Number / Engine Information / Injector Marking / Existing Part Photo |
| Quality Type | Aftermarket Replacement |
| Condition | New |
| Brand | YNF |
| Origin | China |
| MOQ | 1 Piece |
| Shipping Method | Air, Sea, Express |
| Payment Terms | T/T, PayPal, Western Union |
| Application | Description |
|---|---|
| Diesel Engine Fuel System | Provides controlled fuel delivery for compatible engines |
| Fuel Injection System | Used as a precision engine injection component |
| Engine Overhaul | Suitable for replacement during diesel engine rebuilding |
| Fuel System Repair | Used when worn or faulty injectors are being replaced |
| Construction Machinery | Suitable for compatible diesel-powered equipment |
| Heavy Equipment Service | Supports engine maintenance and fuel-system repair |
| Spare Parts Distribution | Suitable for engine and excavator parts wholesalers |
| B2B Inventory | Suitable for importers, workshops, and machinery parts dealers |
Q: What is the part number of this injector?
A: The reference part number is 4903084.
Q: What is the YNF part number?
A: The YNF part number is YNF17845.
Q: What type of product is 4903084?
A: It is a diesel fuel injector used in compatible engine fuel injection applications.
Q: What does the 4903084 injector do?
A: Fuel is delivered into the engine combustion system in a controlled manner to support diesel engine operation.
YNF Machinery supplies 4903084 diesel fuel injectors and related engine fuel-system components for machinery dealers, engine rebuilders, repair workshops, wholesalers, and international spare parts importers.
The YNF17845 fuel injector is intended for compatible diesel engine repair, overhaul, and replacement requirements. Because precision injectors with similar external appearances can use different internal specifications or engine applications, selection should not be made only by visual comparison.
Professional buyers can provide the 4903084 part number, required quantity, engine information, injector markings, and clear photos of the removed component for confirmation.
For distributors preparing engine-repair inventory, fuel injectors can also be sourced together with injection pumps, filters, seals, sensors, and other excavator engine parts, allowing multiple repair items to be combined into a single purchasing inquiry.
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