33800-4X400 Fuel Injector for Kia Sedona Carnival 2.9L

33800-4X400 Fuel Injector for Kia Sedona Carnival 2.9L

The 33800-4X400 Fuel Injector is a diesel common rail injector for Kia Sedona and Kia Carnival Mk II 2.9L diesel applications. It is suitable for injector replacement, diesel engine repair, and parts supply for repair shops and distributors.

This injector also cross-references with R03901D and R03902D. Please confirm your original injector number before ordering to make sure the part matches your engine.

Product Specifications

33800-4X400 Fuel Injector Features

• Designed for Kia Sedona and Carnival Mk II 2.9L diesel applications
• OE number matching: 33800-4X400
• Cross reference numbers: R03901D and R03902D
• Checked before shipping for stable performance
• Suitable for diesel repair shops and parts distributors
• Secure packaging for international delivery

Compatible Applications

• Kia Sedona 2.9L Diesel
• Kia Carnival Mk II 2.9L Diesel
• Engines requiring 33800-4X400 Fuel Injector replacement

Important Notice

Please check your original injector number before purchase. Vehicle model, engine version, and production year may vary. If you are not sure about compatibility, please send us your OE number, engine model, or injector photo before ordering.

For more diesel injection parts, please visit our Rayfuel Diesel Parts Shop or request a quote for bulk order support.

For more technical information about diesel injection systems, you can also visit Delphi Technologies diesel parts information.

33800-4X400 Fuel Injector identification and compatibility

The 33800-4X400 Fuel Injector should be selected by part number and verified against the component removed
from the engine. Vehicle model names alone are not sufficient because the same model can use
different fuel-system versions in different markets or production periods. Compare the number
on the old component, connector layout, mounting points, fuel connections and the visible body
shape. Please confirm OE number, engine model or old part photos before ordering.

Practical checks before replacing this diesel fuel injector

Hard starting, unstable idle, smoke, loss of power or unusual fuel consumption can have more
than one cause. A workshop should check fuel quality, supply pressure, return flow, wiring,
compression and related control components before deciding that replacement is required.
Diagnostic results should be considered together with the engine code and the number on the old
part. This avoids ordering by appearance only and helps distinguish a component fault from a
fuel-supply or electrical problem.

Installation and commissioning

Installation should be completed by a qualified diesel technician using clean tools and the
correct workshop procedure. Protect open fuel connections from contamination, replace required
seals, and follow the vehicle or engine manufacturer’s tightening and cleanliness instructions.
Some applications may require calibration data, coding, adaptation or relearn procedures, while
others do not. The applicable service information and diagnostic equipment should determine the
correct process for the specific engine.

Information to send for fitment confirmation

For an efficient compatibility check, send a clear photo of the complete old part and close-up
photos of every readable number. Include the vehicle or machine model, engine model, year and
destination market when available. If several numbers appear on the component, provide all of
them rather than relying on one shortened reference. These details help Rayfuel compare the
requested item with the available aftermarket replacement.

Rayfuel supply and product support

The 33800-4X400 Fuel Injector is supplied as an aftermarket replacement for professional diesel repair and parts
sourcing. Repair shops, distributors and wholesale buyers can review related products in the
Delphi common rail injector category. For quantity requirements or uncertain fitment, use the
Rayfuel contact page and include the OE number,
engine information and old-part photos. Packaging and shipping options can be discussed according
to the order quantity and destination.