Bosch 0445120018 Common Rail Fuel Injector 4940589 for Dodge Ram Cummins 5.9L 2003-2004

1. Product Overview

Brand new Bosch 0445120018 common rail fuel injector for the Dodge Ram 2500/3500 with the Cummins 5.9L ISB engine, model years 2003–2004. Cummins cross numbers 4940589 / 3949619 / 3949913 / 5254686; Mopar numbers R8004082AA/AB/AC, R5086894AA, R8310748AA; Bosch eXchange number 0986435503. Generation warning: the 2004.5–2007 trucks use 0445120032 — the two generations are different injectors and are not interchangeable.

2. Specifications

3. Fitment

Dodge Ram 2500/3500 with the Cummins 5.9L ISB engine, 2003–2004. Fitment data is for reference only — please confirm by the number engraved on your old injector or send us your VIN before ordering.

4. Cross-Reference

5. After-Sales & Warranty

Professional installation by a qualified diesel technician is recommended. Every injector is covered by a 6-month warranty (3 months for wear parts). Defective or wrong items can be returned or exchanged within 15 days of receipt; return shipping is on the buyer unless the error is ours. Orders are processed within 1–2 business days with tracking, and refunds are issued within 7 business days after inspection. Full terms: see our Shipping & Returns page.

6. Why Choose Us

Factory-direct supply from Wuhan Ranyingyi Trading Co., Ltd. (injector-factory.com). Every injector is bench-tested before shipment, packed for export, and backed by fast, technical support on WhatsApp (+86 156 3802 2858) — send us your old injector’s engraved number or your VIN and we verify the exact match free of charge before you pay.

FAQ

Q1: How can I be sure this injector fits my engine?

A: Send us the number engraved on your old injector, or your VIN, on WhatsApp (+86 156 3802 2858). Our technicians will verify the exact compatibility free of charge before you order. Fitment data on this page is for reference only.

Q2: Does the price include shipping?

A: No. Our prices do not include shipping. Please contact us on WhatsApp (+86 156 3802 2858) for the latest price, and the freight will be confirmed with you on WhatsApp after you place the order, before anything is charged for delivery.

Q3: What warranty and returns do I get?

A: Core injectors carry a 6-month warranty (wear parts 3 months). Defective or wrong items can be returned or exchanged within 15 days of receipt; refunds are processed within 7 business days after inspection.