3944200 Preview Image
Isometric 3944200 Image 1
Front 3944200 Image 3
Top 3944200 Image 4
Left 3944200 Image 5
Right 3944200 Image 6
Back 3944200 Image 7
Bottom 3944200 Image 8

3944200
Injector
Cummins®

IN STOCK

Cummins®

5 are currently available

Ships within 1 business day

$224.99 $292.49
Genuine OEM Part

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing. We make it easy to buy truck parts online.

Manufacturer Warranty*
DESCRIPTION
A fuel injector is an essential component of a truck's fuel system. Part number 3944200 is a specific type of fuel injector designed for use in trucks. Its primary function is to deliver the precise amount of fuel required by the engine to operate efficiently. The fuel injector works by spraying a fine mist of fuel into the combustion chamber, where it mixes with air and ignites, creating power to turn the wheels. This process is controlled by the truck's engine control module (ECM), which receives signals from various sensors and adjusts the injector's operation accordingly. A faulty or clogged fuel injector can cause poor engine performance, decreased fuel efficiency, and even engine damage over time. Proper maintenance and regular replacement of worn injectors can help ensure reliable performance from your truck's engine for years to come.
RELATED PARTS
OE Equivalent
0-432-193-645

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
7.0 x 1.4 x 1.4 in
Weight
0.6 lbs

BILL OF MATERIALS

Name Quantity Part Number
O Ring Seal 1 3029820
Injector Seal 1 3906659
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.

Frequently Asked Questions

Have a question? Find common inquiries about parts and procedures with the link below.

FAQ PAGE

Get in Touch

Something specific? Our support team is ready to assist you with whatever you may need.

Drop us a line. 1-800-466-1571

fast

Fast Delivery

We offer same day fulfillment Mon-Fri until 5pm EST.

Genuine

Genuine Product

We only sell real OEM truck parts designed specifically for your truck.

Trust

Trusted Experience

We're a fourth generation truck dealership family operating in Los Angeles since 1922.