4089894 Image1

4089894
Engine Piston Kit
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$809.95 $963.84
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.

Manufacturer Warranty*
DESCRIPTION
The engine piston kit, also known as a piston assembly or engine piston set, is a collection of components designed to convert the force generated by fuel combustion into mechanical energy. It is comprised of the piston head, connecting rod, wrist pin, and rings. The piston head moves up and down within the cylinder walls to compress fuel mixtures and generate power. The connecting rod connects the piston to the crankshaft and transfers this power to the wheels. The wrist pin holds these two components together while allowing them to move freely. The rings seal the gap between the cylinder wall and piston head to prevent oil leakage and maintain compression efficiency. A high-quality engine piston kit ensures optimal engine performance by providing reliable compression, efficient combustion, and reduced friction between moving parts.

SPECIFICATIONS

Comments
Refer to TSB150069.
Package Dimensions
6.88 x 6.88 x 10.25 in
Weight
12.9 lbs

BILL OF MATERIALS

Name Quantity Part Number
Retaining Ring 2 3064305
Piston Pin 1 3689296
Piston Ring Kit 1 5405717
* This information is provided as is and may be out of date.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.

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FAQ PAGE

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