4089865 Image1

4089865
Engine Piston Kit
Cummins®

AVAILABLE

Cummins®

2 are currently available

Ships within 2-4 business days

$769.95 $916.24
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
A Engine Piston Kit (part number 4089865) is a set of components that make up the piston assembly in an internal combustion engine. It typically includes the piston, piston rings, wrist pin, and circlips. The piston is responsible for compressing the air-fuel mixture in the engine's combustion chamber and transferring this energy to the crankshaft via the connecting rod. The piston rings help maintain a tight seal between the piston and cylinder wall, preventing oil from entering the combustion chamber and keeping compression high. The wrist pin connects the piston to the connecting rod and allows for rotational movement as it transfers energy to the crankshaft. A high-quality engine piston kit can help improve engine performance, increase fuel efficiency, and extend overall engine life.

SPECIFICATIONS

Package Dimensions
6.7 x 6.7 x 10.3 in
Weight
10.51 lbs

BILL OF MATERIALS

Name Quantity Part Number
Retaining Ring 2 3016652
Piston Ring Set 1 3803977
Piston Pin 1 4374086
* This information is provided as is and may be out of date.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

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FAQ PAGE

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