Cummins Product Placeholder

5406050
Engine Piston Kit
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$379.95 $452.14
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
An engine piston kit, specifically part number 5406050, is a set of components that typically includes the piston, piston rings, wrist pins, and circlips. It is designed to replace worn or damaged pistons in an internal combustion engine. The piston itself is a cylindrical component that moves up and down within the engine cylinder bore under the force of expanding gases produced during combustion. The piston rings provide a seal between the piston and cylinder wall to prevent compression loss and oil leakage. The wrist pin connects the piston to the connecting rod and allows for rotational movement while keeping it in place. Circlips are used to secure both ends of the wrist pin in place. Overall, an engine piston kit is essential for maintaining proper engine performance and preventing catastrophic failure due to worn or damaged pistons.

SPECIFICATIONS

Package Dimensions
15.0 x 15.0 x 21.0 in
Weight
2.95 lbs

BILL OF MATERIALS

Name Quantity Part Number
Piston Pin 1 3934046
Retaining Ring 2 3920692
Engine Piston 1 3917707
* This information is provided as is and may be out of date.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.