4938632 Preview Image
Isometric 4938632 Image 1
Front 4938632 Image 3
Top 4938632 Image 4
Left 4938632 Image 5
Right 4938632 Image 6
Back 4938632 Image 7
Bottom 4938632 Image 8

4938632
Cylinder Head
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$8,999.99 $11,699.99

Oversize Item

This is an oversize product. Additional shipping fees may apply.

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
The Cylinder Head is a vital component of an internal combustion engine. Part number 4938632 refers to a specific cylinder head designed for use in trucks. The cylinder head sits on top of the engine block and forms the combustion chamber where fuel and air are mixed, ignited, and burned to produce power. It is responsible for sealing the engine's cylinders and maintaining compression within them. The cylinder head also houses the valves that allow fuel and air to enter the combustion chamber and exhaust gases to exit it. Cylinder heads are typically made from aluminum or cast iron and must be precisely machined for optimal performance. Proper maintenance of the cylinder head is crucial for overall engine health, as any damage or wear can lead to decreased power, increased emissions, or even catastrophic failure of the engine.

SPECIFICATIONS

Package Dimensions
86.0 x 38.0 x 22.0 in
Weight
82 lbs

BILL OF MATERIALS

Name Quantity Part Number
Valve Collet 24 3901177
Valve Spring 6 3916588
Exhaust Valve 6 3921444
Valve Stem Seal 12 3927642
Valve Spring Retainer 12 3972757
Cylinder Head 1 3973493
Valve Spring 6 3991085
Valve Spring 6 5292625
* This information is provided as is and may be out of date.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.