Specifications
- Brand
- Mahle OE
- Part #
- 3021292
- UPC
- 027067006639

Mahle Rings Performance Steel Napier THM-13 4.040 x .043in .135RW Plain Ring Set
$37.02
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Mahle OE is known for reliable engine components. This steel Napier ring set is for 4.040in bores.
Key Features
- Fits 4.040 inch bore.
- Features a .043 inch ring thickness.
- Has a .135 inch ring width.
- Includes a Napier hook on the second ring for improved oil control.
- Constructed from steel for durability.
- Plain finish for straightforward installation.
Product Details
Mahle OE is a well-known name for dependable engine parts, and this steel Napier ring set continues that tradition. Designed for a 4.040-inch bore with a .043-inch ring thickness and a .135-inch ring width, these rings are built to perform. The Napier hook on the second ring helps to scrape oil from the cylinder wall, which can improve oil control and reduce blow-by.
This set features a plain finish, meaning it's ready to install without special coatings. They are a solid option for engine rebuilds where reliable performance is key. Ensure your engine is properly assembled with components that fit right and function as expected.
Specifications
- Brand
- Mahle OE
- Manufacturer Part #
- 3021292
- UPC
- 027067006639
Frequently Asked Questions
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Mahle Rings Performance Steel Napier THM-13 4.040 x .043in .135RW Plain Ring Set






