Specifications
- Brand
- Mahle OE
- Part #
- 3021200
- UPC
- 027067899637

Mahle Rings Steel Napier THM-13 4.620 Bore x .043in .135 RW Plain Ring Set
$90.38
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Mahle OE Steel Napier Piston Rings. Fits 4.620in bore. Not CARB approved.
Key Features
- Fits 4.620 inch bore.
- Steel Napier ring set for improved oil control.
- Top ring thickness is 0.043 inches.
- Oil ring width is 0.135 inches.
- Mahle OE part number 3021200.
Product Details
Mahle OE offers this Steel Napier ring set, part number THM-13, designed for a 4.620-inch bore. These piston rings are crucial for sealing the combustion chamber, controlling oil consumption, and transferring heat from the piston to the cylinder wall. The Napier hook design in the second ring helps to improve oil scraping and reduce blow-by, especially in demanding applications.
This ring set is constructed from durable steel, offering good wear resistance and performance. The specific dimensions, including a 0.043-inch top ring thickness and a 0.135-inch oil ring width, are engineered for precise fitment within compatible pistons. Proper installation is key to ensuring these rings perform as intended, contributing to the overall health and efficiency of your engine.
Specifications
- Brand
- Mahle OE
- Manufacturer Part #
- 3021200
- UPC
- 027067899637
Frequently Asked Questions
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Mahle Rings Steel Napier THM-13 4.620 Bore x .043in .135 RW Plain Ring Set






