Specifications
- Brand
- Mahle
- Part #
- 4135-300S
- UPC
- 4135-300S

Mahle MS 4.135in 3.0MM Oil Ring Expanders - Standard Tension
$19.83
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Mahle MS 4.135in 3.0MM Oil Ring Expanders - Standard Tension. A key component for proper oil control in your engine rebuild.
Key Features
- Fits 4.135 inch bore size.
- 3.0mm width for oil ring compatibility.
- Standard tension for balanced oil control.
- Mahle brand engine components.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
Product Details
When you're rebuilding the bottom end of your engine, getting the piston rings seated just right is critical for oil control and compression. These Mahle oil ring expanders are designed to work with your oil control rings, ensuring they maintain proper tension against the cylinder wall. They are a standard tension type, meaning they offer a balanced approach to sealing without excessive drag.
Mahle is a well-known name in engine components, and these expanders are built to meet the demands of an engine rebuild. They are made to the correct size, 4.135 inches in diameter with a 3.0mm width, to fit specific oil ring configurations. Proper installation of these expanders is key to preventing oil from entering the combustion chamber and ensuring your engine runs cleanly.
Specifications
- Brand
- Mahle
- Manufacturer Part #
- 4135-300S
- UPC
- 4135-300S
Frequently Asked Questions
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Mahle MS 4.135in 3.0MM Oil Ring Expanders - Standard Tension




