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Est. 1957
Mahle

Mahle MS 3.989-3.947 2mm Oil Ring Support Rail

$6.33

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Mahle MS 3.989-3.947 2mm Oil Ring Support Rail. This support rail helps maintain proper oil ring tension.

Key Features

  • This is a Mahle MS 3.989-3.947 2mm oil ring support rail.
  • The rail measures 2mm in width.
  • This part is designed for universal engine applications.
  • Mahle is a well-known brand for 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

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About this part

Product Details

Mahle's MS 3.989-3.947 oil ring support rail is built to a 2mm width, a specific dimension that helps ensure the oil control ring stays seated correctly in its groove. This part is crucial for maintaining proper oil pressure and preventing excessive oil consumption by keeping the oil control ring functioning as intended. When rebuilding an engine, ensuring all components are in good condition and properly installed is key to a long-lasting rebuild.

This support rail is a well-built component designed to work with specific piston ring setups. Its precise dimensions are important for its function, helping to keep the oil ring expanded and sealing against the cylinder wall. Mahle is a well-known name in engine components, and this part reflects their focus on engine internals.

Specifications

Brand
Mahle
Manufacturer Part #
9301947
UPC
9301947

Frequently Asked Questions

Mahle MS 3.989-3.947 2mm Oil Ring Support Rail

$6.33