20 041 13-S 20-041-13-S 2004113-S Valve Cover Gasket

Key Features

• Creates a precise seal between the valve cover and cylinder head.
• Prevents engine oil leaks and protects valvetrain components from contaminants.
• Constructed from high-temperature, oil-resistant material for durability.
• Engineered as a direct replacement for original equipment specifications.

Replaces / Cross-Reference Part Numbers

• Kohler: 20 041 13-S, 20-041-13-S, 2004113-S
• Superseded Kohler Part: 20-041-04-S, 20 041 04S
• Rotary: 16474

Compatibility & Fitment

• Fits select Kohler Courage single-cylinder engines, including 18HP and 20HP models.
• Compatible Engine Models: SV470, SV480, SV530, SV540, SV590.
• Commonly used in lawn tractors and riding mowers equipped with the specified engines.

When to Replace

• Visible oil leaks, wetness, or seepage around the valve cover perimeter.
• Low engine oil level due to a persistent leak from the valve cover area.
• During any service that requires removal of the valve cover, such as a valve adjustment.
• Hardened, brittle, or cracked original gasket discovered during inspection.

Installation Tips

• Ensure both the engine head and valve cover mating surfaces are completely clean and dry.
• Remove all traces of old gasket material, oil, and debris before installing the new gasket.
• Install the gasket dry; do not use sealant unless explicitly required by the engine service manual.
• Tighten valve cover bolts in the sequence and to the torque specifications listed in the manufacturer's service manual to prevent warping and ensure an even seal.