Interstate-McBee Washer - Cylinder Head - M-205059

The M-205059 Cylinder Head Washer is a high-strength, heat-treated washer designed to be used in conjunction with cylinder head bolts to evenly distribute clamping force across the cylinder head surface. Engineered to OEM specifications, this washer helps prevent bolt head embedding and gasket distortion, ensuring a secure and consistent seal in high-pressure diesel engine environments. It is a critical component during cylinder head installation or engine rebuilds on Cummins® and other heavy-duty engines.

Key Features:

• Replaces OEM part number 205059

• Compatible with Cummins® and other heavy-duty diesel engines

• Hardened and precision-machined for high-load applications

• Distributes bolt load to protect cylinder head surface

• Resists deformation under torque and thermal cycling

• Ideal for use in engine rebuilds and head service kits