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Quality Liner Shims Made in the USA 

Welcome to! We proudly supply machinists and repair shops with the highest quality and best selection of liner shims for Caterpillar, Detroit Diesel, and Cummins engines.

Cat Liner Shims
Metal Textured Background


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Image by engin akyurt

Why Choose

Exceptional Quality

Our products are designed according to manufacturer specs for CAT, Detroit Diesel, and Cummins brands. You’ll get the part you need at an affordable price.

Made in the USA

Our shims are always made with the highest quality materials and manufactured right here in the United States. Thank you for supporting USA-made products!

Same-Day Shipping for USA and CA

Our super-fast delivery saves you time and money. If you’re in the United States or Canada, we’ll ship your order the same day you place it.

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