Product description

The Snap-On Industrial Seal (D. 186 X 81 X 2.5) is a high-performance O-ring or flat gasket designed for large-diameter sealing applications in hydraulic cylinders or pneumatic housings. With a precise inner diameter and cross-section as specified in its nomenclature, this seal is engineered to prevent fluid or air bypass under significant pressure. It is constructed from advanced elastomeric materials that offer excellent resistance to compression set, hydraulic oils, and various shop solvents. Proper sealing is critical for the lifting capacity and operational safety of vehicle hoists and heavy-duty tire service equipment. Over time, original seals can become brittle or deformed, leading to leaks that reduce machine efficiency and create environmental hazards. This genuine-specification seal is a vital component for any major equipment overhaul, providing a durable, long-lasting interface that restores the hydraulic or pneumatic integrity of the original Snap-On assembly.

Product highlights

• High-performance seal for large-diameter hydraulic/pneumatic housings.
• Precision dimensions (D. 186 X 81 X 2.5) ensure a perfect fit.
• Advanced elastomer construction resists compression and chemicals.
• Critical for maintaining full lifting capacity and system pressure.
• Prevents fluid leaks and environmental contamination in the shop.

Specs

• Manufacturer: Snap-On
• Manufacturer Part Number: st0018038
• Dimensions: D. 186 X 81 X 2.5

Direct replacement models

Snap-On st0018038

You will receive the same product or an OEM-Equivalent that meets the highest standard of the OEM with warranty that will be a direct-fit. Manufactured with rigorous industry standards and certified in the USA with superior quality to the OEM.