March 0125-0121-1000 Viton Bracket O-Ring 0125-0121-1000

March 0125-0121-1000 Viton Bracket O-Ring

The March 0125-0121-1000 is an OEM Viton/FKM bracket O-ring used in compatible March LC-2CP-MD magnetic drive centrifugal pumps. Unlike the main housing cover O-ring, this component is associated with the pump bracket sealing arrangement.

March lists the bracket O-ring as a separate replacement part in the LC-2CP-MD assembly, making exact part identification important during maintenance and wet-end rebuilding.

Key Features

• Genuine March Manufacturing OEM replacement seal
• Manufacturer part number 0125-0121-1000
• Viton/FKM elastomer material
• 1/16-inch nominal cross section
• 2-3/8-inch nominal outside diameter
• Listed for compatible LC-2CP-MD pump assemblies
• Designed for the specified bracket sealing position
• Suitable for preventive maintenance and repair

Bracket Sealing Function

This O-ring provides the specified elastomeric sealing interface at the bracket location in the compatible pump assembly. Correct installation helps preserve the original sealing arrangement and supports reliable operation of the liquid-cooled pump configuration.

Viton Construction

March specifies Viton for this bracket seal. Its FKM elastomer construction differs from Buna-N and other sealing materials, so replacements should be selected according to the original equipment requirements and service conditions.

LC-2CP-MD Compatibility

The official LC-2CP-MD parts breakdown identifies 0125-0121-1000 as the bracket O-ring. Related Series 2CP models may have different bracket and sealing arrangements. Verify compatibility before ordering for another pump configuration.

Maintenance and Replacement

Inspect the bracket O-ring for cuts, compression damage, hardening, swelling or deterioration during service. Clean the groove and contact surfaces and install the replacement without twisting or stretching it beyond the recommended procedure.

Choosing the Correct O-Ring

Do not confuse this bracket seal with 0125-0065-1000, the Viton cover O-ring used in the same LC-2CP-MD assembly. Although both are elastomeric seals, their dimensions and installation locations differ.

Ordering Guidance

Confirm the exact pump model and original part number. March 0125-0121-1000 is an individual bracket O-ring, not a complete gasket set or wet-end repair kit.