March 0335-0004-0100 Housing

March 0335-0004-0100 Polypropylene Rear Housing for Series 335

The March 0335-0004-0100 is an original equipment polypropylene rear housing with ceramic thrust washer for compatible March Series 335 magnetic drive centrifugal pumps. Official March parts documentation identifies this component in the 335-CP-MD and 335-AP-MD pump families.

The rear housing is part of the liquid-containing wet end. It works with the front housing, impeller, shaft, thrust components and O-ring to preserve the original pump chamber arrangement.

Rear Housing Function

The housing helps contain the process liquid and provides the specified geometry around the internal rotating assembly. The associated ceramic thrust washer forms part of the manufacturer-designed thrust support arrangement.

Polypropylene Construction

March specifies polypropylene for this housing. The material is used in selected chemical-handling pump configurations, but the suitability of the complete pump depends on the process fluid and operating conditions.

Compatible Series 335 Pumps

The manufacturer lists this rear housing for compatible 335-CP-MD and 335-AP-MD configurations. These models can have different front housing connections and motor arrangements while using the specified rear housing component.

Replacement and Maintenance Benefits

Replacing a worn or damaged housing with the correct OEM part helps maintain the original wet-end fit. The existing impeller, shaft, thrust washer and sealing components should be inspected to determine whether additional replacements are necessary.

Installation Considerations

Inspect the housing mating surfaces and associated hardware before assembly. Follow the manufacturer service procedure and verify the correct orientation and condition of the internal components.

Ordering Guidance

Choose March 0335-0004-0100 when the pump requires the specified Series 335 polypropylene rear housing with ceramic thrust washer. It is not a complete pump or wet-end kit.