MP Pumps 38173 O-Ring
This O-ring seals a static joint on the pump assembly. Like any elastomer seal, it hardens and loses sealing ability with age and heat cycling, and should be replaced whenever the joint it seals is opened.
Always match by the MP Pumps part number 38173 listed on your equipment parts diagram, since dimensions and material vary across the MP Pumps lineup even for parts with the same common name.
Key Features
- Genuine MP Pumps replacement O-ring
- Sized to fit a specific joint on a specific pump model
- Elastomer material varies by part number
Applications
- Resealing a pump joint during service
- Scheduled replacement during a pump rebuild
Specifications
- Manufacturer: MP Pumps
- Part Number: 38173
- Part Type: O-ring
Frequently Asked Questions
Q: Is this a genuine MP Pumps part?
Yes, this is cataloged under genuine MP Pumps part number 38173.
Q: What causes this part to wear out?
Wetted components wear from normal operation, cavitation, dry running, or abrasive material in the pumped fluid. Regular inspection catches wear before it causes a bigger failure.
Q: Should I replace other parts at the same time?
When servicing a pump wet end, it is common practice to also replace the mechanical seal, gaskets, and O-rings at the same time to avoid a repeat teardown.
Q: What tools do I need to install this?
Most MP Pumps wet-end parts install with standard hand tools. Always relieve system pressure and disconnect power before servicing a pump.
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