MP Pumps 21191 Lock Nut
This is a fastener used in the assembly of the pump. Fasteners in wetted or marine service are commonly stainless steel to resist corrosion.
Always match by the MP Pumps part number 21191 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 fastener
- Sized to fit a specific location on a specific pump model
- Material and thread size vary by part number
Applications
- General pump assembly and reassembly during service
Specifications
- Manufacturer: MP Pumps
- Part Number: 21191
- Part Type: Lock Nut
Frequently Asked Questions
Q: Do I need any special tools to install this?
Most MP Pumps small hardware installs with standard hand tools.
Q: How do I know this is the right part for my pump?
Match it by the MP Pumps part number stamped on your pump or listed on your equipment parts diagram. Send us a picture of your pump plate and we will confirm fitment.
Q: Is this a genuine MP Pumps part?
Yes, this is cataloged under genuine MP Pumps part number 21191.
Q: Can I reuse the old hardware instead of replacing it?
Small hardware like this is inexpensive relative to the labor of reassembly, so most shops replace it during a rebuild rather than reusing worn or corroded pieces.
CLRMarine
