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OEM Buna-N Repair Parts Kit for 2 Inch Yamada Pump K50-MN

2022 Notice: While supply chain problems are better than last year, we anticipate them to continue for 2022. Please expect some delays. view details

OEM 2" Yamada Pump Buna-N Repair Kit
List price: $349
Free Shipping to lower US 48
In Stock
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Quick Overview: 
  • Repair kit for NDP-50BAN Yamada Pump
  • Includes Diaphragms & Ball Valves
  • Buna N Materials


Yamada pump replacement part that fits our 2" Yamada Diaphragm Pump which includes replacement balls, diaphragms and seals.

We only sell the Buna-N materials of this replacement kit which is a great material for the sealcoating industry because it holds up well to coal tar, asphalt emulsions and most importantly aggregates like sand.

The repair video shows the tear down for the NDP-40BA model, however the 40BA and 50BA are very similar in design and should have similar tear down techniques.


We sell the "Buna-N" material in this replacement kit which we've found to do a great job with asphalt emulsion and coal tar sealers, and the Buna N holds up great with sealers that have abbrasives.

Yamada NDP-40BA/NDP-50BA Teardown Video

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Part Compatibility List

OEM 2" Yamada Pump Buna-N Repair Kit is compatible with the following product(s).

Shipping Weight
Weight: 5 lb
Shipping Dimensions
Dimensions: 10 in × 10 in × 10 in