1001441 Muffler for 338 Pump July 24, 2020 $22.00 1001441 Muffler for 338 Pump quantity — OR — Add to Cart Categories: Parts, Pumps Description Resources Description The 1001441 brass muffler is used on the 338 pump. Related products 54P1 Plastic Nozzle $18.00 Add to Cart C9A Support Nipple $35.00 Add to Cart 12509 Air Cap Assembly $67.00 Add to Cart 13836 Outer Filter Bags $82.00 Add to Cart