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 21155 Pump retrofit bypass kit for G520 $195.00 Add to Cart 13430 Pump assembly rinse for G520 $498.00 Add to Cart 12490 Spray Manifold Assembly $580.00 Add to Cart 22GW Trigger Lock Assembly $68.00 Add to Cart