1001441 Muffler for 338 Pump July 24, 2020 View cart “12509 Air Cap Assembly” has been added to your cart. $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 12129 Manifold Assembly for G100, O500 $430.00 Add to Cart 19453 Nozzle Assembly with insert $46.00 Add to Cart 12490 Spray Manifold Assembly $580.00 Add to Cart 12509 Air Cap Assembly $67.00 Add to Cart