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 23K Manifold Adapter Kit $185.00 Add to Cart 12490 Spray Manifold Assembly $580.00 Add to Cart 21350 Pump assembly water side for G520 $968.00 Add to Cart 12509 Air Cap Assembly $67.00 Add to Cart