1001441 Muffler for 338 Pump July 24, 2020 View cart “21350 Pump assembly water side for G520” 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 54 Brass Nozzle $18.00 Add to Cart 22GW Trigger Lock Assembly $68.00 Add to Cart 12491 Solvent Filter Assembly $105.00 Add to Cart Sparkle Clean (SC01/SC06) $59.00 Add to Cart