Generator Exhaust Muffler | Compatible with Cummins Onan RV Generators, 1-3/8" Outlet

A rattling or leaking generator muffler makes for a noisy campsite. This replacement muffler is built to OEM dimensions for Cummins Onan RV trailer and camper generators, so it installs in place of the original.

• Direct replacement for Onan/Cummins RV generator mufflers
• Replaces part numbers 155-1222 and 155-1258
• Stainless steel construction resists corrosion and rust
• 1-1/2" inlet, 1-3/8" outlet diameter

Double check your generator's original muffler dimensions and part number against this listing before ordering.