562.U6409 muffler 4 inch inlet/outlet 9 inch body for semi trucks, 3946779
562.U6409 muffler 4 inch inlet/outlet for semi trucks, 3946779, side view
  • 562.U6409 muffler 4 inch inlet/outlet 9 inch body for semi trucks, 3946779
  • 562.U6409 muffler 4 inch inlet/outlet for semi trucks, 3946779, side view

562.U6409 - Muffler 4in Inlet/Outlet 9in Body 3946779, 87Q400131

SKU 562.U6409
$178.24
562.U6409 muffler 4 inch inlet/outlet 9 inch body for semi trucks, 3946779 562.U6409 muffler 4 inch inlet/outlet for semi trucks, 3946779, side view
562.U6409 muffler 4 inch inlet/outlet 9 inch body for semi trucks, 3946779 562.U6409 muffler 4 inch inlet/outlet for semi trucks, 3946779, side view

Frequently Bought Together

Total price $24.99

Product Description

This muffler features a 4in inlet/outlet with a 9in diameter body, part number 562.U6409, cross-referencing to 3946779 and 87Q400131. Built to reduce exhaust noise while maintaining proper backpressure, it's a solid replacement for a corroded or rattling stock muffler.

In stock at United Truck Parts, Breinigsville, PA — fast shipping along the I-78 corridor, with financing available. Call us to confirm fitment before ordering.

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