1W2491 Muffler for Caterpillar Equipment

1W2491 is a muffler for Caterpillar equipment, including generator set engines, generator sets, industrial engines, and wheel tractors. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The supplied application data identifies this muffler for Caterpillar engine and machine configurations using the 3406C, 3408, 3408C, 3408E, 3412, 3412C, and 3456 engine designations, as well as the 621B and 627F wheel tractor models. The listed applications include both standalone engine or generator equipment and the exhaust system of a wheel tractor.

Fitment

• Caterpillar GEN SET ENGINE: 3408, 3412
• Caterpillar GENERATOR SET: 3406C, 3412C, 3456
• Caterpillar INDUSTRIAL ENGINE: 3408, 3408C, 3408E, 3412
• Caterpillar WHEEL TRACTOR: 621B, 627F

The fitment information applies to the listed Caterpillar equipment series and engine applications. Equipment identification should be checked against the machine model and the required part number before installation, particularly where the same engine designation is used in more than one equipment category.

Specifications