1115822 Gasket-Exhaust Fits Caterpillar Models

One New Aftermarket Replacement Exhaust Gasket for Caterpillar (Cat) 3500 Series and Large Industrial Engines

This aftermarket exhaust muffler gasket replaces Caterpillar (Cat) OEM part number 1115822 (formatted as 111-5822). It is a sandwich-type exhaust manifold gasket designed for the Caterpillar 3500 Series and related large-displacement industrial, generator set, and marine engines. This gasket seals the exhaust system at the muffler connection point, preventing exhaust leaks and maintaining proper back-pressure in high-output Cat powerplants.

Compatible Models

Caterpillar Engine - Generator Set: 3508, 3508B, 3508C, 3512, 3512B, 3512C, 3516, 3516B, 3516C, 3606, 3608, 3612, 3616, C32, G3512B, G3516, G3516B, G3516C, G3516E, G3516H, G3520B, G3520C, G3520E, PM3512

Caterpillar Engine - Industrial: 3508B, 3508C, 3512, 3512B, 3516, 3516B, 3516C, 3606, 3608, 3612, 3616, G3512B, G3516B, G3520B, G3606, G3606B, G3608, G3612, G3616

Caterpillar Engine - Marine: 3408, 3408B, 3508B, 3512, 3512B, 3512C, 3516, 3516B, 3516C, 3606, 3608, 3612, 3616, C175-16, C280-6, C280-8, C280-12, C280-16

Caterpillar Generator: SR4, SR4B, SR4BHV

Caterpillar Petroleum Products: 3512C, 3516C, G3520B

Specifications

• Type: Sandwich-type exhaust manifold/muffler gasket
• Application: Exhaust muffler connection

Replaces Part Number(s):

1115822, 111-5822

New aftermarket replacement part - not remanufactured, not used.