1661781 Gasket Fits Caterpillar Models

One New Aftermarket Replacement Front Cover Gasket for Caterpillar (Cat) C7 and C9 Engines

This aftermarket replacement front cover gasket (also identified as a front housing cover gasket) seals the front timing cover on Caterpillar C7 and C9 diesel engines. It is used across a wide range of Caterpillar equipment powered by these engine families, including excavators, motor graders, asphalt pavers, challengers, and more. This gasket is also a component of the C7 front cover gasket kit.

Compatible Models

Caterpillar Engines: C7, C9, C-9, 3126E, C4.4 ACERT, C12

Caterpillar Asphalt Pavers: AP-755, AP-1000D, AP-1055D, BG-2455D, BG-260D

Caterpillar Challengers: MT735, MT745, MT755, MT765, MTC735, MTC745, MTC755, MTC765

Caterpillar Excavators: 324D, 324D FM, 324D FM LL, 324D L, 324D LN, 325D, 325D FM LL, 325D L, 328D LCR, 329D, 329D L, 329D LN, 330C, 330C L, 330C LN, 330D, 330D L, 330D LN, 330D MH, 336D, 336D L, 336D LN, M325D, M325D L MH, M325D LM, M330D

Caterpillar Motor Graders: 12H, 120K, 12K, 140G, 140K, 140M, 160K

Caterpillar Cold Planers: PM-102

Caterpillar Soil Compactors: 815B

Caterpillar Integrated Tool Carriers: IT62H

Caterpillar Forwarders: 511, 521, 522, 532, 541, 551, 552, 584, 584HD, 2290, 2390, 2391, 2491, 2590

Replaces Part Number(s):

1661781, 166-1781

Aftermarket Interchange Numbers

PAI 331508, CAP331508

New aftermarket replacement part - not remanufactured, not used.