2818744 Gasket-Housing Fits Caterpillar Models

One New Aftermarket Replacement Thermostat Housing Gasket for Caterpillar (Cat) Equipment

This aftermarket replacement gasket (Caterpillar part number 2818744 / 281-8744) seals the thermostat housing to the engine block in the cooling system of Caterpillar C4.4 and C6.6 diesel engines, as well as compatible Perkins 1104 and 1106 engines. It prevents coolant leaks and maintains optimal cooling system performance across a wide range of Cat construction and industrial equipment.

Compatible Models

Caterpillar Motor Graders: 12M, 120M

Caterpillar Excavators: 320D GC, 320D L, 320D2, 320D2 GC, 320D2 L, 323D L, 323D2 L

Caterpillar Backhoe Loaders: 414E, 416, 416D, 416E, 416F, 416F2, 420, 420D, 420E, 420F, 420F2, 430E, 450E

Caterpillar Wheel Loaders: 914G, 924H, 924HZ, 924K, 928H, 928HZ, 930K, 938H, 938K, 950 GC

Caterpillar Track-Type Tractors / Dozers: 953D

Caterpillar Compactors: CB-54, CB-54B, CB-64, CP-44, CP-56, CP-64, CP-76, CS-44, CS-54, CS-54B, CS-56, CS-56B, CS-64, CS-68B, CS-74, CS-74B, CS-78B

Caterpillar Asphalt Pavers: AP-300, AP-600D, AP-650B, AP-655D, AP-800D, BG-225C, BG-230D, BG-500E, BG-555E, BG-600D, BG-655D

Caterpillar Forestry: 525D, 535D, 545D, 553C, 559

Caterpillar Scrapers / Other: 2470C, 613G

Caterpillar Engines (industrial/generator applications): C4.4, C6.6, C7.1

Perkins Engines: 1104, 1104D-E44T, 1104D-E44TA, 1106, 1106C-E66TA, 1106D-E66TA

Replaces Part Number(s):

2818744, 281-8744, 277-2975

New aftermarket replacement part - not remanufactured, not used.