4N4376 Gasket-Housing Cover for Caterpillar

4N4376 is a gasket for the housing cover used in Caterpillar equipment, including Caterpillar engines and generator sets. The part is listed for use with Caterpillar engine models 3304, 3304B, 3306, 3306B, 3406B, 3406C, and 3408. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part name identifies its application as a housing-cover gasket. It is supplied under SKU 4N4376 and is associated with the air starter motor category. The available fitment information covers Caterpillar engine and generator-set applications; the specific machine configuration should be checked against the equipment identification and the part number before installation.

Fitment

The gasket is used with the following Caterpillar engine models and related equipment applications:

• Caterpillar 3304 engine
• Caterpillar 3304B engine
• Caterpillar 3306 engine
• Caterpillar 3306B engine
• Caterpillar 3406B engine
• Caterpillar 3406C engine
• Caterpillar 3408 engine

Equipment types identified for this part are Caterpillar engine installations and Caterpillar generator sets. The model designation alone may not identify every configuration, so the installed housing-cover assembly and the existing gasket number should be compared during parts selection.

Cross-reference numbers

The numbers 4N4376 and 4N-4376 represent the same part-number designation in unhyphenated and hyphenated formats. No additional supplier cross-reference number is provided in the available product data.

Specifications

The dimensions and weight are the values listed for the 4N4376 gasket. The part is identified as a housing-cover gasket rather than a complete housing-cover assembly. The available data does not specify additional components, fasteners, seals, or installation materials included with the part.