5I7933 Pre-Combustion Chamber Gasket

The 5I7933 pre-combustion chamber gasket is a sealing component used in Caterpillar engines and machines, including Caterpillar excavators. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The gasket is installed between mating surfaces in the pre-combustion chamber assembly to form a sealed joint. Its application is associated with Caterpillar engine and excavator equipment using the listed engine and machine models. Before installation, the part number and dimensions should be checked against the gasket removed from the equipment and the applicable service documentation.

Fitment

The part is listed for use with the following Caterpillar equipment and engine models:

• Caterpillar 3044C
• Caterpillar 3064
• Caterpillar C3.4
• Caterpillar C4.2
• Caterpillar 311C
• Caterpillar 311D LRR
• Caterpillar 312C
• Caterpillar 312C L
• Caterpillar 312D
• Caterpillar 312D L

Fitment is limited to the applications for which the 5I7933 gasket is specified. The model list includes both Caterpillar engine designations and excavator machine series. The same gasket identification should be confirmed when equipment has undergone an engine replacement, rebuild, or modification.

Cross-reference numbers

Numbers 5I7933 and 5I-7933 identify the same gasket designation in different part-number formats. No additional supplier or equipment-manufacturer reference numbers are specified in the available product data.

Specifications

The available technical data contains both overall dimensions of 95 × 62 mm and a separate dimensional listing of 8.89 × 15.24 × 1.27 cm. These values are reproduced as provided and should be compared with the equipment service information before fitting.