6N0403 Seal for Caterpillar Equipment

6N0403 is an oil seal used in Caterpillar industrial engines and SR4 generator sets. It is a new aftermarket oil seal manufactured by CTP (Costex Tractor Parts).

The seal is listed for Caterpillar engine models G3304, G3306, G333C, G342C, G343, G353D, G379, G379A, G398 and G399. It is also used with Caterpillar SR4 generator sets.

Fitment

The part is used in the following Caterpillar equipment applications:

• Industrial engine G3304
• Industrial engine G3306
• Industrial engine G333C
• Industrial engine G342C
• Industrial engine G343
• Industrial engine G353D
• Industrial engine G379
• Industrial engine G379A
• Industrial engine G398
• Industrial engine G399
• SR4 generator set

Fitment is specified for the engine and generator-set applications listed above. The available application data does not identify a particular engine assembly, shaft location or installation position for the seal.

Cross-reference numbers

6N0403 and 6N-0403 are the two number formats provided for this part. No additional supplier or equipment-manufacturer reference numbers are specified in the available product data.

Specifications

The listed length, width and depth are the available dimensional values for the part. The source data does not provide internal diameter, external diameter, sealing lip configuration, material specification or installation instructions.