7S1784 Cap As-Rain for Caterpillar

7S1784 is an engine oil filler cap identified as CAP AS-RAIN for Caterpillar equipment. It is used on Caterpillar engines, industrial engines, and track-type loaders, including the machine and engine models listed below. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is listed under Caterpillar equipment applications covering engine assemblies and track-type loader machines. The supplied fitment data identifies both individual engine models and loader models; compatibility should be checked against the equipment model and the part number being replaced.

Fitment

• Caterpillar 3116 engine
• Caterpillar 3304 engine
• Caterpillar 3306 engine
• Caterpillar 3126 engine
• Caterpillar 3126B engine
• Caterpillar 951 track-type loader
• Caterpillar 955 track-type loader
• Caterpillar 955L track-type loader
• Caterpillar 977 track-type loader

The source fitment information includes the Caterpillar 3116 model twice; it is listed once above to avoid duplication. The equipment categories associated with this part are Caterpillar engine-machine applications, Caterpillar industrial engine applications, and Caterpillar track-type loaders.

Cross-reference numbers

The following numbers are listed for identification and interchange reference for this cap:

• 7S1784
• 1S3628
• 3M2170

7S1784 is the product SKU and the primary part number shown for the item. The numbers 1S3628 and 3M2170 are additional listed cross-reference numbers associated with the same application.

Specifications