8D7998 Cap A for Caterpillar

8D7998 is an engine oil filler cap identified as Cap A for Caterpillar equipment. It is used with Caterpillar engine and machine applications, including the 3304 engine and 120G motor grader. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is intended for installation at the engine oil filler opening where the Cap A component is specified. The supplied fitment information identifies Caterpillar equipment as the applicable manufacturer and lists the Caterpillar 3304 and Caterpillar 120G model designations.

Fitment

Cross-reference numbers

Part number 8D7998 and the formatted designation 8D-7998 refer to the same listed part number format. Number 8D7997 is provided as an additional known cross-reference for this cap application. Part-number verification against the equipment identification and the component being replaced is required before installation.

Specifications

The listed dimensions are 14.2 cm in length, 5.5 cm in width, and 14.7 cm in depth. The listed weight is 5.2 lb. No additional components, sealing elements, mounting hardware, material grade, thread specification, or separate installation accessories are identified in the supplied product data.