Caterpillar 3S-4327 is an oil pump cover designed for Cat transmission oil pumps, providing a protective shield for the pump’s internal components and helping maintain proper lubrication paths within the unit. The part is specified as 12.7 mm thick, tailored to Cat oil pump housings as documented on Caterpillar’s parts catalog. Used on Caterpillar equipment where a replacement oil pump cover is required, it helps safeguard the pump from debris and wear, supporting reliable pump performance and longevity. For exact compatibility, consult the Cat Parts Store catalog for 3S-4327 to verify fit with your model and engine configuration before installation.
