Caterpillar

Add Equipment

Select equipment to view parts that fit your equipment.
No Suggested Results

Select Store

Caterpillar

Add Equipment

To find the parts that fit.To find the parts that fit.
Search for part number or name

Select Store

Add Equipment

HomeHardware, Seals, & ConsumablesSeals, Gaskets, & O-RingsO-Rings8T-8378: 155.56mm Inner Diameter Head Seal
HomeHardware, Seals, & ConsumablesSeals, Gaskets, & O-RingsO-Rings8T-8378: 155.56mm Inner Diameter Head Seal
8T-8378: 155.56mm Inner Diameter Head Seal

Head Seal

Brand: Cat

Product Images
8T-8378: 155.56mm Inner Diameter Head Seal
8T-8378: 155.56mm Inner Diameter Head Seal
8T-8378: 155.56mm Inner Diameter Head Seal
8T-8378: 155.56mm Inner Diameter Head Seal
8T-8378: 155.56mm Inner Diameter Head Seal

Head Seal

Brand: Cat

Warranty Information
Return Policy
DiagramDescriptionSpecificationsCompatible Models
Specifications for part number 8T-8378

Units of Measure

USMetric
Material Description: Urethane Rubber has excellent abrasion and cut resistance, and works petroleum based lubricants and hydraulic fluids at moderate temperatures. Do not use with water-soluble fluids.
Cross Section Width (in): 0.22
Notes: Dimensions and Material Descriptions provided for reference only. Color may differ from image.
Cross Section Height (mm): 2.2
Cross Section Width (mm): 5.5
Material: Urethane Rubber
Inside Diameter (mm): 155.6
Inside Diameter (in): 6.12
Cross Section Height (in): 0.09
View More
Compatible Models for part number 8T-8378

LOG LOADR FORST MACH

558

EXCAVATOR

336 MHPU 325D FM 330D MH 325D FM LL 325B L 330C FM 330D 336D LN 325C FM 336 330C MH 330B L 330C L 330D L 568 FM LL 330D FM

MATERIAL HANDLER

M325D L MH

MOBILE HYD POWER UNIT

336D 330D 336D L 336E HVG

WHEEL LOADER

980C 980F 980F II

View More
KeyKey
Factory Fit

This part is designed to fit your Cat equipment based on the manufacturer’s specifications.

Any changes to the manufacturer’s configuration might result in the product not fitting your Cat equipment. Please consult your Cat Dealer before purchasing to ensure that this part is appropriate for your Cat equipment in its current condition and assumed configuration. This indicator cannot guarantee compatibility for all parts.

Remanufactured

Non-Returnable

Kit

Replaced

Remanufactured

Non-Returnable

Kit

Replaced