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Home3E-4251: Piston Seal
Home3E-4251: Piston Seal
3E-4251: Piston Seal

Type 2

Brand: Cat

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3E-4251: Piston Seal
3E-4251: Piston Seal

Type 2

Brand: Cat

Warranty Information
Return Policy
DiagramDescriptionSpecificationsCompatible Models
Description for part number 3E-4251

A two-piece seal, consisting of a piston ring and an expander, which prevents oil transfer between the rod end of the cylinder and the cap end. The piston seal is usually made of Teflon, with nylon available for pressure greater than 3000 psi (20,670 kpa). The various shaped expanders are nitrile.

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Specifications for part number 3E-4251

Units of Measure

USMetric
Groove Width - A (+/- 0.002inch) (in): 0.13
Groove Diameter - B (+/- 0.0762 mm) (mm): 47.14
Bore Diameter (in): 2.25
Bore Diameter (mm): 57.15
Seal Shape: Type 2
Groove Diameter - B (+/- 0.003inch) (in): 1.86
Groove Width - A (+/- 0.0508 mm) (mm): 3.30
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Compatible Models for part number 3E-4251

We currently do not have compatibility information for this part.

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