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HomeHardware, Seals, & ConsumablesSeals, Gaskets, & O-RingsO-Rings7G-1221: 166.94mm Outer Diameter Seal Ring
HomeHardware, Seals, & ConsumablesSeals, Gaskets, & O-RingsO-Rings7G-1221: 166.94mm Outer Diameter Seal Ring
7G-1221: 166.94mm Outer Diameter Seal Ring

Internal Lip Type Piston Seal

Brand: Cat

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7G-1221: 166.94mm Outer Diameter Seal Ring
7G-1221: 166.94mm Outer Diameter Seal Ring
7G-1221: 166.94mm Outer Diameter Seal Ring
7G-1221: 166.94mm Outer Diameter Seal Ring
7G-1221: 166.94mm Outer Diameter Seal Ring

Internal Lip Type Piston Seal

Brand: Cat

Warranty Information
Return Policy
DiagramDescriptionSpecificationsCompatible Models
Specifications for part number 7G-1221
Material: Polytetrafluoroethylene (PTFE) Plastic
Inside Diameter (mm): 166.0
Cross Section Direction: Internal Lip Facing Shaft Dia
Primary Sealing Material: Plastic
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Compatible Models for part number 7G-1221

TRACK-TYPE TRACTOR

D4C III D3B D3C D4C II D4B D5C III D4H D4C D5C D3C II D3C III

RIPPER

3 4

INTEGRATED TOOLCARRIER

IT12 IT18B IT28 IT28B IT18

TRACK LOADER

939 933 931C II 931B 935C 931C 935B 935C II

BULLDOZER

4S 4P D5C PATLGP 5A PAT 3P D5C PAT 4A

WINCH

53 54H 55 54

BACKHOE

931 D3

TRACK SKIDDER

D4HTSK II

COMPACT WHEEL LOADER

910

WHEEL LOADER

G926 916 G910 G916 926 926E 930R 930T

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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