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HomeUpgrade & Repair KitsRepair & Service KitsHydraulicsCylinder Seal Kits381-2732: Standard Size Hydraulic Boom Cylinder Seal Kit
HomeUpgrade & Repair KitsRepair & Service KitsHydraulicsCylinder Seal Kits381-2732: Standard Size Hydraulic Boom Cylinder Seal Kit
Parts included in this kit

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167-2310: 59.61mm Inner Diameter Cylinder Rod U-Cup Seal
167-2310: 59.61mm Inner Diameter Cylinder Rod U-Cup SealQuantity: 1
5J-4966: Plastic TFE Cylinder Seal
5J-4966: Plastic TFE Cylinder SealQuantity: 1
175-7902: 3.53 x 110.72mm 75A NBR O-Ring
175-7902: 3.53 x 110.72mm 75A NBR O-RingQuantity: 1
231-3540: 60.30mm Rod Diameter Double Lip Wiper Seal
231-3540: 60.30mm Rod Diameter Double Lip Wiper SealQuantity: 1
095-1543: 3.5 x 44.7mm 75A NBR O-Ring
095-1543: 3.5 x 44.7mm 75A NBR O-RingQuantity: 1
188-2199: 2.62 x 42.52mm 90A FKM O-Ring
188-2199: 2.62 x 42.52mm 90A FKM O-RingQuantity: 1
215-1942: 43.55mm Internal Diameter Backup Ring
215-1942: 43.55mm Internal Diameter Backup RingQuantity: 1
2J-3961: 113.79mm Internal Diameter Rubber Ring
2J-3961: 113.79mm Internal Diameter Rubber RingQuantity: 1
300-7930: 33.5mm Diameter Internal Retaining Ring
300-7930: 33.5mm Diameter Internal Retaining RingQuantity: 1
167-2202: 60mm Rod Diameter Buffer Seal
167-2202: 60mm Rod Diameter Buffer SealQuantity: 1
095-1608: 3.5 x 44.7mm 90A NBR O-Ring
095-1608: 3.5 x 44.7mm 90A NBR O-RingQuantity: 1
5J-4965: 102.87mm Inner Diameter Expander Ring
5J-4965: 102.87mm Inner Diameter Expander RingQuantity: 1
9X-7260: 60.32mm Inside Diameter Plastic Ring
9X-7260: 60.32mm Inside Diameter Plastic RingQuantity: 1
175-7903: 3.53 x 120.24mm 90A NBR O-Ring
175-7903: 3.53 x 120.24mm 90A NBR O-RingQuantity: 1
8T-8390: 120.60mm Outer Diameter Plastic Ring
8T-8390: 120.60mm Outer Diameter Plastic RingQuantity: 1
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DescriptionSpecificationsCompatible Models
Description for part number 381-2732

Description: Cat® Hydraulic Cylinder Seal Kits contain all seals required for a complete reseal of a hydraulic cylinder. Attributes: Cat® Hydraulic Cylinder Seal Kits contain genuine Cat® seals, many of which feature proprietary materials and patented designs for superior compression set and broader temperature applications. All are matched to your application, helping to ensure top performance and long wear life. Also, because Cat® Hydraulic Cylinder Seal Kits provide all seals required for a complete reseal, customers are provided with a quick solution during time sensitive repairs. This ensures maximum uptime and productivity. Recommended Application: Cat® Hydraulic Cylinder Seal Kit application is specific to a cylinder group part number and incorporates the most recent engineering improvements.

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Warning:This product can expose you to chemicals including Lead and lead compounds, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Specifications for part number 381-2732

We are still working on adding a specification for this part.

Compatible Models for part number 381-2732

BACKHOE LOADER

420E 434E

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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