7156581: Boom / Arm Hydraulic Cylinder Seal Kit for Bobcat Excavator 331, 331E, 334, 430
Description for part number 7156581
The 7156581 Hydraulic Cylinder Seal Kit is a high-quality replacement solution specifically designed for the Bobcat Excavator 331, 331E, 334, 430. This kit contains all necessary seals for the Boom / Arm, many of which are manufactured from proprietary materials (such as high-grade Polyurethane, NBR, and PTFE) and patented designs. These components offer superior compression set performance and a broader temperature application range. All seals are produced strictly to standard specifications, ensuring a precise match with your application for optimal performance and an ultra-long service life.
Recommended Application:
The 7156581 Seal Kit is custom-tailored for the Boom / Arm of the Bobcat Excavator 331, 331E, 334, 430. It is an ideal choice for routine maintenance or emergency repairs, effectively preventing hydraulic leaks and maintaining system pressure.
Specifications for part number 7156581
| Feature | Details |
|---|---|
| Part Number | 7156581 |
| Brand Compatibility | Bobcat |
| Machine Type | Excavator |
| Model | 331, 331E, 334, 430 |
| Application Area | Boom / Arm |
| Rod Diameter | 1-3/4″ |
| Bore Diameter | 3-1/4″ |
| Material | High-performance Polyurethane, NBR, PTFE etc |
| Kit Contents | Piston seals, Rod seals, Wiper seals, O-rings, and Backup rings etc |
Compatible Models for part number 7156581
The 7156581 Seal Kit is compatible with the following Bobcat models and applications:
- Bobcat Excavator:
- 331: Boom / Arm
- 331E: Boom / Arm
- 334: Boom / Arm
- 430: Boom / Arm

Note: Please verify your machine’s serial number or the part number of the seal kit to ensure correct fitment. If you are unsure or cannot find the corresponding part number, please contact us directly; our professional team will assist you in resolving the issue.

