Bobcat 7161331 Arm Cylinder Seal Kit—Hydraulic Rebuild Kit for E27, E32, E32i, E34, E35, E35i, E35Z, E37, E42 & E45 Mini Excavators

Restore the hydraulic performance of your Bobcat mini excavator with the Bobcat 7161331 Arm Cylinder Seal Kit. This premium OEM-quality hydraulic rebuild kit is engineered to eliminate leaks, restore smooth arm movement, and maximize digging power for demanding excavation applications.

Designed for 1-3/4" rod x 3" bore arm cylinders, this complete rebuild kit fits numerous Bobcat compact excavators, including the E27, E32, E32i, E34, E35, E35i, E35Z, E37, E42, and E45. Whether you're repairing a leaking hydraulic cylinder or performing scheduled preventive maintenance, the 7161331 seal kit provides every critical sealing component needed for a professional hydraulic cylinder overhaul.

Manufactured from premium hydraulic sealing materials, this rebuild kit is built to withstand the high pressures, harsh environments, and continuous operation common in construction, landscaping, utility work, and rental equipment fleets.

Complete Hydraulic Seal Kit Includes

• Buffer Seal (6692325)
• Rod Seal (6667327)
• Rod Wiper (6686999)
• Cylinder Nut (6810540)
• O-Rings
• Complete hydraulic sealing components for a professional cylinder rebuild

Features & Benefits

Direct OEM Replacement

Designed as a direct replacement for Bobcat Part Number 7161331, ensuring precise fitment and dependable hydraulic performance.

Complete Arm Cylinder Rebuild Kit

Includes all essential hydraulic seals and components required to perform a complete arm cylinder overhaul.

Eliminates Hydraulic Leaks

Replaces worn seals that cause hydraulic oil leaks, reduced digging power, slow arm movement, and pressure loss.

Heavy-Duty Hydraulic Components

Manufactured from high-quality materials engineered for high-pressure hydraulic systems and extended service life.

OEM-Quality Fit & Performance

Precision-engineered to meet or exceed original equipment specifications for long-lasting reliability.

Fast, Direct Installation

Drop-in replacement components require no modifications, making repairs faster while minimizing equipment downtime.

Technical Specifications

Part Number:
7161331 (SoTex Tools Part: BCK7161331)

Application:
Arm Hydraulic Cylinder Rebuild Kit

Cylinder Size:
1-3/4" Rod × 3" Bore

Compatible Cylinder Numbers:

• 7161189
• 7286654

Compatible Bobcat Models

This hydraulic cylinder seal kit is compatible with:

• Bobcat E27
• Bobcat E32
• Bobcat E32i
• Bobcat E34
• Bobcat E35
• Bobcat E35i
• Bobcat E35Z
• Bobcat E37
• Bobcat E42
• Bobcat E45

Compatible with all serial numbers utilizing the specified arm cylinder.

Ideal Applications

• Bobcat arm cylinder rebuilds
• Mini excavator hydraulic cylinder repairs
• Hydraulic leak repair
• Excavator preventive maintenance
• Construction equipment servicing
• Utility contractor equipment maintenance
• Landscaping equipment repair
• Rental fleet maintenance
• Heavy equipment hydraulic rebuilding
• Professional excavator service shops

Why Choose the Bobcat 7161331 Arm Cylinder Seal Kit?

A worn arm cylinder seal can lead to hydraulic leaks, reduced breakout force, slower arm operation, and costly downtime. The Bobcat 7161331 Arm Cylinder Seal Kit offers a dependable, cost-effective solution by allowing you to rebuild your existing hydraulic cylinder instead of replacing the complete assembly.

Designed for professional mechanics, equipment dealers, fleet maintenance departments, contractors, and owner-operators, this complete rebuild kit restores smooth hydraulic operation, extends cylinder life, and helps keep your Bobcat mini excavator operating at peak productivity.

Whether you're maintaining a single excavator or servicing an entire fleet, this premium hydraulic seal kit delivers the durability, precision fit, and long-lasting performance professionals expect.

Need help confirming compatibility with your Bobcat mini excavator or hydraulic cylinder? Contact SoTex Tools before ordering for expert technical support, product recommendations, and quantity pricing.