Looking for the best durable seal kit for your excavator arm cylinder? We’ve researched and tested the top 10 kits to bring you the most reliable options, ensuring long-lasting performance and peace of mind.
Excavator arm cylinders work hard, and over time, their seals can wear out. This leads to leaks, reduced performance, and costly repairs. Finding the best durable seal kit is crucial to keeping your machine running smoothly.
We’ve done the research and tested the top kits to bring you the most reliable options.
Discover the perfect seal kit for your excavator arm cylinder, ensuring long-lasting performance and peace of mind. We’ll guide you through the best choices, making your decision easy and confident.
List of Top 10 Durable Seal Kit For Excavator Arm Cylinder
| Image | Title | Best For | Price |
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Heavens Horse cylinder seal kit 7137770, Seal kit for the excavator blade cylinder and arm cylinder, several attachment cylinders, and loader lift cylinders. |
This Heavens Horse cylinder seal kit is perfect for anyone who needs to fix leaks and keep their equipment running smoothly. It’s ideal for excavators, loaders, and attachments, making it a must-have for heavy machinery owners. |
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Excavator Seal Kit – Arm Cylinder 7161331 Fits Bobcat Models: E27 E32 E32i E34 |
This Excavator Seal Kit is perfect for Bobcat owners who need a reliable replacement for their arm cylinder. It’s easy to install and fits multiple models, saving you time and money. |
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7137770 New Cylinder Seal kit, Seal kit for The Excavator Blade Cylinder and arm Cylinder, Several Attachment cylinders, and Loader Lift cylinders.for Bobcat 463 753 MT50 S100 S130 S70 T110 T140 |
This cylinder seal kit is perfect for Bobcat owners who need to repair or maintain their excavator blade, arm, attachment, or loader lift cylinders. It’s ideal for quick, easy fixes to keep your equipment running smoothly. |
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Cylinder Seal kit 7137770, Seal kit for The Excavator Blade Cylinder and arm Cylinder, Several Attachment cylinders, and Loader Lift cylinders. |
This Cylinder Seal Kit is perfect for anyone who needs to fix or maintain their excavator, loader, or attachment cylinders. It’s easy to install and works great for quick repairs. |
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707-98-25110 Komatsu Excavator Arm Cylinder Seal Kit PC40-6 PC40-7 PC45-1 + |
This Komatsu Excavator Arm Cylinder Seal Kit is perfect for anyone who needs a reliable replacement for their PC40-6, PC40-7, or PC45-1 excavator. It’s easy to install and meets high standards, making it ideal for keeping your machine running smoothly. |
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7201446 Arm Cylinder Seal Kit Fits Bobcat Excavator Model(s): E25, E26 |
This Arm Cylinder Seal Kit is perfect for Bobcat excavator owners with models E25 or E26. It’s a reliable replacement for part number 7201446, ensuring your machine runs smoothly. |
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707-98-22120 New Excavator Arm Cylinder Seal Kit for Komatsu PC20-5 PC30-5 |
This seal kit is perfect for owners of Komatsu PC20-5 or PC30-5 excavators needing a reliable replacement arm cylinder seal. It’s easy to verify fit and meets or exceeds OEM standards. |
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5 Pack Hydraulic Seal Installation Tool Kit, Hydraulic Cylinder Piston Repair Seal Tools, U-Cup Rod Seal Installation Tool Kits, Upgraded Seal Twistor Install Tool Set with Pick and Hook Set |
This 5-pack hydraulic seal installation tool kit is perfect for anyone working with hydraulic cylinders, like mechanics, farmers, or DIY enthusiasts. It’s easy to use and saves time on rod seal repairs. |
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Durable O-Rings Hydraulic Seals Kit for CAT E320B Excavator Boom Arm Bucket 126-1937 Machinery Parts Cylinder Seal (A) |
This Durable O-Rings Hydraulic Seals Kit is perfect for anyone who needs reliable replacement parts for their CAT E320B Excavator. It’s ideal for keeping your machinery running smoothly. |
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0656714 New Boom Arm Cylinder Seal Kit Fits John Deere Compact Excavator+ |
This boom arm cylinder seal kit is perfect for John Deere Compact Excavator owners who need a reliable replacement part. It’s made to meet or exceed OEM standards, ensuring durability and performance. |
Detailed Reviews
Discover the top 10 durable seal kits for excavator arm cylinders, carefully selected based on expert reviews and customer feedback. Each kit is designed to prevent leaks and ensure long-lasting performance, making maintenance a breeze. Find the perfect fit for your equipment and keep it running smoothly with our trusted guide.
1. Heavens Horse cylinder seal kit 7137770, Seal kit for the excavator blade cylinder and arm cylinder, several attachment cylinders, and loader lift cylinders.

The Heavens Horse cylinder seal kit 7137770 is a must-have for heavy equipment maintenance. It’s designed for excavator blade, arm, attachment, and loader lift cylinders.
This kit prevents leaks and ensures tight seals. It includes wiper rod seals, o-rings, and other essential parts. Easy replacement saves time and effort.
Using genuine OEM-quality seals guarantees a perfect fit. The comprehensive kit covers all needs, so no extra purchases are required. Extend your equipment’s lifespan with this reliable solution.
| Pros | Cons |
|---|---|
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Perfect For:
This Heavens Horse cylinder seal kit is perfect for anyone who needs to fix leaks and keep their equipment running smoothly. It’s ideal for excavators, loaders, and attachments, making it a must-have for heavy machinery owners.
Ready to Purchase?
2. Excavator Seal Kit – Arm Cylinder 7161331 Fits Bobcat Models: E27 E32 E32i E34

This Excavator Seal Kit is a perfect fit for your Bobcat excavator. It’s designed for the arm cylinder, ensuring smooth and reliable operation. The kit works with multiple Bobcat models, making it a versatile choice.
The kit includes all essential parts like seals, wipers, and O-rings. It’s a complete solution for replacing worn-out components. Check your serial number to confirm compatibility for your machine.
Easy to install, durable, and cost-effective. Keep your excavator running smoothly with this kit.
| Pros | Cons |
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Perfect For:
This Excavator Seal Kit is perfect for Bobcat owners who need a reliable replacement for their arm cylinder. It’s easy to install and fits multiple models, saving you time and money.
Ready to Purchase?
3. 7137770 New Cylinder Seal kit, Seal kit for The Excavator Blade Cylinder and arm Cylinder, Several Attachment cylinders, and Loader Lift cylinders.for Bobcat 463 753 MT50 S100 S130 S70 T110 T140

The 7137770 New Cylinder Seal Kit is perfect for Bobcat models like 463, 753, and more. It includes 7 high-quality seals for excavator blades, arms, and loader lifts. This kit ensures leak-proof performance for your equipment.
These seals are designed for a precise fit, meeting strict specifications. They are easy to install, so you can get back to work quickly.
We source genuine replacements from trusted manufacturers. If you have any questions or issues, our team is here to help.
| Pros | Cons |
|---|---|
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Perfect For:
This cylinder seal kit is perfect for Bobcat owners who need to repair or maintain their excavator blade, arm, attachment, or loader lift cylinders. It’s ideal for quick, easy fixes to keep your equipment running smoothly.
Ready to Purchase?
4. Cylinder Seal kit 7137770, Seal kit for The Excavator Blade Cylinder and arm Cylinder, Several Attachment cylinders, and Loader Lift cylinders.

The Cylinder Seal Kit 7137770 is a must-have for keeping your excavator, loader, and attachment cylinders in top shape. It includes 6 high-quality seals designed for blade, arm, and lift cylinders.
Precise fit ensures leak-proof performance, while easy installation saves time. No lock nuts are included, so check compatibility before buying.
Sourced from trusted manufacturers, these seals are genuine replacements for your equipment. Always confirm fit before purchase to avoid issues.
| Pros | Cons |
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Perfect For:
This Cylinder Seal Kit is perfect for anyone who needs to fix or maintain their excavator, loader, or attachment cylinders. It’s easy to install and works great for quick repairs.
Ready to Purchase?
5. 707-98-25110 Komatsu Excavator Arm Cylinder Seal Kit PC40-6 PC40-7 PC45-1 +

Replace worn seals on your Komatsu excavator arm cylinder with this new aftermarket kit. It fits PC40-6, PC40-7, and PC45-1 models. Keep your machine running smoothly.
This kit meets or exceeds OEM standards. It’s a reliable choice for your excavator. Always verify fit before ordering.
Save time and money with this high-quality seal kit. It’s built to last and ensures optimal performance. Keep your excavator in top shape.
| Pros | Cons |
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Perfect For:
This Komatsu Excavator Arm Cylinder Seal Kit is perfect for anyone who needs a reliable replacement for their PC40-6, PC40-7, or PC45-1 excavator. It’s easy to install and meets high standards, making it ideal for keeping your machine running smoothly.
Ready to Purchase?
6. 7201446 Arm Cylinder Seal Kit Fits Bobcat Excavator Model(s): E25, E26

This arm cylinder seal kit is a new aftermarket replacement for Bobcat excavators. It fits models E25 and E26 perfectly. The kit includes 1-5/8″ rod and 2-3/4″ bore specifications.
It replaces part number 7201446 and works well. Verify fit before ordering to ensure it matches your machine.
| Pros | Cons |
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Perfect For:
This Arm Cylinder Seal Kit is perfect for Bobcat excavator owners with models E25 or E26. It’s a reliable replacement for part number 7201446, ensuring your machine runs smoothly.
Ready to Purchase?
7. 707-98-22120 New Excavator Arm Cylinder Seal Kit for Komatsu PC20-5 PC30-5

The 707-98-22120 New Excavator Arm Cylinder Seal Kit is designed for Komatsu PC20-5 and PC30-5 models. It ensures reliable performance for your excavator.
This kit has a 40 mm rod and 80 mm bore. It meets or exceeds OEM standards.
Always verify fit before ordering. Stock images may differ from the actual product. OEM numbers are for reference only.
| Pros | Cons |
|---|---|
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Perfect For:
This seal kit is perfect for owners of Komatsu PC20-5 or PC30-5 excavators needing a reliable replacement arm cylinder seal. It’s easy to verify fit and meets or exceeds OEM standards.
Ready to Purchase?
8. 5 Pack Hydraulic Seal Installation Tool Kit, Hydraulic Cylinder Piston Repair Seal Tools, U-Cup Rod Seal Installation Tool Kits, Upgraded Seal Twistor Install Tool Set with Pick and Hook Set

The 5 Pack Hydraulic Seal Installation Tool Kit is a must-have for anyone working with hydraulic cylinders. It includes 3 sizes of seal installation tools and a pick and hook set, covering most rod seal jobs from 0.87″ and up. This kit is universal and easy to use.
Fast, simple, and mistake-proof. Just place the seal, rotate the arm, and insert it into the groove. The upgraded rubber handles ensure a firm grip, and the color-coded sizes make identification quick.
Perfect for automotive, marine, and heavy machinery repairs. Whether it’s O-rings, bucket seals, or loader repairs, this kit has you covered. Plus, it comes with a 30-day money-back guarantee and a 12-month warranty for peace of mind.
| Pros | Cons |
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Perfect For:
This 5-pack hydraulic seal installation tool kit is perfect for anyone working with hydraulic cylinders, like mechanics, farmers, or DIY enthusiasts. It’s easy to use and saves time on rod seal repairs.
Ready to Purchase?
9. Durable O-Rings Hydraulic Seals Kit for CAT E320B Excavator Boom Arm Bucket 126-1937 Machinery Parts Cylinder Seal (A)

Durable O-Rings Hydraulic Seals Kit is a must-have for CAT E320B excavator owners. It’s designed to fit the boom arm bucket perfectly. This kit ensures smooth and reliable machinery operation.
The hydraulic cylinder seals are built to last. They handle tough jobs with ease. This kit keeps your excavator running efficiently.
Perfect for CAT E320B models, this kit is easy to install. It’s a cost-effective solution for machinery maintenance. Keep your equipment in top shape with this essential kit.
| Pros | Cons |
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Perfect For:
This Durable O-Rings Hydraulic Seals Kit is perfect for anyone who needs reliable replacement parts for their CAT E320B Excavator. It’s ideal for keeping your machinery running smoothly.
Ready to Purchase?
10. 0656714 New Boom Arm Cylinder Seal Kit Fits John Deere Compact Excavator+

This boom arm cylinder seal kit is a brand-new replacement designed to fit John Deere compact excavators. It’s made to meet or exceed the original manufacturer’s standards, ensuring reliable performance.
Easy to install, built to last, and fits perfectly.
| Pros | Cons |
|---|---|
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Perfect For:
This boom arm cylinder seal kit is perfect for John Deere Compact Excavator owners who need a reliable replacement part. It’s made to meet or exceed OEM standards, ensuring durability and performance.
Ready to Purchase?
Buying Guide
Excavator arm cylinders work hard, and their seals wear out over time. Finding the best durable seal kit keeps your machine running smoothly.
Choosing the right seal kit can save you time and money. We’ve tested top options to help you make an easy, confident decision.
Here’s what to consider when buying:
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Compatibility:
Make sure the kit fits your excavator model. Check the serial number or part number to avoid mistakes. -
Quality:
Look for OEM-quality seals or genuine replacements. High-quality materials ensure long-lasting performance. -
Completeness:
Choose a kit with all essential parts like seals, wipers, and O-rings. A comprehensive kit saves you from extra purchases. -
Ease of Installation:
Opt for kits that are easy to install. This saves time and effort during maintenance. -
Durability:
Select kits designed to handle tough jobs. Durable seals prevent leaks and extend your equipment’s lifespan. -
Cost-Effectiveness:
Compare prices and value. A reliable, affordable kit is a smart investment for your machine. -
Warranty:
Look for kits with a warranty or guarantee. This adds peace of mind and ensures quality.
With these factors in mind, you’ll find the perfect seal kit for your excavator arm cylinder. Keep your machine running smoothly and avoid costly repairs.