Seals & Rings

Replacement Seals & Rings for Cat® Equipment

Having the right seals and rings ensures the hydraulic cylinders in your heavy equipment are capable of handling extreme pressures and temperatures. If you're searching for a reliable source for replacement seals and rings for Cat equipment or machines from other Allied brands, Thompson Tractor has you covered for all your maintenance and repairs. Our knowledgeable and experienced team will assist in analyzing your needs to find the seals and rings by Caterpillar® that provide a perfect fit for your particular equipment models.

Cat Seals and Rings for Sale

Resealing hydraulic cylinders is an economical way to lower long-term maintenance costs and improve the performance of hydraulic systems. Using genuine Cat seals and rings reduces the chance of leakage and extends the service life of machines. You may be able to find an alternative product that fits your models, but only Cat replacement seals and rings are designed, engineered, and tested to work with machines made by Caterpillar.

Within our selection, you'll find more than 1,000 seals to ensure solutions for all of your applications. From press-in and snap-in wiper seals to buffer, head, metal bearing head, and piston seals and wear rings, we have you covered. Whether you're looking to increase the productivity of a backhoe loader or need to repair or rebuild a damaged hydraulic excavator, we have the quality parts you need at competitive prices.

When You Need Replacement Seals and Rings for Your Equipment

Damaged and failing hydraulic cylinder seals are an enemy to the health and productivity of your fleet. That's why it's crucial to perform regular equipment inspections to identify signs of leakage from the hydraulic system. While wear is relatively easy to spot, diminishing performance, drift, and side loading are other common indicators of damage or contamination resulting from failing seals and rings. In the event that you do have leaky seals, time is of the essence to fix the problem before it leads to the need for more significant and costly repairs.

Ordering Cat Replacement Seals and Rings From Thompson Tractor

At Thompson Tractor, we offer the world-class capabilities of the Caterpillar brand in a local company that understands the challenges of your applications and industry. We've been meeting the heavy equipment needs of hard-working businesses throughout the region for more than 60 years. From seals and rings for Cat equipment to new, used, re-manufactured, and other parts solutions for just about any make and model of machine, we're your one-stop shop to make progress possible.

When you partner with us for seals and rings for sale, you'll benefit from convenient online shopping and ordering at We're focused on getting you the products you need fast with deliveries often the very next day and drop boxes and Thompson Tractor locations throughout Alabama and Northern Florida. It's the easiest and most effective way to keep your fleet operating at peak condition and get the most value from your heavy equipment investment.

Go to to find what you need and place your order. For more information and to speak with a live representative, contact us online or stop by to see us at our location near you.