Ensure a leak-free seal with this heavy-duty 396-piece Nitrile (NBR) 90 Shore O-Ring Kit. Specifically designed for the high-pressure demands of Caterpillar (CAT) equipment, this kit includes the 36 most popular sizes used in excavator maintenance, hydraulic pipe fittings, and pump repairs.
Whether you are a professional mechanic or a fleet owner, this organized set provides the durability and variety needed to minimize downtime and get your machinery back to work.
Professional Grade Material: Made from 90 Durometer Nitrile (NBR), offering superior hardness and resistance compared to standard 70 Duro rings.
Built for Extremes: Engineered for high temperature resistance, oil/fuel resistance, and anti-static properties. These rings are UV and wear-resistant for long-lasting performance in harsh environments.
Precision Fit for Caterpillar: Contains the 36 most essential sizes used on CAT equipment, including specialized D-Rings (1P-3702, 1P-3703, 1P-3704).
Organized & Portable: Housed in a heavy-duty, compartmentalized storage case with a size chart for quick identification and easy transport to the job site.
Versatile Application: Ideal for excavators, hydraulic pumps, pipe fittings, and general industrial plumbing.
| Attribute | Details |
| Brand | BUSY-CORNER |
| Material | Nitrile (NBR) Synthetic Rubber |
| Hardness | 90 Shore (Duro) |
| Total Count | 396 Pieces |
| Size Variety | 36 Popular Sizes (includes D-Rings) |
| Compatibility | Caterpillar Excavators / Universal Hydraulics |
| Item Weight | 1.41 lbs |
| Case Dimensions | 10.87 x 7.6 x 1.89 inches |
(1) Heavy-Duty Storage Case
(18) D-Rings (6 each of 1P-3702, 1P-3703, 1P-3704)
(378) Assorted NBR O-Rings