High-Quality O-Ring Kit for Komatsu Excavators - Durable Sealing Solution for Hydraulic Systems - Perfect for Construction, Mining & Heavy Equipment Maintenance

This single-sided O-ring service kit contains commonly used 21T high pressure (excavator series) O-rings for Komatsu equipment and replaces Komatsu kit #1400689H91. 10 SIZES 101 O-RINGS. Meets or exceeds OEM specification. OEM part numbered for easy reference. We promise to provide the best, highest quality o-rings and kits available at a fair price. Our o-rings will meet or exceed OEM specifications and we'll get them to you as fast as we possibly can.