This single-sided, high-pressure, hose end kit contains Caterpillar kits #4C-5859, #9S-3135, #4C-4784 and several standard-size Boss o-rings. 33 SIZES 231 O-RINGS 45 D-RINGS. 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.
Trustpilot
2 days ago
2 months ago