Need help? We're here!
(888) 312-8812 Login SignupWhat keeps heavy-duty braking systems performing under pressure? The International Hydromax Booster Kit is the key to maintaining a truck’s braking power. Expertly engineered for hydrovac and hydraulic-boosted systems, this kit improves brake responsiveness, ensuring a strong and controlled stop, even under loads that are heavy. Through the process of amplifying brake force without overstraining the system, the International 6041701C91 provides drivers with the confidence to go through steep grades, sudden stops, and unpredictable road conditions.
International® is a leading manufacturer of medium- and heavy-duty trucks, trusted by fleets and drivers across industries for performance, durability, and innovation. As part of Navistar, this brand not only builds trucks designed for the long haul but also engineers a full line of OEM replacement parts to keep them running at their best. International parts are specifically designed for seamless integration with International vehicles, ensuring reliability, safety, and maximum uptime. Backed by decades of real-world experience, the brand delivers the parts and support needed to keep commercial trucks moving—day in and day out.
California residents see

