The QuadBoss® Radiator Cap is a reliable, heavy-duty replacement part designed to maintain the correct pressure in your ATV or UTV’s cooling system. Built as a direct O.E.-replacement, this radiator cap ensures dependable performance while providing a secure, leak-free seal that protects your engine from overheating and coolant loss. Crafted from durable silver steel, this cap is engineered to handle the demands of both recreational and utility riding, making it an essential component for riders who expect consistent performance and long-lasting quality.
This radiator cap is rated at 0.9 Bar (13 PSI), which is the ideal pressure setting to help maintain optimal operating temperature and prevent coolant from boiling over. By keeping the cooling system under the right pressure, the QuadBoss® radiator cap improves efficiency, extends the life of your engine, and ensures that your vehicle operates smoothly in challenging conditions. Whether you are working hard on rugged terrain or exploring off-road trails, this cap provides the reassurance that your cooling system is functioning as it should.
Installation is simple and straightforward since this cap is designed as an automotive-style, direct-fit replacement. Weighing only 0.20 lbs, it is lightweight yet strong enough to withstand continuous use. The compact design makes it easy to carry as a spare, offering peace of mind for long rides where unexpected maintenance might be needed. Riders who want to avoid costly engine repairs understand the importance of a well-maintained cooling system, and the QuadBoss® radiator cap is a small but vital part of that maintenance routine.
Perfect for Polaris Sportsman models and other compatible vehicles, this radiator cap provides reliability, durability, and factory-level fit. With QuadBoss®’s reputation for quality ATV and UTV parts, you can trust that this radiator cap will deliver the performance you need to keep your machine running at its best.