MOOSE OFFROAD 1903-0018 212-1801 High Pressure Radiator Cap Black - 1.8 Bar 26 PSI

OVERVIEW

The MOOSE OFFROAD 1903-0018 High Pressure Radiator Cap is engineered to replace standard factory units with a reinforced 1.8-bar component that actively prevents coolant loss and stops engine overheating during intensive trail riding. Built with a durable housing and premium high-temperature silicone seals, this part maintains continuous thermal equilibrium and cooling system integrity. It delivers a direct bolt-on replacement for a broad selection of Japanese motorcycle and powersport platforms.

ENGINEERING & PERFORMANCE

Elevating the cooling system’s maximum operating pressure to 26 PSI raises the coolant’s boiling threshold, effectively eliminating premature over-boiling under sustained mechanical load. The precision-formed housing mates with heat-stable silicone sealing rings to preserve a leak-proof barrier throughout extended high-RPM operation. This calibrated pressure tolerance guarantees steady thermal management without introducing complex modifications to the existing cooling circuit.

KEY FEATURES

• High-pressure radiator cap rated at 1.8 bar (26 PSI)
• Equipped with high-temperature silicone seals for reliable gasket retention
• Direct aftermarket replacement for compromised stock caps
• Corrosion-resistant surface finish guards against trail debris and moisture exposure
• Bolt-on installation requires no additional adapters or system modifications
• Upgraded pressure rating safely expands coolant boiling capacity
• Cost-effective solution designed to prevent engine boil-over

TECHNICAL SPECIFICATIONS

• Brand: Moose Offroad
• Part Name: High Pressure Radiator Cap
• Component Type: Radiator Cap
• Pressure Rating: 1.8 Bar / 26 PSI
• Seal Configuration: High-temperature silicone
• Finish: Black

FITMENT

• Universal — fits most ATV, UTV, motorcycle, and powersports engines as specified.

WHY RIDERS CHOOSE THIS

Riders upgrade to this cap when factory radiators repeatedly lose fluid or struggle to dissipate heat during aggressive off-road or track use. The reinforced pressure specification working alongside the corrosion-resistant silicone seals keeps the entire cooling loop tightly sealed and thermally stable, directly mitigating boil-over and cascading engine damage. Because it mounts directly to the existing tank while lifting thermal limits, riders secure dependable long-distance cooling flexibility without rearranging hoses, switches, or reservoirs.