Billet Aluminum Cooling Cap Kit – Compatible with Polaris Ranger RZR Scrambler Sportsman – Replacement for 5430743

This billet aluminum cooling cap kit is designed to replace the factory coolant cap assembly used on many Polaris ATV and UTV models. The kit includes a billet aluminum radiator cap, overflow bottle, and cap gasket, providing a direct replacement for the original plastic components. Manufactured to match the original dimensions and sealing surfaces, this kit installs in the factory location without modification and maintains proper cooling system operation. It is intended for machines originally equipped with Polaris cooling cap assemblies using the listed part numbers and is commonly replaced during cooling system service or when addressing damaged or deteriorated original components. Fitment Fits the following models (verify application before ordering): Sportsman ACE 325 / 500 / 570 / 900 (2014–2019) General 1000 / General 4 / General XP models (2016–2024) Magnum 425 / 500 (1995–2003) Ranger 400 / 500 / 570 / 700 / 800 / 900 / 1000 and Crew variants (2004–2025) RZR 570 / 800 / 900 / 1000 / RS1 / Trail and XP variants (2008–2024) Scrambler 400 / 500 / 850 / XP 1000 (1995–2024) Sport 400 / 400L Sportsman 400 / 450 / 500 / 550 / 600 / 700 / 800 / 850 / 1000 and Touring / X2 variants Trail Blazer 250 (1996–1997) Replacement Part Numbers: 5430743, 5433774, 5431895, 5710279

• Replacement Part Numbers: 5430743, 5433774, 5431895, 5710279
• Billet aluminum cooling cap kit for Polaris ATV and UTV models
• Replaces factory plastic coolant cap and overflow components
• Direct replacement designed to match original fit and sealing surfaces
• Includes radiator cap, overflow cup, and cap gasket
• Installs in the factory location with no modifications required