• 【LEAK-PROOF DESIGN】 The Heavy-Duty Pressure Connections Ensure A Secure And Leak-Proof Seal, Preventing Any Coolant, Water, Or Air From Leaking Out Of The System. Technical Specification: Product Type: Reinforced Silicone Coolant Cap Bekelan Part Number: BEK-VH-GJM19Black Temperature Range:- 65 deg.