21712-79900 Car Coolant Overflow Reservoir Tank Cap, Automotive Engine Radiator Coolant Water Tank Reservoir Cover, Vehicle Radiator Cap Replacement for Sedan, SUV(4PCS)

This car coolant antifreeze reservoir tank cap provides a tight seal to prevent coolant leakage and maintain stable internal pressure, ensuring proper engine cooling.SPECIFICATION:Brand: TuxihappName: Coolant Overflow Reservoir Tank CapColor: BlackMaterial: PlasticSIZE: 1.49 × 1.49 × 0.43 inchApplicable: Most vehiclesFEATURES:-This car coolant reservoir cap is compact and lightweight, easily stored in the glove compartment for convenient access during maintenance tasks.-This car coolant overflow reservoir cap features no-hassle installation requiring no specialized tools—simply hand-tighten for secure fitment.-This car coolant overflow reservoir cap withstands extreme environments and rough road conditions, delivering consistent performance over extended periods.

• 【Materials】: This car coolant reservoir cap is crafted from premium plastic, offering exceptional high-temperature resistance. It operates reliably in the engine compartment's intense heat without cracking or warping. Additionally, its scratch-resistant and impact-resistant properties ensure it withstands daily vehicle vibrations and shocks, guaranteeing a long service life.
• 【Good Sealing】: The cap's threads are precision-engineered for a tight fit with the reservoir's interface, ensuring reliable sealing. This effectively prevents coolant leakage, reducing engine overheating and other failures caused by coolant loss, thereby providing robust protection for stable engine operation.
• 【Main Function】: The core function of this car coolant antifreeze reservoir tank cap is to prevent coolant overflow from the reservoir during vehicle operation. It precisely maintains optimal fluid levels and stable pressure within the reservoir, supporting efficient engine cooling and normal operation, thereby enhancing driving safety.
• 【Compatible With】: This car coolant reservoir cap is widely compatible with most automotive coolant types, primarily fitting sedans, SUVs, and various other models. It recommends verifying the cap dimensions and vehicle compatibility beforehand to ensure proper installation and use.
• 【Package Size】: The package includes 4 car coolant overflow reservoir caps, model 21712-79900. Dimensions: Outer diameter approx. 1.49 × 1.49 inches, inner diameter approx. 1.2 × 1.2 inches, height approx. 0.43 inches. Sufficient quantity to meet daily usage and spare needs.