- Direct OE Substitute: Enhance your vehicle's performance with the Aluminum Engine Heater Core Bypass Kit, featuring 5/8" and 3/4" hose sizes (part number 626-001). - Exact Vehicle Compatibility: This kit comes with interchangeable hose fittings, ensuring a perfect fit for the most common heater hoses in various vehicle models. - Easy to Install: Crafted from high-quality materials, each component is designed for durability and straightforward installation, making it suitable for both DIY enthusiasts and professional mechanics. - Complete Solution: The kit includes all necessary parts and hardware to effectively bypass a failed heater core and eliminate coolant leaks. The interchangeable hose fittings (5/8-inch and 3/4-inch) provide versatility for different applications. Use Scenarios: 1. Ideal for vehicles experiencing heater core failures, this kit allows you to bypass the malfunctioning unit, restoring proper coolant flow without extensive repairs. 2. Perfect for temporary solutions during critical repairs, this bypass kit can prevent overheating and maintain engine efficiency until a permanent fix is applied. 3. A great choice for classic car restorations where original heater cores are no longer available or practical to replace, ensuring your vintage vehicle remains functional. Key Attributes: - Function: Bypasses failed heater cores to stop leaks and maintain engine cooling. - Compatibility: Interchangeable hose sizes for widespread vehicle applicability. - Material: Durable aluminum construction for long-lasting performance. - Size: Includes both 5/8-inch and 3/4-inch hose fittings to accommodate various setups.