Leak-Proof Aluminum Engine Heater Core Bypass Kit, 5/8in And 3/4in Hose Fittings

Keep your engine cooling system flexible and maintenance-free with the Leak-Proof Aluminum Engine Heater Core Bypass Kit, designed for 5/8in and 3/4in hose fittings. This universal bypass kit provides a reliable alternative when the heater core is faulty or leaking, helping you avoid overheating and costly radiator repairs. Built to withstand the demands of everyday driving, it offers a straightforward, direct replacement that fits most common heater hoses without the need for extensive modifications.

Designed for durability and long-lasting performance, the kit features a robust aluminum construction with rubber seals for a tight, leak-free connection. It uses interchangeable 5/8in and 3/4in hose adapters to accommodate the two most common hose sizes, ensuring a quick and simple installation on a wide range of vehicle makes and models. The connectors and fittings are engineered to meet or exceed original OEM standards, delivering dependable operation over time.

Whether you’re tackling a sudden heater core leak, planning a quick bypass to diagnose a cooling or heating issue, or performing routine maintenance, this kit makes the process efficient and hassle-free. It’s an ideal choice for DIY enthusiasts who value reliability and a clean, flutter-free bypass that keeps your engine performance stable while you address the underlying heater core problem.

Benefits & Tips

• Quickly bypass a faulty heater core to keep the engine cooling system functioning and prevent overheating during repairs.
• Use the 5/8in and 3/4in hose adapters to fit the most common heater hoses without modifying your vehicle’s existing plumbing.
• Simple, direct replacement—swap out the old heater core bypass parts in minutes and continue driving while you plan a proper repair.

Product Specifications

• Item Type: Engine Heater Core Bypass Kit
• Material: ABS + metal + rubber (durable aluminum construction noted in features)
• Hose Fitting Size: 5/8in and 3/4in
• Applicable Vehicle Type: Universal for cars

Package includes:

• 1 x U Shaped Hose
• 4 x Clamp
• 4 x Hose Fitting

Warnings/Reminders

• Ensure the hose fittings match your vehicle’s hoses (5/8in or 3/4in) before installation.
• Designed for universal car applications; verify compatibility with your cooling system prior to use.

All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.

Since 2002, intercyprus.com has delivered reliable, quality parts with a commitment to customer-focused service.