Pack-1 Automotive 551699 U-shaped Heater Core Crossover Cooling Water Bypass Hose, Rubber Heat-resistant Connector, Jumper Adapter with Clamp, Compatible with LS1 LSX LS2 LS3 LQ4 LQ9 (Black)

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U-shaped Design: This connector adopts a U-shaped design, which is more flexible and convenient when connecting components such as the car heater core. The U-shaped design can also reduce the reflux resistance and improve the fluidity of the contents, so that the heating system can work more efficiently.
Durable Materials: The hose is made of high-quality rubber material with good durability and heat resistance, which can withstand high temperatures, ensure long-term reliable use, and provide good working conditions.
Product Parameters: You will receive a U-shaped car heater core bypass hose, two clips. The bypass hose has an inner diameter of 0.6 inches and an outer diameter of 0.98 inches on one end, and an inner diameter of 0.75 inches and an outer diameter of 1.08 inches on the other end.
Pressure Resistance and Bending Resistance: This connector has high pressure resistance and bending resistance, which can withstand the pressure inside the system and the extrusion or bending of the external environment, ensuring the normal operation and safety of the system.
Compatibility Information: This product is compatible with LS1 LSX LS2 LS3 LQ4 LQ9. Please confirm your model and compare the picture size before purchasing to ensure that it can be installed correctly.

Civwesi Pack-1 Automotive 551699 U-shaped Heater Core Crossover Cooling Water Bypass Hose, Rubber Heat-resistant Connector, Jumper Adapter with Clamp, Compatible with LS1 LSX LS2 LS3 LQ4 LQ9 (Black)

Killobyte DIY

Reviewed in the United States on December 4, 2024

I got this for bypassing the heater core on an LS and it fits perfectly. These are required because the LS water pump doesn’t have an internal bypass like a SBC does. One end of the hose is 3/4” ID and the other is 5/8” ID. It also included the two hose clamps.

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Pack-1 Automotive 551699 U-shaped Heater Core Crossover Cooling Water Bypass Hose, Rubber Heat-resistant Connector, Jumper Adapter with Clamp, Compatible with LS1 LSX LS2 LS3 LQ4 LQ9 (Black)