Heater Core Bypass Hose Coolant Crossover 551699 Compatible With 98-up GM LSX LS1 LS2 LS3 LS6 LS7 LM7 LT1 LT4 LQ4 LQ9

Heater Core Bypass Hose Coolant Crossover For 98-up GM - 551699 LSX LS1 LS2 LS3 LS6 LS7 LM7 LT1 LT4 LQ4 LQ9 Designed for 98-up LS and LT Gen III, IV, V engines with 5/8 inch and 3/4 inch heater supply and return ports.This coolant crossover loops the heater inlet and outlet ports on the LS/LT water pump, allowing for the safe removal of the heater core.Helps reduce vehicle weight and can prevent coolant leaks and overheating issues.Constructed to withstand prolonged exposure to under-hood heat and coolant.Material: Rubber and Stainless Steel Color: As shown Package includes: 1 x Hose 2 x Clamps

• Replacement for GM models from 1998 and up designed to fit LSX LS1 LS2 LS3 LS6 LS7 LM7 LT1 LT4 LQ4 LQ9 engine variants
• coolant crossover hose engineered for heater core bypass applications in performance and daily driven vehicles
• Constructed from materials to withstand elevated temperatures and pressure in engine environments
• Direct fit design simplifies installation with compatibility across a wide range of platforms
• Supports efficient cooling system by rerouting coolant flow during heater core removal or modification