LS Heater Core Bypass Hose Coolant Crossover with Clamps 551699 Replacement for LS1 LS2 LS3 LS6 LS7 LH6 L92 L76 L92 L76 LY2 LZ1 L99 L96 L99 L96 LC8 L96 LC8 L77 LM7 LR4 LM4 L33 LQ4 LQ9