Ls Lt Heater Core Bypass Hose Coolant Crossover For Chevrolet Pontiac Ls1 Lm7 Lq4 Ls6 L59 Lq9 Lm4 L33 Ls2 Lh6 L92 L76 Ly2 Ly5 Ly6 Lc9 Lfa Lh8 Ls3 L9h L20 Lz1 L99 L96 Lc8 1998 And Newer Replace 551699