Find Intercooler Sprayer Kits and accessories to improve the performance of your 1989-1993 Dodge 5.9L Diesel. These kits are engineered to lower fuel and air temperatures as well as boost your intercoolerÂ’s thermal transfer. Intercooler sprayers can lowers intake air temperatures by as much as 35% and improves intercooler efficiency by as much as 50%. Find the components you need to get the job done from DEI and other top manufacturers at XDP!