SKPs OE Replacement Heater Pipes/Tubes are an affordable, high quality alternative to expensive OE components, restoring your vehicles functionality to factory levels without the high dealer price. Engineered and manufactured to achieve exact OE fit, form, and function ensuring a no-hassle installation and a leak free cooling system. Rugged materials, precision manufacturing processes, and stringent quality control standards ensure our replacement heater pipes will meet or exceed your expectations. Fits 97-98 F150, 97-98 E150, and 97-98 E250 vehicles with 4.2L V6 engines. Replaces OE No. F65Z18663AC. Heater outlet to water pump. SKP Automotive manufactures only premium quality products that meet or exceed OEM standards. Engineered to be the best performing products on the market, from initial component construction to assembly and final packaging, every SKP replacement component benefits from our commitment to robust engineering, precision manufacturing, and rigorous testing standards. Our global volume, production capacity, and insatiable desire to produce only the best replacement auto parts in the marketplace, are complemented by our customer centric operating philosophy, positioning SKP Automotive as a preferred supplier to the automotive aftermarket. With rigorous testing programs, QC processes and a company-wide commitment to best practices, ISO 9001 certified SKP Automotive is dedicated to bringing you the premium quality replacement parts you want at a price you can afford.