4R100 Transmission Line Upgrade Kit

Fitment: 99-04 FORD Lightning F-150 / 02-03  FORD Harley Davidson F-150

Upgrade your 4R100 transmission with premium PTFE lines engineered for durability and performance. This comprehensive kit features larger diameter lines that reduce pressure drops and improve fluid flow, paired with an oversized oil cooler for superior heat management. Unlike standard -AN hose that degrade within years, these heavy-duty PTFE are oil and gas compatible, and built to last a lifetime. Keep your transmission running cooler and stronger with a single, permanent upgrade that delivers lasting reliability and peace of mind.

We are offering two styles of kits;

Basic

• Kit Includes: -6an PTFE line from front section transmission lines to trans cooler, 4x -6an line fittings, 2x -6an tube compression fittings, 2x -6an oil cooler fittings, and transmission cooler.

Full Length 

• Kit Includes: -6an PTFE line from transmission to trans cooler, 4x -6an line fittings, 2x -6an transmission fittings, 2x -6an oil cooler fittings, and transmission cooler.