When it comes to line and hose protection Design Engineering has you covered. With a variety of styles of sleeves like our Heat sheath, Heat Shroud, Gold and Vapor Block sleeves that reflect heat for any application. We also have a full line of insulating and abrasion protective sleeves and looms like our Easy loom, Fire sleeve and wrap to our Exo sleeves. Everything needed to keeps things cool and protected.

As low as $35.93
Cool Tube™ solves the problem of needing a semi-rigid, cost effective tubing to protect lines, hoses & wires from heat and abrasions. Designed to provide the ultimate thermal protection from damaging heat, Cool Tube is designed to resist...
As low as $31.27
A high temperature resistant braided glass material, woven into a sleeve and heavily coated with 100% silicone rubber with 304 stainless mesh outer covering, EXO Sleeve provides the ultimate in heat insulation and protection from direct heat up to...
As low as $23.54
Fire Sleeve solves the problem of heat and abrasions damaging fuel, transmission and brake lines and is a fireproof solution. Constructed from a high temperature resistant braided glass material, woven into a sleeve and heavily coated with 100% iron...
As low as $60.89
Fire Wrap 3000™ thermal insulator sleeve is constructed from the same material as DEI Fire Sleeve™ but with the convenience of a hook & loop edge closure design.  Fire Wrap 3000™ provides the same top quality heat insulation...
As low as $14.87
Heat Sheath™ solves the problem of heat and abrasions causing failure of lines, hoses & wires. Designed to slide over wires, cables and hoses, Heat Sheath provides the ultimate protection from extreme heat as well as chemical and oil spills,...
As low as $32.63
Heat Shroud™ solves the problem of heat and abrasions causing failure of lines, hoses and wires without the need to disconnect them. Heat Shroud is made from a high temperature rated glass fiber fabric with an aluminized outer facing. Same as Heat...
As low as $12.14
DEI Protect-A-Wire kits provide thermal protection for expensive spark plug wire sets. Protect your wires from potential burning, cracking, and hardening typically caused by severe under hood heat. DEI wire heat protection kits easily install by removing...
As low as $0.60
Protect expensive spark plug wire sets from potential burning, cracking, and hardening typically caused by severe under hood heat. Easily installs on wire by removing distributor boot and sliding Protect-A-Wire™ over spark plug wire. Buy in bulk...