DEI

225 products
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225 products
DEI Protect-A-Boot - 6in - 8-pack - Red
REGULAR STOCK
SALE

DEI Protect-A-Boot - 6in - 8-pack - Red

MPN: 10522
DEI
$58.10
$84.54

DEI Protect-A-Boot - 6in - 8-pack - Red

Protect-A-Boots are made from a high temperature resistant glass fiber material and treated with a proprietary coating, Protect-A-Boots provide spark plug boot and wire protection from extreme under hood heat.Material Safety Data Sheet
MPN: 10522
DEI Protect-A-Boot - 6in - 8-pack - Black
REGULAR STOCK
SALE

DEI Protect-A-Boot - 6in - 8-pack - Black

MPN: 10512
DEI
$58.10
$84.54

DEI Protect-A-Boot - 6in - 8-pack - Black

Protect-A-Boots are made from a high temperature resistant glass fiber material and treated with a proprietary coating, Protect-A-Boots provide spark plug boot and wire protection from extreme under hood heat.Material Safety Data Sheet
MPN: 10512
DEI Protect-A-Boot - 6in - 8-pack - Silver
REGULAR STOCK
SALE

DEI Protect-A-Boot - 6in - 8-pack - Silver

MPN: 10502
DEI
$58.10
$84.54

DEI Protect-A-Boot - 6in - 8-pack - Silver

Protect-A-Boots are made from a high temperature resistant glass fiber material and treated with a proprietary coating, Protect-A-Boots provide spark plug boot and wire protection from extreme under hood heat.Material Safety Data Sheet
MPN: 10502
DEI Reflect-A-Cool 24in x 24in Sheet
REGULAR STOCK
SALE

DEI Reflect-A-Cool 24in x 24in Sheet

MPN: 10462
DEI
$21.44
$31.21

DEI Reflect-A-Cool 24in x 24in Sheet

Reflect-A-Cool, constructed of fiberglass material backed with a layer of aluminized reflective foil to handle direct continuous temperature of 400°F has many uses such as covering firewalls, marine engine compartments, RVs, in the tub of a racecar where typical mechanical fasteners cannot be used and has many industrial uses.Material Safety..
MPN: 10462
DEI Reflect-A-Cool 12in x 24in Sheet
REGULAR STOCK
SALE

DEI Reflect-A-Cool 12in x 24in Sheet

MPN: 10461
DEI
$17.40
$25.31

DEI Reflect-A-Cool 12in x 24in Sheet

Reflect-A-Cool, constructed of fiberglass material backed with a layer of aluminized reflective foil to handle direct continuous temperature of 400°F has many uses such as covering firewalls, marine engine compartments, RVs, in the tub of a racecar where typical mechanical fasteners cannot be used and has many industrial uses.Material Safety..
MPN: 10461
DEI Reflect-A-Cool 3ft x 4ft Sheet
REGULAR STOCK
SALE

DEI Reflect-A-Cool 3ft x 4ft Sheet

MPN: 10412
DEI
$60.94
$88.68

DEI Reflect-A-Cool 3ft x 4ft Sheet

Reflect-A-Cool, constructed of fiberglass material backed with a layer of aluminized reflective foil to handle direct continuous temperature of 400°F has many uses such as covering firewalls, marine engine compartments, RVs, in the tub of a racecar where typical mechanical fasteners cannot be used and has many industrial uses.Material Safety..
MPN: 10412
DEI Reflect-A-GOLD 2in x 30ft Tape Roll
REGULAR STOCK
SALE

DEI Reflect-A-GOLD 2in x 30ft Tape Roll

MPN: 10397
DEI
$70.38
$102.41

DEI Reflect-A-GOLD 2in x 30ft Tape Roll

Reflect-A-GOLD is a metalized polyamide polymer laminated glass cloth with a high temperature pressure sensitive adhesive for use in extreme temperature swing environments. It is lightweight and easy to apply and remove.Material Safety Data Sheet
MPN: 10397
DEI Reflect-A-GOLD 2in x 15ft Tape Roll
REGULAR STOCK
SALE

DEI Reflect-A-GOLD 2in x 15ft Tape Roll

MPN: 10396
DEI
$37.54
$54.64

DEI Reflect-A-GOLD 2in x 15ft Tape Roll

Reflect-A-GOLD is a metalized polyamide polymer laminated glass cloth with a high temperature pressure sensitive adhesive for use in extreme temperature swing environments. It is lightweight and easy to apply and remove.Material Safety Data Sheet
MPN: 10396
DEI Reflect-A-GOLD 1-1/2in x 30ft Tape Roll
REGULAR STOCK
SALE

DEI Reflect-A-GOLD 1-1/2in x 30ft Tape Roll

MPN: 10395
DEI
$53.97
$78.54

DEI Reflect-A-GOLD 1-1/2in x 30ft Tape Roll

Reflect-A-GOLD is a metalized polyamide polymer laminated glass cloth with a high temperature pressure sensitive adhesive for use in extreme temperature swing environments. It is lightweight and easy to apply and remove.Material Safety Data Sheet
MPN: 10395
DEI Reflect-A-GOLD 1-1/2in x 15ft Tape Roll
REGULAR STOCK
SALE

DEI Reflect-A-GOLD 1-1/2in x 15ft Tape Roll

MPN: 10394
DEI
$29.32
$42.67

DEI Reflect-A-GOLD 1-1/2in x 15ft Tape Roll

Reflect-A-GOLD is a metalized polyamide polymer laminated glass cloth with a high temperature pressure sensitive adhesive for use in extreme temperature swing environments. It is lightweight and easy to apply and remove.Material Safety Data Sheet
MPN: 10394
DEI Reflect-A-GOLD 24in x 24in Sheet
REGULAR STOCK
SALE

DEI Reflect-A-GOLD 24in x 24in Sheet

MPN: 10393
DEI
$57.25
$83.30

DEI Reflect-A-GOLD 24in x 24in Sheet

Reflect-A-GOLD is a metalized polyamide polymer laminated glass cloth with a high temperature pressure sensitive adhesive for use in extreme temperature swing environments. It is lightweight and easy to apply and remove.Material Safety Data Sheet
MPN: 10393
DEI Reflect-A-GOLD 12in x 24in Sheet
REGULAR STOCK
SALE

DEI Reflect-A-GOLD 12in x 24in Sheet

MPN: 10392
DEI
$30.08
$43.77

DEI Reflect-A-GOLD 12in x 24in Sheet

Reflect-A-GOLD is a metalized polyamide polymer laminated glass cloth with a high temperature pressure sensitive adhesive for use in extreme temperature swing environments. It is lightweight and easy to apply and remove.Material Safety Data Sheet
MPN: 10392
DEI Reflect-A-GOLD 12in x 12in Sheet
SALE
SOLD OUT

DEI Reflect-A-GOLD 12in x 12in Sheet

MPN: 10391
DEI
$15.55
$22.54

DEI Reflect-A-GOLD 12in x 12in Sheet

Reflect-A-GOLD is a metalized polyamide polymer laminated glass cloth with a high temperature pressure sensitive adhesive for use in extreme temperature swing environments. It is lightweight and easy to apply and remove.Material Safety Data Sheet
MPN: 10391
DEI Heat Shroud 2-1/2in x 50ft Spool - Aluminized Sleeving-Hook and Loop Edge
REGULAR STOCK
SALE
DEI
$387.61
$564.02

DEI Heat Shroud 2-1/2in x 50ft Spool - Aluminized Sleeving..

Heat Shroud is made from a high temperature rated glass fiber fabric with an aluminized outer facing. Same as Heat Sheath but with the added convenience of hook & loop closure design along the open edges. Without the need of removing one end of connected wires, cables and hoses, simply..
MPN: 93487
DEI Mazda Miata Miata Door Vibration Damping Kit
REGULAR STOCK
SALE

DEI Mazda Miata Miata Door Vibration Damping Kit

MPN: 50296
DEI
$17.55
$25.54

DEI Mazda Miata Miata Door Vibration Damping Kit

Quite your ride with our premium thermal insulating/sound absorbing under carpet kit and vibration damping material kits. Whether your padding is worn out of you just want to upgrade, our DEI Under carpet kit is made from our proven Under Carpet Lite material. At ½" thick, it's engineered multilayer construction..
MPN: 50296
DEI Oil Filter Heat Shield 3.5in x 4.5in x 4in - 3 Pack
REGULAR STOCK
SALE

DEI Oil Filter Heat Shield 3.5in x 4.5in x 4in - 3 Pack

MPN: 10740
DEI
$9.12
$13.26

DEI Oil Filter Heat Shield 3.5in x 4.5in x 4in - 3 Pack

The cargo bed on the RZR's can get pretty toasty. Especially when running under slow riding conditions. DEI now offers a great solution to help avoid cooking the contents of your bed. Our heat shield is made up of heavy-duty 10 mil aluminum with 1/8" glass mat barrier material, pre-cut..
MPN: 10740
DEI Protect-A-Boot - 6in - 2-pack - Black
REGULAR STOCK
SALE

DEI Protect-A-Boot - 6in - 2-pack - Black

MPN: 10511
DEI
$15.23
$22.17

DEI Protect-A-Boot - 6in - 2-pack - Black

Protect-A-Boots are made from a high temperature resistant glass fiber material and treated with a proprietary coating, Protect-A-Boots provide spark plug boot and wire protection from extreme under hood heat.Material Safety Data Sheet
MPN: 10511
DEI Heat Shroud 2-1/2in x 3ft - Aluminized Sleeving-Hook and Loop Edge
REGULAR STOCK
SALE
DEI
$38.02
$55.32

DEI Heat Shroud 2-1/2in x 3ft - Aluminized Sleeving-Hook a..

Heat Shroud is made from a high temperature rated glass fiber fabric with an aluminized outer facing. Same as Heat Sheath but with the added convenience of hook & loop closure design along the open edges. Without the need of removing one end of connected wires, cables and hoses, simply..
MPN: 10487
DEI Heat Shroud 3/4in I.D. x 3ft - Aluminized Sleeving - Hook and Loop Edge
REGULAR STOCK
SALE
DEI
$25.58
$37.23

DEI Heat Shroud 3/4in I.D. x 3ft - Aluminized Sleeving - H..

Heat Shroud is made from a high temperature rated glass fiber fabric with an aluminized outer facing. Same as Heat Sheath but with the added convenience of hook & loop closure design along the open edges. Without the need of removing one end of connected wires, cables and hoses, simply..
MPN: 10457
DEI Pipe Shield w/Stainless Steel Clamps - 6in x 12in - Titanium
REGULAR STOCK
SALE
DEI
$40.84
$59.43

DEI Pipe Shield w/Stainless Steel Clamps - 6in x 12in - Ti..

Extreme heat can rob power and potentially damage engines, transmissions, hoses, and sensitive electrical components. DEI, a market leader in thermal protection, has introduced a revolutionary advancement in pipe shield technology that greatly outperforms Mylar-backed glass fiber shields.Material Safety Data Sheet
MPN: 10450
225 products

DEI

225 products

Design Engineering, Inc. (DEI) is a leading manufacturer and distributor of high-quality heat and sound control products for the automotive, industrial, agricultural, powersports, and marine industries. They are renowned for their innovative designs, premium materials, and unwavering commitment to delivering exceptional performance and long-lasting durability.

DEI's diverse product range includes:

    • Heat Shields and Barriers: Protect your vehicle's critical components and interior from excessive heat with DEI's reflective heat shields and barriers. These products are designed to reflect radiant heat and reduce overall engine bay temperatures, leading to improved performance, increased efficiency, and enhanced component lifespan.

    • Sound Deadeners and Insulation: Reduce unwanted noise and vibration within your vehicle with DEI's sound deadening materials and insulation. Their products are designed to absorb and dissipate sound waves, creating a quieter and more comfortable driving experience.

    • Underhood Liners: Protect your engine bay from dirt, debris, and extreme weather conditions with DEI's underhood liners. These liners are constructed from durable materials and designed to maintain a clean engine bay, improve airflow, and prevent heat buildup.

    • Exhaust Wraps and Heat Tape: Manage exhaust heat and improve engine performance with DEI's exhaust wraps and heat tape. Their heat-resistant materials help to retain exhaust heat within the pipe, improving exhaust scavenging and providing additional protection for nearby components.

    • Air Intake Systems and Filters: Enhance your engine's performance and efficiency with DEI's high-flow air intake systems and cold air filters. These products are designed to deliver increased airflow, improve combustion, and maximize horsepower and torque.

    • Electrical Wiring Protection: Protect your vehicle's electrical wiring from heat, abrasion, and damage with DEI's heat-resistant sleeving and conduit. Their products offer superior protection and ensure the safe and reliable operation of your electrical system.

    • Specialty Products: DEI also offers a range of specialty products, including NVH (noise, vibration, and harshness) solutions, fire blankets, and heat shield adhesives, to cater to specific needs and applications.

Strengths and Reputation:

    • Unwavering Commitment to Quality: DEI prioritizes quality throughout its entire manufacturing process, utilizing premium materials, advanced engineering, and rigorous testing procedures to ensure the exceptional performance and long-lasting durability of their products.

    • Extensive Industry Expertise: With over 25 years of experience, DEI possesses in-depth knowledge and expertise in heat and sound control technology, allowing them to offer innovative and effective solutions for various applications.

    • Proven Performance: DEI's products are rigorously tested and proven to deliver significant reductions in heat and noise levels, leading to improved performance, increased efficiency, and enhanced comfort.

    • Diverse Product Portfolio: Their wide range of products caters to various vehicle types, performance goals, and budgetary needs, ensuring you can find the perfect solution for your specific requirements.

    • Customer-Centric Approach: DEI provides excellent customer support, offering technical assistance, installation guides, and a knowledgeable support team to assist you throughout your purchase and installation process.

Design Engineering, Inc. is your trusted partner for controlling heat and sound within your vehicle. Their commitment to quality, extensive industry expertise, and proven performance make them a leading choice for anyone seeking to improve their vehicle's performance, comfort, and overall driving experience.