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Design Engineering

Design Engineering 93403 Heat Sheath 3/4" I.D. x 50ft Aluminized Sleeving for Ultimate Hi-Temp Protection

  • Based on 1,095 reviews
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Availability: In Stock.
Fulfilled by Amazon
Arrives Wednesday, May 20
Order within 9 hours and 20 minutes
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Size: 3/4" I.D.


Style: 50ft Spool


Features

  • Keeps lines and hoses cool, flexible, and protected-resists abrasion and reflects damaging radiant heat up to 2000F.
  • Precision-engineered using 19 oz high-temperature glass fiber insulation, finished with a durable aluminum outer layer.
  • Reinforced with aramid thread for outstanding heat resistance, abrasion durability, and flame-retardant performance in high-temperature environments.
  • Quick, easy installation: simply unhook the line or hose, cut to desired length, slide on, and reattach.
  • Proudly manufactured in the USA with a focus on quality and craftsmanship.

Description

Design Engineering Heat Sheath is an aluminized sleeving sesigned to slide over wires, cables and hoses. Heat Sheath provides ultimate protection from extreme heat as well as chemical and oil spills, dirt, grease and road grime. Constructed from a high temperature fabric and bonded to an aluminized material to reflect heat. Heat Sheath is fireproof and withstands direct heat up to 500 degrees Fahrenheit.

Manufacturer: ‎Design Engineering


Brand: ‎Design Engineering


Model: ‎Heat Sheath


Item Weight: ‎2.65 pounds


Product Dimensions: ‎9 x 9 x 2.5 inches


Item model number: ‎93403


Exterior: ‎Machined


Manufacturer Part Number: ‎93403


OEM Part Number: ‎010403B50


Date First Available: June 29, 2011


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, May 20

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
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  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • Perfect fit for the 1/2" hose
Size: 1/2" I.D. Style: 3ft
Good quality time will tell how well it works.
Reviewed in the United States on September 23, 2024 by Tazshd
    • So far so good
Size: 1-1/2" I.D. Style: 3ft
Well made. Seems to do a good job so far.
Reviewed in the United States on April 28, 2024 by Allen S.
    • Fixed my vapor lock issues
Size: 1/2" I.D. Style: 3ft
I used this heat sleeve to cover metal fuel line in my classic car that was having some vapor lock issues. This along with some custom-made shields for the fuel pump seem to fix my issue. Great product and brand-name, would buy again if needed.
Reviewed in the United States on September 25, 2024 by TK17472
    • Good heat shield.
Size: 1/2" I.D. Style: 3ft
I used this on the wires that go to the starter on a 2008 Jeep Wrangler. The insulation on the wire that energizes the starter solenoid had melted even with the factory starter heat shield in place. This Jeep has a design problem because the catalytic converters are very close to the starter. This heat shield work great for this application and solved the problem. ... show more
Reviewed in the United States on September 18, 2023 by Amazon Customer
    • A+
Size: 1/2" I.D. Style: 3ft
A+
Reviewed in the United States on September 19, 2024 by RedRubicon
    • Measure OD of item to be protected before ordering!
Size: 1/2" I.D. Style: 3ft
I ordered this item to wrap the fuel line on my boat. I measure 5/16 ID and figured 1/2" wrap would quite suffice. I should have gotten 3/4 wrap. I had to split, then tie wrap around the hose. Good outcome after applying some ingenuity.
Reviewed in the United States on September 4, 2024 by Mike M
    • Great for Classics Cars
Size: 1/2" I.D. Style: 3ft
I bought this to help with a vapor lock issue on my Charger.. Not only did this completely fix the problem, but the product was simple to install and very well constructed,, i would for sure buy again without hesitation and recommend to others.
Reviewed in the United States on September 21, 2023 by Shaun Hoisington
    • it worked great
Size: 1/2" I.D. Style: 3ft
for my pick up
Reviewed in the United States on April 9, 2024 by Mario G.

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