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Dei

Dei

DEI Cool Tube Extreme Cool Tube Extreme - 1/2in x 3ft - Silver

SKU: DEI10421

Heat Sleeves

DEI Cool-Tube...

Dei

Dei

DEI Cool Tube Extreme Cool Tube Extreme - 1/2in x 3ft - Silver

SKU: DEI10421

Heat Sleeves

DEI Cool-Tube...

A$98.44
BACKORDER This item will be special ordered in for you. Contact us prior to purchase if you require an ETA.

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Description

Heat Shield Sleeve

Able to reflect continuous heat up to 750°F while offering a quality profession look, Cool Tube Extreme(TM) is flexible enough to conform to tight bends and provide superior protection against extreme under hood temperatures, weather conditions and abrasions. Made from a special composite material with a spiral wire reinforcement, Cool Tube Extreme(TM) is ultra-light that can be slit lengthwise to apply to cables, wires and hoses. Trim to length Can be slit lengthwise for easy install Tough, durable with an easy to clean finish *DO NOT apply directly to exhaust components.

Additional Information

Cool Tube Extreme(TM)

Application Summary

Universal

Part Type

Exhaust Heat Shield

Data: v4.2 - Upd: 2026-11-07 20:19:44

Features

Silver

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Product Downloads

# Document Type Download
1. Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Data: v2 - Desc: v4.2 - Upd: 2026-11-07 19:49:45

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Dei, DESIGN ENGINEERING, Design Engineering Dei
StreetFX SKU dei10421
SFX Item ID 4329279
Accounting SKU dei-10421
Manufacturer SKU 10421
Manufacturer UPC 607078104212
Alternative References 10421, DEI-010421

Cool-Tube Extreme, Silver, Aluminized Fiberglass Fabric, 1/2 in. I.D. x 36 in., Each

Design Engineering's Cool Tube Extremes are designed to protect wiring, fuel lines, brake lines, and other areas from continuous heat up to an amazing 750 degrees F. Manufactured from convoluted nylon tubing and covered in an aluminized fiberglass fabric, Cool Tube Extremes combine flexibility with maximum thermal protection. Their aluminized coverings reflect heat, reduce temperatures, and are 50 percent lighter than the original Cool Tubes' coverings. Available in your choice of silver, black, or blue, DEI Cool Tube Extremes are the perfect choice to keep your wires and hoses protected.

Product Attributes
BrandDesign Engineering DEI
Manufacturer's Part Number10421
Part TypeHeat Sleeves
Product LineDEI Cool Tube Extremes
UPC607078104212
Length (in.)36.000 in.
Length (ft.)3.00 ft.
Diameter (in.)0.500 in.
Maximum Ambient Temperature (degrees F)750 degrees F
InstallationSlip-on
Heat Protection ColorSilver
QuantitySold individually.

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