Description
Product Overview
The HONTAYOKA Heat Shield Sleeve is a 5‑foot (1.52 m) fire‑resistant sleeve designed for automotive exhaust and under‑hood applications. Constructed from a silicone‑rubber coated fiberglass core, it tolerates temperatures from -65°F to 500°F (‑54°C to +260°C) and meets VW‑1 flammability standards. Each sleeve comes with four stainless‑steel clamps (13‑19 mm) for a secure, slip‑free fit on hoses, wiring, or fuel lines. The black silicone exterior resists abrasion, oil, and chemicals, ensuring long‑term durability.
Usage
This sleeve is ideal for protecting hydraulic, oil, and fuel lines, as well as electrical wiring, from excessive heat during engine operation or performance upgrades. Install it around vulnerable components in the engine bay, near the exhaust manifold, turbocharger, or radiator to prevent heat‑induced damage and vapor lock. DIY enthusiasts, professional mechanics, and fleet maintenance teams will find the quick‑clamp system simplifies installation and reduces downtime.

Why Choose Us
HONTAYOKA combines rigorous material testing with precision manufacturing to deliver a sleeve that outperforms generic heat wraps. The silicone coating provides superior flexibility without sacrificing heat resistance, while the fiberglass core maintains structural integrity at extreme temperatures. Our product is backed by a 4.8‑star rating from verified buyers, reflecting consistent performance and reliability.
Key Features
- Silicone‑rubber coated fiberglass resists up to 500°F for maximum heat protection.
- Four adjustable clamps (13‑19 mm) ensure a tight, vibration‑proof fit.
- Durable black exterior resists abrasion, oil, and chemicals.
- Versatile 5‑foot length fits most automotive hose and wiring bundles.
- Meets VW‑1 flammability rating for added safety compliance.
FAQ
What temperature range does the sleeve protect against?
The sleeve operates safely from -65°F (-54°C) up to 500°F (+260°C), covering typical under‑hood heat scenarios.
Can the sleeve be used on fuel lines?
Yes, the silicone‑coated fiberglass construction is compatible with fuel, oil, hydraulic, and electrical lines, providing a barrier against heat and abrasion.
How are the clamps installed?
Slide each clamp over the sleeve, position it over the target hose or wire bundle, and tighten using a screwdriver or nut driver until snug. The clamps accommodate diameters from 13 mm to 19 mm.
Is this product suitable for high‑performance vehicles?
Absolutely. Its high‑temperature rating and robust construction make it ideal for turbocharged, supercharged, or race‑prepared engines where heat management is critical.
What warranty does HONTAYOKA offer?
HONTAYOKA provides a one‑year limited warranty covering material defects, ensuring peace of mind for both professional and DIY users.




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