Description
Toyota Supra MK3 A70 (86-92) Mishimoto silicone heater hose set black
The Mishimoto heater hoses Supra MK3 replace the stock rubber heater hoses of the 1986 to 1992 Toyota Supra A70. After so many years these are often hard, porous or cracked, and a leaking heater hose means coolant loss.
Mishimoto makes these hoses with a dual layer of high-grade silicone and embedded heat-resistant fibres. That provides efficient heat reduction and higher pressure tolerance than rubber, with a maximum temperature of 166 °C (330 °F). The hoses have an OEM replacement fit and come in black.
Key benefits
- Direct fit for the Supra MK3 (1986-1992)
- Rated up to 166 °C (330 °F)
- High-grade silicone with embedded heat-resistant fibres
- Higher pressure tolerance than rubber
- OEM replacement fit
- Black finish for a stock look
- Mishimoto Lifetime Warranty
Suitable for
Toyota Supra MK3 (A70)
- Toyota Supra MK3 (A70), model years 1986 to 1992
Technical specifications
- Manufacturer: Mishimoto
- Part number: MMHOSE-SUP-86HHBK
- Material: silicone, dual layer with heat-resistant fibres
- Colour: black
- Maximum temperature: 166 °C (330 °F)
- Type: heater hose set
Installation and delivery
Mishimoto rates installation as medium. The hoses go in place of the stock heater hoses. Drain the cooling system, replace the hoses, refill with the correct coolant and bleed the system carefully. Check all hose clamps after a test drive. Lead time: 4 to 7 days.
Old hoses always burst at the worst moment.
Why choose these Mishimoto heater hoses Supra MK3?
Rubber hoses more than thirty years old are a risk. These Mishimoto silicone heater hoses are more heat-resistant and stronger, fit like stock and are backed by the Mishimoto Lifetime Warranty.
Frequently asked questions
Which Supra do the Mishimoto heater hoses Supra MK3 fit?
According to Mishimoto, the Mishimoto heater hoses Supra MK3 fit the 1986 to 1992 Toyota Supra.
What temperature can the hoses handle?
Up to 166 °C (330 °F).
Are the radiator hoses included?
No, this is the heater hose set. The radiator hoses are a separate Mishimoto kit.
What is the lead time?
The lead time is 4 to 7 days.
Delivery outside the European Union: different shipping costs may apply. Don’t worry: we will email you as soon as possible after your order and agree the shipping with you. You are not committed to anything without your consent.







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