Pre-Heater Hose | Shaar’s Cars

Transfers heat from the exhaust to the air intake to aid in cold starting.

The pre-heater hose routes warm air from the exhaust manifold to the intake system to help the engine warm up more quickly during cold starts, improving efficiency and reducing emissions.

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Typical part cost

$20–$50🔒

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Typical labor cost

$50–$150🔒

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Typically lasts

100,000–200,000 mi

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Or about

7.0–10.0 years

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DIY difficulty

3/10

⚠️ Owners Often Notice

If the Pre-Heater Hose is starting to fail, these are the signs owners most commonly report before it gets worse:

Poor cold-start performance

Increased emissions

Rough idling

Related Services

Services commonly performed on or around this part.

Replace Pre-Heater Hose

No standard interval on file

Inspect Pre-Heater Hose

No standard interval on file