The 3 Best auxiliary heat relays (2023 reviews)

auxiliary heat relays
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Are you planning to buy auxiliary heat relays, and are you confused about the options ? You have come to the right page.

Our review process:

Our Top Picks:

Lactrical auxiliary heat Relay
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x Autohaux auxiliary heat Relay
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Cølipsø auxiliary heat Relay
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Lactrical auxiliary heat Relay

Lactrical auxiliary heat Relay
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The Cummins 5.9L 12 valve and 24 valve diesel engines do not use glow plugs during the cold startup process. It includes two relays and bracket. It is equipped with a relay that is used to activate the heater grid which is located directly between the air horn and intake manifold. The heater grid heats the incoming air during startup to ensure a quick start in cold weather.

Why We Like This:
  • More frequent crank periods before the engine fires
  • Longer crank times in cold weather
  • Air intake heater relay for diesel engines
  • Increased white smoke during cold starts

x Autohaux auxiliary heat Relay

x Autohaux auxiliary heat Relay
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The x autohaux auxiliary heat relay is capable of outshining several other relay featured in this list in overall features for the price point. When it is used to activate the heater grid which is located directly between the air horn and intake manifold, the heater grid heats the incoming air during startup to ensure a quick start in cold weather.

Why We Like This:
  • Reliable components to meet originals, match the fit and function of old relay
  • Longer crank times in cold weather
  • More frequent crank periods before the engine fires
  • Increased white smoke during cold starts

Cølipsø auxiliary heat Relay

Cølipsø auxiliary heat Relay
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If you often find yourself confused about convenient and suitable relay, cølipsø auxiliary heat relay is your solution. This Cummins diesel engine is equipped with a relay that is used to activate the heater grid which is located directly between the air horn and intake manifold. The heater grid heats the incoming air during startup to ensure a quick start in cold weather. The Cummins diesel 5.9L 12 valve and 24 valve diesel engines do not use glow plugs during the cold startup process.

Why We Like This:
  • Longer crank times in cold weather
  • More frequent crank periods before the engine fires
  • Increased white smoke during cold starts