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Sierra 18-7632-1 Marine Idle Air Control Motor for MerCruiser MPI Engines

Manufacturer

Picture for manufacturer Sierra

Part Number

18-7632-1
9 reviews
Sale Price

$116.02

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-7632-1 Idle Air Control Motor is a high-quality aftermarket replacement designed for MerCruiser MPI marine engines. This actuator valve precisely regulates bypass airflow around the throttle body to maintain smooth, stable idle speeds under varying engine load conditions — a critical function for reliable on-water performance.

Key Features:

  • Direct replacement for MerCruiser MCM 3.0L MPI, V-6, and V-8 (305, 350, and 496 CID) MPI engines equipped with ECM 555
  • Engineered to meet or exceed OEM specifications for fit, form, and function
  • Built to withstand the demanding conditions of the marine environment
  • Covered by Sierra's industry-leading limited lifetime customer satisfaction warranty
  • Kit includes: Idle Air Control Motor, gasket, and 4-wire connector

Replaces OEM Part Numbers:

  • MerCruiser: 805224A1
  • Crusader: 47033
  • Mallory: 9-33401
  • Sierra: 18-7632

Sierra International is a trusted leader in aftermarket marine engine parts, supplying OEM engine manufacturers and boat builders with quality components every day. The Sierra 18-7632-1 is a dependable, cost-effective solution for restoring proper idle control to your MPI-equipped MerCruiser engine.

Parts came on time, as advertised, and at a good price. Well done!

So far, so good

Best price found. Prompt shipment

Simple easy to order.

So far good. Just need items to ship quickly!

Vera good options

quick and easy

Nice

Product was exactly as described; ordering was easy; item shipped quickly with correspondence throughout the process to ensure speedy and informed arrival. Autoplicity was one of the only online providers of the Bushwacker fender flare installation kit I ordered. I would definitely do business with Autoplicity again! Great store!

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