HOLIDAY ALERT

We will be closing at 12 PM EST on Friday, April 18th, in observance of Good Friday and Easter.
Any orders placed after this time will be processed on Monday, April 21st.
Have a happy Easter weekend!

Weather Closure Alert

Due to severe weather, our White House, Tennesee location will be closed Wednesday the 19th.

All shipments from this location will resume on Thursday the 20th. Thank you for your patience!

WE WANT TO HEAR FROM YOU!

We strive to make improvements that make it easier to serve your boating needs.
We’d like to know more about you and how we can do the best job possible for you.
Please take the time to complete this brief 3-5 minute survey to help us serve you better.

FREE Ground Shipping on Orders over $100!  Exceptions apply - see details.

Toggle Nav
  • Sign In
  • Create an Account
My Cart
Search
Menu
Account
Settings
Engine Sensors

Engine Sensors

6 Items

Set Descending Direction
View as List Grid
  1. Small Image
    Idle Air Control Valve | Sierra 18-7701
    SIERRA-18-7701
    Qty In Stock: 13
    Brand: Sierra

    Sierra replacement idle air control or IAC is a direct replacement fit and used on a variety of Mercruiser engine models.

    Learn More
    MSRP: $174.10 $117.71
    Add to Wishlist
  2. Sierra 18-7632-1 Idle Air Control Motor
    Idle Air Control Motor | Sierra 18-7632-1
    SIERRA-18-7632-1
    Qty In Stock: 19
    Brand: Sierra
    Actuator valve used to control the engine's idle speed. Learn More
    MSRP: $155.85 $94.77
    Add to Wishlist
  3. Small Image
    Throttle Position Sensor | Sierra 18-7700
    SIERRA-18-7700
    Qty In Stock: 7
    Brand: Sierra
    Engine sensor that sends engine speed signal to the ECM. Learn More
    MSRP: $161.48 $98.34
    Add to Wishlist
  4. Idle Air Control Motor | Sierra 18-7697
    Idle Air Control Motor | Sierra 18-7697
    SIERRA-18-7697
    Qty In Stock: 12
    Brand: Sierra
    Actuator valve used to control the engine's idle speed. Learn More
    MSRP: $132.23 $81.34
    Add to Wishlist
  5. Small Image
    Throttle Position Sensor | Sierra 18-7630
    SIERRA-18-7630
    Qty In Stock: 0
    Brand: Sierra
    Sensor monitors the position of the throttle. Learn More
    MSRP: $88.33 $69.60
    Add to Wishlist
  6. Sierra 18-7704 Idle Air Control Motor
    Idle Air Control Motor | Sierra 18-7704
    SIERRA-18-7704
    Qty In Stock: 0
    Brand: Sierra
    Idle Air Control Motor Learn More
    MSRP: $274.08 $170.81
    Add to Wishlist

6 Items

Set Descending Direction
View as List Grid
My Wish List
Last Added Items
  1. Add to Cart
    Remove This Item
Go to Wish List
You have no items in your wish list.
© 2025 Marine Parts Source. All Rights Reserved.