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

Serpentine Belt | Sierra 18-18100

Special Price $61.65 Regular Price $77.89
SKU
SIERRA-18-18100
Brand: Sierra

Show or Hide Price

Qty In Stock: 0 ⓘ
Add to Wish List

Alternator drive belt for Mercury & Mariner DFI outboards & jet drive engines.

main product photo
Substitute Products
  1. Alternator Belt | Quicksilver 57-828507Q4 Quicksilver | QS-57-828507Q4
    Brand :Quicksilver
    Qty In Stock: 0
  • Sierra serpentine belt
  • 4 rib K4 design
  • Fits various Mercury/Mariner DFI outboard and jet drive powerheads
  • Replaces Mercury p.n. 57-828507Q4
Specifications
More Information B2C
Manufacturer Part No. 18-18100
Brand Sierra
Shipping/Dimensional Weight 3.000000
Actual Weight 0.22
Availability Out of Stock
Ships free when order qualifies Yes
Hazmat Fee No
Product Attachments

File(s)

Trustpilot

Sorry, is not an active item in our system. However, we may still be able to help you. Please email us at rajeshk@klizer.com or call us at (866)388-0390 for assistance. Please make sure to have the item number handy when you contact us.

© 2026 Marine Parts Source. All Rights Reserved.