My Account
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order

Sierra 18-3230 Gear Housing to Drive Shaft Housing Bolt for MerCruiser Stern Drives

Manufacturer

Picture for manufacturer Sierra

Part Number

18-3230
10 reviews
Sale Price

$8.07

In Stock (5)

delivery box

Usually delivered within 2 days

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-3230 is a direct OEM-replacement bolt designed for securing the gear housing to the drive shaft housing on MerCruiser stern drive units. Engineered to meet or exceed original Mercury Marine specifications, this Sierra hardware bolt delivers reliable, long-lasting performance in demanding marine environments.

Key Features:

  • Direct replacement for Mercury Quicksilver OEM part number 10-816601
  • Compatible with MerCruiser Alpha One Gen II drive shaft and gear housing assemblies
  • Meets or exceeds OEM standards for fit, form, and function
  • Cross-references: SEI Marine 98-116-77, GLM 28430
  • Sold individually; typically 4 bolts required per gear housing assembly

Sierra International is a trusted manufacturer of aftermarket marine engine hardware and replacement parts. The 18-3230 bolt is an essential fastener for gear housing service and reassembly on MerCruiser stern drive applications.

The best price and estimated delivery time!

Fast purchase and checkout

Easy enough. The shipping doesnt match google, but that's probably google. Will update based on how fast item is shipped.

I had a great experience shopping at autoplicity

thanks!

Easy

Good.

My experience with autoplicity was great. Great selection and service. Fast shipping. Will definitely use them again.

great so far

easy to find product best price around

Share icon
Return Policy
Returns are easy at Boatplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy