18-3721-9 Sierra International Marine Stainless Steel Locknut - Pack of 5

100% authentic products

Guaranteed genuine quality

Secure checkout

Safe & encrypted payments

Fast shipping

Quick and reliable delivery

Hassle-free returns

Easy returns if needed

Customer First

Your satisfaction matters

Verified Sellers

Carefully selected suppliers
Home / Automotive / Replacement Parts / Blower

18-3721-9 Sierra International Marine Stainless Steel Locknut - Pack of 5

$37.57 USD

✓ No hidden fees — taxes included in the price & Free Shipping.

✓
Get 5% OFF Today
Use this coupon at checkout.
TRY5
Brand : Sierra Marine
Marine Stainless Steel Locknut by Sierra International in a pack of five.
Out of stock
Quantity :
Top Brands. Best Prices. Fast Shipping.

Discover quality parts and accessories for every adventure

Shop now before stocks run out — smart shoppers move fast!

Explore Now

Product Comparison We Made Easy For You

18-3721-9 Sierra International Marine Stainless Steel Locknut - Pack of 5
18-3721-9 Sierra International Marine Stainless Steel Locknut - Pack of 5
View Detail
Type
Blower
Title
18-3721-9 Sierra International Marine Stainless Steel Locknut - Pack of 5
Price
$37.57 USD
Vendor
Sierra Marine
Description
The 18-3721-9 Stainless Steel Lock Nut by Sierra is designed for use with MCM inner transom studs and prop nut for Mercury 39, 60 (1968 and newer, 8 spline).It is interchangeable with GLM 21170, Mallory 9-72004, 9-72004-10, Mercruiser Stern Drive 11-21298, 11-22178, 11-24648, 11-29241, 11-33962, 11-34933, 11-82671015, and Mercury Marine 11-134391, 11-22178, 11-34933, 11-46355, 11-82671015, 11-859116, 11-95702.Five lock nuts are included per package.Each product by Sierra meets or exceeds the original equipment part it replaces.

More about this item : 18-3721-9 Sierra International Marine Stainless Steel Locknut - Pack of 5

The 18-3721-9 Stainless Steel Lock Nut by Sierra is designed for use with MCM inner transom studs and prop nut for Mercury 39, 60 (1968 and newer, 8 spline).

It is interchangeable with GLM 21170, Mallory 9-72004, 9-72004-10, Mercruiser Stern Drive 11-21298, 11-22178, 11-24648, 11-29241, 11-33962, 11-34933, 11-82671015, and Mercury Marine 11-134391, 11-22178, 11-34933, 11-46355, 11-82671015, 11-859116, 11-95702.

Five lock nuts are included per package.

Each product by Sierra meets or exceeds the original equipment part it replaces.

18-3721-9 Sierra International Marine Stainless Steel Locknut - Pack of 5
Key Features
  • Thread Size: 7/16" or 11.1mm - 20
  • Material: Stainless Steel with Nylon Insert
  • Interchangeable with GLM 21170, Mallory 9-72004, 9-72004-10, Mercruiser Stern Drive 11-21298, 11-22178, 11-24648, 11-29241, 11-33962, 11-34933, 11-82671015, and Mercury Marine 11-134391, 11-22178, 11-34933, 11-46355, 11-82671015, 11-859116, 11-95702
  • Five Lock Nuts Included Per Package
  • Each Product by Sierra Meets or Exceeds the Original Equipment Part It Replaces
Technical Specifications
  • Length : 4.95 lb
  • Width : 3.95 lb
  • Height : 0.65 lb
  • Weight : 0.11 lb
Product Identifiers
  • ASIN B000LN16LI
  • UPC: 808282164577
Shipping Information
  • Ships From : United States
  • Brand : Sierra Marine

Frequently Asked Questions About : 18-3721-9 Sierra International Marine Stainless Steel Locknut - Pack of 5

01 What is the thread size of the locknut?

Thread Size: 7/16" or 11.1mm - 20

02 What material is the locknut made of?

Material: Stainless Steel with Nylon Insert

03 How many lock nuts are included in the package?

Five lock nuts are included per package.

More to Explore

Free Shipping on Every Order

Get Free Shipping on Every Order

Return within 15 days

Return your purchase easily within thirty days.

Quality Assurance

Every product tested for guaranteed premium quality.

24/5 Customer Support

Monday – Friday: 9:00 AM – 6:00 PM (EST) - Email : info@trybeepbeep.com