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Sierra 18-3713 Nylon Lock Nut 5/8-18 Thread for MerCruiser

Manufacturer

Picture for manufacturer Sierra

Part Number

18-3713
13 reviews
Sale Price

$5.81

In Stock (10+)

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The Sierra 18-3713 is a nylon-lined lock nut designed for marine applications. This precision-manufactured fastener is commonly used as a U-Joint yoke nut or lock nut for MerCruiser/Mercury applications, particularly in drive shaft assemblies for R/MR/Alpha One/Alpha One Gen II/Bravo models of MerCruiser drives.

Key Features:

  • Size: 5/8″ – 18 thread specification
  • Nylon insert provides secure locking and vibration resistance
  • High-quality construction designed to meet OEM specifications for use on Chrysler/Force/US Marine, MerCruiser Stern Drives, and Mercury Marine engines
  • Precision threading for easy installation and secure hold

OEM Cross-References:

  • Mercury Marine: 11-22339
  • MerCruiser Stern Drive: 11-36084, 11-97522, 11-22339
  • Chrysler/Force/US Marine: 11-F1920, F1881, F1348
  • Mallory: 9-78117
  • GLM: 28360

This replacement lock nut is manufactured by Sierra International to provide reliable performance and durability in demanding marine environments. The lock nut helps secure engine components, maintaining stability and preventing loosening due to vibrations.

First off, I LOVE my new shipments! These guys had everything at super low prices, and the shipping was phenomenally fast. It's all working great, and imm definitely buying from these guys again.

Easy with great prices

Best price for the item I needed. Very fast shipping and there consumer service was great on the phone.

Quick, easy, and had exactly what i needed when i needed it!

so quick & easy thank you

Easy order process, Good price

good conditon! next time hopefully sooner

Great Place to shop for Auto Parts Very Fast shipping

Received product very fast great condition packaged well would recommend to friends will definitely come back to buy. A+ company

Best prices online for a locker and pretty fast shipping too!

I ordered a throttle body spacer from them. They were the cheapest anywhere I've seen. They were very fat at response to my emails. Great place!!

Great prices on the products I want. Quick shipping.

Shopped around and Autoplicity had the best price by far on the BOV for my car. Shipping was fast, very satisfied!

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