5000166664 Wacker 166664 NUT, LOCK, FOR 3/4 NPT

5000166664 Wacker 166664 NUT, LOCK, FOR 3/4 NPT

REPLACED BY:
5000166664 has been replaced by: 5000166664
Part number:5000166664
SKU Number:WKR-5000166664
Warranty:1 Year
Units:each

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$5.05

Wacker Neuson 5000166664 166664 NUT, LOCK, FOR 3/4 NPT Repair Part

The 5000166664 lock nut serves as a crucial replacement part for Wacker Neuson equipment, designed to provide secure fastening that helps prevent loosening under vibration and mechanical stress. Installing this lock nut safeguards the integrity of surrounding components by maintaining tight connections, thereby reducing the risk of further wear and costly repairs. This part ensures peace of mind for equipment owners looking to uphold the longevity and reliability of their machinery during demanding operations.


Constructed to endure the tough conditions faced by construction machinery, the Wacker Neuson 5000166664 lock nut offers robust performance and dependable hold. Its design is suited for maintaining secure fixtures that resist loosening over time, which is vital in protecting adjacent parts from damage caused by excessive movement or displacement. Selecting this replacement part supports ongoing equipment functionality and efficiency, minimizing downtime and maintenance expenses.

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Amy C.
21 Jan, 2026

Quality part. The 5000166664 Wacker 166664 NUT, LOCK, FOR 3/4 NPT looks and performs like the factory original.