E-Z-GOPart # 600549

E-Z-GO OEM Lock Nut M12-1.25 600549 For Golf Carts Corrosion Resistant And Vibration Proof

$21.80

Out of stock

  • Free shipping to the 48 contiguous states. No minimum.
  • Orders placed before 3 p.m. PST are processed the same day.
  • Not sure it fits? Call (503) 898-0633, Mon–Fri 7:30–4:00 PST.

About this part

Meet the E-Z-GO 600549 Lock Nut M12-1.25, an OEM-grade fastener designed for EZ-GO golf carts. Its corrosion-resistant, vibration-proof design keeps joints secure during routine maintenance and rugged drives, with a precise M12-1.25 thread for reliable replacements.

  • OEM-grade: Precision-engineered to meet the rigorous standards of golf-cart maintenance and repair, delivering dependable performance mile after mile.
  • Locking: Built-in locking mechanism resists loosening under vibration, preserving alignment in dynamic driving conditions.
  • Corrosion-Resistant: Robust metal construction withstands outdoor exposure, extending service life in rain, mud, and outdoor environments.
  • Easy-Install: Designed for straightforward installation with common hand tools and existing hardware, minimizing shop time.
  • OEM-Only: Authentic OEM part — not an aftermarket replacement — ensuring exact compatibility with EZ-GO assemblies.

The fitment data below reflects EZ-GO models that utilize M12-1.25 fasteners and commonly pair with the 600549 lock nut. This table consolidates model years and corresponding EZ-GO platforms for quick reference during parts planning.

Year Range EZ-GO Model
1996-2009 TXT
1995-2008 Shuttle 2/4/6/ST Express
1999-2004 Shuttle 950s
1999-2001 Workhorse 800
1999-2003 Workhorse 1200
2000-2008 ST 350
2000-2009 ST Sport
2003 ST Sport 2+2
2004-2009 MPT 800
2004-2008 MPT 1200
2016-2022 RXV 2+2 (48V)
2016-2022 RXV Fleet (48V)
2016-2022 Freedom RXV (48V)
2019-2020 RXV EFI
2019-2020 Express 4x4 (72V)