Swing Arm Pivot Bolt Nut for Honda TRX400EX 99-08 TRX400X 09-14 90121-HN1-000

This Swing Arm Pivot Bolt & Nut is a replacement pivot bolt and nut for Honda TRX400EX (1999-2008) and TRX400X (2009-2014) ATVs, matching OEM Part# 90121-HN1-000.

Product Overview

This swing arm pivot bolt and nut secures the rear swing arm to the frame of Honda TRX400EX and TRX400X ATVs. It ensures proper suspension movement and stability, making it a critical component for off-road performance. Replacing worn pivot hardware restores safe handling.

Key Features & Performance

• High-strength steel construction for durability
• Precision threading ensures secure fit
• Corrosion-resistant finish for long life
• Direct OEM replacement – matches original specifications
• Includes both pivot bolt and lock nut

Fitment & Compatibility

• Honda TRX400EX (1999-2008)
• Honda TRX400X (2009-2014)

Common Uses

• Replacing a worn or damaged swing arm pivot bolt
• Rebuilding rear suspension after tear-down
• Restoring proper alignment and reducing play in swing arm

Technical Specifications

• Part Number(s): 90121-HN1-000
• Material: Steel

Frequently Asked Questions

Q: Is this the exact OEM replacement? A: Yes, it matches the Honda OEM part number 90121-HN1-000 for direct fit.

Q: Does this include the nut? A: Yes, the set includes both the pivot bolt and the matching lock nut.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.