Zendex 4145-3 Caster Assembly with 3 in Wheel, Injection Molded Nylon, Roller Bearing

Zendex 4145-3 Caster Assembly with 3 in Wheel, Injection Molded Nylon, Roller Bearing

• The Zendex 4145-3 is a caster assembly featuring a 3 in diameter wheel and integrated fork designed as a direct replacement caster for Zendex/GoJak dollies. It delivers smooth rolling via a roller bearing raceway and durable injection molded nylon construction, suitable for workshop dollies and vehicle dolly applications.
• Features:
  • 3 in wheel diameter - provides compact, stable rolling for dollies and equipment with limited clearance.
  • Injection molded nylon wheel - offers long wear life and resistance to common shop debris and chemicals.
  • Roller/double ball bearing raceway - reduces rolling resistance for easier maneuvering and load transfer.
  • Integrated fork assembly - ready-to-fit replacement design that installs without additional wheel or retainer assembly work.
  • Replacement fitment confirmed - designed for GoJak and Zendex dolly models to ensure correct fit and performance.
• Specifications:
  • Manufacturer: Zendex
  • Part Number: 4145-3
  • Wheel diameter: 3 in
  • Wheel material: injection molded nylon
  • Bearing type: roller bearing / double ball bearing raceway
  • Compatible systems / fitment: replacement caster for Zendex and GoJak dollies, listed compatible with GoJak models G6520, G4520, and G4107
  • Quantity: 1 caster assembly
• The 4145-3 Caster Assembly can also be referred to as 3 inch caster, replacement GoJak caster, caster assembly with fork, injection molded nylon caster, roller bearing dolly wheel.

Zendex is a supplier of replacement parts and accessories for automotive and shop handling equipment, specializing in replacement caster and dolly components used in vehicle handling and workshop tools.

Q: Is the 4145-3 a direct replacement for my GoJak dolly caster?
A: Yes. The 4145-3 is documented as a replacement caster intended for GoJak and Zendex dolly models including G6520, G4520, and G4107; confirm your dolly model number before ordering.

Q: What mounting hardware is required to install this caster?
A: The 4145-3 is sold as a single caster assembly; mounting hardware requirements vary by dolly. Inspect your dolly's axle and fastener style and use the original nuts and retainers or the OEM-recommended fasteners for your dolly model.

Q: How should I maintain the caster for longest service life?
A: Periodic inspection for debris, lubrication of the bearing race as appropriate, and replacing damaged or worn nuts and retainers will extend service life. Avoid prolonged exposure to sharp solvents that can degrade nylon.