HPI Racing O-Ring 4x2x1mm (40pcs)

Overview

The HPI Racing O-Ring 4x2x1mm (40pcs) is a genuine replacement seal kit designed to keep your RC vehicle's critical assemblies leak-free and running smoothly. These precision-molded rubber O-rings provide a tight, reliable seal in shock absorbers, differentials, and other sealed components where consistent damping and lubricant retention are essential.

Supplied in a generous 40-piece pack, this set ensures you always have spares on hand for routine maintenance, shock rebuilds, and chassis repairs across multiple HPI Racing platforms.

Key Features

• Genuine HPI Racing replacement O-rings
• Precision 4mm OD x 2mm ID x 1mm cross-section
• Durable rubber compound for long-lasting sealing
• Generous 40-piece value pack
• Ideal for shocks, diffs, and sealed assemblies

Performance Benefits

• Maintains consistent shock damping by preventing oil leaks
• Keeps differential lubricant contained for smooth drivetrain operation
• Resists wear and compression set over time
• Reduces downtime with plenty of spares per pack

Usage Notes

• Lightly lubricate O-rings with shock oil or silicone grease before installation
• Inspect for nicks or deformation before reuse
• Replace as a complete set during shock or differential rebuilds

Technical Specs

• Outer Diameter: 4mm
• Inner Diameter: 2mm
• Cross Section: 1mm
• Quantity: 40 pieces
• Material: Rubber
• Manufacturer: HPI Racing

Fitment

• Compatible with HPI Racing models using 4x2x1mm O-rings
• Common in shock absorber rebuilds and differential sealing applications
• Confirm size against your vehicle's exploded parts diagram before installation

What's Included

• (40) HPI Racing 4x2x1mm O-Rings

Summary

The HPI Racing O-Ring 4x2x1mm 40-pack is an essential maintenance item for any HPI owner, delivering genuine factory-spec sealing performance and excellent value for ongoing repairs and rebuilds.