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
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Outer Diameter: 4mm
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Inner Diameter: 2mm
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Cross Section: 1mm
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Quantity: 40 pieces
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Material: Rubber
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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.
