Wheelspin Racing Genuine HPI Micro RS4 Spares & Parts

Keep your 1/18 HPI Micro RS4 in top form with our dedicated spares range. From everyday wear items to full rebuild parts, you’ll find genuine HPI replacements for belts, spur and pinion gears, diffs, suspension arms, hubs, steering parts, bearings, driveshafts, shock seals and hardware, plus bodyshell fixings and wheel/tyre sets. We also stock electronics essentials such as servos, ESCs, connectors and motor mounts compatible with the Micro platform.

Not sure which bit you need? Match the HPI part number from your manual or model’s exploded diagram, or use our filters to browse by subcategory. If you’re still unsure, our knowledgeable, friendly team are happy to help with expert advice.

Top tips: replace bearings and belts together during a rebuild, check gear mesh and tooth count when changing spur/pinion, and refresh shock oil and O-rings to restore consistent handling.

We hold large stocks for fast dispatch, with UK next-day delivery options available, so you can get back on track quickly. Whether you’re repairing crash damage or planning a preventative service, Wheelspin Models makes keeping your Micro RS4 running smooth and reliable easy. Order today or get in touch for advice.