Tamiya Cylinder + Piston

Keep your Tamiya power unit running smoothly with this genuine Cylinder + Piston set, part number HC-7684038. Intended as a like-for-like replacement, it refreshes sealing and helps restore consistent operation in applicable Tamiya engines. Using original Tamiya spares supports long-term reliability and fitment quality.

Highlights

• Genuine Tamiya replacement part
• Part number: HC-7684038
• Cylinder and piston set for engine maintenance
• Helps restore compression and performance
• OEM fit and finish for dependable results

Helpful Notes

• Check your model’s manual or parts list to confirm HC-7684038 appears for suggested compatibility.
• Installation may require suitable tools and experience with small engine assembly.
• After fitting, re-check engine settings and running-in as appropriate.
• For best results, pair with other genuine Tamiya service parts and recommended lubricants.