Piston Pin Bearing

PROX Piston Pin Bearing (21.4214) is a precision engine bearing manufactured in leading Japanese OEM factories and built to exact OEM specifications. It’s designed as a direct replacement to restore correct fit and dependable operation in your engine. If you’re refreshing a worn top-end or addressing play at the piston pin, this bearing helps bring back smooth movement and reliability without unnecessary cost.

By replacing a worn piston pin bearing, you reduce friction and unwanted clearance in the piston pin area, helping your engine run more consistently and extending the life of connected components during regular service or rebuild work.

Key features:

• ✅ Japanese OEM-level manufacturing – produced by leading OEM factories for consistent quality
• ✅ OEM-spec fitment – designed to match original specifications for a direct replacement
• ✅ Cost-efficient rebuild part – ideal for maintenance and engine refreshes

Benefits of use:

• 🔹 Reliable replacement that matches OEM sizing and intended function
• 🔹 Smoother operation at the piston pin interface by replacing worn bearing surfaces
• 🔹 Smart value for routine service, rebuilds, or preventive maintenance

Technical specifications (if needed):

• 📌 Brand: PROX
• 📌 Vendor part number: 21.4214
• 📌 Product type: Bearing (Piston Pin Bearing)
• 📌 Units: Each
• 📌 Application (as listed): Upper Pushrod

Why choose this product/service?!

• ⭐ OEM-spec quality from proven Japanese manufacturing sources
• ⭐ Direct replacement design for straightforward service work
• ⭐ Great choice for dependable engine maintenance at a sensible price