Secondary Air Injection Solenoid | REIEPV0237

The Rein EPV0237 solenoid is a direct‑fit replacement for the factory engine vacuum/secondary air injection control valve found on many European vehicles like Audi and Volkswagen. Designed and manufactured to meet or exceed original equipment specifications, this precision engine solenoid regulates airflow in emissions and intake systems to help maintain optimal combustion, improve drivability, and reduce emissions. Its OE‑style construction ensures reliable performance and long service life.

• Direct OE‑Style Fit – Engineered to match factory dimensions and mounting for straightforward replacement.
• Regulates Airflow – Controls air injection or vacuum flow in emissions/intake systems for proper engine management.
• Durable Construction – Built with high‑quality materials to resist heat, vibration, and engine bay conditions.
• Improved Engine Efficiency – Supports smoother idle and operation by maintaining correct air flow during engine cycles.
• Reliable Performance – Designed to prevent leaks and warping under repeated use.