VW725 Velocity Wheel Center Cap (Serial number MCD8171YA01) Velocity Wheel Center Cap for model VW725 OEM replacement part with serial number MCD8171YA01 (see back of cap to match numbers). **Note: If the numbers do not match the cap, it will not fit your wheel! Back of cap measures 7 1/2" in diameter Chrome plastic Scroll down to Product Description for further fitting help or go to our FAQ on our store site.