GM AF33, AW55-50SN Valve Body, Early Version, NO CODE

This listing is for a Re-manufactured AF33, AW55-50SN, AW55-51SN Valve Body for GM vehicles, with no letter code and a 9165 casting number(See Picture in gallery for code and casting number location). This valve body is manufactured by Aisin-Warner for various car manufacturers, their designation is AW55-50SN, AW55-51SN. This version is only compatible with GM vehicles. Please see the photos and illustrations below in our Technical Information section for useful tips and identification information.

This valve body is better than OEM, it features many upgrades to increase reliability over the standard OEM valve body.

These upgrades include: Upgraded Solenoid Modulator, Solenoid Relay, Lockup Relay, Lockup Control Valves as well as PR/boost valves. All solenoids are tested. All linear solenoids are rebuilt.

PLEASE NOTE: There is a $100.00 Refundable Core Charge that is added at checkout. Once you remove your defective valve body and return it to us, the Core Charge will be refunded to you. For detailed instructions, please read the Core Charge section on our FAQs/Glossary page.

If you need help identifying the valve body you need, we can do a VIN# lookup for your vehicle to make sure you get the right part the first time. Please see the Technical Information/Identification Guide below for information on how to properly identify the valve body your vehicle needs. If you have questions or need assistance please contact us and we will do our best to assist you.

In the above photo you can see the Pressure Tap locations on the AW55-50SN.