This is a genuine Mopar block-off plug used to seal the oil galley passage in place of the MDS solenoids on Gen III Hemi engines — whether building an engine without the Multi-Displacement System (MDS) or deleting MDS from an existing engine. It is sold individually and carries the original Mopar part number.
- Part Number: 53032221AA (genuine Mopar part number)
- Application: Gen III Hemi engines (Mopar/Chrysler)
- Function: MDS solenoid oil galley block-off plug
- Quantity Needed: 4 per engine
- Sold: Individually
FAQ
Is this a BTR-manufactured plug or an OEM part?
Part number 53032221AA is a genuine Mopar/Chrysler part number, not a BTR-coined SKU.
What platform does this plug fit?
It is used on Gen III Hemi engines, either in place of the MDS solenoids on engines that don't have the Multi-Displacement System (MDS) or to replace the solenoids when deleting MDS.
How many plugs come in this listing?
This listing is for one (1) individual block-off plug.
How many plugs are needed for a full engine?
Four plugs are needed per engine.

