Standard Ignition Automatic Transmission Control Solenoid TCS221
Standard Ignition Automatic Transmission Control Solenoid TCS221 - view 2
Standard Ignition Automatic Transmission Control Solenoid TCS221 - view 3
Standard Ignition Automatic Transmission Control Solenoid TCS221
Standard Ignition Automatic Transmission Control Solenoid TCS221 - view 2
Standard Ignition Automatic Transmission Control Solenoid TCS221 - view 3

Standard Ignition Automatic Transmission Control Solenoid P/N:TCS221

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$151.99
MPN: TCS221
Item Package Quantity: 1
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Standard Ignition Automatic Transmission Control Solenoid P/N:TCS221
Standard Ignition Automatic Transmission Control Solenoid P/N:TCS221
$151.99

Keep your automatic transmission shifting on command with the Standard Ignition Automatic Transmission Control Solenoid (MPN TCS221). This transmission control solenoid regulates hydraulic fluid pressure inside the valve body, opening and closing to direct flow so the transmission engages the correct gear. It's a direct-fit replacement for the 2007-2010 Dodge Ram 3500, 2008-2010 Dodge Ram 4500 and 5500, and the 2011-2012 Ram 4500 and 5500 — see the Buyer's Guide tab for engine-level fitment.

  • 100% copper winding: delivers positive valve actuation on command.
  • Precision-ground pintle: moves freely to block or vent fluid pressure.
  • Matched to OE: resistance and inductance matched to OE for proper fit, form and function.
  • Stainless steel filter screen: helps prevent contamination of the valve components.

Signs the original solenoid may need replacing include harsh, delayed or erratic shifting and shift-related trouble codes. If a failed control solenoid is the cause, this unit replaces it — always diagnose the transmission before installing.

Interchange: TCS144 · 68019702AA · TCS764

This part cross-references / interchanges with the following part numbers:

TCS144, 68019702AA, TCS764

Frequently Asked Questions

What does this transmission control solenoid do?

It regulates hydraulic fluid pressure in the valve body, opening and closing to direct flow so the automatic transmission engages the correct gear on command.

Which vehicles does the TCS221 fit?

It's a direct-fit replacement for the 2007-2010 Dodge Ram 3500, 2008-2010 Dodge Ram 4500 and 5500, and the 2011-2012 Ram 4500 and 5500. See the Buyer's Guide tab for details.

What are signs this solenoid may need replacing?

Harsh, delayed or erratic shifting and shift-related trouble codes can indicate a faulty control solenoid. Diagnose the transmission first, since these symptoms have other possible causes.

What numbers does this part interchange with?

It cross-references TCS144, 68019702AA and TCS764. Match your original part number to confirm the correct replacement.

Does it include a filter screen?

Yes. It features a stainless steel filter screen that helps prevent contamination of the valve components, along with a precision-ground pintle and 100% copper winding.

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