Keep gear changes crisp and let the transmission's controller do its job with the Standard Ignition Automatic Transmission Control Solenoid, MPN TCS63. This electro-hydraulic solenoid regulates the flow of transmission fluid inside the valve body, responding to the vehicle's transmission controller to help manage line pressure and shift events. It drops in as a direct-fit replacement across a large list of Chevrolet and GMC trucks, vans, and SUVs — including the 1991-1999 Chevrolet C1500, 1991-2000 Chevrolet C2500, 1995-2001 Chevrolet Tahoe, 1999-2005 Chevrolet Silverado 1500, 1996-2009 Chevrolet Express 2500, 1991-1999 GMC K1500, 1992-2000 GMC Yukon (and 2005), and 2000-2005 GMC Yukon XL 2500. See the Buyer's Guide tab for the full 75-application list.
- Emission-component expertise: built by a global manufacturer of emission components with quality control maintained throughout the manufacturing process, from componentry to finished product.
- Broad coverage: part of a line offering broad sensor coverage aimed at meeting service professionals' needs.
- Direct-fit replacement: installs on the listed Chevrolet and GMC applications.
Signs the original solenoid may need replacing include harsh or erratic shifting, slipping, or a stored transmission trouble code. Diagnose the cause first; if a failed control solenoid is the source, this replaces it.
Interchange: S9820 · TKS19 · TCS532 · 24210864 · 8676530 · 8683188
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does this transmission control solenoid do?
It's an electro-hydraulic valve that controls transmission fluid flow in the valve body, responding to the vehicle's controller to help manage line pressure and shift events.
Will the TCS63 fit my vehicle?
It's a direct-fit replacement for many Chevrolet and GMC trucks, vans, and SUVs. Check your exact year, make, and model against the Buyer's Guide tab before ordering.
What are signs this solenoid may need replacing?
Harsh or erratic shifting, slipping, or a stored transmission trouble code can point to a control solenoid. Diagnose the cause first, since these symptoms have other possible sources.
What numbers does this part interchange with?
It cross-references S9820, TKS19, TCS532, 24210864, 8676530, and 8683188.
Who makes this solenoid?
It's a Standard Ignition part, MPN TCS63, built by a global manufacturer of emission components with quality control maintained throughout the manufacturing process.
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