Keep watch over automatic transmission fluid pressure with this Dorman switch, the OE Solutions Automatic Transmission Oil Pressure Switch 926-429, engineered to help monitor fluid pressure in the transmission case. It fits many vehicles, among them the 2010-2018 Chevrolet Silverado 2500, 2001-2019 Chevrolet Silverado 2500 HD and 2007-2019 Chevrolet Silverado 3500 HD, and it installs as a direct-fit replacement for the listed applications. See the "Vehicles it fits" section for the full list of Chevrolet and GMC models and engine details.
- Original-style design: Built to mirror the appearance and function of the original switch.
- Direct replacement: Engineered to install and perform like the factory switch on the listed applications.
- Replacement for a failed switch: Intended to replace a switch that has failed from heat or fatigue. If a failed pressure switch is the cause of improper transmission timing or operation, this unit replaces it.
- Quality construction: Made from quality components and materials for reliable performance.
- Expert support: Backed by a team of product experts in the United States and more than a century of automotive experience.
Signs this part may need replacing: harsh, delayed or erratic shifting, an illuminated warning light, or fluid seeping at the switch. These symptoms can have other causes, so diagnose the transmission before replacing the switch.
Interchange: S4709 · OP7709 · 24043704 · 24293418 · 29542585 · 29546972 · PS714 · 5S8221
This part cross-references / interchanges with the following part numbers:
S4709, OP7709, 24043704, 24293418, 29542585, 29546972, PS714, 5S8221
Frequently Asked Questions
What does the Dorman 926-429 switch do?
It is designed to help monitor fluid pressure in the automatic transmission case on the listed applications, and it is built to match the appearance and function of the original switch.
Will this switch fit my 2001-2019 Chevrolet Silverado 2500 HD?
It is listed for the 2001-2019 Chevrolet Silverado 2500 HD, the 2010-2018 Chevrolet Silverado 2500 and the 2007-2019 Chevrolet Silverado 3500 HD. Check the "Vehicles it fits" section to confirm your truck.
What are signs this transmission pressure switch may need replacing?
Harsh or erratic shifting, a warning light or fluid seeping at the switch can occur. These symptoms have other possible causes, so diagnose the transmission before replacing it.
Why do transmission oil pressure switches fail?
Dorman designed this unit to replace an original switch that has failed from heat or fatigue.
How is the 926-429 switch installed?
Follow the vehicle service information for the removal and installation procedure, and check the transmission fluid level as that procedure directs.
