





⚙️ Keep your transmission in check — because your ride deserves precision.
The Dorman 926-429 Transmission Pressure Switch is a direct-fit replacement part designed for select Chevrolet and GMC trucks from 2001 to 2019. Built with durable materials to withstand heat and fatigue, it ensures accurate transmission fluid pressure monitoring for optimal automatic transmission performance. Featuring a panel mount design with screw terminal connectors, this switch offers easy installation and is backed by Dorman’s extensive automotive expertise. Confirm fitment with the garage tool to guarantee compatibility and restore your vehicle’s transmission timing and operation with confidence.





| Operation Mode | Automatic |
| Contact Type | Normally Open |
| Connector Type | Screw Terminal |
| Brand | Dorman |
| Terminal | Button |
| Item dimensions L x W x H | 2.75 x 9.12 x 6 inches |
| Circuit Type | 1-way |
| Mounting Type | Panel Mount |
| Actuator Type | Button |
| Contact Material | Either 'Copper', 'Phosphor Bronze', 'Stainless Steel', 'Nickel', 'Brass', Or 'Alloy Steel' |
| International Protection Rating | IP00 |
| Number of Positions | 1 |
| Control Method | Touch |
| Connectivity Protocol | X-10 |
| Color | Blue |
| Unit Count | 1.0 Count |
| Number of Items | 1 |
| Manufacturer | Dorman Products |
| Control Type | Automatic |
| UPC | 037495934855 |
| Model | Dorman 926-429 |
| Item Weight | 9.1 ounces |
| Product Dimensions | 2.75 x 9.12 x 6 inches |
| Item model number | 926-429 |
| Exterior | Ready To Paint If Needed |
| Manufacturer Part Number | 926-429 |
| OEM Part Number | 5S8221; OP7709; PS714; S4709; 24043704; 24293418; 29542585; 29546972 |
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