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Delphi SS12378 Engine Crankshaft Position Sensor
| Brand | Delphi SS12378 |
|---|---|
| Color | Black |
| Terminal Type | Pin |
| Connector Quantity | 1 |
| Connector Shape | Oval |
| Mounting Hole Quantity | 1 |
| Terminal Quantity | 3 |
| Connector Gender | Male |
| Terminal Gender | Male |
| Wiring Harness Included | No |
| Mounting Bracket Included | Yes |
| Package Contents | Engine crankshaft position sensor, instruction sheet |
| Fits | Cadillac, Chevrolet, and GMC · 45 vehicles |
OE-standard testing. Calibrated for accurate readings that help reduce comebacks.
Crankshaft position sensor. Delphi sensor for precise engine timing signal input.
Mounting bracket included. Comes with an instruction sheet for easier installation.
Cross-references Standard Ignition PC1182, 12667201 and 12712848 for the same application. See all 5.
Delphi SS12378 Crankshaft Position Sensor
Delphi SS12378 is an engine crankshaft position sensor built for accurate crankshaft signal monitoring in supported GM applications. It is a black, 3-terminal sensor with a male oval connector, one mounting hole, and an included mounting bracket for a direct-fit style replacement.
Key Features
- Engine crankshaft position sensor for ignition and engine management systems
- Black housing with 1 oval male connector and 3 male terminals
- 1 mounting hole with mounting bracket included
- Wiring harness not included
- Tested and calibrated to OE standards for accurate readings
- Package contents: engine crankshaft position sensor and instruction sheet
Detailed Description
Delphi SS12378 is engineered for vehicles that rely on precise crankshaft position input to support ignition timing and engine control. Delphi validates its sensors using OE development and product testing methods, helping ensure consistent signal output and dependable operation. This part cross-references Standard Ignition PC1182 for the same application. Compatible With 2017-2024 Chevrolet Silverado 1500, 2021-2024 Chevrolet Tahoe, and 2021-2024 GMC Yukon applications, as well as 2022-2024 Chevrolet Corvette and 2021-2024 Cadillac Escalade models. The Delphi SS12378 is also listed for 2021-2024 GMC Yukon XL, 2021-2024 Cadillac Escalade ESV, 2017-2024 GMC Sierra 1500, 2022 Chevrolet Silverado 1500 LTD, and 2022 GMC Sierra 1500 Limited.
What It Helps Address
- Crankshaft position signal loss or erratic signal output
- Engine stalling related to crankshaft sensor failure
- Hard starting caused by incorrect engine speed input
- Misfire or timing-related drivability concerns
- Check engine light conditions tied to crankshaft position sensor faults
Installation Notes and Tips
Verify connector shape, terminal count, and mounting style before installation. The sensor uses a single mounting hole and includes a mounting bracket, while the wiring harness is not included. Confirm the vehicle application by year, make, and model before replacing the original sensor. Delphi SS12378 is listed for 2021-2024 Cadillac Escalade and Escalade ESV, 2022-2024 Chevrolet Corvette, 2017-2024 Chevrolet Silverado 1500, 2021-2024 Chevrolet Tahoe, 2017-2024 GMC Sierra 1500, 2021-2024 GMC Yukon and Yukon XL, plus 2022 Chevrolet Silverado 1500 LTD and 2022 GMC Sierra 1500 Limited.
Quality Assurance
Delphi sensors are developed and validated to OE standards, with calibration checks intended to support accurate readings and reduce repeat repairs. Part number SS12378 reflects Delphi’s OE-focused sensor design approach for supported GM vehicles.
| Year | Make | Model | Drive Type | Transmission | Liters | Cylinders | Notes |
|---|---|---|---|---|---|---|---|
| 2024 | Cadillac | Escalade | — | — | 6.2L | V8 | — |
| 2024 | Cadillac | Escalade ESV | — | — | 6.2L | V8 | — |
| 2024 | Chevrolet | Corvette | — | — | 6.2L | V8 | — |
| 2024 | Chevrolet | Silverado 1500 | — | — | 6.2L | V8 | — |
| 2024 | Chevrolet | Suburban | — | — | 6.2L | V8 | — |
| 2024 | Chevrolet | Tahoe | — | — | 6.2L | V8 | — |
| 2024 | GMC | Sierra 1500 | — | — | 6.2L | V8 | — |
| 2024 | GMC | Yukon | — | — | 6.2L | V8 | — |
| 2024 | GMC | Yukon XL | — | — | 6.2L | V8 | — |
| 2023 | Cadillac | Escalade | — | — | 6.2L | V8 | — |
| 2023 | Cadillac | Escalade ESV | — | — | 6.2L | V8 | — |
| 2023 | Chevrolet | Corvette | — | — | 6.2L | V8 | — |
| 2023 | Chevrolet | Silverado 1500 | — | — | 6.2L | V8 | — |
| 2023 | Chevrolet | Suburban | — | — | 6.2L | V8 | — |
| 2023 | Chevrolet | Tahoe | — | — | 6.2L | V8 | — |
| 2023 | GMC | Sierra 1500 | — | — | 6.2L | V8 | — |
| 2023 | GMC | Yukon | — | — | 6.2L | V8 | — |
| 2023 | GMC | Yukon XL | — | — | 6.2L | V8 | — |
| 2022 | Cadillac | Escalade | — | — | 6.2L | V8 | — |
| 2022 | Cadillac | Escalade ESV | — | — | 6.2L | V8 | — |
| 2022 | Chevrolet | Corvette | — | Automatic Dual Clutch | 6.2L | V8 | — |
| 2022 | Chevrolet | Silverado 1500 | — | — | 6.2L | V8 | — |
| 2022 | Chevrolet | Silverado 1500 LTD | — | — | 6.2L | V8 | — |
| 2022 | Chevrolet | Suburban | — | — | 6.2L | V8 | — |
| 2022 | Chevrolet | Tahoe | — | — | 6.2L | V8 | — |
| 2022 | GMC | Sierra 1500 | — | — | 6.2L | V8 | — |
| 2022 | GMC | Sierra 1500 Limited | — | — | 6.2L | V8 | — |
| 2022 | GMC | Yukon | — | — | 6.2L | V8 | — |
| 2022 | GMC | Yukon XL | — | — | 6.2L | V8 | — |
| 2021 | Cadillac | Escalade | — | — | 6.2L | V8 | — |
| 2021 | Cadillac | Escalade ESV | — | — | 6.2L | V8 | — |
| 2021 | Chevrolet | Silverado 1500 | 4WD | — | 6.2L | V8 | — |
| 2021 | Chevrolet | Suburban | — | — | 6.2L | V8 | — |
| 2021 | Chevrolet | Tahoe | — | — | 6.2L | V8 | — |
| 2021 | GMC | Sierra 1500 | 4WD | — | 6.2L | V8 | — |
| 2021 | GMC | Yukon | — | — | 6.2L | V8 | — |
| 2021 | GMC | Yukon XL | — | — | 6.2L | V8 | — |
| 2020 | Chevrolet | Silverado 1500 | — | — | 6.2L | V8 | — |
| 2020 | GMC | Sierra 1500 | — | — | 6.2L | V8 | — |
| 2019 | Chevrolet | Silverado 1500 | — | — | 6.2L | V8 | — |
| 2019 | GMC | Sierra 1500 | — | — | 6.2L | V8 | — |
| 2018 | Chevrolet | Silverado 1500 | — | — | 5.3L | V8 | — |
| 2018 | GMC | Sierra 1500 | — | — | 5.3L | V8 | — |
| 2017 | Chevrolet | Silverado 1500 | — | — | 5.3L | V8 | — |
| 2017 | GMC | Sierra 1500 | — | — | 5.3L | V8 | — |
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