SKP SK917781 Engine Crankshaft Position Sensor

Engine Crankshaft Position Sensor Overview

The SKP SK917781 engine crankshaft position sensor is a direct-fit replacement for a wide range of Ford, Lincoln, and Mercury applications. It is used to monitor crankshaft position and engine speed so the engine control system can manage ignition timing and fuel delivery accurately.

Key Features

• Direct replacement crankshaft position sensor for broad Ford, Lincoln, and Mercury coverage
• Supports precise crankshaft position and engine speed signal input
• Fits many long-tail applications, including Ford F-150 crankshaft position sensor replacement and Lincoln Town Car sensor replacement
• Cross-references Standard Ignition PC319 for the same application
• SKP part number SK917781 for catalog and service lookup

Detailed Description

SKP SK917781 is an engine crankshaft position sensor for vehicles that rely on a stable crank signal for proper engine management. This part is listed for numerous Ford Mustang, Ford Expedition, Ford Explorer, and Lincoln Navigator applications, along with many trucks, vans, and full-size sedans. If you are replacing a failing crank sensor on a Ford F-250 Super Duty, Mercury Grand Marquis, or Lincoln Town Car, this part number provides a fitment-focused replacement option.

The SK917781 is also a practical choice for service work on older Ford modular and pushrod platforms where crankshaft signal loss can trigger drivability complaints. Use the vehicle-specific fitment list to confirm the exact model year before ordering.

Common Problems This Part Can Address

• Hard starting or extended cranking
• Intermittent stalling or sudden engine shutdown
• Crankshaft signal-related misfire or rough running
• No-start conditions caused by a missing engine speed signal
• Check engine light concerns tied to crank sensor faults

Installation Notes and Tips

Confirm the exact year, make, and model against the fitment table before installation. Inspect the connector, wiring, and nearby harness routing during replacement, since damaged wiring can mimic sensor failure. Clear diagnostic trouble codes after installation and verify that the engine starts and runs normally.

Quality Assurance

SKP replacement parts are cataloged for service applications across multiple domestic platforms. This part cross-references Standard Ignition PC319 for the same application. Part number SK917781 should be matched to the vehicle fitment data before installation.