Quicksilver 864297T01 OEM Crankshaft Position Sensor Assembly for MerCruiser Marine Engines

The Quicksilver 864297T01 is a genuine OEM crankshaft position sensor (CKP sensor) assembly manufactured by Mercury Marine for MerCruiser sterndrive and inboard marine engines. This sensor monitors crankshaft speed and position, providing critical data to the engine control module (ECM) for precise ignition timing and fuel injection on electronic fuel-injected (EFI) marine powerplants.

Key Features:

• Genuine OEM Quicksilver part manufactured by Mercury Marine
• Direct factory replacement — no modifications required
• Designed for MerCruiser GM-based V8 engines including 305 CID (5.0L), 350 CID (5.7L), and 6.2L applications (1998–2010)
• Also cross-references with Volvo Penta part number 3858979
• Interchangeable with Sierra aftermarket part number 18-7556
• Ensures accurate ignition timing and reliable engine performance

Cross-Reference Part Numbers:

• Mercury/Quicksilver OEM: 864297T01, 864297001, 864297
• Volvo Penta: 3858979
• Sierra: 18-7556

Installing a genuine Quicksilver crankshaft position sensor ensures proper communication between the sensor and ECM, helping to maintain optimal engine performance, smooth starting, and reliable operation on the water.