Sierra 18-5854 Mercury Stator

Sierra 18-5854 Mercury Stator

Features:

Produces AC voltage to supply power to the ignition system and charge the battery

Works synchronously with the ignition and electrical systems for superior engine performance

Multi-coil windings for an efficient power supply for ignition at high and low engine RPMs

Marine-Grade Durability: Built to withstand harsh marine environments, including exposure to moisture and corrosion

Direct OEM Compatibility: Replacement for a variety of Mercury engine models, ensuring a precise fit and seamless installation

OEM matched wire colors for easy identification during installation

Reliable Construction: High-quality materials and advanced engineering ensure long-lasting, dependable performance

Note: Extra black lead goes to engine ground

For Use On Engine Models:

90 HP S/N 2791957-3780849

115 HP S/N 5314656-Up

Interchangeable With:

Mercury

398-5454A8

398-5454A17

Mallory

9-25500

CDI

174-5456

Frequently Asked Questions

• What is the Sierra 18-5854 Mercury Stator used for? The Sierra 18-5854 Mercury Stator produces AC voltage to supply power to the ignition system and charge the battery. Its multi-coil windings support power delivery for ignition at both high and low engine RPMs, while its marine-grade construction is designed for dependable use in marine environments.
• What Mercury engines does the Sierra 18-5854 Stator fit? The Sierra 18-5854 is listed for a 90 HP Mercury engine with serial numbers 2791957-3780849 and a 115 HP Mercury engine with serial numbers 5314656 and up. Verify your engine's horsepower and serial number before ordering to confirm compatibility.
• What are the features of the Sierra 18-5854 Mercury Stator? The Sierra 18-5854 features multi-coil windings, OEM-matched wire colors, and construction designed for marine environments with exposure to moisture and corrosion. It is also described as a direct OEM-compatible replacement for a variety of Mercury engine models and is engineered for dependable performance.
• What should I know about the wiring on the Sierra 18-5854 Stator? The Sierra 18-5854 uses OEM-matched wire colors to help identify connections during installation. The product description specifically notes that the extra black lead goes to engine ground. Follow the applicable engine service information for complete installation and wiring requirements.
• What Mercury, Mallory, and CDI part numbers interchange with the Sierra 18-5854? The Sierra 18-5854 is interchangeable with Mercury 398-5454A8 and 398-5454A17, Mallory 9-25500, and CDI 174-5456. Compare the existing stator and part number with these listed references before ordering to help confirm that the replacement is appropriate for your engine.
• How does the Sierra 18-5854 Stator support engine performance? The stator works synchronously with the engine's ignition and electrical systems. Its multi-coil windings are designed to provide an efficient power supply for ignition at high and low engine RPMs, while the stator also produces AC voltage for the ignition system and battery charging.