Sierra Switch Box - SIE-18-5881-1

Sierra 18-5881 Switch Box for Mercury, Chrysler, Force

The Sierra 18-5881 Switch Box is for 4 cylinder in-line outboards with ADI ignition systems. All Sierra aftermarket parts are manufactured to meet or exceed OEM requirements.\

Features:

Enhanced Spark Efficiency: Delivers high-voltage performance for quick and reliable engine starts

Stores and rapidly discharges high-voltage to the ignition coil for a strong, reliable spark

Provides efficient and precise ignition timing for optimal engine performance

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

For Use On Engine Models Mercury Outboards:

40 (4 cyl.) C159200 - G589999

45 1476510 - 1531958

75 (4 cyl.) 6432901 & UP

80 (4 cyl.) 4831999 - 5141096

80 (4 cyl.) 5141097 - 6432900

80 Jet D283222 - 6437999

85 (4 cyl.) 4366802 - 4831998

100 (4 cyl.) B209468 - 6437999

125 (4 cyl.) D283222 - G437999

Force Outboards:

1991D-95 120 E000001 - E138599

1991-92 120 L-Drive

Interchangeable With:

CDI

114-577

Chrysler/Force/US Marine

332-5772A5

Mallory

9-25104

Mercury Marine

332-5772A1

332-5772A2

332-5772A3

332-5772A5

332-5772A7

F720301

Frequently Asked Questions

• What is the Sierra 18-5881 Switch Box used for? The Sierra 18-5881 Switch Box is designed for 4-cylinder in-line outboards with ADI ignition systems. It stores and rapidly discharges high voltage to the ignition coil to support a strong spark, while providing ignition timing for the listed Mercury and Force outboard applications.
• What Mercury outboards does the Sierra 18-5881 Switch Box fit? The Sierra 18-5881 is listed for select Mercury 4-cylinder outboards, including 40, 45, 75, 80, 80 Jet, 85, 100, and 125 HP applications. The fitment includes specific serial-number ranges, so verify your engine model and serial number against the listed application before ordering.
• Does the Sierra 18-5881 Switch Box fit Force outboards? Yes. The Sierra 18-5881 is listed for Force outboard applications, including 1991-1995 120 HP models with serial numbers E000001-E138599 and 1991-1992 120 L-Drive models. Verify your specific engine information before selecting this switch box.
• What ignition system is the Sierra 18-5881 Switch Box designed for? The Sierra 18-5881 Switch Box is specified for 4-cylinder in-line outboards using ADI ignition systems. The product description also lists OEM-matched wire colors for easier identification during installation.
• What parts is the Sierra 18-5881 Switch Box interchangeable with? The Sierra 18-5881 is listed as interchangeable with CDI 114-577, Chrysler/Force/US Marine 332-5772A5, Mallory 9-25104, and several Mercury Marine numbers, including 332-5772A1, 332-5772A2, 332-5772A3, 332-5772A5, 332-5772A7, and F720301.
• What should I verify before ordering the Sierra 18-5881 Switch Box? Verify that your outboard is a 4-cylinder in-line engine with an ADI ignition system and that its model, horsepower, and serial number match the listed applications. You can also compare the existing switch box part number with the listed interchangeable numbers before ordering.