CDI Module 114-5772 for Mercury 30-125 HP 4-Cylinder Outboard Replaces 332-5772A1 Sierra 18-5881
CDI Module 114-5772 for Mercury 30-125 HP 4-Cylinder Outboard Replaces 332-5772A1 Sierra 18-5881
Product Overview
CDI ignition module for Mercury four-cylinder in-line outboards rated 30 HP to 125 HP and built between 1976 and 1997. This is the ADI (Alternator Driven Ignition) switch box that fires the ignition coils, and it replaces Mercury 332-5772A1, A2, A3, A4, A5, A7 and F720301, plus CDI Electronics 114-5772, Sierra 18-5881 and Mallory 9-25104. A failed unit shows up as no spark on one or more cylinders, hard starting from cold, a misfire that clears once warm, or an engine that dies at idle. Supplied as 1 x switch box.
Specifications & Attributes
| Specification | Detail |
|---|---|
| Condition | New / New with tags |
| Type | CDI Module (Switch Box / Powerpack) |
| Ignition System | ADI (Alternator Driven Ignition) |
| Engine Type | Mercury 4-cylinder in-line outboard |
| Horsepower Range | 30 HP - 125 HP |
| Cylinders | 4, in-line |
| Model Years | 1976-1997 |
| Fits | Mercury and Mariner 4-cylinder outboards |
| Warranty | Standard |
OEM Cross Reference
| Brand | OEM Part Numbers |
|---|---|
| Mercury | 332-5772A1, 332-5772A2, 332-5772A3, 332-5772A4, 332-5772A5, 332-5772A7, F720301 |
| CDI Electronics | 114-5772 |
| Sierra | 18-5881 |
| Mallory | 9-25104 |
Compatible Engines
Fits Mercury and Mariner four-cylinder in-line outboards from 30 HP to 125 HP, and is listed by the manufacturer for Mercury Force four-cylinder models over the same horsepower range. Serial number ranges below are published per model year — match the range that covers your engine before ordering.
| Engine | HP | Serial Number Range | Model Years |
|---|---|---|---|
| Mercury 30 HP Jet | 30 | C159200 - OG589999 | 1989-1997 |
| Mercury 40 HP | 40 | C159200 - D055047 | 1989-1991 |
| Mercury 40 HP | 40 | D055048 - OG291031 | 1991-1996 |
| Mercury 40 HP | 40 | C159200 - G589999 | 1989-1996 |
| Mercury 40 HP Jet | 40 | C159200 - OG589999 | 1989-1997 |
| Mercury 45 HP | 45 | 5531630 - B393190 | 1981-1989 |
| Mercury 50 HP | 50 | 4357640 - 6586624 | 1976-1985 |
| Mercury 45-50 HP | 45-50 | 5531630 and higher | 1981-1989 |
| Mercury 75 HP | 75 | 6432901 and higher | 1984-1989 |
| Mercury 80 HP | 80 | 4831999 - 6432900 | 1978-1983 |
| Mercury 80 HP Jet | 80 | D283222 - 6437999 | 1994-1997 |
| Mercury 80 HP Jet | 80 | D283222 - OG437999 | 1994-1997 |
| Mercury 85 HP | 85 | 4366802 - 4831998 | 1976-1977 |
| Mercury 100 HP | 100 | B209468 - 6437999 | 1988-1996 |
| Mercury 100 HP | 100 | B209468 - OG437999 | 1988-1996 |
| Mercury 115 HP | 115 | C100000 - G437999 | 1989-1997 |
| Mercury 115 HP | 115 | C100000 - OG437999 | 1989-1997 |
| Mercury 125 HP | 125 | D283222 - G437999 | 1994-1996 |
| Mercury 125 HP | 125 | D283222 - OG437999 | 1994-1996 |
What's Included
| Component | Qty |
|---|---|
| CDI Module (Switch Box / Powerpack) | 1 |
Condition & Warranty
| Item | Detail |
|---|---|
| Condition | New / New with tags |
| Warranty | Standard |
| Packaging | Sealed retail packaging |
Before You Buy
- Verify your engine model and serial number against the ranges above before ordering
- Fits Mercury four-cylinder in-line outboards only — not for 2-cylinder or 6-cylinder engines
- For ADI (Alternator Driven Ignition) systems only — check the ignition type on your engine first
- Supplied as 1 x switch box — ignition coils, stator and trigger are not included
- 30-Day Easy Returns
- Free Worldwide Shipping
- OEM Quality Without the Markup
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Boat Owners' Review
Before You Buy
Frequently Asked Questions
What is your refund policy?
We offer a 14-day hassle-free return on all products. Items must be unused and in original packaging. Every XRmarine part is also covered by our 1-year warranty against manufacturing defects. If something is not right, email us at info@xrmarineparts.com — replacement or full refund, your choice.
See our full Refund Policy for complete details.
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See our full Shipping Policy.
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