Aftermarket Mercury Mariner CDI Switch Box 40-125HP 332-5772A1
332-5772A1
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- 30 Day Return Policy
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Mercury / Mariner CDI Switch Box
4-Cylinder 2-Stroke | Replaces 332-5772A1
This aftermarket CDI switch box provides ignition control for selected Mercury and Mariner four-cylinder two-stroke outboards. It replaces several 332-5772-series modules and is supplied as a new replacement unit for engines whose serial-number parts catalogue specifies a matching reference.
Key Features
- ✔ Aftermarket Replacement: Not a genuine Mercury component.
- ✔ Four-Cylinder Application: For selected Mercury/Mariner two-stroke outboards.
- ✔ OE-Style Connections: Designed to connect in place of compatible 332-5772 modules.
- ✔ Ignition Control: Controls switching for the engine ignition system.
Technical Specs
| SKU / MPN | 332-5772A1 |
| Part Type | CDI Switch Box |
| Engine Type | 2-Stroke |
| Cylinder Count | 4 |
| Power Range | Selected 40-125HP |
| Supply Type | Aftermarket |
Compatibility / Fitment Guide
| Make | Model/Application | Notes |
|---|---|---|
| Mercury / Mariner | Selected 40, 45 and 50HP 4-cylinder | Verify serial number and original CDI reference. |
| Mercury / Mariner | Selected 75, 80 and 85HP 4-cylinder | Verify serial number and original CDI reference. |
| Mercury / Mariner | Selected 100, 115 and 125HP 4-cylinder | Verify serial number and original CDI reference. |
OEM Cross Reference
| Mercury / Mariner | 332-5772, 332-5772A1, 332-5772A2 |
| Mercury / Mariner | 332-5772A3, 332-5772A5, 332-5772A7 |
| Aftermarket References | 114-5772, 160-02103 |
Questions & Answers
Is this a genuine Mercury CDI?
No. It is an aftermarket replacement.
Will it fit every 40-125HP engine?
No. It is limited to compatible four-cylinder applications using a listed reference.
Can a CDI be returned after installation?
Electrical parts may be subject to special return conditions; diagnose the system and confirm fitment before connecting it.
What should be checked before installation?
Check battery isolation, grounds, stator, trigger and wiring condition according to the service manual.
Note: Disconnect the battery before installation. Electronic ignition faults should be diagnosed with the correct service procedure to avoid damage to the replacement module.
For the products under £150 the shipping is £6.99.
Free delivery for most items over £150.
