Please note that the new pricing is in effect for CDI products, though the site hasn't been updated yet. Some prices have gone up, but not all.
Mercury & Mariner 40 HP Ignition Parts
Save on stators, switch boxes, triggers, rectifiers, voltage regulators and internal wiring harnesses for Mercury and Mariner 40 HP outboards. Parts manufactured by CDI Electronics meet or exceed OEM specifications.
Please scroll down to the bottom for ordering tips and other important info.
Our prices include shipping in the continental US.
| HP | Model | Year | Cyls | Serial | Switch Box | Stator | Trigger | Rectifier | Harness |
|---|---|---|---|---|---|---|---|---|---|
| 40 | 400, Electric Start | 1970-1971 | 2 | 2874704-3336237 | R332-4172 $189.00 |
174-4424 $165.00 |
N/A | 154-6770 $46.00 |
414-2770 $129.00 |
| 40 | 400, Manual Start | 1970-1971 | 2 | 2874704-3336237 | R332-4172 $189.00 |
174-4424 $165.00 |
N/A | N/A | N/A |
| 40 | 402, Electric Start | 1972-1974 | 2 | 3336258-3859434 | R338-4733 | 174-5255 $175.00 |
R338-4731A6* | 154-6770 $46.00 |
414-2770 $129.00 |
| 40 | 402, Manual Start | 1972-1974 | 2 | 3336258-4117709 | 114-4911 $169.00 |
174-5255 $175.00 |
R338-4731A6* | N/A | N/A |
| 40 | 402, Electric Start | 1975-1977 | 2 | 4117710-4860102 | 114-4911 $169.00 |
174-5255 $175.00 |
R338-4731A6* | 154-6770 $46.00 |
414-2770 $129.00 |
| 40 | Manual Start | 1975-1981 | 2 | 4117710-5823917 | 114-4911 $169.00 |
174-5255 $175.00 |
R338-4731A6* | N/A | N/A |
| 40 | Electric Start | 1978-1981 | 2 | 4860103-5823917 | 114-4911 $169.00 |
174-5255 $175.00 |
R338-4731A6* | 154-6770 $46.00 |
414-2770 $129.00 |
| 40 | Electric Start | 1981-1984 | 2 | 5823918-6052942 | 114-7452A3 $125.00 |
174-6617K1 $129.00 |
R92431A1* $72.00 |
154-6770 $46.00 |
R84-93948A1* |
| HP | Model | Year | Cyls | Serial | Switch Box | Stator | Trigger | Rectifier | Harness |
| 40 | Electric Start | 1981-1984 | 2 | 6052943-6999999 | 114-7452A3 $125.00 |
174-6617K1 $129.00 |
R92431A1* $72.00 |
154-6770 $46.00 |
414-6219A 2 |
| 40 | Manual Start | 1981-1984 | 2 | 5823918-6999999 | 114-7452A3 $125.00 |
174-6617K1 $129.00 |
R92431A1* $72.00 |
N/A | N/A |
| 40 | Electric Start | 1989-1991 | 4 | C159200-D055047 | 114-5772 $189.00 |
174-5454K1 $149.00 |
134-6452 $82.00 |
154-6770 $46.00 |
414-8672A 8 |
| 40 | Manual Start | 1989-1991 | 4 | C159200-D055047 | 114-5772 $189.00 |
174-5454K1 $149.00 |
134-6452 $82.00 |
N/A | N/A |
| 40 | Electric Start | 1991-1996 | 4 | D055048-G291031 | 114-5772 $189.00 |
174-9710K1 $205.00 |
134-6452 $82.00 |
194-5279 $129.00 |
414-8672A 8 |
| 40 | - | 1997-1999 | 3 | G531301-G760299 | 114-7509 $65.00 |
R398-832074A5* | N/A | N/A | N/A |
| 40 | Electric Start | 1997-1999 | 3 | G531301-G760299 | 114-7509 $65.00 |
174-2075K1 $179.00 |
134-4512-3 $68.00 |
194-5279 $129.00 |
414-0220A 2 |
| 40 | Jet | 1989-1997 | 4 | C159200-G589999 | 114-5772 $189.00 |
174-5454K1 $149.00 |
134-6452 $82.00 |
154-6770 $46.00 |
414-8672A 8 |
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Important Info
Always include your engine serial number when ordering. The application chart is a general guide, but the serial number is the only way to be 100% sure the correct part is ordered. It's also a good idea to include the OEM part number from your old part.
Ignition/electrical parts cannot be returned or exchanged, so it's important to be sure you're ordering the correct part.
Warranty
CDI Electronics warranty info.
Additional Parts Info
Battery CD Ignition: Switch box part numbers 114-2986 and 114-4796 both come with new ignition coils, so there's no need to order them separately.
114-2986K1: This kit replaces NLA parts on certain motors. Kit includes 114-2986 switch box, R393-3736 Trigger, 4 cylinder trigger wheel, spacer, and bearings. Shaft and rotor are not included.
194-8736K1: Dual regulator kit replaces unreliable water-cooled voltage regulators. Requires stator with 4 yellow wires (174-9610K2). Kit includes an adaptor plate, mounting gasket and two 194-5279 voltage regulators.
174-8778K1 & 174-9710K1 Stators: These stators are identical except for the battery charging output. Without a voltage regulator, you must use 174-8778K1 (9 amp). If you have a regulator with "5279" in the part number, you can use 174-9710K1 instead.