Sierra 18-7212 Mercury Mariner WMC Carburettor Kit 1395-9761-1
18-7212
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Sierra 18-7212 Carburettor Repair Kit
Aftermarket Mercury / Mariner WMC Carburettors | Replaces 1395-9761-1
Sierra 18-7212 is an aftermarket carburettor repair kit for specified Mercury/Mariner WMC carburettors. It replaces Mercury 1395-9761-1 (also written 1395-97611). This is not a genuine Quicksilver kit.
Key Features
- Sierra aftermarket repair kit
- For specified Mercury / Mariner WMC carburettors
- Application range covers selected 6–25 hp engines
- Replaces Mercury 1395-9761-1
- Not supplied as genuine Mercury/Quicksilver
Technical Specs
| Sierra number | 18-7212 |
| Supply type | Aftermarket carburettor repair kit |
| Primary OEM interchange | Mercury 1395-9761-1 / 1395-97611 |
| GLM interchange | 40610 |
| Mallory interchange | 9-37304 |
| Carburettor family | Selected WMC models |
Compatibility / Fitment Guide
The Sierra application table identifies the following groups. The stamped carburettor model remains the best final check.
| 6 / 8 / 9.9 hp | Serial A197112-up with listed WMC-5/5A/5B/7/7A/17–20B/23/28/34/39/41/47/49 variants; 8/9.9 tables also include WMC-57 |
| 10 hp SeaPro / Marathon | Listed WMC-33, 33A, 40, 42, 50, 50A and 55 |
| XR-10 / MAG 10 | Listed WMC-23 and WMC-48 |
| 15 hp | Serial A197112-up with the applicable WMC list; SeaPro/Marathon applications use specified WMC-33/33A/40/42/50/50A/55 |
| Super 15 / 18 / 20 / Jet 20 / 25 hp | Serial 6443973-up with the applicable WMC-1 through WMC-56 variants in Sierra's table |
| 15XD / 25 SeaPro / Marathon | Serial 6443973-up with the listed WMC variants |
Exclusions: Not for every 6–25 hp Mercury/Mariner and not for non-WMC carburettors. Earlier serial ranges and other carburettor families use different kits.
Part Number Cross Reference
| Sierra | 18-7212 |
| Mercury / Quicksilver reference | 1395-9761-1; 1395-97611 |
| GLM | 40610 |
| Mallory | 9-37304 |
Cross-reference confirms kit family, but serial number and stamped carburettor code must also agree.
Frequently Asked Questions
Is this genuine Quicksilver?
No. It is a Sierra aftermarket repair kit.
Will it fit any Mercury 15 hp?
No. Check serial and WMC carburettor number against the application table.
Where is the carburettor model found?
It is normally stamped or marked on the carburettor body; clean the area carefully and read it before ordering.
Does one kit service multiple carburettors?
One kit services the application shown for one carburettor assembly; confirm quantity if the engine has more than one.
Carburettor service requires clean working conditions and correct float/mixture setup. Leak-test the fuel system before starting the engine.
For the products under £150 the shipping is £6.99.
Free delivery for most items over £150.
