Inlet Needle and Seat Kit – Fits Mercury/Mariner Outboards & MerCruiser (Replaces 1395-811690-1)
Inlet Needle and Seat Kit – Fits Mercury/Mariner Outboards & MerCruiser (Replaces 1395-811690-1) is backordered and will ship as soon as it is back in stock.
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Worry-free returns
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Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Inlet Needle and Seat Kit – Fits Mercury/Mariner Outboards & Me...
Product Details
This Inlet Needle and Seat Kit is a direct-fit replacement for various Mercury/Mariner Outboards and MerCruiser Sport Jet models, specifically designed for 2-stroke engines from 105 HP to 225 HP manufactured between 1990 and 1995. It serves as a crucial component for regulating fuel flow within the carburetor float valve assembly.
It directly cross-references with multiple OEM and aftermarket parts, including Mercury/Quicksilver 1395-811690-1, Mercury 810749, Sierra 18-7213, and GLM 40940, ensuring a reliable fit for specified models.
- Installation involves disassembly of the carburetor; one kit is required per carburetor.
- Engineered for use with gasoline fuel systems.
- Includes one complete inlet needle and seat assembly.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Mercury/Quicksilver | 1395-811690-1 |
| Mercury/Quicksilver | 1395-8116901 |
| Mercury | 810749 |
| Mercury | 810749-1 |
| Mercury | 810749-2 |
| Sierra | 18-7213 |
| GLM | 40940 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
Mercury/Mariner Outboards: Fitment is often determined by serial number (S/N). Please verify your engine's serial number falls within the specified ranges.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Mercury | V-105 Jet | 105 | 2-Stroke | 1994–1995 | 1395-811690-1 | For S/N OD082000-OG303045 |
| Mercury | V-135 | 135 | 2-Stroke | 1991–1995 | 1395-811690-1 | For S/N OC239553-OD081999 |
| Mercury | V-140 | 140 | 2-Stroke | 1994–1995 | 1395-811690-1 | For S/N OG082000-OG303045 |
| Mercury | V-140 (International) | 140 | 2-Stroke | 1994–1995 | 1395-811690-1 | |
| Mercury | V-150 | 150 | 2-Stroke | 1990–1995 | 1395-811690-1 | For S/N OC239553-OG303045 |
| Mariner | V-150 | 150 | 2-Stroke | 1990–1995 | 1395-811690-1 | |
| Mercury | V-175 | 175 | 2-Stroke | 1991–1995 | 1395-811690-1 | For S/N OC239553-OG303045 |
| Mariner | V-175 | 175 | 2-Stroke | 1991–1995 | 1395-811690-1 | |
| Mercury | V-200 | 200 | 2-Stroke | 1991–1995 | 1395-811690-1 | For S/N OC239553-OG303045 |
| Mercury | V-200 (2.5L) | 200 | 2-Stroke | 1991 | 1395-811690-1 | 1991 only |
| Mercury | V-225 | 225 | 2-Stroke | 1991–1995 | 1395-811690-1 | For S/N OD280813-OG303045 |
| Mercury | 225 SeaPro (3.0L Carb) | 225 | 2-Stroke | 1991–1995 | 1395-811690-1 | For S/N Up to OG303045 |
| Mariner | 225 Marathon (3.0L Carb) | 225 | 2-Stroke | 1991–1995 | 1395-811690-1 | For S/N Up to OG303045 |
Sport Jet Models:
| Brand | Model | Rated HP | Stroke | OEM Part No. | Notes |
|---|---|---|---|---|---|
| SportJet | 175XR2 Jet Drive | 175 | 2-Stroke | 1395-811690-1 | For S/N 0E151580-0E420153 |
| SportJet | 210 Carb Jet Drive | 210 | 2-Stroke | 1395-811690-1 | Both M2 and standard versions |
Carburetor Model Compatibility: This part fits the following WMH series carburetors: WMH-1, WMH-2, WMH-3, WMH-6, WMH-7, WMH-8, WMH-8A, WMH-11, WMH-12A, WMH-12B, WMH-13, WMH-13B, WMH-14, WMH-15, WMH-16, WMH-19, WMH-21, WMH-22, WMH-23, WMH-25, WMH-28, WMH-30, WMH-31, WMH-32A, WMH-33, WMH-34, WMH-39, WMH-45, WMH-46, and WMH-47.
Technical Specs
- Product Type
- Inlet Needle and Seat Assembly
- Installation
- Direct replacement, carburetor component
- Fuel Type
- Gasoline
- Connection
- Carburetor float valve assembly
- Dimensions
- 11.0" L x 9.0" W x 0.5" H
- Weight
- 0.03 lb (0.014 kg)
- Fitting Type
- Carburetor float valve
- Warranty
- Manufacturer standard warranty
- Other Technical Attributes
- Sold individually (one per carburetor)
What’s in the Box
- 1 x Inlet Needle and Seat Assembly (Replaces 1395-811690-1)
Installation Notes
- Disconnect the battery and ensure the engine is cool.
- Turn off the fuel supply and safely disconnect the fuel line from the carburetor.
- Carefully remove the carburetor(s) from the engine, noting all linkage and hose connections.
- Disassemble the carburetor on a clean workbench, starting with removing the float bowl.
- Remove the float pin, float, and old inlet needle. Unscrew and remove the old seat.
- Clean the carburetor passages thoroughly with a dedicated carburetor cleaner.
- Install the new seat and tighten it to the manufacturer's torque specification.
- Place the new needle onto the float tang and reinstall the float assembly.
- Check and adjust the float height according to your engine's service manual.
- Reassemble the carburetor and reinstall it on the engine, reconnecting all lines and linkages.
- Reconnect the battery, turn on the fuel supply, and check for leaks before starting the engine.
Troubleshooting & FAQ
How can I confirm this kit fits my specific engine?
The best way is to match your engine's model, year, and serial number against the compatibility tables provided. This part fits a wide range of Mercury, Mariner, and Sport Jet models, but serial number breaks are critical for ensuring an exact match.
What are the signs of a failing inlet needle and seat?
Common symptoms include fuel leaking from the carburetor, the engine flooding with fuel, difficulty starting, a rough idle, or stalling. These issues occur because the worn needle and seat can no longer properly shut off fuel flow into the float bowl.
Is one kit enough for my entire engine?
No, this kit is sold individually and services a single carburetor. If your engine has multiple carburetors (e.g., V-6 models), you will need to purchase one kit for each carburetor to ensure a complete and balanced repair.
Is there a difference between an "Inlet Needle and Seat" and a "Float Valve Assembly"?
These terms are often used interchangeably to describe the same component. This assembly, consisting of the needle and its corresponding seat, functions as the float valve that controls the entry of fuel into the carburetor bowl.
When should this part be replaced?
There is no fixed replacement interval. It is typically replaced during a standard carburetor rebuild, or whenever symptoms of failure (like fuel leaks or flooding) are diagnosed. It's good practice to replace it if the carburetor's age is unknown or if you are trying to resolve fuel delivery issues.
Which carburetor models does this kit fit?
This kit is compatible with a wide range of Mercury WMH-series carburetors. Please check the detailed compatibility list in the product description to confirm your specific model is included.
OEM vs. Aftermarket?
This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.
Shipping speed & cost?
We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.
Warranty & returns?
Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.
Safety & Important Info
- Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
- This is an aftermarket replacement, not an OEM component.
- Professional installation is recommended for safety and performance.
About Sea Sierra
- Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
- Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
- Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.
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