Intake Silencer O-Ring – Fits Yamaha 2HP 60HP 70HP 75HP 80HP 85HP 90HP (Replaces 93210-46044, 18-7436)
Intake Silencer O-Ring – Fits Yamaha 2HP 60HP 70HP 75HP 80HP 85HP 90HP (Replaces 93210-46044, 18-7436) is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
Orders are typically processed within 1–2 business days.
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Intake Silencer O-Ring – Fits Yamaha 2HP 60HP 70HP 75HP 80HP 85HP 9...
Intake Silencer O-Ring – Fits Yamaha 2HP 60HP 70HP 75HP 80HP 85HP 90HP (Replaces 93210-46044, 18-7436) is backordered and will ship as soon as it is back in stock.
Product Details
This Intake Silencer O-Ring fits Yamaha 2HP, 60HP, 70HP, 75HP, 80HP, 85HP, and 90HP outboard engines across multiple years and configurations. Designed to seal the intake silencer assembly, this aftermarket O-ring ensures a reliable air-tight seal for consistent engine performance on air cleaner, bracket, intake, and lower drive assemblies.
This part directly replaces Yamaha 93210-46044-00, Sierra 18-7436, GLM 84290, and Mallory 9-76615.
- Sold as a lot of 2 O-rings
- Compatible with Yamaha 2-stroke and 4-stroke outboard engines from 1984–2009
- Designed for marine environments with fuel and moisture resistance
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Yamaha | 93210-46044-00 |
| Sierra | 18-7436 |
| GLM | 84290 |
| Mallory | 9-76615 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
| Brand | HP | Years | Assembly |
|---|---|---|---|
| Yamaha | 2 | 1984–1987, 2002 | BRACKET |
| Yamaha | 2 | 1988–2001 | BRACKET 1 |
| Yamaha | 60 | 1991, 1993 | LOWER DRIVE 1 |
| Yamaha | 70 | 1987–1989, 1991–1992 | LOWER DRIVE 1 |
| Yamaha | 75 | 1996–1999 | INTAKE |
| Yamaha | 80 | 1997 | INTAKE |
| Yamaha | 85 | 1990 | LOWER DRIVE 1 |
| Yamaha | 90 | 1984 | INTAKE 1 |
| Yamaha | 90 | 1985 | AIR CLEANER 1 |
| Yamaha | 90 | 1986–1987 | AIR CLEANER |
| Yamaha | 90 | 1988–2009 | INTAKE |
| Yamaha | 90 | 1984–1993 | LOWER DRIVE 1 |
Technical Specs
- OEM Number
- 93210-46044
- Application
- Intake Silencer Seal
- Type
- O-Ring
- Quantity per Lot
- 2
- Material
- Fuel & moisture resistant elastomer
What's in the Box
- 2 × Intake Silencer O-Rings
Installation Notes
- Turn off the engine and disconnect the battery before beginning work.
- Remove the air intake silencer cover or assembly to access the old O-ring.
- Carefully remove the old O-ring, cleaning the groove thoroughly of any debris or residue.
- Lightly lubricate the new O-ring with marine grease to ease installation and prevent tearing.
- Seat the new O-ring evenly into the groove, ensuring no twisting or pinching.
- Reinstall the silencer assembly, torquing fasteners to manufacturer specifications if available.
- Reconnect the battery and start the engine to verify a proper air-tight seal.
Troubleshooting & FAQ
How do I know if my intake silencer O-ring needs replacement?
Signs include rough idling, poor throttle response, air leaks around the intake assembly, visible cracking or flattening of the O-ring, or difficulty starting the engine. Inspect the O-ring during routine maintenance for wear or damage.
Can I reuse the old O-ring?
No. O-rings are designed for single use. Reusing a compressed or aged O-ring can result in air leaks and inconsistent engine performance.
What lubricant should I use during installation?
Use a small amount of marine-grade grease or silicone lubricant. Avoid petroleum-based products that may degrade the rubber compound over time.
Is this O-ring compatible with both 2-stroke and 4-stroke Yamaha engines?
Yes, this O-ring fits both 2-stroke and 4-stroke Yamaha outboards listed in the compatibility table. Always verify your engine model and year before ordering.
Will this fit my engine if the part number matches but the horsepower is different?
Part number match is the most reliable indicator. However, confirm the assembly type (intake, bracket, air cleaner, or lower drive) and physical dimensions match your application.
How often should I replace the intake silencer O-ring?
Replace the O-ring whenever you remove the intake silencer assembly or during scheduled maintenance intervals (typically every 100–200 hours of operation, or every 2–3 years). Inspect annually for visible wear.
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 against 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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