Inline Fuel Filter – Fits Mercury & Mariner 25-90HP 4-Stroke Outboards (Replaces 35-877565T1, 35-877565T)
Inline Fuel Filter – Fits Mercury & Mariner 25-90HP 4-Stroke Outboards (Replaces 35-877565T1, 35-877565T) 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
Inline Fuel Filter – Fits Mercury & Mariner 25-90HP 4-Stroke Ou...
Product Details
This Sierra 18-7714 Inline Fuel Filter – Fits Mercury & Mariner 25-90HP 4-Stroke Outboards is an essential component designed for Mercury and Mariner 4-stroke outboard engines (25-90 HP) manufactured from 1999 and newer. It ensures your engine receives clean fuel for optimal performance and longevity by filtering out harmful contaminants.
It serves as a direct replacement for Mercury Marine parts 35-877565T1 and 35-877565T, Sierra 18-7714, and Rareelectrical 600-276.
- Designed for simple inline installation.
- Approved for use with modern gasoline, including ethanol-based fuels.
- Features sonically sealed end caps and OEM-matched filter media for reliable performance.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Mercury Marine | 35-877565T1 |
| Mercury Marine | 35-877565T |
| Sierra | 18-7714 |
| Rareelectrical | 600-276 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
For Mercury models, it is critical to verify your engine's serial number against the ranges provided to ensure an exact match.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Mercury | Outboard | 25 | 4-Stroke | 1999–2006 | 35-877565T1/35-877565T | 2 Cylinder, Carbureted |
| Mercury | Outboard | 25 | 4-Stroke | 1999–2006 | 35-877565T1/35-877565T | Serial 0G760300-0T408999 |
| Mercury | Outboard | 25 | 4-Stroke | 1999–2006 | 35-877565T1/35-877565T | Serial 0P017000-0P153499 |
| Mercury | Outboard | 25 | 4-Stroke | 1999–2006 | 35-877565T1/35-877565T | Serial 0P153500-0P388282 |
| Mercury | Outboard | 25 | 4-Stroke | 1999–2006 | 35-877565T1/35-877565T | Serial 0T409000-1B344298 |
| Mercury | Outboard | 30 | 4-Stroke | 1999–2021 | 35-877565T1/35-877565T | 3 Cylinder, Carbureted |
| Mercury | Outboard | 30 | 4-Stroke | 1999–2021 | 35-877565T1/35-877565T | Serial 0G760300-0T408999 |
| Mercury | Outboard | 30 | 4-Stroke | 1999–2021 | 35-877565T1/35-877565T | Serial 0P017000-0P153499 |
| Mercury | Outboard | 30 | 4-Stroke | 1999–2021 | 35-877565T1/35-877565T | Serial 0P153500-0P400999 (Carb) |
| Mercury | Outboard | 30 | 4-Stroke | 1999–2021 | 35-877565T1/35-877565T | Serial 0T409000-1B226999 (Carb) |
| Mercury | Outboard | 40 | 4-Stroke | 1999–2002 | 35-877565T1/35-877565T | 3 & 4 Cylinder versions |
| Mercury | Outboard | 40 | 4-Stroke | 1999–2002 | 35-877565T1/35-877565T | Serial 0G760300-0T408999 |
| Mercury | Outboard | 40 | 4-Stroke | 1999–2002 | 35-877565T1/35-877565T | Serial 0P017000-0P153499 |
| Mercury | Outboard | 40 | 4-Stroke | 1999–2002 | 35-877565T1/35-877565T | Serial 0P094500-0P206999 (4 Cyl) |
| Mercury | Outboard | 40 | 4-Stroke | 1999–2002 | 35-877565T1/35-877565T | Serial 0T178500-0T598999 (4 Cyl) |
| Mercury | Outboard | 40 | 4-Stroke | 1999–2002 | 35-877565T1/35-877565T | Serial 0P153500-0P400999 (Carb, 3 Cyl) |
| Mercury | Outboard | 40 | 4-Stroke | 1999–2002 | 35-877565T1/35-877565T | Serial 0T409000-1B226999 (Carb, 3 Cyl) |
| Mercury | Outboard | 40 | 4-Stroke | 1999–2002 | 35-877565T1/35-877565T | Serial 0P401000 & Up (Carb, 3 Cyl) |
| Mercury | Outboard | 40 | 4-Stroke | 1999–2002 | 35-877565T1/35-877565T | Serial 1B227000-1B344306 (Carb, 3 Cyl) |
| Mercury | Outboard | 40 | 4-Stroke | 1999–2002 | 35-877565T1/35-877565T | Serial 1C000001-1C018825 (Carb, 3 Cyl) |
| Mercury | Outboard | 40 | 4-Stroke | 1999–2002 | 35-877565T1/35-877565T | Serial 1C018826 & Up (Carb, 3 Cyl) |
| Mercury | Outboard | 50 | 4-Stroke | 2001–2002 | 35-877565T1/35-877565T | 4 Cylinder |
| Mercury | Outboard | 50 | 4-Stroke | 2001–2002 | 35-877565T1/35-877565T | Serial 0P094500-0P206999 |
| Mercury | Outboard | 50 | 4-Stroke | 2001–2002 | 35-877565T1/35-877565T | Serial 0T178500-0T598999 |
| Mercury | Outboard | 60 | 4-Stroke | 2001–2002 | 35-877565T1/35-877565T | 4 Cylinder |
| Mercury | Outboard | 60 | 4-Stroke | 2001–2002 | 35-877565T1/35-877565T | Serial 0P094500-0P206999 |
| Mercury | Outboard | 60 | 4-Stroke | 2001–2002 | 35-877565T1/35-877565T | Serial 0T178500-0T598999 |
| Mercury | Outboard | 75 | 4-Stroke | 2000–2004 | 35-877565T1/35-877565T | 4 Cylinder |
| Mercury | Outboard | 75 | 4-Stroke | 2000–2004 | 35-877565T1/35-877565T | Serial 0G960500-0T800999 |
| Mercury | Outboard | 75 | 4-Stroke | 2000–2004 | 35-877565T1/35-877565T | Serial 0G960500-0T800999 (Bodensee) |
| Mercury | Outboard | 90 | 4-Stroke | 2000–2004 | 35-877565T1/35-877565T | 4 Cylinder |
| Mercury | Outboard | 90 | 4-Stroke | 2000–2004 | 35-877565T1/35-877565T | Serial 0G960500-0T800999 |
This filter is applicable for all Mariner 25-90 HP 4-stroke models from 1999 and newer.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Mariner | Outboard | 25-90 | 4-Stroke | 1999 & newer | 35-877565T1/35-877565T | Applicable for all models |
Technical Specs
- Product Type
- Inline Fuel Filter
- Installation
- Inline
- Fuel Type
- Gasoline (including ethanol-based fuels)
- Weight
- 0.04 lbs (0.018 kg) item weight, 0.2 lbs (0.09 kg) shipping weight
- Warranty
- Limited Lifetime (Sierra brand)
- End Cap Design
- Sonically sealed end caps
- Filter Media
- OEM matched
- Ethanol Fuel
- Approved for ethanol-based fuels
What’s in the Box
- 1 x Inline Fuel Filter (Replaces 35-877565T1/35-877565T)
Installation Notes
- Shut off the fuel supply to the engine and place a container below the filter to catch any spilled fuel.
- Note the orientation of the existing filter; an arrow on the housing indicates the direction of fuel flow.
- Carefully loosen the clamps securing the fuel lines to the old filter and remove it.
- Install the new filter, ensuring the fuel flow arrow points towards the engine.
- Securely tighten the clamps on the fuel lines.
- Prime the fuel system according to your engine's manual.
- Start the engine and carefully inspect the filter and connections for any leaks.
Troubleshooting & FAQ
How can I be sure this filter fits my specific engine model?
The most reliable way is to match your engine's serial number to the ranges listed in the compatibility table. While the filter fits a wide range of 25-90 HP Mercury and Mariner 4-stroke outboards, serial number verification ensures an exact fit, especially for carbureted models.
What is the recommended replacement interval for this fuel filter?
For optimal engine health, it is recommended to replace your inline fuel filter annually or every 100 hours of operation, whichever comes first. Consult your engine's service manual for manufacturer-specific recommendations.
What are common signs that my fuel filter needs changing?
Symptoms of a clogged or failing fuel filter include the engine sputtering or bogging down at high speeds, difficulty starting, rough idling, and a general loss of power.
Is this filter suitable for use with E10 or other ethanol-blended fuels?
Yes, this filter is specifically approved for use with modern gasoline, including fuels blended with ethanol (like E10). The materials and construction are designed to resist degradation from alcohol-based additives.
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.
Payment & Security
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