Mercury MerCruiser Quicksilver Fuel Filter 834011133
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Mercury / Quicksilver OEM Fuel Filter — Part No. 834011133
| Part Number | 834011133 |
|---|---|
| Brand | Mercury Marine / Quicksilver |
| Product Type | Fuel Filter Element |
| Sold As | Individually |
| UPC / GTIN | 745061380301 |
| System | Fuel Delivery / Fuel System |
| Supersedes | 834011132, 834011131, 834011120 |
About This Part
The 834011133 is a genuine Mercury Marine / Quicksilver OEM fuel filter element designed to remove contaminants and debris from gasoline before it reaches the engine's fuel system. It is a direct replacement for earlier Mercury fuel filter elements and is built to factory specifications for consistent fit and filtration performance. This filter helps protect fuel pumps, carburetors, and injectors from particles and rust that can accumulate in fuel tanks and supply lines.
Compatible Applications
Used on various Mercury Marine and MerCruiser fuel systems depending on engine model, configuration, and serial number. Confirm compatibility by matching the part number in your engine's parts diagram before ordering.
- Selected Mercury Marine outboard fuel systems
- Selected MerCruiser inboard / sterndrive fuel systems
- Applications where 834011132, 834011131, or 834011120 were previously used
Service Interval
Inspect the fuel filter at every seasonal service or annually at minimum. Replace immediately if the element appears discoloured, clogged, or if fuel flow symptoms appear (hard starting, rough idle, fuel starvation at wide-open throttle). Mercury Marine recommends replacing fuel filters as part of routine annual engine maintenance.
When to Replace
- Annual scheduled maintenance
- Hard starting or rough idle linked to fuel delivery
- Visible debris or discolouration in the filter element
- Reduced power or fuel starvation at higher RPM
- After running contaminated or water-separated fuel
- When servicing carburettor or fuel injector faults
Installation Notes
- Note fuel flow direction before removing the old filter — install the replacement in the same orientation
- Inspect fuel supply hoses and clamps at the same time and replace if cracked or soft
- Check the fuel primer bulb for cracks or hardening if present
- After installation, prime the fuel system and check all connections for seepage before starting the engine
- Dispose of the old filter in accordance with local fuel and chemical waste regulations
Cross-Reference / Superseded Part Numbers
- 834011133 — current part number (this item)
- 834011132 — superseded by 834011133
- 834011131 — superseded by 834011133
- 834011120 — superseded by 834011133
Related Parts
- Mercury Quicksilver Inline Fuel Filter 879885K — EFI FourStroke & Verado outboard inline filter
- Mercury Quicksilver Under-Cowl Fuel Filter Kit 35-87946Q04 — 6–60 HP outboard fuel filter kit
- Racor S3220TUL 10-Micron Replacement Fuel Filter Element — aftermarket fuel/water separator element for MerCruiser applications
- Racor S3220SUL 2-Micron Replacement Fuel Filter Element — fine-filtration element for MerCruiser-style separators
- Racor B32013 Gasoline Fuel/Water Separator — inline fuel/water separator for outboard use
- Sierra 18-7845 Fuel/Water Separating Filter — long 21-micron fuel/water separator element
- Sierra 18-7853-1 Fuel/Water Separator Filter Bracket — mounting bracket for fuel/water separator assemblies
Parts Desk Insights
This filter is a straightforward annual maintenance item, but the most common issue we see is customers ordering an under-cowl or inline outboard filter when they actually need an inboard MerCruiser fuel filter — and vice versa. Before ordering, confirm whether your engine is an outboard or a MerCruiser inboard/sterndrive, and verify the part number in your engine's diagram. If you're unsure which filter your engine takes, the serial number is the most reliable starting point.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.