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Description
Mechanical Fuel Pump – Fits Volvo Penta AQ120-AQ251 SeriesMechanical Fuel Pump Fits Volvo Penta AQ120 AQ251 Series (Replaces 841161, 18 7286) This aftermarket mechanical fuel pump is designed for a range of 4 cylinder Volvo Penta engines, including the AQ120B through AQ251A series. It provides reliable fuel delivery from the tank to the carburetor and includes a provision for the vent tube. This is a direct replacement for Volvo Penta part numbers 841161, 841161 3, 867464, and 867465, as well as aftermarket
Mechanical Fuel Pump – Fits Volvo Penta AQ120-AQ251 Series (Replaces 841161, 18-7286)
This aftermarket mechanical fuel pump is designed for a range of 4-cylinder Volvo Penta engines, including the AQ120B through AQ251A series. It provides reliable fuel delivery from the tank to the carburetor and includes a provision for the vent tube.
This is a direct replacement for Volvo Penta part numbers 841161, 841161-3, 867464, and 867465, as well as aftermarket parts Sierra 18-7286, GLM 77011, and Mallory 9-35425.
- Fuel Type: Gasoline
- Installation: Engine Block Mounted
- Included: Fuel pump and mounting gasket
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand | Part Number |
|---|---|
| Volvo Penta | 841161 |
| Volvo Penta | 841161-3 |
| Volvo Penta | 867464 |
| Volvo Penta | 867465 |
| Sierra | 18-7286 |
| GLM | 77011 |
| Mallory | 9-35425 |
Compatible Engine Models
Confirm your engine model/year in the table below.
| Brand | Model | Rated HP | Stroke | OEM Part No. |
|---|---|---|---|---|
| Volvo Penta | AQ120B | 120 | 4-Stroke | 841161 |
| Volvo Penta | AQ125A, AQ125B | 125 | 4-Stroke | 841161 |
| Volvo Penta | AQ131A, AQ131B, AQ131C, AQ131D | 131 | 4-Stroke | 841161 |
| Volvo Penta | AQ140A | 140 | 4-Stroke | 841161 |
| Volvo Penta | AQ145A, AQ145B | 145 | 4-Stroke | 841161 |
| Volvo Penta | AQ151A, AQ151B, AQ151C | 151 | 4-Stroke | 841161 |
| Volvo Penta | AQ171A, AQ171C | 171 | 4-Stroke | 841161 |
| Volvo Penta | 230A, 230B | 230 | 4-Stroke | 841161 |
| Volvo Penta | 250A, 250B | 250 | 4-Stroke | 841161 |
| Volvo Penta | 251A | 251 | 4-Stroke | 841161 |
| Volvo Penta | BB140A | 140 | 4-Stroke | 841161 |
| Volvo Penta | BB145A | 145 | 4-Stroke | 841161 |
Technical Specifications
| Specification | Value |
|---|---|
| Product Type | Mechanical Fuel Pump |
| Installation | Engine Block Mounted |
| Fuel Type | Gasoline |
| Connection | Threaded (NPT) |
| Housing Material | Metal |
| Housing Color | Silver/Chrome |
| Weight | 189g (0.42 lb) |
| Fitting Type | Threaded |
| Warranty | 1-year (Aftermarket) |
| Other Technical Attributes | Includes provision for vent tube to carburetor |
Package Contents
- 1 x Fuel Pump (841161)
- 1 x Mounting Gasket
Installation Guide
- Safety First: Disconnect the battery and ensure the engine is cool. Work in a well-ventilated area and have a fire extinguisher nearby.
- Locate Pump: Find the existing mechanical fuel pump on the engine block.
- Disconnect Lines: Place a rag under the connections to catch fuel. Carefully disconnect the inlet, outlet, and vent tube fuel lines.
- Remove Old Pump: Unbolt the old pump from the engine block and remove it along with the old gasket.
- Clean Surface: Clean the mounting surface on the engine block to ensure a good seal with the new gasket.
- Install New Pump: Place the new gasket, then install the new fuel pump. Tighten the mounting bolts to the manufacturer's specified torque.
- Reconnect Lines: Securely attach the inlet, outlet, and vent tube lines to the new pump.
- Check for Leaks: Reconnect the battery. Prime the fuel system and start the engine. Carefully inspect all connections for any signs of fuel leaks.
Troubleshooting & FAQ
Q: How do I confirm this fits my engine?
A: Check your engine model against the compatible models listed above. You can also verify by matching your existing part number with the ones in our Part Number Cross-Reference table.
Q: What are the common signs of a failing fuel pump?
A: Symptoms include difficulty starting, engine sputtering at high speeds, loss of power, or stalling. A visual inspection may also reveal fuel leaks from the pump housing.
Q: How often should I replace my mechanical fuel pump?
A: Mechanical fuel pumps do not have a fixed replacement interval, but they wear over time. Consider replacement as part of preventative maintenance if the engine is old or if you experience performance issues.
Q: OEM vs. Aftermarket?
A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.
Q: How fast do you ship and how much does it cost?
A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.
Q: What is your warranty and return policy?
A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.
Important Notes
- Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
- This product is an aftermarket replacement part and is not an OEM component.
- Professional installation is recommended to ensure safety and optimal performance.
Why Choose JLM MARINE?
- Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
- Fast Global Shipping: Free delivery worldwide in 5–15 days.
- Direct from Manufacturer: Competitive pricing without compromising quality.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy