Priming Pump Assembly – Fits Mercury Marine Outboards (Replaces 895124)
This priming pump assembly is designed for use on a range of Mercury Marine FourStroke outboard engines from 2.5 to 60 HP. It serves as a direct replacement to ensure proper fuel system priming.
This component is a direct replacement for Mercury Marine OEM part number 895124.
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Installation: Installs as a direct OEM-equivalent replacement.
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Compatibility: Designed for gasoline-fueled Mercury outboard engines.
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Function: Used to prime the fuel system before starting the engine.
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand |
Part Number |
| Mercury Marine |
895124 |
Compatible Engine Models
Confirm your engine model/year in the table below. For Mercury owners, here’s a guide to help you identify your engine’s serial/model: Mercury Serial Number Guide. You can also review exploded diagrams to verify part numbers: Mercury Parts Diagrams & Catalog.
| Brand |
Model |
Rated HP |
Stroke |
OEM Part No. |
Notes |
| Mercury |
FourStroke |
2.5-60 |
4-Stroke |
895124 |
For models equipped with primer bulb |
Technical Specifications
| Specification |
Value |
| Product Type |
Priming Pump Assembly |
| Installation |
Direct OEM replacement |
| Fuel Type |
Gasoline |
| Other Technical Attributes |
Used to prime fuel system on Mercury outboard engines |
Package Contents
- 1 x Priming Pump Assembly (Replaces 895124)
Installation Guide
- Ensure the engine is off and cool. Disconnect the negative battery terminal for safety.
- Locate the existing priming pump assembly. Place a rag or container underneath to catch any fuel spillage.
- Carefully disconnect the inlet and outlet fuel lines from the old pump. Note their orientation.
- Remove the mounting screws or bolts that secure the pump to the engine bracket.
- Remove the old pump assembly from the engine.
- Position the new priming pump assembly and secure it using the original mounting hardware.
- Reconnect the fuel lines to the correct ports on the new pump, ensuring all connections are tight to prevent leaks.
- Squeeze the primer bulb repeatedly until it becomes firm, which indicates the fuel system is primed.
- Check thoroughly for any signs of fuel leaks around the pump and its connections.
- Reconnect the battery, start the engine, and let it run while checking again for leaks and ensuring smooth operation.
Troubleshooting & FAQ
How do I confirm this fits my engine?
This priming pump fits Mercury FourStroke outboards from 2.5 to 60 HP that use an external primer bulb system. The most reliable method is to confirm the required part number for your specific engine model and serial number is 895124. You can use the Mercury Parts Catalog linked above to verify.
What are the signs of a faulty priming pump?
Common symptoms include difficulty starting the engine (especially when cold), the engine stalling or running rough, a visible crack or leak in the pump body, or a primer bulb that will not become firm when squeezed.
Is this an OEM part?
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.
How fast do you ship and how much does it cost?
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.
What is your warranty and return policy?
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?
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Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
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Fast Global Shipping: Free delivery worldwide in 5–15 days.
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Direct from Manufacturer: Competitive pricing without compromising quality.