Intake Filter Screen for Johnson Pump and Livewell Aerator – Fits Ranger, Skeeter & Fishing Boats
This intake filter screen is designed for compatibility with Johnson Pump 77125 aerator systems commonly found on Ranger, Skeeter, and other fishing boats. It effectively prevents debris and weeds from clogging drains and aerator pumps, ensuring your livewell system operates efficiently.
This part is a direct replacement for Johnson/OMC part numbers 7100118 and 77125.
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Installation: Simple external twist-on installation for livewell pumps.
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Material: Constructed from durable marine-grade Nylon PA66 plastic.
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Package Includes: Two (2) intake filter screens.
Compatible Equipment Models
Confirm your engine model/year in the table below. For Johnson/Evinrude owners, here’s a guide to help you identify your engine’s serial/model: Johnson/Evinrude Serial Number Guide.
| Brand |
Model |
Type |
Application |
Notes |
| Johnson Pump |
77125 |
Aerator |
Livewell systems |
Direct OEM application |
| Ranger |
Various |
Fishing Boats |
Livewell systems |
Compatible with factory-installed Johnson pumps |
| Skeeter |
Various |
Fishing Boats |
Livewell systems |
Compatible with factory-installed Johnson pumps |
Technical Specifications
| Specification |
Value |
| Product Type |
Intake Filter Screen |
| Installation |
External twist-on filter for livewell pumps |
| Fuel Type |
N/A - Water filtration |
| Connection |
Twist-lock mechanism |
| Housing Material |
Marine-grade Nylon PA66 Plastic |
| Housing Color |
Black |
| Dimensions |
70.6 × 70.6 × 27.4 mm (2.78 × 2.78 × 1.08 inches) |
| Weight |
22.7 g (0.8 ounces) |
| Fitting Type |
Two-piece filter design |
| Warranty |
90 Day (varies by retailer) |
| Other Technical Attributes |
Prevents debris and weeds from clogging drains and aerator pumps |
Package Contents
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2 x Intake Filter Screen (Replaces 7100118 / 77125)
Installation Guide
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Safety First: Turn off all power to the boat's livewell and aerator systems at the main switch or battery.
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Locate Pump: Access the livewell aerator pump where the intake screen is located. This is typically in the bilge area or a dedicated pump compartment.
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Remove Old Screen: The existing screen is usually a twist-on or snap-on part. Turn it counter-clockwise to unscrew or gently pry if it’s a snap-fit.
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Inspect and Clean: Before installing the new screen, clean the pump's intake area to remove any residual debris or old sealant.
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Install New Screen: Align the new filter screen with the pump's intake threads or tabs and twist it clockwise until it is securely fastened. Do not overtighten.
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Restore Power & Test: Turn the power back on and run the aerator pump. Check for proper water flow and ensure there are no leaks around the new screen.
Troubleshooting & FAQ
Q: How do I know if this filter screen will fit my boat?
A: This screen is a direct replacement for Johnson/OMC parts 7100118 and 77125. It's specifically designed for Johnson Pump 77125 aerator systems, which are commonly found on Ranger, Skeeter, and many other fishing boats. The best way to confirm is to check the part number on your existing screen or pump documentation.
Q: What is the main purpose of this intake screen?
A: Its primary job is to prevent debris, weeds, and other objects from being sucked into your livewell aerator pump. This prevents clogs and ensures your pump and livewell system function correctly to keep your catch healthy.
Q: Is this an original OEM part from Johnson?
A: This is a high-quality aftermarket part manufactured by JLM Marine. It is designed to meet or exceed the performance and fit of the original OEM component but is not an original Johnson part.
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?
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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.