Inline Fuel Filter – Fits Kubota BX Series Tractors (Replaces 12581-43012, 18-1520)

Inline Fuel Filter – Fits Kubota BX Series Tractors (Replaces 12581-43012, 18-1520)

This inline diesel fuel filter serves as a direct replacement for various Kubota BX series compact tractors and related equipment. It is designed for a 5/16" (8mm) inline fuel hose connection, filtering contaminants to protect your engine's fuel system.

This part is a direct replacement for Kubota numbers 12581-43012, 12581-43010, 12691-43010, and 13351-43010. It also cross-references with Toro 108-3828, 108-3831, 18-1520, 98-7612, Sierra 18-7830, and John Deere AM876035.

• Fuel Type Compatibility: Designed for Diesel fuel systems.
• Simple Installation: Installs directly into the fuel line with barbed fittings for 5/16" ID hoses.
• Visual Inspection Window: Includes a transparent housing to easily monitor fuel flow and check for contaminants.

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.

Compatible Equipment Models

Confirm your engine model/year in the table below.

Technical Specifications

Package Contents

• 1 x Inline Fuel Filter (12581-43012/18-1520)

Explosion Diagram

Installation Guide

1. Ensure the engine is off and cool. Relieve any pressure in the fuel system according to your service manual.
2. Place a catch pan below the old filter to collect any spilled fuel.
3. Loosen the hose clamps on both sides of the existing fuel filter.
4. Gently twist and pull the fuel lines off the old filter. Note the direction of the fuel flow arrow.
5. Install the new filter, ensuring the flow arrow points in the correct direction (towards the engine).
6. Securely attach the fuel lines to the new filter and tighten the hose clamps until snug.
7. Prime the fuel system if required by your equipment's service manual.
8. Start the engine and carefully check for any leaks around the new filter and its connections.

Troubleshooting & FAQ

Q: How do I know if this filter fits my tractor?
A: This filter is designed for a 5/16" (8mm) inline fuel hose connection. Please check the compatibility tables on this page for your specific Kubota, Toro, or John Deere model. Verifying the OEM part number (e.g., Kubota 12581-43012) against our cross-reference table is the best way to ensure a match.

Q: What are the signs my fuel filter needs replacing?
A: Common symptoms include engine sputtering, loss of power, difficulty starting, or stalling. You may also see debris or water in the filter's transparent viewing window, which is a clear indicator that a replacement is needed.

Q: How often should I replace my diesel fuel filter?
A: Replacement intervals can vary based on use and fuel quality. We recommend following the service schedule in your equipment’s owner's manual. As a general guideline, replace it annually or more frequently if you notice performance issues or contaminants in the fuel.

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.