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LF17545 High-Efficiency Spin-On Oil Filter
Superior Protection for Marine and Industrial Engines
Removes 98.7% of particulates at the 7-micron level to protect high-torque engine bearings.
Robust 128 mm steel housing engineered to withstand high-pressure pulsations in maritime environments.
1:1 fitment for Yanmar 12863335450 and Mitsubishi 35A4001800.
Tested under ISO 4548-12 standards for consistent multi-pass efficiency and dirt-holding capacity.
Optimizing Engine Life in Marine and Industrial Environments
For high-torque marine engines such as the Yanmar 6CXM-GTE, maintaining oil purity is critical to prevent premature bearing wear and turbocharger failure. Microscopic contaminants-often smaller than 10 microns-act as abrasives that degrade the protective oil film. The LF17545 acts as a primary defense, removing these combustion byproducts before they reach critical friction points.
How the LF17545 Oil Filter Works
A spin-on oil filter is a sealed filtration unit designed to capture soot, metal particles, and sludge from engine lubricant. The LF17545 utilizes high-capacity synthetic depth media. As oil circulates through the filter, the 7-micron media traps debris while maintaining the high flow rates required by large-displacement engines like the Mitsubishi S6A-3. This "Full-Flow" design ensures that 100% of the oil is polished during every cycle.
Why Select Our Filtration Solutions?
- ✔No-Bypass Reliability: Unlike standard automotive filters, the LF17545 is engineered without an internal pressure relief valve to ensure fully filtered oil reaches the engine.
- ✔Structural Integrity: Our canisters feature reinforced base plates and high-elasticity NBR gaskets designed for extreme thermal loads and vibrations.
- ✔Cost-Effective Protection: High-performance alternative to OEM parts, reducing overhead without compromising the Micron Rating or Beta Ratio.
Technical Specifications
| Parameter | Specification Detail |
|---|---|
| Model Number | LF17545 |
| Product Type | Spin-On Lube Oil Filter |
| Filtration Efficiency | 7.00 micron (c) @ 98.7% |
| Overall Length | 170.00 mm (6.69 inch) |
| Largest OD | 128.00 mm (5.04 inch) |
| Thread Size | 1 3/8-16 UNF 2B |
| Gasket OD | 106.50 mm (4.19 inch) |
| Test Standard | ISO 4548-12 |
| Bypass Valve | No |
Cross Reference and Engine Compatibility
| Brand | Reference Part Number | Compatible Equipment / Engine |
|---|---|---|
| Fleetguard | LF17545 | Mitsubishi / Yanmar Marine |
| Yanmar | 12863335450 | 4CH25C, 4CH25D, 6CXM-GTE |
| Mitsubishi | 35A4001800 | S6A-3, S6B Series |
| Hifi Filter | SO 6144 | Industrial Generator Sets |
| Sakura | C-5809 | Aftermarket Marine Applications |
| HIMOINSA | HTW 1025 | Power Generation Units |
Industrial Applications
Quality and Trust Assurance
Our LF17545 filters are manufactured under strict ISO 9001:2015 quality control protocols. Each element undergoes pressure-leak testing and multi-pass efficiency verification according to ISO 4548-12. We prioritize high-grade synthetic media to provide a reliable, long-service-life alternative to original equipment filters, ensuring uptime in demanding offshore and industrial environments.
Frequently Asked Questions
The service interval is primarily dictated by the engine manufacturer's guidelines (typically 250 to 500 hours). However, in marine environments with high soot levels, we recommend monitoring oil pressure differentials. If a significant pressure drop occurs, the filter should be replaced immediately.
The LF17545 is designed for specific engines where the bypass valve is located within the filter head or engine block rather than the filter itself. Installing a filter with an internal bypass on these systems could lead to unfiltered oil entering the engine prematurely.
Standard filters often operate at 20 to 40 microns. Using a lower efficiency filter on a 7-micron system allows fine silt and metal shavings to circulate, which causes "polishing" of cylinder liners and accelerates turbocharger bearing failure.
Yes. While it is widely used in Yanmar marine engines, it is also the standard filtration element for Mitsubishi S6A and S6B engines used in stationary power generation and mining modules.
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