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119593-35100 Marine Lube Oil Filter
High-Efficiency Spin-On Filter for Yanmar 6LY Series | 1-12 UNF-2B Thread Precision | Replaces Fleetguard LF3740 & Donaldson P502067
Engineered for Uninterrupted Marine Power
The AYREST 119593-35100 Oil Filter is a premium-grade lubrication solution specifically optimized for the high-torque, high-heat environments of Yanmar Marine propulsion systems. At the heart of this filter is our multi-layer densified cured media, a specialized synthetic-blend material that delivers filtration efficiency equivalent to OEM standards. By capturing microscopic soot and abrasive particles, it effectively delays oil oxidation and maintains the TBN (Total Base Number) of your lubricant for longer durations.
One of the most critical advantages of the 119593-35100 is its reinforced one-piece steel shell. Unlike standard automotive filters, our marine-grade canister offers superior vibration and burst resistance, ensuring structural integrity even when facing Fatigue Pressure Pulses in heavy seas. The internal bypass valve is precision-calibrated to ensure that even during cold-start operations in freezing northern waters, your engine's bearings receive immediate lubrication, serving as an essential insurance policy for equipment uptime.
The optimized flow-path design within the filter reduces oil pump parasitic drag, which indirectly improves fuel efficiency and power output. Whether your vessel is operating for commercial transport or leisure, this filter provides the absolute protection required to extend the life of your 6LY series engines and minimize costly mid-season maintenance.
Technical Specifications
| Feature / Dimension | Details |
|---|---|
| Style | Lube Filter, Spin-On |
| Outer Diameter | 94.7 mm |
| Overall Length | 222.3 mm |
| Thread Size | 1-12 UNF-2B |
| Media Type | Multi-Layer Densified Cured Media |
Performance Highlights
High Dirt-Holding Gradient Media: The unique gradient structure captures larger particles on the surface while trapping finer silt in the inner layers, significantly extending service life.
Precision Bypass Valve: This safety mechanism instantly opens to supply oil-even if the element is blocked-preventing catastrophic engine seizure.
Thickened Anti-corrosion Shell: Features a specialized rust-proof coating resistant to the salt-spray and high-humidity environments found in marine engine rooms.
Low Flow Resistance: Ensures a steady, high-volume flow of oil to the turbocharger and main bearings, reducing engine heat and oil pump wear.
OE Cross-Reference
- YANMAR MARINE: 119593-35100
- Fleetguard: LF3740
- Donaldson: P502067
- HiFi Filter: SO 3740
- SF Filter: SP 96019
- Inline: FH51397
Applications (Yanmar Marine)
Expert Technical FAQ
Q1: Why is a "one-piece shell" important for marine engines?
A: Marine engines operate under constant vibration. Seamed shells can develop stress fractures over time. Our one-piece design eliminates structural weak points, preventing leaks in the middle of a voyage.
Q2: How does the AYREST 119593-35100 prevent dry-start wear?
A: It features a high-grade anti-drainback valve that keeps oil in the filter even when the engine is off. This ensures that oil pressure reaches critical components the instant you turn the key.
Q3: Is this filter compatible with modern synthetic marine oils?
A: Absolutely. Our cured composite media is chemically stable and fully compatible with all mineral-based and fully synthetic marine engine oils (SAE 15W-40, 5W-40, etc.).
Q4: Why choose this over a standard Fleetguard or Donaldson alternative?
A: While we provide full cross-compatibility with Fleetguard LF3740 and Donaldson P502067, AYREST filters are specifically manufactured with a focus on marine-specific corrosion resistance and competitive bulk pricing for global distributors.
Q5: What determines the filtration precision?
A: We utilize multi-layer densified media which provides an optimal balance between flow rate and particle retention (Nominal/Absolute rating), matching the requirements set by Yanmar for their high-performance 6LY engines.
Ready for Maximum Engine Protection?
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