FREIGHTLINER VOLVO WESTERN STAR ECT OIL FILTER LF637 – Heavy Duty Lube Oil Filter Replacement
Heavy-duty ECT oil filter LF637 compatible with Freightliner, Volvo, Western Star heavy trucks. Direct OEM replacement with cross references P550637, 51637, B233, ideal for engine protection, fleet maintenance and aftermarket replacement.
描述
This premium heavy-duty ECT lube oil filter LF637 is professionally engineered as a direct OEM replacement, specifically designed for Freightliner, Volvo, and Western Star heavy-duty semi trucks and commercial vehicles. Manufactured to meet or exceed OEM specifications, it fully matches the core part number LF637 and common cross reference numbers including P550637, 51637, B233, LFP55-0637, C1720, ensuring precise fit, reliable oil filtration, and easy installation—perfect for repair shops, fleet maintenance, and global wholesale procurement.
Product Core Parameters
- Filter Type: Heavy Duty ECT Lube Oil Filter (Cartridge Style)
- Core Part Number: LF637
- Cross Reference Numbers: P550637, 51637, B233, LFP55-0637, C1720, NAPA 1637, WIX 51637
- Filter Media: High-efficiency synthetic blended lube filter media
- Filtration Precision: 30-micron efficiency, capturing 68% of fine contaminants (TWA)
- Overall Height: 105.41mm / 4.15 inches
- Largest Outer Diameter: 130.05mm / 5.12 inches
- Inner Diameter (End 1): 22.1mm / 0.87 inches; Inner Diameter (End 2): 37.85mm / 1.49 inches
- Thread Specification: 1 1/8-16 UN-2B (standard heavy-duty truck thread)
- Working Temperature: -40℃ to 120℃ (adapts to extreme weather and engine operating conditions)
- Structural Design: Cartridge-style, corrosion-resistant housing, leak-proof sealing gasket
- Weight: 0.60 kgs (1.32 lbs)
- Key Feature: High flow rate design to meet modern heavy-duty engine requirements, environmentally friendly construction
Compatible Vehicle Models
Freightliner Heavy Trucks
- Freightliner Argosy, Condor, FL70, FL112, FLA, FLB, FLC, FLD series heavy-duty trucks
- Freightliner Cascadia, Coronado, 122SD (legacy models)
- Suitable for Freightliner trucks equipped with Cummins, Detroit Diesel engines
Volvo Heavy Trucks
- Volvo FH12, FH16, FL6, FL10, FL12, VHD, VH series (1999-2021 models)
- Volvo VNL, VNM long-haul semi trucks equipped with D12, D13 engines
- Compatible with Volvo 3105264A, 387085002 OEM part equivalents
Western Star Heavy Trucks
- Western Star 6900 series heavy-duty trucks
- Western Star legacy models compatible with LF637 specifications
- Also interchangeable with select Kenworth, Mack same-platform heavy-duty trucks
Compatible Engines
- Cummins M11, N14, ISM, ISX, NTC diesel engines
- Detroit Diesel 60 series engines
- Volvo D12, D13 diesel engines
- Caterpillar 3176, 3406, C7, C10, C12, C15, C16 diesel engines
- PACCAR engine platforms matching LF637 dimensional and performance requirements
Product Features
Built with high-quality synthetic blended filter media, the LF637 oil filter effectively captures fine metal particles, carbon sludge, soot, and oil contaminants, reducing internal engine wear and extending engine service life. Its high flow rate design ensures optimal oil circulation, supporting the performance needs of modern heavy-duty engines while maintaining stable filtration efficiency.
The cartridge-style design enables easy, tool-friendly installation and replacement, reducing maintenance time and labor costs. Corrosion-resistant housing withstands high oil pressure, engine vibration, and extreme under-hood temperatures, ensuring leak-proof performance even in harsh working environments. Strict quality control meets ISO standards and OEM specifications, with consistent dimensions and performance across all units.
Ideal for global oil filter distributors, heavy truck parts suppliers, repair workshops, and fleet procurement. We provide factory-direct pricing, stable inventory support, custom packaging, and private label services, along with full cross-reference compatibility to simplify ordering and inventory management. This LF637 filter is a cost-effective, reliable solution for aftermarket replacement and fleet maintenance.
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