Baldwin BT839‑10 Hydraulic Spin‑On Filter – 12 Pack – 12 Micron Nominal / 30 Micron Absolute – 1‑12 Thread, 3 11/16″ OD × 5 13/32″ L – Replaces Cross 1A9023, Lenz CP-752-10, Wix 51551, P551551

The Baldwin BT839‑10 Hydraulic Spin‑On Filter – Pack of 12 delivers reliable fluid cleanliness for mobile and fixed hydraulic systems. Featuring high-performance 12 µm nominal / 30 µm absolute filtration, it safeguards pumps, valves, and actuators from wear caused by ingress. The spin-on design, complete with 1‑12 thread and G401 gasket, simplifies installation and replacement cycles. Its compact dimensions (3 11/16″ OD × 5 13/32″ L) fit Baldwin OB-series bases. Manufactured in the USA, this bulk pack is ideal for maintenance teams, fleets, and rental operations requiring dependable filtration solutions. Technical Specifications - Thread Size: 1‑12 UNF - Outside Diameter: 3 11/16″ (93.7 mm) - Length: 5 13/32″ (137.3 mm) - Micron Rating: 12 µm nominal / 30 µm absolute - Gasket: Integral G401 - Housing Type: Spin‑on hydraulic filter - Application: Compact hydraulic equipment—can be used with Baldwin OB1317–OB1320 bases Cross Reference Replacements: Replaces Cross 1A9023, Gresen 8057000, Michigan Fluid Power 201026; related to BT452, BT8420, BT8428-MPG

• 12‑Pack Fleet Value – Includes twelve genuine Baldwin BT839‑10 hydraulic spin‑on filters—perfect for fleets, service centers, or equipment backup stock.
• High‑Efficiency Filtration – 12 µm nominal / 30 µm absolute media protects critical hydraulic components by removing fine unwanted material.
• Exact OEM Fit – Standard 1‑12 UNF thread and integral G401 gasket ensure leak-free performance in OB1317/18/19/20-style bases.
• Compact & Durable Design – Measures 3 11/16″ (93.7 mm) OD × 5 13/32″ (137.3 mm) length, built tough for demanding construction, ag, and mobile hydraulic equipment.
• Trusted Cross‑References – Directly replaces Cross 1A9023, Gresen 8057000, Michigan Fluid Power 201026 and suitable backups to BT452, BT8420, BT8428-MPG models.