GEARWRENCH - ACH 3944 Extra Large Oil Filter Wrench

GEARWRENCH - ACH 3944 Extra Large Oil Filter Wrench

The GEARWRENCH - ACH 3944 Pro Swivoil Extra Large Oil Filter Wrench is engineered for demanding oil & fluid management environments. Sized for 96-111mm filters, this wrench offers broad compatibility with oversized spin-on filters used in light trucks, commercial vehicles, and many industrial oil change applications. The swivel joint design improves access in tight engine bays while delivering controlled torque for secure removal and installation.

Oil Storage System Compatibility

This tool integrates smoothly into an oil storage system workflow by reducing filter-change time and minimizing spills. Its robust construction and precise fit help technicians maintain clean transfer points between filter removal and oil containment equipment. The design supports consistent filter handling practices that protect oil storage containers and funnels from contamination.

Professional Oil Management Equipment

Built for professional oil management equipment setups, the 3944 delivers a balance of reach and strength. The Pro Swivoil mechanism allows angle adjustment to align with the filter, improving leverage without overstressing the housing. Materials and finish resist corrosion in shop environments, extending service life when used alongside pumps, drain pans, and storage tanks.

Automotive Fluid Management And Heavy Duty Fluid System Integration

For automotive fluid management tasks, this wrench simplifies maintenance across passenger and light commercial fleets. It is also suited to heavy duty fluid system operations where larger filter sizes are common. The tool supports safe, repeatable filter changes that preserve system integrity and reduce downtime during routine fluid service.

Specifications include a 96-111mm capacity range, swivel joint action for improved access, and a durable construction optimized for professional use. The wrench is a practical addition to any technician's toolkit focused on oil and fluid management efficiency and reliability.

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