Baldwin Filters B40051 Automotive Oil Filter 4in Od

Product Description

The BALDWIN FILTERS B40051 is a spin-on automotive oil filter designed to remove contaminants from engine oil in heavy-duty and commercial vehicle applications. With an outside diameter of 4 inches and an overall length of 6-7/32 inches, this filter is built to OEM-style dimensions that ensure proper fit and sealing. The M67x4 thread size provides a secure, leak-free connection to the engine block. Installed by diesel technicians and fleet maintenance professionals, the B40051 is a direct replacement unit intended to maintain engine lubrication system integrity across extended service intervals.

This oil filter is suited for commercial and heavy-duty vehicle applications where larger filtration capacity is required. The 4-inch outside diameter and 6-7/32-inch overall length place this filter in the range typically found on medium- to heavy-duty truck engines and industrial power equipment. It is packaged individually and commonly stocked in shop quantities for fleet or multi-unit maintenance operations.

Key Features

• Outside diameter of 4 inches for correct housing fit and bypass valve seating
• Overall length of 6-7/32 inches provides appropriate filtration media surface area
• M67x4 thread size ensures a secure, standardized mount to the engine block adapter
• Spin-on design allows for straightforward removal and installation without special tooling
• Packaged as single unit for individual or fleet inventory management

Compatibility

Designed as an OEM-style replacement oil filter for heavy-duty and commercial engine applications requiring an M67x4 thread mount with a 4-inch outside diameter housing.

Installation Notes

Oil filter replacement is performed by qualified diesel technicians or fleet maintenance personnel. Before removal, shut down the engine and allow it to cool to a safe working temperature, then relieve any residual oil system pressure. Apply a light film of clean engine oil to the gasket before installing the new filter, and tighten by hand until the gasket seats, then snug per the engine manufacturer's torque guidance. Dispose of used oil and filters in accordance with local environmental regulations.