Baldwin Filters BT357 Hydraulic Filter 1 Inch Thread

Product Description

The BALDWIN FILTERS BT357 is a spin-on hydraulic filter designed for automotive and light-equipment hydraulic systems. It mounts via a 1-inch thread and provides filtration of hydraulic fluid to protect pumps, valves, and actuators from particulate contamination. At 0.95 pounds, it is a compact, direct-replacement unit suited for service by automotive technicians and equipment mechanics. The BT357 is built to OEM-equivalent standards, making it a reliable choice for scheduled hydraulic filter service intervals.

This filter is used in hydraulic systems found in automotive and light industrial equipment applications. It is a common service item during hydraulic fluid maintenance, system flushes, or when responding to elevated contamination levels detected during system inspection. Its spin-on design allows for straightforward removal and installation without special tooling beyond a standard filter wrench.

Key Features

• Spin-on hydraulic filter with 1-inch thread for secure, leak-resistant mounting
• Replaces multiple OEM and aftermarket part numbers across major brands
• Lightweight at 0.95 pounds for easy handling during service
• OEM-style replacement design for routine hydraulic system maintenance

Compatibility

Compatible with applications previously using ACDelco PF1074, Case 404886R1, Donaldson P779667, Fram P6485, GMC 25012354, Hastings HF737, International 404886-R1, Purolator PER312H, and Wix 51247.

Installation Notes

Installation should be performed by a qualified automotive technician or equipment mechanic. Before replacing the hydraulic filter, relieve system pressure and depressurize the hydraulic circuit according to the equipment manufacturer's service procedure. Apply a light film of clean hydraulic fluid to the filter gasket before installation and tighten hand-tight plus a partial turn as appropriate for the filter thread size. Dispose of used hydraulic fluid and the old filter in accordance with local regulations.