Baldwin B40129 Engine Oil Filter

Baldwin B40129 Engine Oil Filter for Porsche

The Baldwin B40129 is an engine oil filter built for select Porsche applications that call for M20 x 1.5 thread fitment and OE-style filtration dimensions. It is specified for Porsche 911 Turbo, 924, 944, and 968 models, including long-tail searches such as a Porsche 944 oil filter replacement or a 1992-1995 Porsche 968 engine oil filter.

Key Features

• Part number: B40129
• Engine oil filter for select Porsche vehicles
• M20 x 1.5 thread
• Height: 4 27/32 in. (123 mm)
• Outside diameter: 2 29/32 in. (73.8 mm)
• Integral gasket included
• 30 PSID by-pass valve
• Front end check valve
• Replaces Porsche 94410720108 and Wix 51287

Detailed Description

Baldwin B40129 is an engine oil filter engineered for Porsche engines that use the listed OE reference and thread specification. The filter’s 30 PSID by-pass valve and front end check valve support oil flow management during cold starts and restricted-flow conditions, while the included integral gasket helps provide a proper seal at installation. For buyers searching by vehicle, this filter is a direct match for Porsche 911 Turbo, Porsche 944, Porsche 924, and Porsche 968 oil filter applications where the OE number 94410720108 is specified. The Baldwin B40129 also cross-references Wix 51287 for the same application.

Vehicle Fitment

• Fits 1992-1995 Porsche 968, N/A. OE Number: 94410720108
• Fits 1994 Porsche 911, N/A. OE Number: 94410720108
• Fits 1991-1992 Porsche 911, N/A. OE Number: 94410720108
• Fits 1983-1991 Porsche 944, N/A. OE Number: 94410720108
• Fits 1986-1989 Porsche 944, N/A. OE Number: 51287
• Fits 1987-1988 Porsche 924, N/A. OE Number: 94410720108

Common Service Uses

• Replacing a worn or clogged Porsche engine oil filter
• Restoring proper oil filtration during routine maintenance
• Addressing OE-number-based filter replacement needs
• Matching the correct thread, height, and diameter for service fitment
• Supporting oil system service on Porsche 911 Turbo, 944, 924, and 968 models

Installation Notes and Tips

Verify the OE number, thread size, and filter dimensions before installation. Confirm the sealing surface is clean, and replace the filter only with the correct M20 x 1.5 application. Always follow the vehicle manufacturer’s service procedure and torque guidance for the oil filter housing or mounting location.

Quality Assurance

Baldwin manufactures filtration products for automotive service applications, and this filter is built to the listed dimensional and valve specifications for the stated Porsche fitments. Use the OE reference and physical measurements to confirm application accuracy before installation.