Baldwin B253 Engine Oil Filter

Baldwin B253 Oil Filter for Ferrari and Porsche

The Baldwin B253 is an engine oil filter built for select Ferrari and Porsche applications, including classic Porsche 911 models and Ferrari Mondial variants. It uses an anti-drainback valve, a 20 PSID by-pass valve, and a standpipe to support consistent oil flow and filtration in street and racing use.

Key Features

• Part number: B253
• Engine oil filter for Ferrari and Porsche applications
• Contains an anti-drainback valve to help retain oil in the filter
• 20 PSID by-pass valve for controlled oil flow under restriction
• Standpipe design
• Integral gasket: G401
• Outside diameter: 3 11/16 in. (93.7 mm)
• Height: 5 15/32 in. (138.9 mm)
• Thread: 4-Mar
• 16 threads per inch
• Can be used with OB40079 base
• Approved for racing applications

Detailed Description

Baldwin B253 is an OE-style engine oil filter for Ferrari Mondial 8, Ferrari Mondial, Ferrari Mondial 3.2, and Porsche 911 applications listed below. The filter is built around a 4-Mar thread, a G401 integral gasket, and a compact canister size that matches the specified fitment. Baldwin B253 also replaces Ferrari 45384000, Lancia 2220425, and Porsche 901-107-203-02, making it a practical reference for maintenance on select European performance engines.

This filter is suited for owners searching for a Baldwin B253 oil filter for Ferrari Mondial 3.2 or a Baldwin B253 oil filter for Porsche 911 1965-1971. It is also noted for racing use and can be paired with the OB40079 base where specified.

What It Helps Address

• Maintains oil filtration during routine engine service
• Supports oil retention after shutdown with the anti-drainback valve
• Helps manage bypass flow when the filter reaches restriction limits
• Provides a direct replacement path for listed OE part numbers
• Serves classic Ferrari and Porsche oil filter replacement needs

Installation Notes and Tips

Verify thread size, gasket match, and canister dimensions before installation. Confirm the engine application against the listed fitment for Ferrari Mondial 8, Ferrari Mondial, Ferrari Mondial 3.2, and Porsche 911 models. If the vehicle uses the OB40079 base, confirm that the filter and base combination matches the service setup before assembly.

• Fits 1986-1988 Ferrari Mondial 3.2, N/A
• Fits 1983-1985 Ferrari Mondial, N/A
• Fits 1982 Ferrari Mondial 8, N/A
• Fits 1965-1971 Porsche 911, N/A

Quality Assurance

Baldwin manufactures filtration products for automotive service applications, and the B253 is built to the listed dimensional and functional specifications for the stated vehicles. Cross-reference part numbers include Ferrari 45384000 and Porsche 901-107-203-02.