Billet Aluminum Oil Filter Sandwich Adapter for Smart Fortwo 450

Upgrading your Smart Fortwo 450’s lubrication circuit begins with this billet aluminum oil filter sandwich adapter, precision-machined from T6061 aluminum alloy to replace the factory plastic housing. Sustained operating temperatures and road vibration frequently crack the original filter bracket, risking sudden oil loss and bearing damage. This reinforced adapter incorporates a dedicated internal drain-back passage that routes excess oil back to the sump during cooldown, allowing the camshaft and upper valvetrain to receive instant lubrication on cold mornings. Calibrated 8x6mm flow channels maintain steady system pressure while minimizing thermal concentration around the mounting surface.

• Pair the adapter with a serviceable rotary-style oil filter to streamline maintenance schedules and lower long-term consumption costs.
• Coat all mating gaskets and O-rings with fresh engine oil before initial torque-down to prevent compression tears and cross-threading.
• Monitor oil pressure gauges for the first five drive cycles after installation to confirm optimal flow through the upgraded circuit.

Product Specifications

• Fitment: Smart Fortwo 450 platform (every trim level)
• Core Material: CNC-machined T6061 aluminum alloy
• Filter Cross-Reference: Purflux LS 867B, MAN 80451 103 261, UFI 23.293.00
• Internal Routing: Integrated crankcase return groove with reinforced flange profile

Package Includes:

• 1 x Round oil filter sandwich adapter plate

Warnings & Reminders

• Mechanical installation must be completed by a qualified technician; procedural instructions are not enclosed.
• CNC fabrication tolerances allow minor dimensional variance within standard manufacturing limits.
• Dispose of spent gaskets and inspect threading before reassembly to prevent hydraulic leaks.