RSG Engineered 13B / 20B Rotor Oil Filter Adapter – 3x 1/8 NPT
RSG 13B / 20B Rotor Design Oil Filter Adapter
The RSG Engineered Oil Filter Adapter combines functionality with a distinctive design inspired by the shape of a Mazda rotor.
CNC-machined for 13B and 20B applications, the adapter incorporates three 1/8 NPT ports, providing flexible mounting locations for oil pressure, oil temperature and additional sensors.
The rotor-shaped body makes the adapter a recognizable RSG Engineered component while maintaining a clean, purposeful appearance in the engine bay.
KEY FEATURES
- Unique rotor-inspired RSG design
- CNC-machined construction
- Designed for 13B and 20B engines
- 3x 1/8 NPT auxiliary ports
- Suitable for oil pressure sensors
- Suitable for oil temperature sensors
- Suitable for oil Feed for Turbo Renesis RX-8
- Ideal for aftermarket ECU and dashboard installations
- Suitable for street, performance and motorsport builds
- Designed by RSG Engineered
3x 1/8 NPT SENSOR PORTS
Three integrated 1/8 NPT ports provide flexibility when adding engine monitoring sensors.
Unused ports should be correctly plugged and sealed (Plugs Included).
ROTOR-INSPIRED DESIGN
Unlike a conventional oil filter adapter, the RSG version features a distinctive rotor-shaped body inspired by the 13B/20B rotor itself.
This isn't simply a cosmetic detail—the design gives the component an unmistakable RSG identity and makes it particularly suited to detailed engine-bay builds where both engineering and appearance matter.
IMPORTANT
Correct installation and sealing of all NPT fittings is required.
Sensor compatibility, thread requirements and installation clearance should be confirmed before installation.
Worldwide shipping available.


