RING RU566 12V P21/4W (566) Fog & Tail Bulb BAZ15d ECE Approved

RING RU566 12V P21/4W (566) Fog & Tail Bulb BAZ15d ECE Approved

The RING RU566 is a 12V 21/4W standard filament bulb designed for use in rear fog and tail light applications. With its BAZ15d offset pin base, it is a direct replacement for the popular 566 (P21/4W) type bulb. Manufactured to ECE standards, the RU566 is road legal and offers dependable performance across a wide range of vehicles, including cars, motorcycles, vans, and light commercial vehicles.

✅ Key Features

• 12V 21/4W standard automotive bulb
• Designed for fog and tail light applications
• Direct replacement for 566 (P21/4W) type
• BAZ15d offset pin base
• ECE approved & road legal
• Supplied in a single box

Product Details

• Brand: RING
• Part code: RU566
• Type: Fog & Tail bulb
• ECE type: P21/4W (566)
• Voltage / Wattage: 12V / 21/4W
• Base type: BAZ15d (offset bayonet, dual contact)
• Technology: Standard filament
• Certification: ECE Reg 37 approved – Road legal
• Packaging: Single box

Physical Dimensions

• Height: 50 mm
• Width: 25 mm
• Depth: 25 mm
• Weight: 0.006 kg

Areas of Application

• Rear fog lights
• Tail lights / position lights
• Cars, motorcycles, scooters, vans, LCVs

 What’s In The Box

• 1 × RING RU566 12V 21/4W P21/4W (566) Fog & Tail Bulb – Single box

Good To Know

• Dual output design: higher output for fog, lower output for tail/position
• ECE approved & road legal
• Replace in pairs for even brightness