NAPA H21W 12V 21W BAY9s Bulb for BMW is a high-quality replacement automotive halogen bulb designed for selected BMW vehicles requiring an H21W 12V 21W BAY9s bulb fitment.

Manufactured to provide dependable illumination and reliable performance, this NAPA bulb is suitable as a direct replacement for a failed, dim or worn original bulb. Depending on the vehicle specification, H21W bulbs can be used in various signal and auxiliary lighting applications.

Key Features & Benefits

• Brand: NAPA

• Bulb Type: H21W

• Voltage: 12V

• Power Rating: 21W

• Base / Cap Type: BAY9s

• Bulb Technology: Halogen

• High-quality replacement automotive bulb

• Suitable for selected BMW vehicles

• Reliable and consistent illumination

• Designed for compatible 12V vehicle electrical systems

• Direct replacement where H21W BAY9s is specified

• Ideal replacement for failed or worn bulbs

• Suitable for various compatible vehicle lighting applications

• Condition: Brand New

Pack Contents

• 1 × NAPA H21W Automotive Bulb

• Voltage: 12V

• Power: 21W

• Quantity: 1 Bulb

Specifications

Brand: NAPA | Bulb: H21W | Voltage: 12V | Power: 21W | Base: BAY9s | Technology: Halogen | Quantity: 1

Vehicle Applications

Suitable for selected BMW vehicles equipped with H21W 12V 21W BAY9s bulbs.

Depending on the BMW model and lighting configuration, this bulb may be used for compatible indicator, reversing, rear fog or other auxiliary lighting applications.

Exact fitment varies according to the BMW model, production year and installed light unit specification.

Common Bulb References

H21W
12V 21W
BAY9s
H21W BAY9s

Common Customer Search Terms

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Important: Bulb applications can vary between BMW models, production years and lighting systems. Always check the existing bulb reference, base type, vehicle handbook and light unit specification before ordering. Confirm that your vehicle requires an H21W 12V 21W BAY9s bulb.

Original / OE & Cross Reference Numbers

• OE reference: 64136
• NAPA: NBU1435
• Bulb reference: H21W
• Base: BAY9s