Lexus RX300 Brake Master Cylinder Reservoir Filler Cap OEM 84460-30040 Black Genuine Replacement Part For Brake Fluid Reservoir Cap Drop In Easy Install Direct Fit For RX Series And Other Lexus Models

Lexus RX300 Brake Master Cylinder Cap - OEM, single cap
✔️ Genuine OEM cap, black filler cap, direct fit for RX models

The filler cap for the brake fluid reservoir is a genuine OEM replacement designed for direct drop-in fit on the RX300 and other Lexus models. It seals the brake system, helping prevent contamination and leaks while withstanding engine bay heat.

✅ Genuine OEM replacement cap for brake fluid reservoir 84460-30040
✅ Color: Black, matches factory look
✅ Direct-fit, drop-in RX300 and Lexus models
✅ Easy install, seals properly to prevent leaks
✅ Durable plastic construction for engine bay heat

💡 What is a brake reservoir cap used for and why replace it?

Replacing a worn cap helps maintain pressure sealing and keeps dirt out of the brake fluid system.

• seals the brake fluid reservoir to prevent moisture and dust entry
• OEM 84460-30040 compatible with RX300 and other Lexus models
• easy drop-in installation for a direct, secure fit