Royal Enfield Rear Master Cylinder 148351/B – OEM for Interceptor/Continental GT 650

Ensure reliable braking with this genuine Royal Enfield Rear Master Cylinder Assembly (Part No. 148351/B). This factory-original unit delivers consistent hydraulic pressure to the rear brake caliper, ensuring smooth and responsive braking performance. Designed specifically for the Interceptor 650 and Continental GT 650, it offers a precise OEM fit with high-quality seals and a durable lever. Packaged in Royal Enfield’s official parts packaging, it replaces the piece installed at the factory.

3. Key Features:

• Genuine Royal Enfield OEM assembly

• Factory part number: 148351/B

• Precision-engineered hydraulic piston for consistent pressure

• Includes mounting hardware for easy installation

• Robust build quality to match factory standards

• Branded packaging ensures authenticity

4. Compatibility (verified):

✅ Interceptor 650 (all model years Euro IV & V) 
✅ Continental GT 650 (all model years Euro IV & V)
❌ Not compatible with Himalayan, Meteor, Hunter 350, Classic UCE, Bullet, or any 350/500 models

5. Package Includes:

• 1 × Rear Master Cylinder Assembly (148351/B)

• OEM mounting bolt and seal washer

FAQ Section:

Q1. Which models is this master cylinder for?
Fits only the Interceptor 650 and Continental GT 650 (Euro IV & V) models. 

Q2. Will it fit Himalayan or Classic?
No. This cylinder is not compatible with Himalayan, Classic, Meteor, Hunter, Bullet, or any 350/500 models.

Q3. Is this OEM?
Yes—it’s a 100% genuine Royal Enfield factory part, exactly matching the components supplied at assembly. 

Q4. What’s included in the package?
Includes the master cylinder with piston assembly, lever, mounting bolt, and seal washer.

Q5. Is installation difficult?
No—it’s a direct bolt-on replacement. Remove the old master cylinder, install this unit, refill brake fluid, and bleed as per RE service manual.