About This Brake Master Cylinder with Reservoir
This OEM Brake Master Cylinder with Reservoir is a direct-fit replacement for the 2003–2005 Land Rover Range Rover HSE, restoring precise braking performance, consistent pedal feel, and factory-level reliability.
Master cylinder part number SJJ000040 with reservoir part number SJY000050. Complete assembly includes the fluid reservoir and installs directly into the vehicle's hydraulic brake system with no modification required.
What's Included & Features
Every part is inspected before it leaves our facility.
Here's what you get with this listing:
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Complete Assembly — brake master cylinder with fluid reservoir pre-fitted for straightforward installation.
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Part Number: SJJ000040 — supersedes Contact us for cross-reference / superseded part numbers.
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Reservoir Part Number: SJY000050 — fluid reservoir included as part of this assembly.
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Restores Braking Performance — brings back factory brake pressure and pedal response.
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Genuine OEM Component — engineered for exact fit and function on the Range Rover hydraulic brake system.
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Direct OEM Replacement — fits 2003–2005 Range Rover HSE. No modification required.
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OEM Refurbished & Inspected — professionally tested and quality-checked before shipping.
Part Specifications
| Part # | SJJ000040 / 541-60023 |
| Reservoir Part # | SJY000050 |
| Replaces | Contact us for cross-reference / superseded part numbers |
| Part Type | Brake Master Cylinder with Reservoir |
| Position | N/A |
| Material | OEM Housing with Fluid Reservoir |
| Compatible Models | Land Rover Range Rover 2003–2005 |
| Part Condition | OEM Used / Refurbished |
Vehicle Fitment
| Year | Make | Model | Trim | Engine |
| 2003–2005 | Land Rover | Range Rover | HSE (4WD) | 4.4L V8 A/T |
⚠ Always verify part number SJJ000040 (reservoir SJY000050) matches your original unit before purchasing. Call us if unsure — (877) 443-9246.

