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TRW PML117 Brake Master Cylinder
| Brand | TRW PML117 |
|---|---|
| Reservoir Material | Plastic |
| Dust Boot Included | Yes |
| Mounting Hardware Included | No |
| Gasket Or Seal Included | Yes |
| Mounting Hole Quantity | 2 |
| Master Cylinder Bore Diameter | 25.4 |
| Bleeder Screw Included | No |
| Piston Quantity | 2 |
| Brake Booster Included | No |
| Master Cylinder Cap Included | No |
| Master Cylinder Material | Aluminum |
| Push Rod Included | No |
| Reservoir Included | Yes |
| Bleeder Hoses Included | No |
| Sensor Included | No |
| Port Quantity | 4 |
| Mounting Bracket Included | No |
| Bore Type | Straight |
| Secondary Outlet Thread Size | M10 - 1.0 |
| Secondary Outlet Thread Size | M12 - 1.0 |
| Primary Outlet Thread Size | M10 - 1.0 |
| Primary Outlet Thread Size | M12 - 1.0 |
| Brake Pressure Switch Required | No |
| Brake Pressure Switch(s) Included | No |
| Primary Bore Diameter | 25.4 |
| Reservoir Style | Removable |
| Fits | Land Rover · 8 vehicles |
OE-style replacement. Brake master cylinder with aluminum construction and a removable reservoir.
Hydraulic precision. 25.4 mm bore and four-port layout for controlled brake fluid delivery.
Service-ready design. Dust boot and gasket or seal are included for replacement work.
Cross-references NTC4991 for the same application. See all 1.
Brake Master Cylinder Overview
TRW PML117 is a brake master cylinder built with an aluminum body, a plastic reservoir, and a removable reservoir style. It uses a 25.4 mm bore, two mounting holes, and four ports for a direct hydraulic connection.
Compatible with Land Rover Range Rover applications, this master cylinder includes a dust boot and gasket or seal, while the brake booster, cap, push rod, and mounting hardware are not included. Part number PML117 is also referenced as NTC4991 for the same application.
Key Features
- Aluminum master cylinder construction with a plastic reservoir
- 25.4 mm straight bore for consistent hydraulic output
- Four-port layout with M10 x 1.0 and M12 x 1.0 outlet threads
- Removable reservoir style for service-friendly design
- Dust boot and gasket or seal included
Fitment Details
- Fits 1993 Land Rover Range Rover, N/A.
- Fits 1995 Land Rover Range Rover, N/A.
- Fits 1987-1992 Land Rover Range Rover, N/A, V8.
What It Helps Address
- Soft or inconsistent brake pedal feel caused by internal master cylinder wear
- Brake fluid leakage at the cylinder body or outlet connections
- Loss of hydraulic pressure in the brake system
- Reservoir-related service issues from a cracked or aging unit
Installation Notes
Verify outlet thread sizes, bore diameter, and mounting hole layout before installation. Transfer any required external components not supplied with the cylinder, and bleed the brake system thoroughly after installation. Confirm the vehicle application against the listed Range Rover fitment and engine note before ordering.
Quality Assurance
TRW brake hydraulics are built to meet replacement needs for service and repair work. PML117 cross-references NTC4991 for the same application.
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Notes |
|---|---|---|---|---|---|---|---|
| 1995 | Land Rover | Range Rover | 25th Anniversary Edition | — | — | GAS | — |
| 1993 | Land Rover | Range Rover | Sport | — | — | GAS | — |
| 1992 | Land Rover | Range Rover | County | 3.9L | V8 | GAS | V8 |
| 1991 | Land Rover | Range Rover | Great Divide | 3.9L | V8 | GAS | V8 |
| 1990 | Land Rover | Range Rover | Base | 3.9L | V8 | GAS | V8 |
| 1989 | Land Rover | Range Rover | County | 3.9L | V8 | GAS | V8 |
| 1988 | Land Rover | Range Rover | 40th Anniversary Edition | 3.5L | V8 | GAS | V8 |
| 1987 | Land Rover | Range Rover | Base | 3.5L | V8 | GAS | V8 |
| No rows match your filter. | |||||||