OE Quality
60-Day Returns

MPA Electrical M55108 Brake Master Cylinder
Brake Master Cylinder for Isuzu Trooper
Restore firm, consistent brake pedal response with this remanufactured brake master cylinder from MPA Electrical. Built for 1992-1996 Isuzu Trooper models with front disc brakes, part number M55108 is a standard replacement for vehicles that need dependable hydraulic braking performance.
The aluminum master cylinder features a 1-inch bore and a 2-hole mounting pattern. It is remanufactured and tested against OE specifications using controlled inspection processes to help deliver consistent braking performance right out of the box.
Key Features
- Fits 1992-1996 Isuzu Trooper, front disc brakes
- MPA Electrical remanufactured brake master cylinder
- Part number M55108
- 1-inch master cylinder bore diameter
- Aluminum master cylinder construction
- Standard replacement grade
- 2 mounting holes with 0.385-inch mounting hole diameter
- No reservoir, cap, booster, push rod, sensor, or brake pressure switch included
Detailed Description
MPA Electrical M55108 is a remanufactured brake master cylinder for the Isuzu Trooper, covering 1992, 1993, 1994, 1995, and 1996 models with front disc brakes. This brake hydraulics component is built as a standard replacement and uses an aluminum body with a 1-inch bore to match the original hydraulic requirements for the application. If you are replacing a worn or leaking master cylinder on an Isuzu Trooper, M55108 provides a direct-fit service part for restoring brake pedal feel and hydraulic pressure.
MPA Electrical’s reman with front disc brakes product line focuses on OE-based remanufacturing for vehicles equipped with front disc brake systems. For this application, the part number M55108 is the correct reference to use when searching for an Isuzu Trooper brake master cylinder replacement.
This part cross-references Isuzu OE numbers 8970202121 and 8970896780 for the same application.
What It Helps Solve
- Soft or spongy brake pedal feel
- Brake fluid leakage from the master cylinder body
- Loss of hydraulic pressure in the brake system
- Uneven or inconsistent braking response
- Failure caused by internal seal wear or bore damage
Installation Notes and Tips
Before installation, verify the vehicle is a 1992-1996 Isuzu Trooper with front disc brakes and confirm the bore size and mounting pattern match the original unit. This master cylinder does not include a reservoir, cap, gasket, seal, push rod, booster, mounting hardware, sensor, or brake pressure switch, so reuse or source the required related components as needed. Bench bleeding the master cylinder before installation helps reduce trapped air and speeds up final brake system bleeding.
Quality Assurance
Each MPA Electrical remanufactured master cylinder is tested against OE specifications using proprietary inspection processes and strict protocols to help ensure consistent braking performance after installation.
| Brand | MPA Electrical |
|---|---|
| Part Number | M55108 |
| Position | Reman with front disc brakes |
| Mounting Hardware Included | No |
| Grade Type | Standard replacement |
| Gasket Or Seal Included | No |
| Mounting Hole Quantity | 2 |
| Master Cylinder Bore Diameter | 1 |
| Brake Booster Included | No |
| Master Cylinder Cap Included | No |
| Master Cylinder Material | Aluminum |
| Push Rod Included | No |
| Reservoir Included | No |
| Sensor Included | No |
| Mounting Hole Diameter | 0.385 |
| Mounting Bracket Included | No |
| Brake Pressure Switch(s) Included | No |
| Product Condition | Remanufactured |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1996 | Isuzu | Trooper | N/A | Reman with front disc brakes |
| 1995 | Isuzu | Trooper | N/A | Reman with front disc brakes |
| 1994 | Isuzu | Trooper | N/A | Reman with front disc brakes |
| 1993 | Isuzu | Trooper | N/A | Reman with front disc brakes |
| 1992 | Isuzu | Trooper | N/A | Reman with front disc brakes |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.