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MPA Electrical B3105 Power Brake Booster
| Brand | MPA Electrical B3105 |
|---|---|
| Brake Service Grade | Standard replacement |
| Booster Type | Vacuum |
| Brake Pedal Rod Extension Included | No |
| Master Cylinder Included | No |
| Gasket Or Seal Included | No |
| Housing Material | Metal |
| Diaphragm Diameter | 244.86 |
| Diaphragm Diameter | 9.64 |
| Mounting Bracket Included | No |
| Front Seal Included | No |
| Master Cylinder Stud Thread Size (mm) | 8 x 1.25 |
| Mounting Stud Quantity | 2 |
| Product Condition | Remanufactured |
| Product line | Reman Vac Pwr Brake Booster w/o Master Cyl |
| Fits | Honda · 3 vehicles |
Remanufactured unit. Standard replacement vacuum booster for dependable brake assist.
Metal housing. Durable construction helps support reliable pressure transfer.
Tested end to end. Each unit is fully checked before it leaves the line.
Cross-references 46400SD2A04 for the same application. See all 1.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Remanufactured Vacuum Brake Booster for Honda Civic
MPA Electrical B3105 is a remanufactured vacuum power brake booster for select 1990-1992 Honda Civic models. It is built for standard replacement use and is designed to deliver strong braking assist with reduced pedal effort.
For shoppers searching for a Honda Civic brake booster replacement, B3105 provides a direct-fit vacuum booster solution for the listed Civic applications. This reman Vac Pwr Brake Booster w/o Master Cyl is supplied without the master cylinder, so it is intended for vehicles where the existing master cylinder is being retained or replaced separately.
Key Features
- Brand: MPA Electrical
- Part number: B3105
- Remanufactured standard replacement brake booster
- Vacuum booster design for brake assist
- Metal housing construction
- 244.86 mm / 9.64 in diaphragm diameter
- 8 x 1.25 mm master cylinder stud thread size
- 2 mounting studs
- Master cylinder not included
- Brake pedal rod extension not included
Product Details
MPA Electrical’s remanufactured brake booster line focuses on restoring vacuum seal integrity, pressure transfer, and pedal response through new replacement and specially treated internal components. Each unit is end-of-line tested with proprietary equipment to verify function before release. This B3105 unit is a practical choice for 1990-1992 Honda Civic brake booster replacement work where vacuum assist performance and OE-style fitment matter.
This part cross-references Honda 46400SD2A04 for the same application.
Common Problems This Part Addresses
- Hard brake pedal feel
- Reduced vacuum assist during braking
- Brake booster leakage or loss of vacuum seal
- Poor pedal response under normal driving conditions
- Need for a remanufactured Honda Civic brake booster replacement
Installation Notes
Fits 1990-1992 Honda Civic, N/A. Verify master cylinder stud thread size, mounting stud layout, and pedal linkage before installation. This booster does not include the master cylinder, gasket or seal, front seal, mounting bracket, or brake pedal rod extension.
Quality Assurance
MPA Electrical subjects each brake booster to 100% end-of-line testing using proprietary test equipment to confirm performance before it leaves the remanufacturing process.
| Year | Make | Model | Submodel | Body Type | Drive Type | Transmission | Notes |
|---|---|---|---|---|---|---|---|
| 1992 | Honda | Civic | Si | Hatchback | — | Manual | Reman Vac Pwr Brake Booster w/o Master Cyl |
| 1991 | Honda | Civic | — | Wagon | FWD | Automatic | Reman Vac Pwr Brake Booster w/o Master Cyl |
| 1990 | Honda | Civic | — | Wagon | FWD | Automatic | Reman Vac Pwr Brake Booster w/o Master Cyl |
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