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MPA ElectricalPart #: B3872
MPA Electrical B3872 Power Brake Booster
⚙️ 37 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$305.74Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
📦Reman Vac Pwr Brake Booster w/o Master Cyl
🚗Fitment: BMW, 318i, 318is, 318ti, 320i, 323i, 323is, 323ti, 325i, 328i, 328is, and Z3
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Power Brake Booster options
MPA Electrical B3872 Power Brake Booster
| Brand | MPA Electrical |
| Part Number | B3872 |
| Position | Reman Vac Pwr Brake Booster w/o Master Cyl |
| 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 | 10.72 |
| Diaphragm Diameter | 272.29 |
| 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 |
This part fits 37 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2002 | BMW | Z3 | 3.0L | L6 | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |
| 2001 | BMW | Z3 | 3.0L | L6 | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |
| 2000 | BMW | 323ti | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |||
| 2000 | BMW | Z3 | 2.8L | L6 | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |
| 1999 | BMW | 318i | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |||
| 1999 | BMW | 318is | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |||
| 1999 | BMW | 318ti | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |||
| 1999 | BMW | 323i | Convertible | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | ||
| 1999 | BMW | 323is | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |||
| 1999 | BMW | 323ti | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |||
| 1999 | BMW | 328i | Convertible | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | ||
| 1999 | BMW | 328is | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |||
| 1999 | BMW | Z3 | 2.8L | L6 | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |
| 1998 | BMW | 318i | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |||
| 1998 | BMW | 318is | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |||
| 1998 | BMW | 318ti | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |||
| 1998 | BMW | 323i | Convertible | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | ||
| 1998 | BMW | 323is | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |||
| 1998 | BMW | 328i | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |||
| 1998 | BMW | 328is | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |||
| 1998 | BMW | Z3 | 2.8L | L6 | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |
| 1997 | BMW | 318i | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |||
| 1997 | BMW | 318is | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |||
| 1997 | BMW | 318ti | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |||
| 1997 | BMW | 328i | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |||
| 1997 | BMW | 328is | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |||
| 1997 | BMW | Z3 | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |||
| 1996 | BMW | 318i | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |||
| 1996 | BMW | 318is | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |||
| 1996 | BMW | 318ti | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |||
| 1996 | BMW | 328i | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |||
| 1996 | BMW | 328is | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |||
| 1996 | BMW | Z3 | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |||
| 1995 | BMW | 318i | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |||
| 1995 | BMW | 318ti | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |||
| 1995 | BMW | 320i | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl | |||
| 1995 | BMW | 325i | N/A | Reman Vac Pwr Brake Booster w/o Master Cyl |
* 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:
3133116296334331162963
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.