HomeBrake > Hardware, Fasteners and FittingsMPA Electrical B3715 Power Brake Booster
Part #: B3715

MPA Electrical B3715 Power Brake Booster

Reman Vac Pwr Brake Booster w/o Master Cyl
29 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Reman Vac Pwr Brake Booster w/o Master Cyl
Fitment: Volvo, C30, C70, S40, and V50
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Vacuum Brake Booster for Volvo Applications

MPA Electrical B3715 is a remanufactured vacuum power brake booster built for Volvo braking systems that need consistent assist and a firm pedal feel. It is engineered for standard replacement use and is supplied without the master cylinder.

Key Features

  • Remanufactured vacuum power brake booster
  • Standard replacement brake service grade
  • 10.7 in. diaphragm diameter for braking assist
  • Brake pedal rod extension included
  • Metal housing construction
  • Master cylinder not included
  • 2 mounting studs with 8 x 1.25 mm master cylinder stud thread size
  • Product condition: remanufactured

Product Details

MPA Electrical B3715 is a reman vac pwr brake booster w/o master cyl designed for Volvo C30, Volvo C70, Volvo S40, and Volvo V50 applications. The vacuum booster design helps transfer pedal input into braking assist with reduced pedal effort, while new replacement and specially treated internal components are used to support vacuum sealing and pressure transfer. Each unit is 100% end-of-line tested with proprietary equipment before release. This part cross-references Volvo OE numbers such as 30736710 and 30748026 for the same application.

What This Part Helps Address

  • Hard brake pedal feel
  • Reduced brake assist from a failing vacuum booster
  • Inconsistent pedal response during braking
  • Vacuum seal loss in the brake booster assembly
  • Brake system performance issues on Volvo C30, C70, S40, and V50 models

Installation Notes

Fits 2007-2013 Volvo C30, N/A; fits 2006-2013 Volvo C70, N/A; fits 2005-2011 Volvo S40, N/A; fits 2005-2011 Volvo V50, N/A. Verify master cylinder transfer, pedal rod setup, and mounting points before installation. This booster does not include the master cylinder, gasket or seal, front seal, or mounting bracket.

Quality Assurance

MPA Electrical subjects each brake booster to 100% end-of-line testing using proprietary test equipment to confirm function before it leaves the remanufacturing process. The brand’s booster program focuses on vacuum seal integrity, pressure transfer, and consistent braking assist.

BrandMPA Electrical
Part NumberB3715
PositionReman Vac Pwr Brake Booster w/o Master Cyl
Brake Service GradeStandard replacement
Booster TypeVacuum
Brake Pedal Rod Extension IncludedYes
Master Cylinder IncludedNo
Gasket Or Seal IncludedNo
Housing MaterialMetal
Diaphragm Diameter10.7
Diaphragm Diameter271.78
Mounting Bracket IncludedNo
Front Seal IncludedNo
Master Cylinder Stud Thread Size (mm)8 x 1.25
Mounting Stud Quantity2
Product ConditionRemanufactured

This part fits 29 vehicles. Search below:

YearMakeModelPositionNotes
2013VolvoC30N/AReman Vac Pwr Brake Booster w/o Master Cyl
2013VolvoC70N/AReman Vac Pwr Brake Booster w/o Master Cyl
2012VolvoC30N/AReman Vac Pwr Brake Booster w/o Master Cyl
2012VolvoC70N/AReman Vac Pwr Brake Booster w/o Master Cyl
2011VolvoC30N/AReman Vac Pwr Brake Booster w/o Master Cyl
2011VolvoC70N/AReman Vac Pwr Brake Booster w/o Master Cyl
2011VolvoS40N/AReman Vac Pwr Brake Booster w/o Master Cyl
2011VolvoV50N/AReman Vac Pwr Brake Booster w/o Master Cyl
2010VolvoC30N/AReman Vac Pwr Brake Booster w/o Master Cyl
2010VolvoC70N/AReman Vac Pwr Brake Booster w/o Master Cyl
2010VolvoS40N/AReman Vac Pwr Brake Booster w/o Master Cyl
2010VolvoV50N/AReman Vac Pwr Brake Booster w/o Master Cyl
2009VolvoC30N/AReman Vac Pwr Brake Booster w/o Master Cyl
2009VolvoC70N/AReman Vac Pwr Brake Booster w/o Master Cyl
2009VolvoS40N/AReman Vac Pwr Brake Booster w/o Master Cyl
2009VolvoV50N/AReman Vac Pwr Brake Booster w/o Master Cyl
2008VolvoC30N/AReman Vac Pwr Brake Booster w/o Master Cyl
2008VolvoC70N/AReman Vac Pwr Brake Booster w/o Master Cyl
2008VolvoS40N/AReman Vac Pwr Brake Booster w/o Master Cyl
2008VolvoV50N/AReman Vac Pwr Brake Booster w/o Master Cyl
2007VolvoC30N/AReman Vac Pwr Brake Booster w/o Master Cyl
2007VolvoC70N/AReman Vac Pwr Brake Booster w/o Master Cyl
2007VolvoS40N/AReman Vac Pwr Brake Booster w/o Master Cyl
2007VolvoV50N/AReman Vac Pwr Brake Booster w/o Master Cyl
2006VolvoC70N/AReman Vac Pwr Brake Booster w/o Master Cyl
2006VolvoS40N/AReman Vac Pwr Brake Booster w/o Master Cyl
2006VolvoV50N/AReman Vac Pwr Brake Booster w/o Master Cyl
2005VolvoS40N/AReman Vac Pwr Brake Booster w/o Master Cyl
2005VolvoV50N/AReman 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:

3073671030736710030748026307480260307930663079306603079341430793414030793418307934180312615923130286531329391868368986836897

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.