HomeBrake > Hardware, Fasteners and FittingsMPA Electrical B5122 Power Brake Booster
Part #: B5122

MPA Electrical B5122 Power Brake Booster

Reman Hyd Pwr Brake Booster w/o Master Cyl
⚙️ 3 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$324.76Free 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 Hyd Pwr Brake Booster w/o Master Cyl
🚗Fitment: Oldsmobile, Cutlass, Cutlass Calais, and Cutlass Supreme
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
MPA Electrical B5122 Power Brake Booster
BrandMPA Electrical
Part NumberB5122
PositionReman Hyd Pwr Brake Booster w/o Master Cyl
Brake Service GradeStandard replacement
Booster TypeHydraulic
Brake Pedal Rod Extension IncludedNo
Master Cylinder IncludedNo
Housing MaterialMetal
Mounting Bracket IncludedNo
Front Seal IncludedNo
Master Cylinder Stud Thread Size (mm)10x1.50
Mounting Stud Quantity2
Product ConditionRemanufactured

This part fits 3 vehicles. Search below:

YearMakeModelFuel TypePositionNotes
1979OldsmobileCutlassDIESELN/AReman Hyd Pwr Brake Booster w/o Master Cyl
1979OldsmobileCutlass CalaisDIESELN/AReman Hyd Pwr Brake Booster w/o Master Cyl
1979OldsmobileCutlass SupremeDIESELN/AReman Hyd 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:

563874

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