HomeBrake > Hardware, Fasteners and FittingsMPA Electrical B1101 Power Brake Booster
Part #: B1101

MPA Electrical B1101 Power Brake Booster

Reman Vac Pwr Brake Booster w/o Master Cyl
⚙️ 57 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$153.68Free 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: Saturn, SC, SC1, SC2, SL, SL1, SL2, SW1, and SW2
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Power Brake Booster for Saturn Vehicles

The MPA Electrical Reman Vac Pwr Brake Booster w/o Master Cyl (Part Number B1101) is designed as a standard replacement for select Saturn models. This remanufactured vacuum power brake booster enhances braking performance by providing consistent pedal assist without including the master cylinder.

Key Features of MPA Electrical B1101 Power Brake Booster

  • Standard replacement grade for dependable brake service
  • Vacuum booster type with a single diaphragm design
  • Metal housing for durability and long service life
  • Diaphragm diameter of 10.55 inches (267.97 mm) for optimal vacuum assist
  • Includes two mounting studs with 10 x 1.50 mm master cylinder stud thread size
  • Remanufactured product condition ensuring quality restoration

Detailed Description of the Reman Vac Pwr Brake Booster w/o Master Cyl

This MPA Electrical power brake booster is engineered to restore proper brake pedal feel and assist for Saturn models including SC, SC1, SC2, SL, SL1, SL2, SW1, and SW2. The vacuum booster uses a single diaphragm to amplify the force applied to the brake pedal, reducing driver effort and improving braking response. The metal housing provides structural integrity, while the remanufactured condition ensures the booster meets original equipment specifications. Note that this unit does not include the master cylinder, gasket, seal, or mounting bracket, so these components must be sourced separately if needed.

The Reman Vac Pwr Brake Booster w/o Master Cyl product line focuses on providing reliable remanufactured vacuum boosters without master cylinders, catering to customers who require a replacement booster only. This approach allows for flexibility in brake system repairs and maintenance, especially for vehicles where the master cylinder remains in good condition.

Common Applications and Issues Addressed

  • Restores brake pedal assist for Saturn SC and SL series vehicles
  • Replaces faulty or leaking vacuum brake boosters
  • Eliminates hard brake pedal problems caused by booster failure
  • Improves braking consistency and driver control
  • Addresses vacuum leaks affecting brake performance

Installation Notes and Tips

  • Compatible with Saturn SC, SC1, SC2, SL, SL1, SL2, SW1, and SW2 models
  • Ensure master cylinder compatibility as it is not included
  • Verify mounting stud alignment and thread size (10 x 1.50 mm)
  • Inspect vacuum lines and connections during installation
  • Professional installation recommended for safety and performance

Quality Assurance and Warranty Information

The MPA Electrical B1101 power brake booster is remanufactured to meet or exceed OEM standards, ensuring reliable operation and durability. While specific warranty details are not provided, remanufactured parts typically come with limited warranties covering defects in materials and workmanship. Confirm warranty terms with the supplier prior to purchase.

BrandMPA Electrical
Part NumberB1101
PositionReman Vac Pwr Brake Booster w/o Master Cyl
Brake Service GradeStandard replacement
Booster TypeVacuum
Brake Pedal Rod Extension IncludedNo
Diaphragm TypeSingle
Master Cylinder IncludedNo
Gasket Or Seal IncludedNo
Housing MaterialMetal
Diaphragm Diameter10.55
Diaphragm Diameter267.97
Mounting Bracket IncludedNo
Front Seal IncludedNo
Master Cylinder Stud Thread Size (mm)10 x 1.50
Mounting Stud Quantity2
Product ConditionRemanufactured

This part fits 57 vehicles. Search below:

YearMakeModelPositionNotes
1999SaturnSC1N/AReman Vac Pwr Brake Booster w/o Master Cyl
1999SaturnSC2N/AReman Vac Pwr Brake Booster w/o Master Cyl
1999SaturnSLN/AReman Vac Pwr Brake Booster w/o Master Cyl
1999SaturnSL1N/AReman Vac Pwr Brake Booster w/o Master Cyl
1999SaturnSL2N/AReman Vac Pwr Brake Booster w/o Master Cyl
1999SaturnSW1N/AReman Vac Pwr Brake Booster w/o Master Cyl
1999SaturnSW2N/AReman Vac Pwr Brake Booster w/o Master Cyl
1998SaturnSC1N/AReman Vac Pwr Brake Booster w/o Master Cyl
1998SaturnSC2N/AReman Vac Pwr Brake Booster w/o Master Cyl
1998SaturnSLN/AReman Vac Pwr Brake Booster w/o Master Cyl
1998SaturnSL1N/AReman Vac Pwr Brake Booster w/o Master Cyl
1998SaturnSL2N/AReman Vac Pwr Brake Booster w/o Master Cyl
1998SaturnSW1N/AReman Vac Pwr Brake Booster w/o Master Cyl
1998SaturnSW2N/AReman Vac Pwr Brake Booster w/o Master Cyl
1997SaturnSC1N/AReman Vac Pwr Brake Booster w/o Master Cyl
1997SaturnSC2N/AReman Vac Pwr Brake Booster w/o Master Cyl
1997SaturnSLN/AReman Vac Pwr Brake Booster w/o Master Cyl
1997SaturnSL1N/AReman Vac Pwr Brake Booster w/o Master Cyl
1997SaturnSL2N/AReman Vac Pwr Brake Booster w/o Master Cyl
1997SaturnSW1N/AReman Vac Pwr Brake Booster w/o Master Cyl
1997SaturnSW2N/AReman Vac Pwr Brake Booster w/o Master Cyl
1996SaturnSC1N/AReman Vac Pwr Brake Booster w/o Master Cyl
1996SaturnSC2N/AReman Vac Pwr Brake Booster w/o Master Cyl
1996SaturnSLN/AReman Vac Pwr Brake Booster w/o Master Cyl
1996SaturnSL1N/AReman Vac Pwr Brake Booster w/o Master Cyl
1996SaturnSL2N/AReman Vac Pwr Brake Booster w/o Master Cyl
1996SaturnSW1N/AReman Vac Pwr Brake Booster w/o Master Cyl
1996SaturnSW2N/AReman Vac Pwr Brake Booster w/o Master Cyl
1995SaturnSC1N/AReman Vac Pwr Brake Booster w/o Master Cyl
1995SaturnSC2N/AReman Vac Pwr Brake Booster w/o Master Cyl
1995SaturnSLN/AReman Vac Pwr Brake Booster w/o Master Cyl
1995SaturnSL1N/AReman Vac Pwr Brake Booster w/o Master Cyl
1995SaturnSL2N/AReman Vac Pwr Brake Booster w/o Master Cyl
1995SaturnSW1N/AReman Vac Pwr Brake Booster w/o Master Cyl
1995SaturnSW2N/AReman Vac Pwr Brake Booster w/o Master Cyl
1994SaturnSC1N/AReman Vac Pwr Brake Booster w/o Master Cyl
1994SaturnSC2N/AReman Vac Pwr Brake Booster w/o Master Cyl
1994SaturnSLN/AReman Vac Pwr Brake Booster w/o Master Cyl
1994SaturnSL1N/AReman Vac Pwr Brake Booster w/o Master Cyl
1994SaturnSL2N/AReman Vac Pwr Brake Booster w/o Master Cyl
1994SaturnSW1N/AReman Vac Pwr Brake Booster w/o Master Cyl
1994SaturnSW2N/AReman Vac Pwr Brake Booster w/o Master Cyl
1993SaturnSC1N/AReman Vac Pwr Brake Booster w/o Master Cyl
1993SaturnSC2N/AReman Vac Pwr Brake Booster w/o Master Cyl
1993SaturnSLN/AReman Vac Pwr Brake Booster w/o Master Cyl
1993SaturnSL1N/AReman Vac Pwr Brake Booster w/o Master Cyl
1993SaturnSL2N/AReman Vac Pwr Brake Booster w/o Master Cyl
1993SaturnSW1N/AReman Vac Pwr Brake Booster w/o Master Cyl
1993SaturnSW2N/AReman Vac Pwr Brake Booster w/o Master Cyl
1992SaturnSCN/AReman Vac Pwr Brake Booster w/o Master Cyl
1992SaturnSLN/AReman Vac Pwr Brake Booster w/o Master Cyl
1992SaturnSL1N/AReman Vac Pwr Brake Booster w/o Master Cyl
1992SaturnSL2N/AReman Vac Pwr Brake Booster w/o Master Cyl
1991SaturnSCN/AReman Vac Pwr Brake Booster w/o Master Cyl
1991SaturnSLN/AReman Vac Pwr Brake Booster w/o Master Cyl
1991SaturnSL1N/AReman Vac Pwr Brake Booster w/o Master Cyl
1991SaturnSL2N/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:

21010181

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