Cardone 54-77070 Power Brake Booster
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Cardone
 Vacuum Power Brake Booster

Cardone 54-77070 Power Brake Booster

Brand Cardone 54-77070
Brake Booster Diaphragm Style Single
Color Gray
Diaphragm Diameter (in) 8.679
Diaphragm Diameter (mm) 220.4466
E-Waste No
Master Cylinder Included No
Master Cylinder Stud Thread Size M8 x 1.25
Material Steel
Package Contents Booster; Instruction Manual; M/C Neck Seal
Product Condition Remanufactured
Product line Vacuum Power Brake Booster
Fits Cadillac · 1 vehicle

Remanufactured to match O.E. performance. Re-engineered and tested for reliable fit and function.

Rust-prohibitive finish. Helps extend unit life with added corrosion resistance.

Steel construction. Built with a durable steel housing for dependable service.

Cross-references Cadillac 25845639 for the same application. See all 1.

$167.94Free shipping
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Order total $167.94
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Free returns within 60 days if it doesn't fit when fitment is verified.
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Vacuum Power Brake Booster for 2009 Cadillac XLR

Restore brake assist performance with this Cardone remanufactured vacuum power brake booster, part number 54-77070. Built for the 2009 Cadillac XLR, this unit is re-engineered, tested, and finished to deliver OE-style fit and function for a direct replacement service job.

Key Features

  • Remanufactured to match original equipment performance
  • Single-diaphragm design with an 8.679 in. (220.4466 mm) diaphragm diameter
  • Steel housing with gray finish
  • 100% tested for reliable performance and proper function
  • 100% OE-quality seals and check valves installed on every unit
  • Rust-prohibitive finishing process helps extend service life
  • Master cylinder output rods are pre-adjusted when included for easier installation
  • Guaranteed fit and function

Product Details

Cardone Vacuum Power Brake Booster 54-77070 is part of the Cardone remanufactured brake booster line, which focuses on OE-level performance through re-engineering, inspection, and testing. For the 2009 Cadillac XLR, this vacuum power brake booster is built to support consistent brake pedal assist and dependable stopping response. The package includes the booster, instruction manual, and M/C neck seal. This part cross-references Cadillac 25845639 for the same application.

What It Helps Address

  • Hard brake pedal feel caused by reduced vacuum assist
  • Weak or inconsistent brake boost response
  • Brake assist loss related to booster diaphragm or internal seal wear
  • Fitment issues when replacing a worn booster on a 2009 Cadillac XLR
  • Corrosion-related booster deterioration

Installation Notes

Verify master cylinder stud thread size M8 x 1.25 before installation. This booster does not include a master cylinder. Confirm vacuum line condition, inspect the brake pedal linkage, and follow the supplied instruction manual during replacement. For the 2009 Cadillac XLR, match the existing brake system layout and vehicle configuration before final assembly.

Quality Assurance

Each Cardone remanufactured power brake booster is tested to confirm fit and function before release. The design is reviewed for potential improvements, and applicable upgrades are incorporated to improve durability over the original unit.

This part fits 1 vehicle
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2009CadillacXLRN/AFits vehicles lacking master cylinders.; Vacuum Power Brake Booster
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Cadillac — 25845639