HomeCardone 2C-4638B Disc Brake Caliper - Front Left
Part #: 2C-4638B

Cardone 2C-4638B Disc Brake Caliper - Front Left

Unloaded Caliper, Front Left
6 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Unloaded Caliper, Front Left
Fitment: Buick, Chevrolet, and Pontiac, LeSabre, Park Avenue, Impala, Monte Carlo, and Bonneville
Easy Returns — Return within 60 days for a full refund
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Overview of Cardone Unloaded Caliper 2C-4638B

The Cardone Unloaded Caliper 2C-4638B is designed for reliable braking performance on select Buick, Chevrolet, and Pontiac models. This new disc brake caliper is engineered to meet OEM specifications, ensuring compatibility and durability for vehicles like the Buick LeSabre, Chevrolet Impala, and Pontiac Bonneville.

  • Brand: Cardone
  • Brand Line: Unloaded Caliper
  • Part Number: 2C-4638B
  • Caliper Finish: Zinc plating for corrosion resistance
  • Caliper Color: Silver
  • Piston Material: Steel, single piston design
  • Piston Size: 2.497 inches (63.42 mm) outer diameter
  • Bleeder and Inlet Port Size: M10x1.5
  • Installation Hardware Included (excluding mounting bolts)
  • Package Contents: Caliper, instruction sheet, bracket, hardware kit
  • Condition: New

Product Line Details: Cardone Unloaded Caliper

The Cardone Unloaded Caliper product line offers disc brake calipers without brake pads included, allowing for flexible installation with existing or aftermarket pads. The 2C-4638B model features a zinc-plated finish to resist corrosion and a steel piston for consistent braking force. This line is suitable for professional repairs and maintenance on compatible GM vehicles.

Detailed Product Description

This Cardone disc brake caliper is designed specifically for select Buick, Chevrolet, and Pontiac vehicles, including the Chevrolet Monte Carlo and Buick Park Avenue. The caliper features a single steel piston with a 2.497-inch diameter, providing reliable hydraulic pressure for effective braking. The zinc plating on the caliper body enhances corrosion resistance, extending the service life of the component. Both the bleeder and inlet ports are sized M10x1.5, matching OEM specifications for straightforward installation. The package includes the caliper, bracket, hardware kit, and an instruction sheet, though mounting bolts and brake pads are not included.

Common Applications and Issues Addressed

  • Replacement for worn or leaking calipers on Buick LeSabre and Chevrolet Impala
  • Restores proper hydraulic pressure for consistent braking performance
  • Addresses caliper corrosion and piston seizure problems
  • Solves uneven brake pad wear due to caliper malfunction
  • Improves brake pedal feel and responsiveness on Pontiac Bonneville

Installation Notes and Tips

  • Ensure compatibility with your vehicle’s make and model before installation
  • Use the included hardware kit and bracket for secure mounting
  • Bleeder and inlet ports require M10x1.5 fittings; verify hose connections
  • Mounting bolts are not included; reuse OEM bolts or source separately
  • Follow the instruction sheet carefully for proper brake bleeding and setup

Quality Assurance and Warranty

The Cardone Unloaded Caliper 2C-4638B is a new, professionally remanufactured part built to meet or exceed OEM standards. Cardone provides quality assurance through rigorous testing and inspection processes. Warranty coverage details should be confirmed at the point of purchase, as they may vary by distributor.

BrandCardone
Part Number2C-4638B
PositionUnloaded Caliper, Front Left
Bleeder Port SizeM10x1.5
Brake Caliper FinishZinc plating
Caliper ColorSilver
E-WasteNo
Inlet Port SizeM10x1.5
Installation Hardware IncludedYes
Mounting Bolts IncludedNo
Package ContentsCaliper;Instruction Sheet; Bracket; Hardware Kit
Pads IncludedNo
Piston MaterialSteel
Piston Size (OD) (in)2.497
Piston Size (OD) (mm)63.42
Product ConditionNew

This part fits 6 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2005BuickLeSabreFront Leftwith 15" Wheels; with Metal Piston; Supplied with Mounting Bracket; Installation Hardware Included; Unloaded Caliper
2005BuickPark AvenueFront LeftMetal piston, mounting bracket, and installation hardware included.; Unloaded Caliper
2005ChevroletImpalaFront LeftGM Brake Code JB9; with Metal Piston; Supplied with Mounting Bracket; Installation Hardware Included; Unloaded Caliper
2005ChevroletMonte CarloFront LeftMetal piston, mounting bracket, and installation hardware included.; Unloaded Caliper
2005PontiacBonnevilleSLEFront LeftMetal piston, mounting bracket, and installation hardware included.; Unloaded Caliper
2004PontiacBonnevilleSLEFront LeftMetal piston, mounting bracket, and installation hardware included.; Unloaded Caliper

* 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:

18046196

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