Mastercool 43050 Caliper Wind Back Tool Kit, Air-Powered Brake, 3/8" Drive, 15 Pieces

Mastercool 43050 Caliper Wind Back Tool Kit, Air-Powered Brake, 3/8" Drive, 15 Pieces

• The Mastercool 43050 is an air-powered wind-back tool kit for single-piston rear brake calipers; includes 15 adapters, magnetic base, durable anodized aluminum body, and 3/8-inch drive adapter surface. Designed for reversing pistons left or right handed, saving time and effort.
• Features:
  • Pneumatic single-piston press shaft with non-impact operation to allow one technician to wind back pistons swiftly without manual crank effort.
  • Left- or right-hand wind-back operation to accommodate calipers with differing thread directions.
  • Magnetic base holds press adapters securely when not in use, keeping them organized and reducing chance of loss.
  • The shaft is chrome alloy steel with O-ring protection and a protective rubber guard to prevent damage to caliper surfaces.
• Includes:
  • Air-powered wind back tool body / piston press shaft
  • 15 distinct press adapters (sizes/types covering most single-piston rear brake calipers)
  • Magnetic base for adapters
  • 3/8 inch drive adapter surface for leveraging ratchet/socket attachments if needed
• Specifications:
  • Manufacturer: Mastercool
  • Part Number: 43050
  • Number of Pieces: 15 adapters + tool body
  • Drive / Adapter Surface: 3/8 inch drive compatible surface
  • Body Material: Lightweight anodized aluminum
  • Shaft Material: Chrome alloy steel with O-ring protection
  • Finish / Protective Layers: Anodized aluminum; rubber guard on shaft; chrome on central shaft parts where applicable
  • System Compatibility: Universal fit for most single-piston rear brake calipers; covers many domestic and import vehicles; works left-hand and right-hand wind back pistons; replaces manual rewind tools in many caliper repair scenarios.
• The Mastercool 43050 can also be referred to as Mastercool brake caliper wind back kit 43050, air powered caliper wind-back tool with adapters, pneumatic brake caliper rewind kit, Mastercool 15-piece brake piston wind back set, and Mastercool air caliper windback universal adapter set

Mastercool is a family-owned manufacturer of professional HVAC/R and automotive A/C service tools and equipment, including manifolds, gauges, vacuum pumps, recovery units, leak detectors, and fittings.

Q: What does "left- or right-hand wind-back operation" mean in this kit?
A: It means the tool's internal mechanism can reverse piston threads in either direction, so it works with calipers that require counter-clockwise or clockwise winding depending on vehicle make.

Q: Will this kit fit my vehicle's caliper?
A: If your vehicle uses a single piston rear brake caliper and the adapter sizes included (15 distinct press adapters) match the adapter profile, then yes; vehicles across GM, Toyota, Honda, Ford, many European makes are covered. Best to compare adapter shapes to your caliper before purchase.

Q: How does using this air powered tool compare to manual wind-back tools?
A: The air powered model uses a pneumatic piston to push the caliper piston back, reducing manual effort; magnetic base keeps adapters organized; speed and consistency are generally better, though you'll need an air supply.