Harbor Freight Tools


Pneumatic Brake Fluid Bleeder with Auto-Refill Kit

Save money by flushing and refilling your brake system from home

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BIKEMASTER WH-507M at $44.17 Save 28%

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This brake fluid bleeder works with your air compressor to make brake bleeding an easy one-person job. Flush and refill the entire brake system by yourself with consistent controlled air pressure.

  • Convenient one-person operation
  • Flush and refill entire brake system
  • Works on disc or drum brakes
  • Auto-refill kit uses gravity to automatically refill the master cylinder with brake fluid during usage
  • Adapters for most master cylinder reservoirs

Important Information

  • Use only DOT certified brake fluid

92924, 61912
Accessories Included
auto-refill kit for new fluid, reservoir for used fluid and four master cylinder adapters
Air inlet size
1/4 in-18 NPT
Container size
34 oz.
Shipping Weight
1.50 lb.
25/32 in. to 1-7/32 in. diameter (21 To 30mm), 31/32 in. to 1-1/4 in. diameter (24 To 32mm), 1-3/32 in. to 1-15/32 in. (28 To 37mm), 1-1/4 in. to 1-19/32 in. (32 To 41mm)
Working pressure (psi)
90 to 120 PSI
Note: Specifications are approximate and subject to change

We guarantee this product to be free from defects in materials and workmanship 90 days from the date of purchase. Limitations apply.