Parker TC Series / Eaton FD35 hydraulic quick coupler pressure relief tool, male and female halves side by side with yellow handles
Close-up of the TC Series relief tool&
TC Series pressure relief tool with both halves connected together for bleeding trapped hydraulic pressure

3/8" TC Series Tractor Relief Tool™ for Eaton FD35 and Parker TC Series High Pressure Couplers

For the hose that won't connect back in, no matter how hard you push.

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Regular price$195.00
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Fit check — make sure this is your coupler

  • Fits Eaton FD35 & Parker TC Series high pressure couplers

✓ FREE US Shipping — ships from California

✓ Right Size Guarantee — wrong size? Easy exchange.

Not sure this is your size? Find your coupler size in about 30 seconds.
No part number? Email us 2 photos of the male coupler end — one from the side, one with a tape measure or calipers across the male coupler end diameter.

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★★★★★

“This product is amazing! I am a Sr. parts manager for a Kubota dealer and my rental department loves this product. They no longer have to get covered in oil every time they try and change the hammer or anything off our skid steers.”
— S.K., Kubota dealer Sr. Parts Manager

Quick answers

Will it fit my coupler?

Each tool is made for one coupler style and one body size, so it isn’t universal. Type the part number stamped on the metal coupler (not the numbers printed on the hose) into our Tool Finder, or measure your coupler.

Do I need the male or female tool?

For flat face couplers, trapped pressure can be in either half, so most customers get both tools. 7241-A, 7241-B and Ag/Pioneer tools already come as a male + female set.

Does oil come out?

Only a little. Turn the plunger until fluid begins to flow, then stop — the trapped pressure is gone. Keep a rag handy.

What if I order the wrong size?

Our Right Size Guarantee covers you: exchange for the correct tool, or a full refund within 30 days. No restocking fee; you cover return shipping. Email relief@relieftool.com.

How fast does it ship?

Shipping is free in the US. Orders ship the next business day by USPS Priority Mail (typically 3–5 business days).

  • ✓Stop fighting pressurized couplers — connect in seconds
  • ✓No more oil all over you, your clothes, or your machine
  • ✓Protect your expensive couplers from damage
  • ✓End the frustration, cussing, and wasted time
  • ✓Pays for itself the very first time you use it
  • ✓You'll wonder how you lived without it!
Old Way With Tractor Relief Tool™
✕ Struggle and swear at pressurized couplers
✕ Get covered in hydraulic oil
✕ Risk damaging expensive fittings
✕ Waste time and get frustrated
✓ Relieve pressure in seconds
✓ Stay clean
✓ Protect your couplers
✓ Get back to work immediately
✓ This tool changed everything

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3/8" TC Series High Pressure Tractor Relief Tool™ for Eaton FD35 Series and Parker TC Series High Pressure Couplers. 3/8" Body. 

Specifically meant to fit:

  • Parker TC Series
  • Female: TC-371
  • Male: TC-372
  • Eaton Aeroquip FD35 Series
  • Set: FD35-1000-06-06
  • Female: FD35-1001-06-06
  • Male: FD35-1002-06-06