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Upgrade & Restore Your Tire Changer's Pneumatic Air Flow

The 1"/4"-28" Grease Fitting is a premium pneumatic connector designed to direct compressed air flow reliably to foot pedal control valves, air manifolds, and cylinder assemblies inside professional tire changers.

Corrosion from moisture in shop air lines can cause brass fittings to crack or leak. This direct-replacement fitting ensures a perfect, leak-proof pneumatic seal to maintain constant system pressure (up to 175 PSI).

Machine Location:

This fitting threads directly into the pneumatic foot pedal control valves, main air regulator, or helper arm valves.

Key Features & Specifications

  • Machined Solid Brass: Forged and machined from corrosion-resistant solid brass to tolerate continuous moisture.
  • Precision Tapered Threads: Tapered NPT or fine threads ensure tight metal-to-metal sealing under pressure.
  • Low-Profile Design: Fits neatly into the compact valve spacing inside the cabinet to prevent interference with linkages.

Complete Machine Compatibility

This universal replacement part is documented and verified to fit the following Coats® equipment models:

  • Coats 50/60/70/80/90 X-Model Series Tire Changer
  • Coats 7Xxx Series Tire Changer (Prior 2010)
  • Coats APX Rim Clamp Tire Changer
  • Coats Gts50, Gts60, Gts70 And Gts-90 Rim Clamp Tire Changers
  • Coats Kit 8184045, Robo Arm
  • Coats Kit 85000497, Roboroller Arm
  • Coats Kit 85009937 Robo-Arm
  • Coats Kit 8560761701 Robo-Arm Lr
  • Coats Pit Tire Changer
  • Coats RC-45 A/E, RC-55 A/E Tire Changer
  • Coats Rc200Ex, Rc150Ex Tire Changer
  • Coats Roboroller Accessory Installation With

Frequently Bought Together / Related Parts

These drawing-adjacent parts connect directly next to this part on your parts breakdown and assembly drawings:

🔧 Pro Installer Tip:

Never over-torque brass fittings into aluminum valve bodies! Wrap the male threads in 2 wraps of Teflon tape or apply liquid thread sealant, thread until hand-tight, then snug down 1 to 1.5 additional turns with a wrench to align.


Alternative / Cross-Reference Part Numbers: SVI BW-1242-26 | Coats 8184226 | Distributor AM8184226

AMMCO and COATS are registered trademarks of The Coats Company. AEPN Inc. is not associated in any way with The Coats Company, Inc. Any names, symbols, numbers, and descriptions are used for reference purposes only. It is not implied that any part listed is the product of these manufacturers.

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