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Earls Clutch Adapter Fitting - Late

-4AN Male to OEM Late Model Ford/GM/Chrysler Clutch Master Cylinder & Clutch Release Bearings

PART# 652504ERL

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The clutch system on most late-model vehicles use a plastic clutch hose that is tough to modify when doing an engine swap. The OEM plastic hose can expand and may not work correctly in high heat, high pressure, or with a racing clutch. These special stainless steel adapter fittings works with most late-model master cylinders, hydraulic clutch release bearings, and slave cylinders. The plastic OEM hose is eliminated and replaced w/ PTFE lined AN -4 hose (use Earls Speed-Flex hose). Use (2) adapters when using both the OEM master cylinder and hydraulic release bearing (or slave cylinder). Use (1) adapter for custom clutch plumbing systems that use either OEM master cylinder or OEM clutch release bearing (or slave cylinder). Check your OEM hose and choose an Early or Late style adapter. Sold Individually. Fits: Most 2005 & Up Ford, Most 2010 & up GM Vehicles, and Most 2007 & Up Jeep/Mopar Vehicles. Also fits many other Late Model Vehicles. Retained by C-Clip.


  • Adapter Converts OEM Master Cylinders, Clutch Release Bearings & Slave Cylinders to use AN 4 PTFE Lined Hose
  • Fits: Most Late Model GM/Ford/Jeep/Mopar Clutch Master Cylinders, Slave Cylinders & Hydraulic Release Bearings
  • Allows Replacement of the OEM Plastic Clutch Hose – Use w/ HP Clutches, Racing & High Heat Applications
  • Improved Pedal Feel w/ Braided Stainless Steel PTFE Clutch Hose (Speed Flex/Speed Seal – Instead of Plastic Hose)
  • Ideal for Engine Swaps & Vehicles That Use After-Market Master Cylinders w/ the OEM Clutch Release Bearing
  • Use w/ Earls AN -4 Speed-Seal/Speed-Flex Hose – or Premade Speed-Flex PTFE Lined Hose
  • Material: 304 Stainless Steel
  • EPDM O-Ring
  • Fitting is Retained by C-Clip (Reuse Factory C-Clip)


Adapter AN Size ( A )4 AN MALE
Adapter TypeClutch
Emission Code5
MaterialStainless Steel
O-Ring MaterialEPDM
Product TypeClutch Adapter
Part Number652504ERL



This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Tech Resources

Use w/ AN 4 PTFE Lined Hose Suitable for High Pressure Applications (i.e. Earls Speed Flex or Similar Hose).


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