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Earls Straight Transmission Adapter -6 Male to 9/16-18 Threads - Long (Rear)

Earls Transmission Adapter, One Adapter w/ O-ring Seal Fits 4L80E (Some 2009 & Later) w/ 9/16-18 threads - Long (Rear), Nickel Plated Steel

PART# 961983ERL

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There are always clearance challenges when doing an engine swap. One of these is routing the transmission cooler lines off the side of the transmission while cleaning the trans tunnel. Earl's makes this easier with their line adapters. Integrating into the GM transmission and adapting to AN lines allows additional clearance and freedom that the original hard lines cannot. Adapters are available for the popular GM Transmissions 4L80E (Fits Transmissions w/ 9/16-18 Threads Long/Rear). Order Two adapters (one short for the front and one long for the rear to match the threads on your transmission). The thread size varies depending on the application.


  • Nickel Plated Steel Construction
  • High Pressure Capabilities
  • Available for Any Plumbing Situation And Many Custom Applications.


Adapter AN Size ( A )6 AN MALE
Adapter NPT Size ( B )9/16-18 MALE
Adapter TypeTransmission Cooler
Emission Code5
Product TypeTransmission Cooler
Part Number961983ERL



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.

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