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4L80E GM Transmission - Patriot (Gas Engines)

Retail: $2,299.00
Price: $1,899.00
You Save: $400.00 (17.4%)
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    This remanufactured 4L80E Merica Patriot Transmission comes with a matching torque converter, ready to install!


    Dyno Tested
    3yr Warranty
    Free Torque Converter
    Fast & Easy Core Return

    Our Patriot 4L80E is rated for engines producing up to 325hp/300tq

    Your 4L80E is dyno tested for your peace of mind and ready to ship!

    The Merica Patriot 4L80E retains its factory shift pattern and is a great option for stock vehicles that still want a stronger, longer lasting transmission than a regular OEM replacement. Merica's Patriot transmissions have a normal shift pattern for ease of driving, but are much more durable than a factory OEM replacement. This model has the option for gas or diesel applications.

    The 4L80E is compatible with Chevy style GM engines, it requires a transmission controller, the controller may be factory-integrated with the PCM as on 1991-1999 TBI & Gen II engines, with the 1999-2007 Gen III engines, or the 2007+ Gen IV engines. Or, the controller can be an external GM or aftermarket unit designed for earlier engines.

    Gen IV style 4L80's do not mix and match well, as they have an integrated Transmission Control Module and require a CAN bus network signal to a properly matched engine.

    The 4L80E Transmission features:

    The latest american technology in our industry with the best machined internal components for the best strength and dependability. All Merica Patriot units are thoroughly inspected by hand, blue printed and machine dyno tested to ensure that your 4L80E transmission operates flawlessly! Whether its your daily driver or street and strip.

    Upgraded & Replaced Internal Components:

    Precision Master Overhaul Kit
    Superior High Performance Reprogramming Kit
    Heavy Duty Front Kevlar Band
    Heavy Duty Rear Band
    Recalibrated Valvebody
    Recalibrated Valve Plate for Shift Firmness
    New Electronics
    Heavy Duty 34 Element Sprag
    Forward/Direct Clutch Kit
    New High Flow Filter