Product Overview
- Transmission Type: 5-speed fully synchronized manual
- Condition: OEM used, gear tested and inspected
- Availability: Multiple year ranges and bell-housing variants in stock
- Shipping: Free crated freight to all 50 states, 5 to 10 business days
- Gear tested through all 5 forward gears and reverse before shipping
- Bell-housing pattern confirmed before shipping (7M, 1JZ, 2JZ compatible)
- Synchronizer operation verified
- Input shaft length and spline count documented
- 100% fitment verified before every order ships
- Zero core charge required, your existing transmission stays with you
- Backed by a 15 day replacement warranty against internal defects
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At a Glance
- Condition: OEM used analog anti-theft immobilizer unit, electrical function tested, connector or pigtail harness integrity verified, mounting features inspected
- Availability: In stock for classic Mercury Grand Marquis and Marquis family applications
- Shipping: Free shipping to all 50 states, 3 to 7 business days
- Application: Mercury Grand Marquis and Marquis family, 1979 and earlier US market - classic Mercury full-size sedan analog ignition applications
- Analog anti-theft interrupt: Vintage-era analog electrical circuit anti-theft interrupt system - fundamentally different from modern electronic PATS (Passive Anti-Theft System) transponder-key systems
- NOT compatible with post-1980 vehicles: Different ignition system architecture post-1980 makes this unit incompatible with 1980+ Grand Marquis / Marquis applications per the source data
- Vintage-style connector: Includes vintage-style connector or pigtail harness appropriate for classic Mercury analog electrical systems
- Panther platform predecessor context: The classic Mercury Grand Marquis was part of Mercury's full-size sedan lineage that later evolved into the famous Panther platform Grand Marquis (1979+, closely related to the Ford Crown Victoria)
- Related classic Mercury: See our related Mercury Monarch gas tank listing for classic Mercury heritage context
- Other vintage analog-ignition vehicle compatibility possible: Call to confirm circuit match for other classic vehicles
- 15 day replacement warranty on component defects, classic-vehicle disclosure applies



