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Product Information
2006-2011 Honda Civic JDM R18A | 1.8L Automatic 5 Speed 2WD Transmission R18A1 R18A2
| Feature | Detail |
| Transmission Type | 5-Speed Automatic (Grade Logic Control) |
| Drivetrain | Front-Wheel Drive (FWD) |
| Condition | Used JDM Import (Low Mileage) |
| Engine Compatibility | 1.8L R18A1 / R18A2 |
| Mileage | Approx. 50K Miles |
| Chassis Compatibility | FA1, FG1 (8th Generation) |
This transmission serves as a direct replacement for the following North American models:
Honda Civic Sedan (DX, LX, EX, EX-L): 2006, 2007, 2008, 2009, 2010, 2011
Honda Civic Coupe (DX, LX, EX, EX-L): 2006, 2007, 2008, 2009, 2010, 2011
Compatibility Note: Specifically for the 1.8L Non-Hybrid models. It will not fit the 2.0L Civic Si (which uses a manual or different auto casing) or the Civic Hybrid (CVT).
To ensure 100% OBDII compliance and a seamless swap, professional Honda technicians recommend these "External Component" steps:
Solenoid & Sensor Transfer: You must transfer your original USDM Shift Solenoids and Transmission Sensors to the JDM unit. JDM electrical plugs can vary by year and region; using your original electronics ensures the ECU recognizes the components instantly and prevents "Check Engine" lights or shift codes.
External Oil Cooler/Filter: The 8th-Gen Civic features an external inline transmission filter located on top of the transmission. It is mandatory to replace this filter and flush the cooler lines during installation to prevent old debris from contaminating your JDM replacement.
Neutral Safety Switch: Reuse your original USDM Neutral Safety Switch (Range Sensor). This ensures your dashboard gear indicator and starting circuit function correctly.
Fluid Requirements: Use only high-quality Honda Genuine ATF DW-1. Do not use older Z1 fluid or generic multi-vehicle fluids, as the R18A transmission is highly sensitive to fluid friction modifiers.
SHIPPING:All Star JDM offers specialized shipping with surcharges for services like liftgate delivery. They promise same-day shipping for orders before 1 PM PST, with next-day dispatch for later orders. Shipping is within the 48 contiguous states, with special arrangements for other US territories. Customers receive tracking numbers and are responsible for return shipping costs. Queries can be directed to their customer service. Shipping policy acceptance is required.
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