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90 Days Warranty
90-day warranty for non-performance engines, 30 days for performance. Covers internal parts, excludes labor. Read more

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Product Information
2018-2022 Honda Accord K20C4 JDM Engine | 2.0L Inline-4 Cylinder DOHC i-VTEC Turbo Motor
| Feature | Details |
| Engine Code | K20C4 (Turbocharged) |
| Displacement | 2.0 Liters (1,996 cc) |
| Configuration | Inline 4-Cylinder DOHC |
| Valvetrain | 16-Valve i-VTEC (Intake/Exhaust) |
| Horsepower | 252 hp @ 6,500 rpm |
| Torque | 273 lb-ft @ 1,500–4,000 rpm |
| Compression Ratio | 9.8:1 |
| Induction | Single-Scroll Turbocharger |
This JDM K20C4 long block is designed for the following North American (USDM) models:
2018-2022 Honda Accord Sport 2.0T (6-Speed Manual or 10-Speed Auto)
2018-2022 Honda Accord Touring 2.0T (10-Speed Auto)
2021-2022 Honda Accord Sport Special Edition (2.0L Models)
The K20C4 is a high-tech Earth Dreams engine. To ensure a successful installation and protect your investment, please follow these technical guidelines:
Long Block Conversion: This sale includes the engine block and cylinder head (Long Block). You must transfer your original USDM turbocharger, intake manifold, exhaust manifold, and wiring harness. This ensures 100% plug-and-play compatibility with your vehicle's ECU and sensors.
Fuel System: High-pressure direct injection is sensitive to debris. We recommend using your original USDM high-pressure fuel pump and injectors if they are in known-good condition to maintain correct fuel mapping.
Turbo Cooling: Before mounting your turbocharger to the replacement engine, flush all oil and coolant feed lines to prevent contamination of the turbo bearings.
Essential Maintenance: We strongly recommend replacing the following during the swap:
Spark Plugs: Use only high-heat range NGK Laser Iridium plugs (DILKAR8P8SY).
Engine Oil: 0W-20 Full Synthetic Oil (Genuine Honda/Acura preferred).
Coolant: Honda Type 2 Blue Long Life Coolant.
ECU Reset: After installation, a professional scan tool must be used to perform a "Crank Pattern Learn" (CKP) and clear all adaptation values. This allows the ECU to sync perfectly with the new engine’s rotating assembly.
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SHIPPING: JDM Seattle 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.