Honda Civic Engine Control Unit 37820-RRF-Q53 – OEM ECU 4737-101440

The 37820-RRF-Q53 Engine Control Unit, also referenced as 4737-101440, is a genuine OEM ECU designed for select Honda Civic models.

This ECU acts as the brain of the engine management system, controlling fuel injection, ignition timing, air-fuel ratio, and emissions. Built to Honda’s factory specifications, it ensures smooth performance, improved fuel efficiency, and long-term reliability.

Replacing a faulty ECU with the correct OEM unit restores engine functionality and prevents performance issues.

Product Specifications

• Part Number: 37820-RRF-Q53
• Alternate Number: 4737-101440
• Vehicle: Honda Civic
• Engine Type: Petrol (varies by variant)
• Transmission: Automatic / Manual (depending on model)
• Condition: Genuine OEM – Fully Tested Used Unit
• Warranty: 30 Days
• Shipping: Worldwide with tracking

Compatibility Table – Honda Civic ECU 37820-RRF-Q53

Compatibility may vary depending on VIN, region, and trim level. Always match part number 37820-RRF-Q53 before purchase.

What Does the ECU Control?

The Engine Control Unit manages:

• Fuel injection timing
• Ignition timing
• Air-fuel mixture balance
• Idle speed control
• Emissions system
• Sensor communication (O2, MAP, TPS, etc.)

A properly functioning ECU ensures efficient engine performance and smooth driving.

Common Symptoms of a Faulty ECU

• Check Engine Light ON
• Engine not starting or stalling
• Poor fuel economy
• Rough idle
• Engine misfire
• Loss of power
• Communication errors with diagnostic tools

Replacing the ECU with a genuine OEM unit typically resolves these issues.

Why Buy from Automan Spare Parts?

Automan Spare Parts is a trusted global supplier of genuine OEM automotive electronic modules.

What You Get:

• 100% Genuine OEM Honda ECUs
• Fully Tested and Verified Units
• Competitive Wholesale Pricing
• Fast Worldwide Shipping
• Tracking Provided
• 30-Day Warranty
• Expert Compatibility Support

We specialize in ECUs, TCMs, BCMs, and hybrid modules for Japanese vehicles.

Installation & Programming Notes

This ECU may require:

• Immobilizer synchronization
• Key programming
• ECU reset or coding
• Diagnostic scan tool setup

Professional installation is highly recommended.

Order Honda Civic ECU 37820-RRF-Q53 Today

Restore your vehicle’s performance with a Genuine OEM Honda Civic Engine Control Unit 37820-RRF-Q53 / 4737-101440 from Automan Spare Parts.

Contact us with your VIN or ECU image to confirm compatibility before ordering.

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