VVT Oil Control Valve / VTEC Solenoid Spool – Fits Acura RSX, RDX, Honda Accord, Civic Si, CR-V, Element – OEM 15810-RAA-A03 / 15810-RAA-A01

Description

✅ Product Overview

The VVT (Variable Valve Timing) Oil Control Valve / VTEC solenoid spool regulates oil flow to the camshaft phaser, ensuring precise valve timing for optimum power and fuel efficiency.
A faulty valve can lead to rough idle, loss of power, poor fuel economy or engine fault codes (e.g. P2646 / P2647).
This OE-spec replacement matches part numbers 15810-RAA-A03 / 15810-RAA-A01 / 15810-RAA-A02 / 15810-PNE-G01, offering factory-level reliability at a competitive price.

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⚙️ Key Features & Benefits

• OE-spec design & direct replacement – no wiring or modifications needed

• Precision-machined spool valve for consistent oil-pressure control

• High-grade materials resist wear, sludge build-up and corrosion

• Improves throttle response, fuel economy and emissions compliance

• Restores smooth VTEC engagement at the correct RPM range

• Easy bolt-on installation – supplied brand-new & fully tested

• Backed by 12-month warranty

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🛠️ Technical Specifications

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🚗 Vehicle Compatibility

(Always confirm OEM part number before ordering.)

• Acura RSX – 2002-2006 (Base / L-models only)

• Acura RDX – models using listed OE numbers

• Honda Accord – 2003-2007 (2-door Coupe & 4-door Sedan)

• Honda Civic Si – 2002-2005 (Si models only)

• Honda CR-V – 2002-2009 (all models)

• Honda Element – 2003-2011 (all models)

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🟩 FAQ – Common Questions about VVT / VTEC Solenoid Valves

🔎 1. What are the symptoms of a failing VVT oil control valve?

• Check-engine light with codes P2646 / P2647 or similar

• Rough idle, hesitation or reduced power at mid-range RPM

• Poor fuel economy and sluggish acceleration

• VTEC not engaging or delayed cam-timing response

• Occasional oil leaks around the solenoid housing

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🔎 2. Will replacing this valve restore performance?

Yes – if the fault codes or symptoms were caused by a worn or clogged valve, replacing it typically restores correct VTEC operation, throttle response and fuel efficiency.

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🔎 3. Does the valve come with a new gasket / filter screen?

Most units are supplied with an integrated mesh screen & O-ring seal.
Always inspect the old gasket and replace the O-ring if damaged to prevent leaks.

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🔎 4. Can I install the valve myself?

If you have basic mechanical skills and hand tools, this is a straightforward bolt-on job.
Make sure the engine is cool, disconnect the battery, and torque bolts to spec.
For persistent error codes or heavy oil sludge, have a professional check oil passages.

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🔎 5. Do I need to change engine oil after installation?

Fresh, clean oil of the correct viscosity is crucial for VVT/VTEC operation.
If the old oil is dirty or overdue for service, it’s recommended to change oil and filter at the same time.

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🔎 6. Is this valve compatible with other Honda / Acura engines?

It’s designed for the listed K-series and related engines that use the 15810-RAA-A0x part family.
Check your VIN or existing valve’s part number before purchase.

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💡 Pro Tip

Using the manufacturer-recommended oil grade and regular oil-change intervals will keep the new VVT solenoid clean and responsive.
Sludge-free oil flow ensures longer solenoid life, quieter operation and optimal fuel economy.