The 15810-R70-A04 VTEC spool valve assembly controls oil pressure to activate Honda’s variable valve timing system. A critical component in 3.5L V6 engines, it ensures optimal engine performance, fuel efficiency, and emissions control. If you're experiencing a check engine light, rough idle, or poor VTEC engagement, this is the part to inspect or replace.
Key Features:
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100% Genuine Honda OEM component
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Regulates oil flow to the VTEC system
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Restores proper valve timing and performance
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High-quality construction to handle engine temps and pressure
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Direct replacement — no modification required
Compatible With:
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2008–2012 Honda Accord (3.5L V6)
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2010–2011 Honda Accord Crosstour
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2012–2015 Honda Crosstour
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2008–2017 Honda Odyssey
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2009–2015 Honda Pilot
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2010–2013 Acura MDX
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2010–2013 Acura ZDX
Always confirm fitment using your VIN or service manual.
Specifications:
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Part Number: 15810-R70-A04
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Replaces: 15810-R70-A03
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Condition: Brand New
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Quantity: 1 Assembly
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Materials: Aluminum housing with internal filter and solenoid
Why Buy from Elite Race Fab?
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We supply only 100% genuine Honda parts
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Fast, reliable shipping from car enthusiasts who get it
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Trusted by shops, dealers, and builders nationwide
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Real support when you need it — no guesswork