Our readers keep the lights on and my morning glass full of iced black tea. As an Amazon Associate, I earn from qualifying purchases.9 Best 2002 Honda Accord VTEC Solenoid | The One Worth Installing

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The AA Ignition spool valve assembly incorporates a stainless steel body with brass and chrome exterior finishes, providing corrosion resistance that bare aluminum units lack in high-humidity environments. The assembly ships with a pre-installed filter screen, a new oil pressure switch, gasket, and heat shield, which eliminates the common failure point of reusing the original clogged screen or worn switch. The stainless steel construction resists the pitting that occurs when moisture-laden oil sits in the valve body during cold starts.

This unit replaces eight OEM numbers including 15810-RAA-A03, 15810-RAA-A01, and 917-224, covering the 2.4L Accord, 2.0L Civic Si, CR-V, Element, and RSX. The spool valve uses a barb-type inlet and outlet connection, and the assembly bolts directly to the cylinder head without adapters. Owner reports indicate that the included heat shield matches the factory shield dimensions exactly, preventing the melted-wire issues that sometimes occur with aftermarket shields that sit too close to the exhaust manifold.

The standout feature is the lifetime warranty — AA Ignition will replace the unit if it ever fails, which removes the risk of buying a mid-priced solenoid that might leak after two years. The trade-off is a slightly higher upfront cost compared to bare solenoids, but factoring in the included switch and gasket, the total package value is strong. For Accord owners who plan to keep the car for several more years, the warranty alone justifies the investment.

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A-Premium positions this spool valve assembly as a direct competitor to higher-priced OEM alternatives, using a silver zinc-plated finish over brass internal components and a plastic housing for the electrical connector. The assembly includes the oil pressure switch, gasket, and filter screen, covering all the wearable elements in one box. The 2-pin electromagnetic solenoid activates at the factory-specified oil pressure threshold, ensuring that VTEC engagement occurs at the correct RPM without hesitation.

Fitment covers the 2003-2007 Accord 2.4L, along with the Civic Si 2.0L, CR-V, Element, and RSX — all of which use the same spool valve architecture. The plug-and-socket connector matches the factory harness without needing to repin wires, and the included gasket uses a crush-type design that seals against the cylinder head face without additional sealant. Owner feedback highlights that the brass internal passages resist the varnish buildup that occurs with infrequent oil changes, extending service life in maintenance-neglected engines.

A-Premium backs this unit with a one-year unlimited-mileage guarantee, which covers the cost of the part if it fails within the first year. The zinc-plated finish provides better corrosion protection than raw aluminum, though not quite as robust as stainless steel. For owners who want a complete drop-in kit without paying for a lifetime warranty they may not need, this assembly hits a strong value midpoint.

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Dorman has supplied automotive replacement parts for over a century, and the 917-224 VVT solenoid reflects that engineering heritage with a painted metal body and a plug-and-socket connector that closely matches the factory connector profile. This unit is a bare solenoid — it does not include an oil pressure switch, gasket, or filter screen — which means the installer must transfer those components from the original assembly or purchase them separately. The painted exterior finish protects against surface corrosion, though it lacks the heat-dissipating properties of bare aluminum.

Vehicle testing data from Dorman indicates that this solenoid undergoes on-vehicle validation to confirm that the flow rate and pressure activation curve match the OEM specification for the 2002-2007 Accord 2.4L, as well as the CR-V, Element, and RSX applications. The metal body construction uses a painted coating rather than anodizing, which can chip during installation if tools slip, but the underlying metal provides the same structural integrity. Owner reports note that the solenoid produces the same VTEC engagement feel as the factory unit, with no delayed activation at high RPM.

The limited lifetime warranty from Dorman covers the solenoid against manufacturing defects, though it does not cover wear items like internal seals or the filter screen. The lack of included components means the total cost of repair could approach the premium assemblies once the switch and gasket are purchased separately. For DIYers who already have a known-good oil pressure switch and want a solenoid with the strongest brand reputation in aftermarket engine components, the Dorman is a safe but incomplete choice.

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ATRACYPART delivers a complete VTEC solenoid assembly that includes the spool valve, oil pressure switch, gasket, and heat shield in one box, reducing the risk of omitting a critical component during the repair. The aluminum valve body features surface-treated micro-finished surfaces designed to increase wear resistance at the spool-to-bore interface, where most solenoids develop internal leakage over time. The threaded inlet and outlet connections use standard 1/2-inch fittings that accept factory oil lines without adapters.

Fitment targets the 2003-2007 Accord coupe and sedan, along with the Civic Si, CR-V, Element, and RSX — all applications that use the 2.4L or 2.0L VTEC engines. The included gasket is a crush-type aluminum washer that forms a seal without requiring RTV silicone, and the heat shield matches the factory bracket holes precisely. Owner feedback indicates that the solenoid passes the visual quality check with clean machining on the spool bore and no visible burrs on the filter screen mesh.

The 24-month warranty covers replacement or refund if the solenoid fails, stops working, or develops internal leaks, providing twice the coverage period of many competitors at this price tier. The aluminum exterior lacks the corrosion protection of stainless steel or zinc plating, but the surface treatment on the internal bore addresses the most common wear path. For owners who want a complete kit with a solid warranty and don’t need the lifetime coverage of premium options, this assembly offers strong balance.

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NMN Precision manufactures this spool valve assembly with a stainless steel exterior finish and a metal-plastic hybrid construction that balances heat resistance with electrical insulation at the connector junction. The unit replaces six OEM part numbers including 15810-RAA-A03, 15810-PPA-A01, and 917-224, and comes complete with the oil pressure switch, gasket, and filter screen pre-installed. The barb-type inlet and outlet connections use a 1/4-inch NPT thread standard that accepts factory oil hoses without modification.

The assembly targets the 2.4L Accord (2003-2007), 2.0L Civic Si (2002-2005), CR-V, Element, and RSX applications, with the same physical footprint as the original Denso-supplied factory unit. The included gasket is a fiber-reinposite material that compresses evenly across the mounting flange, and the filter screen uses a 150-micron mesh that captures debris without restricting oil flow at high RPM. Owner reports note that the stainless steel cladding resists the rust that sometimes appears on painted or raw aluminum units after winter driving.

The barb fittings use a hose-clamp retention system that provides a secure seal without requiring specialty tools, though the included clamps are basic worm-gear style that can loosen over time if not tightened properly. The metal-plastic hybrid connector housing holds the 2-pin terminal securely but lacks the rubber boot seal found on some premium units. For DIY owners who prioritize corrosion resistance and want a complete assembly at a mid-range price, the NMN unit delivers reliable performance with minimal hassle.

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AULINK manufactures this oil control valve solenoid in TS16949-certified facilities, which requires 100% functional testing of each unit before shipping — a quality-control step that smaller brands often skip. The solenoid uses a metal body with electrical inlet and outlet connections, and it covers a wide range of 2.0L and 2.4L L4 applications including the 2003-2007 Accord, Civic Si, CR-V, Element, and RSX. The included o-rings are premium-grade nitrile rubber designed to resist the hardening effect of high-mileage engine oil that causes older seals to leak.

The solenoid replaces nine OEM part numbers including 15810-RAA-A03, 15810-RAA-A01, and 917-224, giving it broad cross-compatibility across Honda and Acura models from the same era. The metal body uses a painted finish that provides basic corrosion protection, and the electrical connector uses a locking tab that clicks into place on the factory harness. Owner feedback emphasizes that the o-rings seal immediately on installation without requiring the engine to reach operating temperature to swell the seals, which eliminates the startup drips common with lower-quality gaskets.

The 1-year or 50,000-kilometer warranty is shorter than the 24-month coverage offered by some competitors, but the TS16949 certification provides confidence in manufacturing consistency that warranty length alone doesn’t capture. The unit ships without an oil pressure switch, so owners need to confirm that their existing switch is functional before installing. For budget-conscious buyers who prioritize manufacturing quality over included extras, this solenoid delivers reliable core performance.

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A-Premium’s base VVT solenoid is a bare unit that replaces OEM part numbers 918-082, VVT225, and TS1156, covering V6 applications in the Accord 2000-2007, Pilot, Odyssey, Ridgeline, and several Acura models. The solenoid uses a plastic housing material with a 2-pin plug-and-socket connector and an electromagnetic activation type that matches the factory control strategy. This is a direct-replacement unit for the oil-filter-adapter-mounted VVT solenoid, not the cylinder-head-mounted spool valve found on 2.4L four-cylinder engines.

The plastic housing keeps weight down to 5.6 ounces, which is about half the weight of metal-bodied alternatives, but the plastic construction is more susceptible to heat cycling embrittlement over extended service intervals. Fitment covers the V6 3.0L in the Accord, 3.5L in the Pilot and Ridgeline, and 3.2L/3.5L in Acura TL and MDX models — a different application than the 2.4L spool valve. Owner reports indicate that the solenoid passes the initial bench-test for clicks and resistance, but the plastic mounting tabs can crack if over-torqued during installation.

The one-year unlimited-mileage guarantee provides basic coverage, though it only covers the cost of the part, not installation labor or related expenses. The plastic housing and electromagnetic coil are sealed as a single unit, meaning internal failure requires full replacement rather than a rebuild. For V6 Accord owners who need a budget-friendly solenoid for a vehicle nearing the end of its service life, this unit provides a functional stopgap, but it lacks the long-term durability of metal-bodied assemblies.

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labwork’s spool valve is machined from T-6061 billet aluminum with an anodized exterior finish, making it one of the few budget-tier options that uses aircraft-grade material in the body construction. The unit replaces part numbers 15810-PAA-A02 and 15810-PAA-A01, which are specific to the 2.3L inline-four engine found in the 1998-2002 Accord, 1998 Odyssey, and 1998-1999 Acura CL. This is a bare solenoid with a 2-port NPT threaded inlet and outlet configuration, and it does not include an oil pressure switch or gasket.

The T-6061 billet aluminum provides superior tensile strength compared to cast zinc or plastic, and the anodized finish creates a hard surface layer that resists corrosion from oil acids and moisture. The spool valve uses an anodized interior bore surface that reduces friction on the spool during actuation, which helps maintain consistent VTEC engagement as the valve accumulates mileage. Owner feedback highlights that the machining quality is visibly higher than cast alternatives, with no flashing or sharp edges on the threads or sealing faces.

The 2.3L application limits compatibility to the pre-2003 Accord models, which have a different cylinder head design than the 2.4L K-series engines. The lack of included components means the total installation cost increases if the original switch or gasket needs replacement. For owners of the F23A1 2.3L engine who want a precision-machined aluminum spool valve at an entry-level price point, this unit delivers material quality that outperforms its price tier.

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The Honda Genuine Oil Pressure Switch Assembly (part number 37240-R70-A04) is a factory OEM component that serves as the pressure-monitoring companion to the VTEC spool valve — it is not a solenoid itself, but rather the switch that sends the oil pressure signal to the ECU. When the spool valve assembly is replaced, reusing the original 20-year-old pressure switch is a common cause of recurring P2646 codes because the internal diaphragm loses calibration over time. This genuine Honda part ensures that the pressure threshold matches the factory calibration exactly, eliminating the signal mismatch that aftermarket switches sometimes introduce.

The switch uses a screw-terminal connector with a brass contact material and a normally open circuit type, meaning it closes the circuit when oil pressure reaches the specified threshold. The push-button actuator type is a sealed unit that screws into the VTEC solenoid assembly or the cylinder head, depending on the engine configuration. At just 0.022 pounds, it is a small but critical component, and the genuine Honda packaging includes the sealing washer that prevents oil seepage at the threaded interface.

Compatibility spans a wide range of Honda models from 2008-2021 including EX, EX-L, Elite, LX, and Touring trims, but fitment on the 2002 Accord 2.3L or 3.0L engines requires verification that the thread pitch and depth match the factory port. The switch does not include the solenoid body, spool valve, or gasket — it is strictly a replacement for the pressure switch alone. For owners who are replacing only the switch as a diagnostic step and want zero doubt about thread fitment and pressure calibration, the genuine Honda part is the definitive choice.