HONDA 74940SZW003 Clarity Pump Electric Water Valve 3-WAY 1J361-5WP-A01

( Manufacturer Part Number: 74940SZW003 ), ( Part Type: Valve Pump ), ( Vintage Part: No ), ( Country Of Origin: Japan ), ( California Prop 65 Warning: Operating, Servicing And Maintaining A Passenger Vehicle Or Off-road Vehicle Can Expose You To Chemicals Including Engine Exhaust, Carbon Monoxide, Phthalates, And Lead, Which Are Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. To Minimize Exposure, Avoid Breathing Exhaust, Do Not Idle The Engine Except As Necessary, Service Your Vehicle In A Well-ventilated Area And Wear Gloves Or Wash Your Hands Frequently When Servicing Your Vehicle. )

Review HONDA Clarity Pump 3-way Electric Water Valve Oem fits 2018–2021

The **Honda 74940SZW003 2018 2021 Clarity Pump 3-Way Electric Water Valve (Part #1J361-5WP-A01)** is a precision-engineered, high-performance component designed exclusively for Honda s hybrid electric vehicles, specifically the 2018 through 2021 model years of the **Clarity Plug-in Hybrid**. This critical valve serves as the heart of the vehicle s water recirculation system, ensuring optimal efficiency and reliability in the hybrid powertrain s cooling and heat management processes. Crafted from durable, corrosion-resistant materials, the valve is built to withstand the rigorous demands of Honda s advanced hybrid technology, where seamless operation is essential for maintaining peak performance, fuel economy, and longevity of the electric motor and internal combustion engine components.

The **3-way electric water valve** operates as a sophisticated actuator, precisely regulating the flow of coolant between the engine, electric motor, and auxiliary systems. Its solenoid-driven mechanism allows for instant and silent switching between three distinct pathways: coolant circulation to the engine, the electric motor, or a combination of both, depending on driving conditions, power demands, and thermal management requirements. This adaptability is crucial for balancing heat dissipation in hybrid systems, where both the internal combustion engine and electric motor generate heat that must be efficiently managed to prevent overheating and ensure optimal efficiency. The valve s electronic control ensures that coolant is directed exactly where it s needed, minimizing energy loss and maximizing the hybrid s overall performance.

Constructed with Honda s signature attention to quality and engineering precision, this valve features a robust **solenoid coil assembly** and a **ceramic or metal-sealed actuator mechanism**, designed to endure millions of activation cycles without degradation. The internal components are engineered to resist wear, leakage, and electrical interference, guaranteeing reliable operation even in the most demanding driving scenarios whether during high-speed highway cruising, regenerative braking, or extended periods of electric-only mode. Additionally, the valve is sealed with **high-temperature-resistant gaskets and O-rings**, preventing coolant leaks and ensuring a tight, secure fit within the vehicle s cooling system.

For service technicians and DIY enthusiasts, the **74940SZW003** is a straightforward yet critical replacement part, easily identifiable by its compact, cylindrical housing and integrated electrical connector. It is a **direct-fit OEM component**, meaning it is designed to drop right into the original installation point without the need for modifications or additional adapters, ensuring a seamless upgrade or repair process. Whether replacing a failed valve due to electrical failure, mechanical wear, or coolant system contamination, this part restores the hybrid s cooling efficiency, helping to prevent costly damage to the engine, motor, or associated cooling components.

In summary, the **Honda 74940SZW003 3-Way Electric Water Valve (1J361-5WP-A01)** is an indispensable, high-performance component that plays a vital role in the longevity and efficiency of Honda s Clarity Plug-in Hybrid. Its advanced design, durable construction, and precise functionality make it an essential part of maintaining the vehicle s hybrid system in optimal working condition, ensuring both performance and reliability for years of trouble-free operation.

### **Pros and Cons of buying a Honda 74940SZW003 (2018-2021 Clarity 3-Way Electric Water Valve Part #1J361-5WP-A01)**

1. **OEM Quality and Compatibility** This is a genuine Honda replacement part, ensuring a perfect fit for the 2018-2021 Honda Clarity fuel cell vehicle. It meets the manufacturer s specifications, reducing the risk of leaks or improper function.

2. **Reliability and Durability** Honda parts are known for their longevity and resistance to wear, which is critical for a vehicle with a complex fuel cell system. A high-quality electric water valve ensures proper coolant and refrigerant flow, preventing overheating or system malfunctions.

3. **Prevents Costly Damage** A failing water valve can lead to engine or fuel cell component damage, resulting in expensive repairs. Replacing it proactively avoids secondary issues like coolant leaks, overheating, or reduced efficiency in the Clarity s hybrid/fuel cell system.

4. **Easy Installation** As a direct replacement, it should integrate seamlessly with existing wiring and plumbing. Many owners and mechanics report straightforward installation, especially if following Honda s service manual.

5. **Warranty Coverage** If purchased from an authorized Honda dealer or a reputable online retailer, this part may come with a limited warranty, providing peace of mind against defects.

6. **Supports Fuel Cell Technology** The Clarity s fuel cell system relies on precise water management for hydrogen fuel cell operation. A functioning valve ensures optimal performance and safety.

---

1. **High Cost** As an OEM part, this valve is more expensive than aftermarket alternatives. Prices typically range between **$200 $400**, depending on the source, which may be a significant investment for some buyers.

2. **Limited Availability Outside Dealers** While available from Honda dealers and some specialty auto parts stores, it may not be stocked at every local mechanic or online retailer. Purchasing from unauthorized sellers risks counterfeit or incompatible parts.

3. **Potential for Counterfeit Parts** Due to its popularity, there is a risk of buying fake or low-quality replicas, especially from untrusted online marketplaces. Always verify the seller s reputation and part authenticity.

4. **Installation Complexity** While designed for easy replacement, the Clarity s fuel cell system requires careful handling. Improper installation (e.g., loose connections, incorrect wiring) could lead to system errors or safety hazards. Professional installation is recommended.

5. **Depreciation Factor** If the vehicle is older or has high mileage, the cost-benefit ratio may not justify the expense, especially if the valve is nearing the end of its lifespan. However, given Honda s reliability, this is less of a concern for newer Clarity models.

6. **Limited DIY Repairability** Unlike simpler mechanical parts, the electric water valve involves electrical and hydraulic components. Those without experience in hybrid/fuel cell systems may struggle with diagnostics or repairs.

---

### **Conclusion**

The **Honda 74940SZW003 (1J361-5WP-A01) 3-Way Electric Water Valve** is a **critical and high-quality replacement part** for maintaining the health of a 2018-2021 Clarity. Its **OEM status, reliability, and compatibility** make it the best choice for long-term performance, though the **higher cost and potential installation challenges** must be considered.

For most owners, the **benefits outweigh the drawbacks**, especially when factoring in the avoidance of costly fuel cell or engine damage. However, those on a tight budget or with limited mechanical experience may weigh the option of **professional installation** or **exploring certified pre-owned valves** from trusted sources.

---

### **Recommendation**

1. **Purchase from an Authorized Source** Buy directly from **Honda dealers, RockAuto, or Amazon (verified sellers)** to ensure authenticity and warranty coverage.

2. **Consider Professional Installation** Given the Clarity s advanced systems, have a **Honda-certified technician** or a **hybrid/fuel cell specialist** perform the replacement to avoid voiding warranties or causing malfunctions.

3. **Check for Alternatives** If cost is a concern, research **aftermarket brands like ACDelco or Denso**, though ensure they meet Honda s specifications.

4. **Monitor for Symptoms** If the valve is failing, act quickly early replacement prevents **coolant leaks, overheating, or fuel cell inefficiency**, which can be far more expensive to repair.

5. **Document the Repair** Keep records of the purchase and installation to support future warranty claims if needed.

**Final Verdict:** This is the **best available replacement** for the Honda Clarity s water valve, justified by its **reliability and critical function**. While not the cheapest option, it is a **necessary investment** for maintaining the vehicle s performance and longevity.

Details:

Body panel fitment issues are not considered item-not-as-described. Vehicle: Clarity 2019 20K Miles. Business / Commercial address required. OEM: Genuine Honda.

Condition Details: OEM factory not aftermarket. Replies within 24 hours Mon Fri. Cosmetic condition is not grounds for return. Modified items are non-returnable.

No major bends or structural damage unless shown. May show normal cosmetic wear such as scratches, dings, or paint defects. Inspected for structural integrity and mounting points.

part #: 74940szw003 prices

• $69.00-$99.75

specifications ocoosys:

• for makes: Honda
• for years: 2018-2021
• mpn: 74940szw003
• part type: Valve Pump
• vintage part: No
• country of origin: Japan
• california prop 65 warning: Operating, Servicing And Maintaining A Passenger Vehicle Or Off-road Vehicle Can Expose You To Chemicals Including Engine Exhaust, Carbon Monoxide, Phthalates, And Lead, Which Are Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. To Minimize Exposure, Avoid Breathing Exhaust, Do Not Idle The Engine Except As Necessary, Service Your Vehicle In A Well-ventilated Area And Wear Gloves Or Wash Your Hands Frequently When Servicing Your Vehicle.

payments ocoosys:

• credit card: Mastercard
• other
• wallet: Apple-pay

returns ocoosys:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

shipping ocoosys:

• class: Economy
• carrier: UPS
• transit: 6-12 Days
• cost: $0.00
• type: Fixed
• service: UPS Ground Saver

seller ocoosys:

• city: Rancho Cordova, California
• # reviews: 6
• rating: 100.0%

offer ocoosys:

• best offers: True
• availability: In Stock
• options: Ship-to-home
• quantity: 1
• started: February 22, 2026
• sold: 0

general ocoosys:

• condition: Used
• Car Truck Parts Accessories > Engine Cooling Components > Other Engine Cooling Components

Honda 74940SZW003 Is Similar To:

• 172915paa00 Honda Oem Turbo Turbocharger Pipe (13.8% similar) ...(August 24th, 2018)
• 19025rp3a00 Honda Oem Fit Guide Right (14.8% similar) All airbag modules are also non returnable. Est, mon to Fri...(August 8th, 2018)
• 19026rp3a00 Honda Oem 09-13 Fit (15.5% similar) Used oem part. Good condition...(November 24th, 2017)
• 19101-rgl-a00 Honda Genuine Oem Reservoir (20.6% similar) Warranty no...(March 22nd, 2018)
• 19101pnb000 Oem Honda Crv Coolant Overflow Fluid Bottle Tank Reservoir (18.1% similar) Electrical parts computers, modules, switches, and sensors carry a limited warranty 14 day.: 8564VEHICLE information vehicle year: 2002 VEHICLE make: model: craving no. See photos for details. Working condition: all parts were tested prior to dismantling. Part information part name: 02-06 honda CV...(March 7th, 2018)
• 19102pm5a00 Oe Honda Coolant Expansion Tank Cap For Acura Oem Ships (26.3% similar) This cap is a screw-on style. Order before 3:00PM pacific time, and this ships out the same day. Coolant expansion tank cap fits various aura - honda vehicles premium quality oem ships fast. It is composed of plastic. The of cap has a hole to accommodate elbow joint, which is not included...(March 20th, 2018)
• 19301-rea-305 Honda 19301rea305 Genuine Oem (29.7% similar) ...(January 7th, 2018)
• 19503-plc-000 Honda 19503plc000 Genuine Oem (26.6% similar) ...(February 5th, 2018)
• 1f181r9sa00 Honda Acura Oem 2016 (22.2% similar) Warranting warranty...(April 4th, 2017)
• 1j200-5k1-a01 Honda Clarity Oem Auxiliary Water Pump (35% similar) ...(February 5th, 2019)
• 1j481r9s000 Honda Acura Oem Rlx Tube (21.5% similar) Est, mon to Fri. All airbag modules are also non returnable...(August 9th, 2018)