HONDA 37250-PCX-A02 Oil Pressure Sender Switch

( Manufacturer Part Number: 37250-PCX-A02 ), ( Part Type: Oil Pressure Switch Sender ), ( Oe/oem Part Number: 37250 Pcx A02, 37250pcxa02 ), ( Manufacturer Warranty: 3 Months ), ( Fitment Type: Direct Replacement ), ( Color: Random Color )

Review HONDA Oem Oil Pressure Sender Switch Us fits S2000 VTEC 2000–2009

The **37250-PCX-A02 VTEC Oil Pressure Sender Switch** is a precision-engineered component designed specifically for the **2000 2009 Honda S2000**, ensuring reliable oil pressure monitoring within the vehicle s lubrication system. This high-performance sender switch is a critical part of the S2000 s oil pressure warning system, providing real-time feedback to the engine control module (ECM) to alert the driver of any potential oil pressure issues before they escalate into serious mechanical problems. Crafted from durable materials, this switch features a robust **aluminum housing** with a **sealed, corrosion-resistant design**, making it well-suited for the demanding conditions of high-performance driving, including spirited acceleration, aggressive cornering, and extended high-RPM operation qualities for which the S2000 is renowned.

The **37250-PCX-A02** incorporates a **highly sensitive pressure-sensitive diaphragm** that accurately detects oil pressure fluctuations, transmitting precise electrical signals to the ECM. This ensures that the oil pressure warning light on the dashboard activates only when necessary, preventing false alarms while guaranteeing prompt detection of low oil pressure a critical safety feature for maintaining engine longevity. The switch is engineered to withstand the **high temperatures and pressures** associated with the S2000 s **1.7L Type-R VTEC engine**, which demands consistent lubrication to prevent premature wear on critical components such as bearings, camshafts, and lifters.

Compatibility is a key strength of this part, as it is **directly interchangeable** with the original equipment (OEM) sender switch used in the 2000 2009 Honda S2000, including models equipped with the **B18C1 engine**. The **A02 variant** is particularly noted for its **improved durability and reliability** compared to earlier iterations, reducing the risk of failure over time. Whether installed in a **stock S2000, a modified performance build, or a restored classic**, this sender switch delivers consistent performance, helping to safeguard the engine against catastrophic failure due to inadequate lubrication.

For enthusiasts and mechanics alike, the **37250-PCX-A02** represents a **cost-effective upgrade** over aftermarket alternatives, offering OEM-level quality without the premium price tag. Its **easy installation** requiring minimal disassembly of the oil filter housing makes it an accessible maintenance solution for both DIY mechanics and professional shops. By ensuring that the S2000 s oil pressure system operates at peak efficiency, this sender switch contributes to the longevity of one of automotive history s most beloved sports cars, preserving its legendary driving dynamics for years to come.

### **Pros and Cons of buying a 37250-PCX-A02 VTEC Oil Pressure Sender Switch for a 2000-2009 Honda S2000**

1. **Direct Fitment** This part is specifically designed for the 2000-2009 Honda S2000, ensuring compatibility without modifications. It matches the original equipment manufacturer (OEM) specifications, reducing the risk of installation issues.

2. **Reliability** Honda s VTEC oil pressure sender switch is a critical component for monitoring engine oil pressure. A high-quality aftermarket replacement (such as this one) is built to the same standards as OEM parts, providing consistent performance and reducing the likelihood of premature failure.

3. **Prevents Engine Damage** The oil pressure sender switch alerts the engine control unit (ECU) to low oil pressure, triggering a warning before critical engine damage occurs. A faulty sender can lead to undetected low oil pressure, risking catastrophic failure (e.g., bearing wear, oil pump failure). Replacing it proactively safeguards the engine.

4. **Easy Installation** The sender switch is typically located near the oil filter housing or engine block, making it accessible for DIY mechanics. Many users report that replacing it takes less than an hour, especially with basic tools.

5. **Cost-Effective Maintenance** Compared to the potential cost of engine repairs from neglecting oil pressure issues, replacing the sender switch is a relatively inexpensive preventive measure. It extends the lifespan of the engine and avoids costly downtime.

6. **Compatibility with Aftermarket Oil Filters** Since this part is designed for the S2000, it should work seamlessly with aftermarket oil filters that meet Honda s specifications, ensuring no interference with oil flow monitoring.

7. **Warranty or Return Options** Reputable sellers often provide warranties or return policies, offering peace of mind in case the part fails prematurely or doesn t fit as expected.

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1. **Potential Counterfeit Parts** The aftermarket market can sometimes include counterfeit or low-quality replicas that fail quickly or don t function correctly. Purchasing from a trusted seller (e.g., Honda-approved dealers, reputable online retailers, or eBay/Amazon with verified sellers) mitigates this risk but doesn t eliminate it entirely.

2. **Mismatched Threads or Connector Issues** In rare cases, the sender switch may not align perfectly with the engine s mounting points due to manufacturing variations. This could require additional effort to adapt the part or confirm compatibility before purchase.

3. **Oil Leaks or Gasket Failure** The sender switch is sealed with a gasket or O-ring. If the replacement part s gasket is defective or improperly seated during installation, it may cause oil leaks. Using a high-quality gasket or sealant can help prevent this.

4. **Diagnostic Confusion** If the sender switch is faulty but not the root cause of oil pressure issues (e.g., low oil level, failing oil pump, or clogged passages), replacing it alone may not resolve the problem. A thorough diagnostic check (e.g., measuring oil pressure manually) is advisable before assuming the sender is at fault.

5. **Limited Longevity Compared to OEM** While aftermarket parts are generally reliable, some users report that OEM parts tend to last longer due to stricter quality control. However, this is not universal, and many aftermarket parts match OEM durability.

6. **Tooling Requirements** Depending on the sender s location, installation may require specific tools (e.g., a socket wrench, torque wrench for proper tightening, or a gasket scraper). Improper installation (e.g., overtightening) can damage threads or the sender housing.

7. **No Guarantee Against Related Issues** If the oil pressure problem stems from a failing oil pump, clogged oil filter, or low oil viscosity, replacing the sender switch will not address the underlying cause. A comprehensive oil system inspection is recommended.

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The **37250-PCX-A02 VTEC oil pressure sender switch** is a practical and cost-effective solution for maintaining the health of your 2000-2009 Honda S2000 s engine. Its direct fitment, reliability, and role in preventing engine damage make it a worthwhile investment for proactive maintenance. However, the risk of counterfeit parts, potential installation challenges, and the need for proper diagnostics before replacement are factors to consider.

- **Purchase from a reputable seller** (e.g., Honda parts dealers, trusted online retailers, or eBay/Amazon with positive reviews).

- **Verify compatibility** with your specific S2000 model year (some minor variations exist).

- **Inspect the oil system** (oil level, filter, pump) before replacing the sender to avoid unnecessary repairs.

- **Follow installation guidelines** carefully, ensuring proper sealing and torque specifications.

- **Monitor oil pressure** post-installation to confirm the sender is functioning correctly.

**Buy the 37250-PCX-A02 sender switch** if you suspect a faulty oil pressure sender or are performing routine maintenance. It is a low-risk, high-reward part that protects your engine from serious damage. Prioritize quality over price to avoid counterfeit issues, and pair the replacement with a full oil system check to ensure long-term reliability. For those uncomfortable with DIY repairs, consult a Honda specialist to confirm the sender s condition and perform the replacement.

Details:

2007 Honda2000 Base 2.2L L4 - Gas. 2006 Honda2000 Base 2.2L L4 - Gas. 2008 Honda2000 Base, CR 2.2L L4 - Gas. 2009 Honda2000 Base, CR 2.2L L4 - Gas.

Notice - Please verify compatibility with your vehicles year, make, model, and engine type before purchasing.

part #: 37250pcxa02 prices

• $32.29-$36.10

specifications cylinderheapar:

• for models: S2000, Vtec
• for makes: Honda
• for years: 2000-2009
• mpn: 37250-pcx-a02
• part type: Oil Pressure Switch Sender
• oe/oem part number: 37250 Pcx A02, 37250pcxa02
• manufacturer warranty: 3 Months
• fitment type: Direct Replacement
• color: Random Color

payments cylinderheapar:

• other
• wallet: Google-pay
• credit card: Visa

general cylinderheapar:

• Car Truck Parts Accessories > Engines Engine Parts > Cylinder Heads
• condition: Remanufactured

seller cylinderheapar:

• # reviews: 164
• rating: 100.0%
• city: Rancho Cucamonga, California

returns cylinderheapar:

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

offer cylinderheapar:

• best offers: True
• sold: 0
• options: Ship-to-home
• availability: In Stock
• started: February 24, 2026

shipping cylinderheapar:

• type: Fixed
• class: Economy, Standard, Expedited
• service: Economy, Standard, Expedited
• cost: $0.00
• transit: 4-10 Days

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