HONDA GENUINE OEM 37800-SM4-A03 Fuel Level Sensor Gauge Tank Sending Unit

( Brand: Honda Genuine Oem ), ( Manufacturer Part Number: 37800-SM4-A03 ), ( Items Included: As Shown ), ( Material: Rubber, Steel, Plastic ), ( Placement On Vehicle: Gas Tank ), ( Fuel Type: Gasoline ), ( Type: Fuel Tank Level Sending ), ( Capacity: Factory ), ( Manufacturer Warranty: Yes ), ( Features: Genuine Honda Part Oem ), ( Universal Fitment: No ), ( Country Of Origin: Japan )

Review HONDA GENUINE OEM Fuel Gauge Tank Level Sending Unit fits ACCORD 1990–1993

The **Honda 37800-SM4-A03 Fuel Gauge Tank Level Sending Unit** is a precision-engineered component designed exclusively for the **1990 1993 Honda Accord (SM4 platform)**, ensuring accurate fuel level monitoring and reliable performance in your vehicle s electrical system. This high-quality replacement unit is meticulously crafted to match the original specifications of Honda s OEM (Original Equipment Manufacturer) design, featuring a durable **aluminum housing** and a robust **float mechanism** that smoothly glides within the fuel tank, providing real-time feedback to the gauge cluster. The sending unit incorporates a **resistive wire** that adjusts resistance based on fuel level, sending a precise signal to the fuel gauge, eliminating common issues like erratic readings, false "empty" warnings, or complete gauge failure. Built to withstand the demands of daily driving, this unit is resistant to corrosion and mechanical wear, making it an ideal long-term solution for restoring proper fuel level functionality in your Accord. Whether replacing a faulty original unit or upgrading an older vehicle, this aftermarket part ensures seamless integration with the vehicle s electrical wiring harness, maintaining the integrity of the fuel system while delivering dependable performance. Perfect for mechanics, DIY enthusiasts, or anyone seeking a hassle-free upgrade, this sending unit combines reliability with Honda s signature engineering precision.

### Pros and Cons of Buying a 1990-1993 Honda Accord (37800-SM4-A03) Fuel Gauge Tank Level Sending Unit

1. **Common and Widely Available** The 1990-1993 Honda Accord uses a standard fuel sending unit that is easy to find in aftermarket parts stores, online marketplaces, or directly from Honda dealers. This ensures you won t have trouble sourcing a replacement.

2. **Affordable Replacement Cost** Compared to OEM (Original Equipment Manufacturer) parts, aftermarket or used sending units are significantly cheaper, often costing between $20 and $50, depending on condition and source. Labor costs are also reasonable since it s a straightforward repair.

3. **Easy to Install** The fuel sending unit is located inside the fuel tank, but the process involves removing the tank (which may require draining fuel) and replacing the unit. While it s not a beginner-level repair, it s manageable with basic mechanical skills, a fuel pump removal tool, and patience.

4. **Prevents Further Damage** A faulty sending unit can lead to incorrect fuel level readings, which may cause confusion or even accidental fuel starvation if the gauge fails completely. Replacing it ensures accurate fuel monitoring and avoids potential engine stalling or fuel system issues.

5. **Compatibility with Other Models** The sending unit in this generation of Honda Accord is similar to those in other late '80s and early '90s Honda and Acura models (e.g., Civic, Prelude, Integra), making it a versatile part if you own or work on multiple vehicles.

6. **Long-Term Reliability** Once replaced with a functional unit, the repair is durable and should last the life of the tank, assuming no further mechanical failures occur.

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1. **Fuel Tank Removal Required** To access the sending unit, you must remove the entire fuel tank, which involves disconnecting fuel lines, draining fuel (or siphoning it), and potentially dealing with a heavy, awkward component. This can be messy and time-consuming.

2. **Potential for Additional Issues** If the sending unit failure is due to a larger problem (e.g., a cracked tank, corroded wiring, or a failing fuel pump), replacing just the sending unit may not fully resolve the issue. Inspecting the tank and surrounding components is advisable.

3. **Risk of Damage During Removal** Improper handling of the fuel tank can lead to punctures, leaks, or damage to the sending unit s float mechanism. If you re not careful, you might end up with a more expensive repair than intended.

4. **Compatibility Variations** While the sending unit is standard for this model range, there are slight variations between years (e.g., 1990 vs. 1993). Ensure you purchase the correct part for your specific Accord trim and year to avoid mismatches.

5. **Time-Consuming Process** The repair can take several hours, especially if you re unfamiliar with fuel system work. If you re not comfortable with DIY repairs, hiring a mechanic may cost more in labor than the part itself.

6. **Used Parts May Have Hidden Flaws** If purchasing a used or refurbished sending unit, there s a chance it could be damaged internally (e.g., a broken float arm or corroded contacts). Testing the unit before installation or buying from a reputable seller is crucial.

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Buying and replacing a fuel gauge sending unit for a 1990-1993 Honda Accord is a practical and cost-effective solution for restoring accurate fuel level readings. The part is widely available, inexpensive, and relatively easy to install if you re prepared for the fuel tank removal process. However, the repair requires patience, basic mechanical skills, and caution to avoid complications. If you re comfortable with DIY automotive work, this is a straightforward fix that prevents further frustration with unreliable gauges. For those less experienced, consulting a mechanic may be wise to ensure the job is done correctly and to check for underlying issues.

- **If you re experienced with automotive repairs:** Purchase a new or high-quality aftermarket sending unit, follow a step-by-step guide (e.g., from a trusted source like Haynes or Chilton manuals), and take your time during removal and installation to avoid mistakes.

- **If you re inexperienced or short on time:** Have a mechanic perform the repair, as they can handle the fuel tank safely and efficiently. This may cost more upfront but ensures the job is done right the first time.

- **Always test the new unit** before finalizing the installation to confirm it s functioning properly.

- **Inspect the fuel tank** for leaks, corrosion, or damage while it s out, as this is a good opportunity to address any existing issues.

Details:

Labor, installation, and diagnostic costs are not covered. This part was taken off 1993 Honda Accord Sedan 4D. 37800-SM4-A03. 1990 1991 1992 1993.

Please verify the part number and compatibility with your vehicle before purchasing. As used OEM parts, items may show normal signs of wear consistent with age and prior use. Ready to ship. Match part number before purchase.

Tested cleaned and inspected. Condition and Testing. Serial numbers and security markings are recorded. Good working condition.

part #: 37800sm4a03 prices

• $112.12-$139.54

specifications fueltanksysteme:

• for models: Accord
• for makes: Honda
• for years: 1990-1993
• brand: Honda Genuine Oem
• mpn: 37800-sm4-a03
• items included: As Shown
• material: Rubber, Steel, Plastic
• placement on vehicle: Gas Tank
• fuel type: Gasoline
• type: Fuel Tank Level Sending
• capacity: Factory
• manufacturer warranty: Yes
• features: Genuine Honda Part Oem
• universal fitment: No
• country of origin: Japan

shipping fueltanksysteme:

• transit: 4-8 Days
• type: Calculated
• class: Standard
• service: USPS Ground Advantage
• cost: $13.05
• carrier: USPS

returns fueltanksysteme:

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

payments fueltanksysteme:

• wallet: Paypal
• other
• credit card: Discover

seller fueltanksysteme:

• rating: 99.8%
• city: Vancouver, Washington
• # reviews: 442

general fueltanksysteme:

• Car Truck Parts Accessories > Air Fuel Delivery > Fuel Tanks Filler Necks
• condition: Used

offer fueltanksysteme:

• options: Ship-to-home
• availability: In Stock
• started: February 19, 2026
• quantity: 1
• sold: 0

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