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DormanPart #: 692-078
Dorman 692-078 Fuel Tank Sending Unit
⚙️ 63 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and GMC, C10, C20, C30, K10, K20, K30, C1500, C2500, C3500, K1500, K2500, K3500, C15, C25, C35, K15, K25, K35, C10 Pickup, C20 Pickup, C30 Pickup, C15/C1500 Pickup, C25/C2500 Pickup, and C35/C3500 Pickup
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Not what you need? Click here for all Fuel Tank Sending Unit options
Overview of Dorman Fuel Tank Sending Unit 692-078
The Dorman 692-078 Fuel Tank Sending Unit is designed for reliable fuel level measurement in select Chevrolet and GMC trucks. This sending unit provides accurate readings for models including C10, C20, C30, C1500, C2500, C3500, K10, K20, K30, K1500, K2500, and K3500.
- Terminal Type: Pin with 1 terminal
- Includes gasket and lock ring for secure installation
- Ohms range: 0 (empty) to 95 (full) for precise fuel level readings
- Plug/Connector Type: Stud
- Does not include fuel pump or wiring harness
Detailed Product Description
The Dorman 692-078 Fuel Tank Sending Unit is engineered to replace the original sending unit in various Chevrolet and GMC truck models. Featuring a single pin terminal and stud-type connector, this unit ensures compatibility with factory wiring setups. The included gasket and lock ring help maintain a proper seal and prevent fuel leaks during installation. With an ohms range from 0 when empty to 95 when full, it provides accurate fuel level data to the vehicle’s gauge. Note that this part does not include a fuel pump or wiring harness, focusing solely on fuel level measurement functionality.
Common Applications and Issues Addressed
- Inaccurate or fluctuating fuel gauge readings
- Fuel gauge stuck on empty or full
- Fuel leaks due to worn or missing gasket
- Replacement of faulty sending unit in Chevrolet and GMC C/K series trucks
- Restoring proper fuel level signal to the dashboard gauge
Installation Notes and Tips
- Ensure the vehicle is parked on a level surface and the fuel tank is as empty as possible before installation
- Use the included gasket and lock ring to secure the sending unit and prevent leaks
- Verify the terminal type and connector match the vehicle’s wiring harness
- Handle the sending unit carefully to avoid damaging the float arm or electrical contacts
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The 692-078 Fuel Tank Sending Unit undergoes quality checks to ensure reliable performance in Chevrolet and GMC trucks. Warranty coverage details can be obtained from the product documentation or manufacturer’s website.
| Brand | Dorman |
| Part Number | 692-078 |
| Fuel Pump Included | No |
| Gasket or Seal Included | Yes |
| Ohms Empty | 0 |
| Ohms Full | 95 |
| Package Contents | Sending Unit; Lock Ring; Gasket |
| Plug/Connector Type | Stud |
| Pump Included | No |
| Terminal Quantity | 1 |
| Terminal Type | Pin |
| Wiring Harness Included | No |
This part fits 63 vehicles. Search below:
| Year | Make | Model | Bed Type | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 1979 | Chevrolet | C10 | 7.4L | V8 | N/A | Main tank with 3 outlets, without California emissions. | ||
| 1979 | Chevrolet | C10 | 6.6L | V8 | N/A | Main tank with 3 outlets, without California emissions. | ||
| 1979 | Chevrolet | C10 | Automatic | 5.7L | V8 | N/A | Main tank with 3 outlets, without California emissions. | |
| 1979 | Chevrolet | C20 | 7.4L | V8 | N/A | Main tank with 3 outlets, without California emissions. | ||
| 1979 | Chevrolet | C20 | 6.6L | V8 | N/A | Main tank with 3 outlets, without California emissions. | ||
| 1979 | Chevrolet | C20 | Automatic | 5.7L | V8 | N/A | Main tank with 3 outlets, without California emissions. | |
| 1979 | Chevrolet | C30 | 7.4L | V8 | N/A | Main tank with 3 outlets, without California emissions. | ||
| 1979 | Chevrolet | C30 | 5.7L | V8 | N/A | Main tank with 3 outlets, without California emissions. | ||
| 1979 | Chevrolet | C30 | Automatic | 5.7L | V8 | N/A | Main tank with 3 outlets, without California emissions. | |
| 1979 | Chevrolet | K10 | 6.6L | V8 | N/A | Main tank with 3 outlets, without California emissions. | ||
| 1979 | Chevrolet | K10 | Automatic | 5.7L | V8 | N/A | Main tank with 3 outlets, without California emissions. | |
| 1979 | Chevrolet | K20 | 6.6L | V8 | N/A | Main tank with 3 outlets, without California emissions. | ||
| 1979 | Chevrolet | K20 | Automatic | 5.7L | V8 | N/A | Main tank with 3 outlets, without California emissions. | |
| 1979 | Chevrolet | K30 | 6.6L | V8 | N/A | Main tank with 3 outlets, without California emissions. | ||
| 1979 | Chevrolet | K30 | Automatic | 5.7L | V8 | N/A | Main tank with 3 outlets, without California emissions. | |
| 1979 | GMC | C1500 | 7.4L | V8 | N/A | Main tank with 3 outlets, without California emissions. | ||
| 1979 | GMC | C1500 | 6.6L | V8 | N/A | Main tank with 3 outlets, without California emissions. | ||
| 1979 | GMC | C1500 | Automatic | 5.7L | V8 | N/A | Main tank with 3 outlets, without California emissions. | |
| 1979 | GMC | C2500 | 7.4L | V8 | N/A | Main tank with 3 outlets, without California emissions. | ||
| 1979 | GMC | C2500 | 6.6L | V8 | N/A | Main tank with 3 outlets, without California emissions. | ||
| 1979 | GMC | C2500 | Automatic | 5.7L | V8 | N/A | Main tank with 3 outlets, without California emissions. | |
| 1979 | GMC | C3500 | 7.4L | V8 | N/A | Main tank with 3 outlets, without California emissions. | ||
| 1979 | GMC | C3500 | 6.6L | V8 | N/A | Main tank with 3 outlets, without California emissions. | ||
| 1979 | GMC | C3500 | Automatic | 5.7L | V8 | N/A | Main tank with 3 outlets, without California emissions. | |
| 1979 | GMC | K1500 | 6.6L | V8 | N/A | Main tank with 3 outlets, without California emissions. | ||
| 1979 | GMC | K1500 | Automatic | 5.7L | V8 | N/A | Main tank with 3 outlets, without California emissions. | |
| 1979 | GMC | K2500 | 6.6L | V8 | N/A | Main tank with 3 outlets, without California emissions. | ||
| 1979 | GMC | K2500 | Automatic | 5.7L | V8 | N/A | Main tank with 3 outlets, without California emissions. | |
| 1979 | GMC | K3500 | 7.4L | V8 | N/A | Main tank with 3 outlets, without California emissions. | ||
| 1979 | GMC | K3500 | 6.6L | V8 | N/A | Main tank with 3 outlets, without California emissions. | ||
| 1979 | GMC | K3500 | Automatic | 5.7L | V8 | N/A | Main tank with 3 outlets, without California emissions. | |
| 1978 | Chevrolet | C10 | 7.4L | V8 | N/A | Main tank with 3 outlets, without California emissions. | ||
| 1978 | Chevrolet | C20 | 7.4L | V8 | N/A | Main tank with 3 outlets, without California emissions. | ||
| 1978 | Chevrolet | C30 | 7.4L | V8 | N/A | Main tank with 3 outlets, without California emissions. | ||
| 1978 | Chevrolet | K10 | 6.6L | V8 | N/A | Main tank with 3 outlets, without California emissions. | ||
| 1978 | Chevrolet | K10 | Automatic | 5.7L | V8 | N/A | Main tank with 3 outlets, without California emissions. | |
| 1978 | Chevrolet | K20 | 6.6L | V8 | N/A | Main tank with 3 outlets, without California emissions. | ||
| 1978 | Chevrolet | K20 | Automatic | 5.7L | V8 | N/A | Main tank with 3 outlets, without California emissions. | |
| 1978 | Chevrolet | K30 | 6.6L | V8 | N/A | Main tank with 3 outlets, without California emissions. | ||
| 1978 | Chevrolet | K30 | Automatic | 5.7L | V8 | N/A | Main tank with 3 outlets, without California emissions. | |
| 1977 | Chevrolet | C10 | 7.4L | V8 | N/A | Main Tank; w/Heavy Duty Suspension; w/3 Outlets | ||
| 1977 | Chevrolet | C20 | 7.4L | V8 | N/A | Main Tank; Exc. 25 Gallon Tank; w/3 Outlets | ||
| 1977 | Chevrolet | C30 | 7.4L | V8 | N/A | Main Tank; Exc. 25 Gallon Tank; w/3 Outlets | ||
| 1977 | Chevrolet | K10 | Automatic | 6.6L | V8 | N/A | Main tank with three outlets - Fuel Tank Sending Unit | |
| 1977 | Chevrolet | K10 | Automatic | 5.7L | V8 | N/A | Main tank with three outlets - Fuel Tank Sending Unit | |
| 1977 | Chevrolet | K20 | Automatic | 6.6L | V8 | N/A | Main tank with three outlets - Fuel Tank Sending Unit | |
| 1977 | Chevrolet | K20 | Automatic | 5.7L | V8 | N/A | Main tank with three outlets - Fuel Tank Sending Unit | |
| 1977 | Chevrolet | K30 | Automatic | 6.6L | V8 | N/A | Main tank with three outlets - Fuel Tank Sending Unit | |
| 1977 | Chevrolet | K30 | Automatic | 5.7L | V8 | N/A | Main tank with three outlets - Fuel Tank Sending Unit | |
| 1976 | Chevrolet | C10 | 7.4L | V8 | N/A | Main Tank; w/Heavy Duty Suspension; w/3 Outlets | ||
| 1976 | Chevrolet | C20 | 7.4L | V8 | N/A | Main Tank; Exc. 25 Gallon Tank; w/3 Outlets | ||
| 1976 | Chevrolet | C30 | 7.4L | V8 | N/A | Main Tank; Exc. 25 Gallon Tank; w/3 Outlets | ||
| 1976 | Chevrolet | K10 | Automatic | 6.6L | V8 | N/A | Main tank with three outlets - Fuel Tank Sending Unit | |
| 1976 | Chevrolet | K10 | Automatic | 5.7L | V8 | N/A | Main tank with three outlets - Fuel Tank Sending Unit | |
| 1976 | Chevrolet | K20 | Automatic | 6.6L | V8 | N/A | Main tank with three outlets - Fuel Tank Sending Unit | |
| 1976 | Chevrolet | K20 | Automatic | 5.7L | V8 | N/A | Main tank with three outlets - Fuel Tank Sending Unit | |
| 1975 | Chevrolet | C10 | Stepside | 7.4L | V8 | N/A | Fuel Tank Sending Unit with 3 outlets | |
| 1975 | Chevrolet | C20 | Stepside | 7.4L | V8 | N/A | Fuel Tank Sending Unit with 3 outlets | |
| 1975 | Chevrolet | C30 | Stepside | 7.4L | V8 | N/A | Fuel Tank Sending Unit with 3 outlets | |
| 1975 | Chevrolet | K10 | Stepside | Automatic | 6.6L | V8 | N/A | Fuel Tank Sending Unit with 3 outlets |
| 1975 | Chevrolet | K10 | Stepside | Automatic | 5.7L | V8 | N/A | Fuel Tank Sending Unit with 3 outlets |
| 1975 | Chevrolet | K20 | Stepside | Automatic | 6.6L | V8 | N/A | Fuel Tank Sending Unit with 3 outlets |
| 1975 | Chevrolet | K20 | Stepside | Automatic | 5.7L | V8 | N/A | Fuel Tank Sending Unit with 3 outlets |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
25000611FG05C
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.