Jeep Wagoneer & Cherokee SJ Fuel Tank Sending Units (1970-1991)
Gas Tank Depot offers high-quality replacement fuel tank sending units for the full-size Jeep Wagoneer, Cherokee SJ, and Grand Wagoneer (1970-1991). These classic SJ-platform Jeeps are known for their durability and luxury, and a properly functioning sending unit is essential for accurate fuel gauge readings.
Models & Years We Cover
Jeep Wagoneer & Cherokee SJ (1970-1991)
Includes standard Wagoneer, Cherokee SJ, and the luxurious Grand Wagoneer models.
Key Years
- 1970-1973 – Early SJ models
- 1974-1977 – Updated styling and powertrain options
- 1978-1991 – Final generation including the popular Grand Wagoneer
Common Problems with Wagoneer & Cherokee SJ Sending Units
- Failed float or worn resistor causing erratic or inaccurate fuel gauge readings
- Corroded terminals and poor ground connections (very common on older SJ Jeeps)
- Stuck or bent float arm from years of use
- Leaking at the sending unit gasket due to age and material hardening
Important Notes
- Different tank sizes were used depending on year and model (standard vs. auxiliary tanks)
- Always replace the gasket and lock ring when installing a new sending unit
- Grand Wagoneer models may have specific configurations
Related Jeep Wagoneer & Cherokee SJ Parts
Need Help Finding the Right Sending Unit?
The full-size Jeep Wagoneer and Cherokee SJ had several tank variations over the years. Please tell us your exact year, model (Wagoneer, Cherokee SJ, or Grand Wagoneer), and whether you have a standard or auxiliary tank. We’ll recommend the correct direct-fit sending unit for your vehicle.

