/live/media/SQ/SQ_FG88B_Fro.jpg)
OE Quality
60-Day Returns
/live/media/SQ/SQ_FG88B_Fro.jpg)
/live/media/SQ/SQ_FG88B_Top.jpg)
/live/media/SQ/SQ_FG88B_Kit.jpg)
/live/media/SQ/SQ_FG88B_Con.jpg)
SpectraPart #: FG88B
Spectra FG88B Fuel Tank Sending Unit
⚙️ 82 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$56.85Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and Pontiac, Impala, Bel Air, Biscayne, Caprice, Bonneville, Catalina, and Star Chief
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Fuel Tank Sending Unit options
Reliable Fuel Tank Sending Unit for Chevrolet and Pontiac Models
The Spectra FG88B fuel tank sending unit is designed to provide accurate fuel level readings for select Chevrolet and Pontiac vehicles. Engineered to meet OEM specifications, this component ensures consistent performance and compatibility with your classic car's fuel system.
- Compatible with Chevrolet Bel Air, Caprice, and Impala models
- Also fits Pontiac Bonneville and Catalina vehicles
- Direct replacement for original fuel tank sending units
- Durable construction for long-lasting operation
- Part number FG88B for precise identification and fitment
Product Details and Compatibility
The Spectra FG88B fuel tank sending unit is specifically designed for use in Chevrolet Bel Air, Caprice, and Impala models, as well as Pontiac Bonneville and Catalina vehicles. This part replaces the original sending unit to maintain accurate fuel gauge readings, which is critical for vehicle operation and driver awareness. Manufactured to meet or exceed OEM standards, the FG88B ensures proper fit and function within the fuel tank assembly.
Common Applications and Problem Resolution
- Corrects inaccurate or fluctuating fuel gauge readings
- Resolves fuel level sensor failures in Chevrolet and Pontiac classic cars
- Addresses issues with fuel gauge stuck on empty or full
- Replaces worn or damaged sending units to restore fuel system reliability
- Improves fuel monitoring for better trip planning and fuel management
Installation Notes and Tips
Installation of the Spectra FG88B fuel tank sending unit requires basic mechanical skills and proper safety precautions when working with the fuel system. It is recommended to depressurize the fuel system and disconnect the battery before beginning. Ensure the sending unit is securely mounted and electrical connections are clean and tight to avoid signal issues. Consult the vehicle’s service manual for specific removal and installation procedures related to Chevrolet Bel Air, Caprice, Impala, Pontiac Bonneville, and Catalina models.
Quality Assurance and Warranty Information
Spectra parts are manufactured to meet stringent quality standards, ensuring reliable performance and durability. The FG88B fuel tank sending unit undergoes thorough testing to verify compatibility and function. This product is backed by a limited warranty against defects in materials and workmanship, providing confidence in your replacement part.
This part fits 82 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1967 | Chevrolet | Impala | Hardtop | 7.0L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1967 | Chevrolet | Impala | Convertible | 7.0L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1967 | Chevrolet | Impala | Hardtop | 6.5L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1967 | Chevrolet | Impala | Convertible | 6.5L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1967 | Chevrolet | Impala | Hardtop | 5.3L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1967 | Chevrolet | Impala | Convertible | 5.3L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1967 | Chevrolet | Impala | Sedan | 4.6L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1967 | Chevrolet | Impala | Convertible | 4.6L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1967 | Chevrolet | Impala | Sedan | 4.1L | L6 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1967 | Chevrolet | Impala | Hardtop | 4.1L | L6 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1967 | Chevrolet | Impala | Convertible | 4.1L | L6 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1966 | Chevrolet | Bel Air | Sedan | 7.0L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1966 | Chevrolet | Bel Air | Sedan | 6.5L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return; Failure to replace the fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and clean prior to installation. |
| 1966 | Chevrolet | Bel Air | Sedan | 5.3L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return; Failure to replace the fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and clean prior to installation. |
| 1966 | Chevrolet | Bel Air | Sedan | 4.6L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return; Failure to replace the fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and clean prior to installation. |
| 1966 | Chevrolet | Bel Air | Sedan | 4.1L | L6 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return; Failure to replace the fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and clean prior to installation. |
| 1966 | Chevrolet | Bel Air | 7.0L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return Line; Except Wagon; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation | |
| 1966 | Chevrolet | Bel Air | 6.5L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return Line; Except Wagon; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation | |
| 1966 | Chevrolet | Bel Air | 5.3L | V8 | N/A | 3/8 in. Outlet; Except Wagon; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation | |
| 1966 | Chevrolet | Bel Air | 4.6L | V8 | N/A | 3/8 in. Outlet; Except Wagon; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation | |
| 1966 | Chevrolet | Caprice | Hardtop | 4.6L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1966 | Chevrolet | Caprice | 7.0L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return Line; Except Wagon; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation | |
| 1966 | Chevrolet | Caprice | 6.5L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return Line; Except Wagon; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation | |
| 1966 | Chevrolet | Caprice | 5.3L | V8 | N/A | 3/8 in. Outlet; Except Wagon; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation | |
| 1966 | Chevrolet | Caprice | 4.6L | V8 | N/A | 3/8 in. Outlet; Except Wagon; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation | |
| 1966 | Chevrolet | Impala | Hardtop | 7.0L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1966 | Chevrolet | Impala | Convertible | 7.0L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1966 | Chevrolet | Impala | Sedan | 6.5L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1966 | Chevrolet | Impala | Hardtop | 6.5L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1966 | Chevrolet | Impala | Convertible | 6.5L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1966 | Chevrolet | Impala | Sedan | 5.3L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1966 | Chevrolet | Impala | Hardtop | 5.3L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1966 | Chevrolet | Impala | Convertible | 5.3L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1966 | Chevrolet | Impala | Sedan | 4.6L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1966 | Chevrolet | Impala | Convertible | 4.6L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1966 | Chevrolet | Impala | Sedan | 4.1L | L6 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1966 | Chevrolet | Impala | Hardtop | 4.1L | L6 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1966 | Chevrolet | Impala | Convertible | 4.1L | L6 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1966 | Chevrolet | Impala | 7.0L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return Line; Except Wagon; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation | |
| 1966 | Chevrolet | Impala | 6.5L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return Line; Except Wagon; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation | |
| 1966 | Chevrolet | Impala | 5.3L | V8 | N/A | 3/8 in. Outlet; Except Wagon; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation | |
| 1966 | Chevrolet | Impala | 4.6L | V8 | N/A | 3/8 in. Outlet; Except Wagon; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation | |
| 1966 | Pontiac | Bonneville | 6.9L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return Line; Except Wagon; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation | |
| 1966 | Pontiac | Bonneville | 6.4L | V8 | N/A | 3/8 in. Outlet; Except Wagon; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation | |
| 1966 | Pontiac | Catalina | 6.9L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return Line; Except Wagon; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation | |
| 1966 | Pontiac | Catalina | 6.4L | V8 | N/A | 3/8 in. Outlet; Except Wagon; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation | |
| 1965 | Chevrolet | Bel Air | Sedan | 6.7L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return; Failure to replace the fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and clean prior to installation. |
| 1965 | Chevrolet | Bel Air | Sedan | 6.5L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return; Failure to replace the fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and clean prior to installation. |
| 1965 | Chevrolet | Bel Air | Sedan | 5.3L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return; Failure to replace the fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and clean prior to installation. |
| 1965 | Chevrolet | Bel Air | Sedan | 4.6L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return; Failure to replace the fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and clean prior to installation. |
| 1965 | Chevrolet | Bel Air | Sedan | 4.1L | L6 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return; Failure to replace the fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and clean prior to installation. |
| 1965 | Chevrolet | Bel Air | Sedan | 3.8L | L6 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return; Failure to replace the fuel tank lock ring and seal will void warranty; Fuel tank must be inspected and clean prior to installation. |
| 1965 | Chevrolet | Bel Air | 6.7L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return Line; Except Wagon; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation | |
| 1965 | Chevrolet | Bel Air | 6.5L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return Line; Except Wagon; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation | |
| 1965 | Chevrolet | Bel Air | 5.3L | V8 | N/A | 3/8 in. Outlet; Except Wagon; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation | |
| 1965 | Chevrolet | Bel Air | 4.6L | V8 | N/A | 3/8 in. Outlet; Except Wagon; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation | |
| 1965 | Chevrolet | Impala | Sedan | 6.7L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1965 | Chevrolet | Impala | Hardtop | 6.7L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1965 | Chevrolet | Impala | Convertible | 6.7L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1965 | Chevrolet | Impala | Sedan | 6.5L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1965 | Chevrolet | Impala | Hardtop | 6.5L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1965 | Chevrolet | Impala | Convertible | 6.5L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1965 | Chevrolet | Impala | Sedan | 5.3L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1965 | Chevrolet | Impala | Hardtop | 5.3L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1965 | Chevrolet | Impala | Convertible | 5.3L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1965 | Chevrolet | Impala | Sedan | 4.6L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1965 | Chevrolet | Impala | Convertible | 4.6L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1965 | Chevrolet | Impala | Sedan | 4.1L | L6 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1965 | Chevrolet | Impala | Hardtop | 4.1L | L6 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1965 | Chevrolet | Impala | Convertible | 4.1L | L6 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1965 | Chevrolet | Impala | Hardtop | 3.8L | L6 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1965 | Chevrolet | Impala | Convertible | 3.8L | L6 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1965 | Chevrolet | Impala | 6.7L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return Line; Except Wagon; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation | |
| 1965 | Chevrolet | Impala | 6.5L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return Line; Except Wagon; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation | |
| 1965 | Chevrolet | Impala | 5.3L | V8 | N/A | 3/8 in. Outlet; Except Wagon; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation | |
| 1965 | Chevrolet | Impala | 4.6L | V8 | N/A | 3/8 in. Outlet; Except Wagon; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation | |
| 1965 | Pontiac | Bonneville | Hardtop | 6.9L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return; Fits: Hardtop; Convertible and Sedan; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
| 1965 | Pontiac | Bonneville | Hardtop | 6.4L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return |
| 1965 | Pontiac | Bonneville | 6.9L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return Line; Except Wagon; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation | |
| 1965 | Pontiac | Bonneville | 6.4L | V8 | N/A | 3/8 in. Outlet; Except Wagon; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation | |
| 1965 | Pontiac | Catalina | 6.9L | V8 | N/A | 3/8 in. Outlet; w/o 1/4 in. Fuel Return Line; Except Wagon; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation | |
| 1965 | Pontiac | Catalina | 6.4L | V8 | N/A | 3/8 in. Outlet; Except Wagon; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty; Fuel Tank Must Be Inspected And Clean Prior To Installation |
* 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:
191804576426973E2616ATNKFG88B
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.