Standard Ignition S-668 Fuel Level Sensor Connector

Name: Standard Ignition S-668 Fuel Level Sensor Connector
Brand: Standard Ignition
SKU: FBHK-S-668
Price: 17.75 USD
Availability: InStock

158 vehicles fit this part

Select your vehicle to confirm fitment

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OE Direct Replacement — Bolt-on fit, no modifications needed

Fitment: Chevrolet, GMC, Cadillac, Oldsmobile, Buick, and Pontiac, Blazer, C1500, C1500 Suburban, C2500, C2500 Suburban, C3500, K1500, K1500 Suburban, K2500, K2500 Suburban, K3500, Jimmy, Yukon, Allante, Commercial Chassis, Eldorado, Seville, Beretta, Camaro, Caprice, Cavalier, Corsica, Corvette, Monte Carlo, Nova, Spectrum, Sprint, 98, Custom Cruiser, Cutlass Calais, Cutlass Ciera, Cutlass Cruiser, Cutlass Supreme, Delta 88, Toronado, Regal, Riviera, Skylark, Somerset, Chevette, El Camino, Calais, Cutlass, Grand Prix, Century, Electra, DeVille, Cutlass Salon, Somerset Regal, Citation II, Impala, 6000, Bonneville, Grand Am, Fleetwood, and Omega

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Fuel Level Sensor Connector for GM Applications

Standard Ignition S-668 is a fuel level sensor connector pigtail assembly built for electrical repair at the fuel tank sender circuit. It uses high-grade materials to support solid conductivity and consistent terminal contact, helping restore a dependable connection where the original connector has failed.

Compatible With 1984-1988 Buick Century, 1984-1987 Buick Regal, 1984-1986 Buick Century, 1987 Buick Skylark, 1988 Chevrolet Camaro, 1984-1988 Chevrolet Caprice, and other listed GM vehicles, this Standard Ignition S-668 connector is a direct-fit service part for fuel level sensor wiring repairs.

Fuel level sensor connector pigtail assembly
Male connector with female terminals
4 blade terminals and 4-wire configuration
Built for electrical connector repair in fuel delivery systems
Designed for GM fuel sender and tank harness service work

Detailed Product Overview

Standard Ignition S-668 is engineered for technicians replacing damaged, corroded, or heat-affected fuel level sensor connectors. The 4-blade terminal design supports a secure electrical interface for the sender circuit, while the pigtail assembly format makes it suitable for harness-side repair. This part cross-references Dorman - Conduct-Tite 85388 for the same application. Use S-668 when servicing GM cars and trucks such as Chevrolet Camaro, Chevrolet Caprice, and GMC Yukon applications listed in the fitment data.

Common Repair Uses

Broken or brittle fuel tank connector housing
Intermittent fuel gauge readings caused by poor terminal contact
Corrosion at the fuel level sender connector
Heat damage or melted wiring at the tank harness
Open circuit or high-resistance connection at the sender plug

Installation Notes and Tips

Verify connector style, terminal count, and wire layout against the original part before installation. Match the vehicle harness and fuel level sensor wiring carefully, then splice and seal the pigtail according to standard electrical repair practices. Confirm proper terminal engagement and inspect the circuit after installation to ensure accurate fuel gauge operation.

Quality Assurance

Standard Ignition builds its pigtails and sockets with materials selected for conductivity and reliable connection quality. The brand’s long-running focus on technician-driven electrical repair parts supports consistent service performance across GM fuel level sensor applications.

Brand	Standard Ignition
Part Number	S-668
Connector Gender	Male
Contents	Pigtail Assembly
Terminal Gender	Female
Terminal Type	4 Blade Terminals

This part fits 158 vehicles. Search below:

Year	Make	Model	Position	Notes
1994	Chevrolet	Blazer	N/A
1994	Chevrolet	C1500	N/A
1994	Chevrolet	C1500 Suburban	N/A
1994	Chevrolet	C2500	N/A
1994	Chevrolet	C2500 Suburban	N/A
1994	Chevrolet	C3500	N/A
1994	Chevrolet	K1500	N/A
1994	Chevrolet	K1500 Suburban	N/A
1994	Chevrolet	K2500	N/A
1994	Chevrolet	K2500 Suburban	N/A
1994	Chevrolet	K3500	N/A
1994	GMC	C1500	N/A
1994	GMC	C1500 Suburban	N/A
1994	GMC	C2500	N/A
1994	GMC	C2500 Suburban	N/A
1994	GMC	C3500	N/A
1994	GMC	Jimmy	N/A
1994	GMC	K1500	N/A
1994	GMC	K1500 Suburban	N/A
1994	GMC	K2500	N/A
1994	GMC	K2500 Suburban	N/A
1994	GMC	K3500	N/A
1994	GMC	Yukon	N/A
1988	Cadillac	Allante	N/A
1988	Cadillac	Commercial Chassis	N/A
1988	Cadillac	Eldorado	N/A
1988	Cadillac	Seville	N/A
1988	Chevrolet	Camaro	N/A	Black; 4 Term. Female
1988	Chevrolet	Caprice	N/A
1988	Chevrolet	Caprice	N/A	Black; 4 Term. Female
1988	Chevrolet	Cavalier	N/A
1988	Chevrolet	Corsica	N/A
1988	Chevrolet	Corvette	N/A
1988	Chevrolet	Monte Carlo	N/A
1988	Chevrolet	Nova	N/A
1988	Chevrolet	Spectrum	N/A
1988	Chevrolet	Sprint	N/A
1988	Oldsmobile	98	N/A
1988	Oldsmobile	Custom Cruiser	N/A
1988	Oldsmobile	Cutlass Calais	N/A
1988	Oldsmobile	Cutlass Calais	N/A	Black; 4 Term. Female
1988	Oldsmobile	Cutlass Ciera	N/A
1988	Oldsmobile	Cutlass Cruiser	N/A
1988	Oldsmobile	Cutlass Supreme	N/A
1988	Oldsmobile	Delta 88	N/A
1988	Oldsmobile	Toronado	N/A
1987	Buick	Regal	N/A	Black; 4 Term. Female
1987	Buick	Riviera	N/A
1987	Buick	Skylark	N/A
1987	Buick	Skylark	N/A	Black; 4 Term. Female
1987	Cadillac	Allante	N/A
1987	Cadillac	Commercial Chassis	N/A
1987	Cadillac	Eldorado	N/A
1987	Cadillac	Seville	N/A
1987	Chevrolet	Camaro	N/A
1987	Chevrolet	Caprice	N/A
1987	Chevrolet	Cavalier	N/A
1987	Chevrolet	Chevette	N/A
1987	Chevrolet	Corsica	N/A
1987	Chevrolet	Corvette	N/A
1987	Chevrolet	El Camino	N/A
1987	Chevrolet	Monte Carlo	N/A
1987	Chevrolet	Nova	N/A
1987	Chevrolet	Spectrum	N/A
1987	Chevrolet	Sprint	N/A
1987	Oldsmobile	98	N/A
1987	Oldsmobile	Calais	N/A
1987	Oldsmobile	Custom Cruiser	N/A
1987	Oldsmobile	Cutlass	N/A
1987	Oldsmobile	Cutlass Ciera	N/A
1987	Oldsmobile	Cutlass Supreme	N/A
1987	Oldsmobile	Delta 88	N/A
1987	Oldsmobile	Toronado	N/A
1987	Pontiac	Grand Prix	N/A
1986	Buick	Century	N/A	Black; 4 Term. Female
1986	Buick	Regal	N/A	Black; 4 Term. Female
1986	Buick	Riviera	N/A
1986	Cadillac	Commercial Chassis	N/A
1986	Cadillac	DeVille	N/A
1986	Cadillac	Eldorado	N/A
1986	Cadillac	Seville	N/A
1986	Chevrolet	Camaro	N/A
1986	Chevrolet	Caprice	N/A
1986	Chevrolet	Cavalier	N/A
1986	Chevrolet	Chevette	N/A
1986	Chevrolet	Corvette	N/A
1986	Chevrolet	El Camino	N/A
1986	Chevrolet	Monte Carlo	N/A
1986	Chevrolet	Nova	N/A
1986	Chevrolet	Spectrum	N/A
1986	Chevrolet	Sprint	N/A
1986	Oldsmobile	98	N/A
1986	Oldsmobile	Calais	N/A
1986	Oldsmobile	Custom Cruiser	N/A
1986	Oldsmobile	Cutlass	N/A
1986	Oldsmobile	Cutlass Ciera	N/A
1986	Oldsmobile	Cutlass Salon	N/A
1986	Oldsmobile	Cutlass Supreme	N/A
1986	Oldsmobile	Delta 88	N/A
1986	Oldsmobile	Toronado	N/A
1985	Buick	Century	N/A	Black; 4 Term. Female
1985	Buick	Regal	N/A	Black; 4 Term. Female
1985	Cadillac	Commercial Chassis	N/A
1985	Cadillac	DeVille	N/A
1985	Cadillac	Eldorado	N/A
1985	Cadillac	Seville	N/A
1985	Chevrolet	Camaro	N/A
1985	Chevrolet	Caprice	N/A
1985	Chevrolet	Cavalier	N/A
1985	Chevrolet	Chevette	N/A
1985	Chevrolet	Citation II	N/A
1985	Chevrolet	Corvette	N/A
1985	Chevrolet	El Camino	N/A
1985	Chevrolet	Impala	N/A
1985	Chevrolet	Monte Carlo	N/A
1985	Chevrolet	Nova	N/A
1985	Chevrolet	Spectrum	N/A
1985	Chevrolet	Sprint	N/A
1985	Oldsmobile	98	N/A
1985	Oldsmobile	Calais	N/A
1985	Oldsmobile	Custom Cruiser	N/A
1985	Oldsmobile	Cutlass	N/A
1985	Oldsmobile	Cutlass Ciera	N/A
1985	Oldsmobile	Cutlass Salon	N/A
1985	Oldsmobile	Cutlass Supreme	N/A
1985	Oldsmobile	Delta 88	N/A
1985	Oldsmobile	Toronado	N/A
1985	Pontiac	6000	N/A
1985	Pontiac	Bonneville	N/A
1985	Pontiac	Grand Am	N/A
1985	Pontiac	Grand Prix	N/A
1984	Buick	Century	N/A	Black; 4 Term. Female
1984	Buick	Regal	N/A	Black; 4 Term. Female
1984	Cadillac	Commercial Chassis	N/A
1984	Cadillac	DeVille	N/A
1984	Cadillac	Eldorado	N/A
1984	Cadillac	Fleetwood	N/A
1984	Cadillac	Seville	N/A
1984	Chevrolet	Camaro	N/A
1984	Chevrolet	Caprice	N/A
1984	Chevrolet	Cavalier	N/A
1984	Chevrolet	Chevette	N/A
1984	Chevrolet	Citation II	N/A
1984	Chevrolet	Corvette	N/A
1984	Chevrolet	El Camino	N/A
1984	Chevrolet	Impala	N/A
1984	Chevrolet	Monte Carlo	N/A
1984	Oldsmobile	98	N/A
1984	Oldsmobile	Custom Cruiser	N/A
1984	Oldsmobile	Cutlass Calais	N/A
1984	Oldsmobile	Cutlass Ciera	N/A
1984	Oldsmobile	Cutlass Supreme	N/A
1984	Oldsmobile	Delta 88	N/A
1984	Oldsmobile	Omega	N/A
1984	Oldsmobile	Toronado	N/A
1984	Pontiac	6000	N/A
1984	Pontiac	Bonneville	N/A
1984	Pontiac	Grand Prix	N/A

* 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:

120855301P1359350-33957-51387278538888862257EC131PT323PTA1945

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.