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Sparta PN3186 Fuel Transfer Unit
| Brand | Sparta PN3186 |
|---|---|
| Outlet Outside Diameter | 0.500 |
| Outlet Outside Diameter | 12.6 |
| Fuel Type | Diesel |
| Nozzle Shut Off Valve Included | No |
| Regulator Included | No |
| Self Priming | No |
| Suction Pipe Included | No |
| Metered | No |
| Terminal Type | Pin |
| Connector Shape | Oval |
| Gasket Or Seal Included | Yes |
| Housing Material | Plastic |
| Terminal Quantity | 4 |
| Connector Gender | Female |
| Terminal Gender | Male |
| Strainer Included | Yes |
| Flow Rate | 0 |
| Inlet Type | Strainer |
| Outlet Type | Quick connect |
| Outlet Quantity | 2 |
| In Tank or External | In tank |
| Resistance Ohms Empty | 40.0 |
| Resistance Ohms Full | 250.0 |
| Internal Or External Strainer | Internal |
| Fuel Tank Pressure Sensor Included | No |
| Package Contents | Fuel transfer unit w/float arm, seal, instruction sheet |
| Fits | Chevrolet and GMC · 16 vehicles |
OE-supplier backed. Distributed by Delphi, the OE full-line fuel expert.
Built for older vehicles. Tailored for higher-mileage, earlier-model applications.
Diesel in-tank unit. Includes a seal and internal strainer for clean fuel delivery.
Cross-references Carter P76668R, Spectra Premium SP6242M and 1AMFP00155 for the same application. See all 13.
Fuel Transfer Unit for Diesel Applications
The Sparta PN3186 fuel transfer unit is built for diesel fuel systems on select higher-mileage, earlier-model GM trucks. It is a direct-fit in-tank unit with a float arm, internal strainer, seal, and quick-connect outlet design for service on the fuel delivery side.
Compatible With 2001-2004 Chevrolet Silverado 2500 HD, 2001-2004 Chevrolet Silverado 3500, 2001-2004 GMC Sierra 2500 HD, and 2001-2004 GMC Sierra 3500.
- Fuel type: diesel
- In-tank fuel transfer unit with float arm
- Two quick-connect outlets
- Internal strainer included
- Gasket or seal included
- Female oval connector with 4 terminals
- Plastic housing
- Resistance: 40 ohms empty, 250 ohms full
- Outlet outside diameter: 0.500 in. / 12.6 mm
- Package contents: fuel transfer unit w/float arm, seal, instruction sheet
Fitment and Application Details
Sparta PN3186 is a diesel fuel transfer unit for select GM heavy-duty pickups. It fits 2001-2004 Chevrolet Silverado 2500 HD, 2001-2004 Chevrolet Silverado 3500, 2001-2004 GMC Sierra 2500 HD, and 2001-2004 GMC Sierra 3500. This part cross-references Carter P76668R for the same application.
As a fuel transfer unit, PN3186 manages fuel delivery from the tank and works with the sender-style resistance range used by the vehicle’s fuel level circuit. The in-tank layout, internal strainer, and quick-connect outlet configuration support a clean replacement on diesel-equipped Silverado and Sierra models.
Common Issues This Part Addresses
- Fuel delivery problems caused by a worn in-tank transfer unit
- Fuel level reading errors from a failing sender assembly
- Restricted fuel flow from a damaged or clogged internal strainer
- Leak concerns at the tank seal or outlet connection points
- Starting and drivability issues related to inconsistent diesel fuel supply
Installation Notes and Tips
Verify the connector style, terminal count, outlet type, and resistance range before installation. PN3186 uses a female oval connector with 4 terminals, a pin-style terminal design, and two quick-connect outlets. Confirm tank access, clean the mounting area, and inspect the fuel lines and electrical connector before reassembly.
Because this unit is designed for in-tank use, proper sealing and alignment are important during installation. Follow the included instruction sheet and confirm the float arm moves freely before closing the tank.
Quality Assurance
Sparta is distributed by Delphi, an OE fuel-system supplier, and is positioned for higher-mileage and earlier-model vehicles where fit and performance matter. PN3186 is built as a diesel fuel transfer unit for the listed Chevrolet Silverado and GMC Sierra applications.
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2004 | Chevrolet | Silverado 2500 HD | — | 6.6L | V8 | N/A | — |
| 2004 | Chevrolet | Silverado 3500 | Standard Cab Pickup | 6.6L | V8 | N/A | — |
| 2004 | GMC | Sierra 2500 HD | — | 6.6L | V8 | N/A | — |
| 2004 | GMC | Sierra 3500 | Standard Cab Pickup | 6.6L | V8 | N/A | — |
| 2003 | Chevrolet | Silverado 2500 HD | — | 6.6L | V8 | N/A | — |
| 2003 | Chevrolet | Silverado 3500 | Standard Cab Pickup | 6.6L | V8 | N/A | — |
| 2003 | GMC | Sierra 2500 HD | — | 6.6L | V8 | N/A | — |
| 2003 | GMC | Sierra 3500 | Standard Cab Pickup | 6.6L | V8 | N/A | — |
| 2002 | Chevrolet | Silverado 2500 HD | — | 6.6L | V8 | N/A | — |
| 2002 | Chevrolet | Silverado 3500 | Standard Cab Pickup | 6.6L | V8 | N/A | — |
| 2002 | GMC | Sierra 2500 HD | — | 6.6L | V8 | N/A | — |
| 2002 | GMC | Sierra 3500 | Standard Cab Pickup | 6.6L | V8 | N/A | — |
| 2001 | Chevrolet | Silverado 2500 HD | — | 6.6L | V8 | N/A | — |
| 2001 | Chevrolet | Silverado 3500 | Standard Cab Pickup | 6.6L | V8 | N/A | — |
| 2001 | GMC | Sierra 2500 HD | — | 6.6L | V8 | N/A | — |
| 2001 | GMC | Sierra 3500 | Standard Cab Pickup | 6.6L | V8 | N/A | — |
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