OE Quality
60-Day Returns

Baldwin BF9851 Fuel Filter
Overview of Baldwin BF9851 Fuel Filter
The Baldwin BF9851 fuel filter is designed specifically for select Saturn models from the late 1990s to early 2000s. This fuel filter ensures clean fuel delivery by effectively removing contaminants, helping maintain engine performance and longevity.
- Compatible with 1998-2001 Saturn SW1, SW2 and 1998-2002 SC1, SL1, SC2, SL2, and 2000-2002 SL models
- Includes two 3/8 inch plastic clips and one 5/16 inch plastic clip for secure installation
- Inlet and outlet size: 3/8 inch (8 mm)
- Length: 8 15/32 inches (215.1 mm)
- Outside diameter: 2 11/32 inches (59.5 mm)
- Replaces Saturn OEM part number 21009427
Detailed Product Description
The Baldwin BF9851 fuel filter is engineered to meet the specifications required for proper fuel filtration in Saturn SC1, SC2, SL, SL1, SL2, SW1, and SW2 vehicles produced between 1998 and 2002. Its precise dimensions, including an 8 15/32 inch length and 2 11/32 inch outside diameter, ensure a proper fit within the fuel system. The filter features 3/8 inch plastic inlet and outlet connections, compatible with the original fuel lines. Included plastic clips (two 3/8 inch and one 5/16 inch) facilitate a secure and leak-free installation. This filter replaces the Saturn OEM part 21009427, providing a reliable aftermarket alternative for maintaining fuel system cleanliness.
Common Applications and Issues Addressed
- Prevents fuel contamination that can cause engine misfires or rough idling
- Helps avoid clogged fuel injectors and reduced fuel efficiency
- Protects the fuel pump from debris and premature wear
- Reduces the risk of stalling or hesitation during acceleration
- Maintains consistent fuel pressure for optimal engine performance
Installation Notes and Tips
- Ensure the vehicle is off and fuel system pressure is relieved before installation
- Use the included plastic clips to secure the fuel lines firmly to the filter
- Verify inlet and outlet orientation matches the original filter for proper flow direction
- Inspect fuel lines for wear or damage during replacement and replace if necessary
- Dispose of the old fuel filter according to local regulations
Quality Assurance and Warranty
Baldwin fuel filters are manufactured to meet industry standards for filtration efficiency and durability. The BF9851 is designed to provide consistent performance in compatible Saturn vehicles. While specific warranty details may vary, Baldwin products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms.
| Brand | Baldwin |
| Part Number | BF9851 |
| Contains | [2] 3/8 Inch Plastic Clips;[1] 5/16 Inch Plastic Clip;5/16 Inch Return Line |
| Fits | "1998-2001 Saturn SW1, SW2, 1998-2002 SC1, SL1, SC2, SL2, 2000-02 SL" |
| Inlet | 8-Mar |
| Length | 8 15/32 |
| Length (mm) | 215.1 |
| Outlet | 8-Mar |
| Outside Diameter 1 | 2 11/32 |
| Outside Diameter 1 (mm) | 59.5 |
| Replaces | Saturn 21009427 |
This part fits 29 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2002 | Saturn | SC1 | 1.9L | L4 | N/A | OE Number : 21009427 |
| 2002 | Saturn | SC2 | 1.9L | L4 | N/A | OE Number : 21009427 |
| 2002 | Saturn | SL | 1.9L | L4 | N/A | OE Number : 21009427 |
| 2002 | Saturn | SL1 | 1.9L | L4 | N/A | OE Number : 21009427 |
| 2002 | Saturn | SL2 | 1.9L | L4 | N/A | OE Number : 21009427 |
| 2001 | Saturn | SC1 | 1.9L | L4 | N/A | OE Number : 21009427 |
| 2001 | Saturn | SC2 | 1.9L | L4 | N/A | OE Number : 21009427 |
| 2001 | Saturn | SL | 1.9L | L4 | N/A | OE Number : 21009427 |
| 2001 | Saturn | SL1 | 1.9L | L4 | N/A | OE Number : 21009427 |
| 2001 | Saturn | SL2 | 1.9L | L4 | N/A | OE Number : 21009427 |
| 2001 | Saturn | SW2 | 1.9L | L4 | N/A | OE Number : 21009427 |
| 2000 | Saturn | SC1 | 1.9L | L4 | N/A | OE Number : 21009427 |
| 2000 | Saturn | SC2 | 1.9L | L4 | N/A | OE Number : 21009427 |
| 2000 | Saturn | SL | 1.9L | L4 | N/A | OE Number : 21009427 |
| 2000 | Saturn | SL1 | 1.9L | L4 | N/A | OE Number : 21009427 |
| 2000 | Saturn | SL2 | 1.9L | L4 | N/A | OE Number : 21009427 |
| 2000 | Saturn | SW2 | 1.9L | L4 | N/A | OE Number : 21009427 |
| 1999 | Saturn | SC1 | 1.9L | L4 | N/A | OE Number : 21009427 |
| 1999 | Saturn | SC2 | 1.9L | L4 | N/A | OE Number : 21009427 |
| 1999 | Saturn | SL1 | 1.9L | L4 | N/A | OE Number : 21009427 |
| 1999 | Saturn | SL2 | 1.9L | L4 | N/A | OE Number : 21009427 |
| 1999 | Saturn | SW1 | 1.9L | L4 | N/A | OE Number : 21009427 |
| 1999 | Saturn | SW2 | 1.9L | L4 | N/A | OE Number : 21009427 |
| 1998 | Saturn | SC1 | 1.9L | L4 | N/A | OE Number : 21009427 |
| 1998 | Saturn | SC2 | 1.9L | L4 | N/A | OE Number : 21009427 |
| 1998 | Saturn | SL1 | 1.9L | L4 | N/A | OE Number : 21009427 |
| 1998 | Saturn | SL2 | 1.9L | L4 | N/A | OE Number : 21009427 |
| 1998 | Saturn | SW1 | 1.9L | L4 | N/A | OE Number : 21009427 |
| 1998 | Saturn | SW2 | 1.9L | L4 | N/A | OE Number : 21009427 |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.