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Pronto DF30121 Fuel Filter - Secondary
| Brand | Pronto DF30121 |
|---|---|
| Position | Secondary |
| Fits | —219 vehicles |
Fuel filter. Helps keep contaminants out of the fuel system.
Pronto DF30121 Fuel Filter
The Pronto DF30121 fuel filter is a direct replacement part for maintaining clean fuel delivery in compatible vehicles. It is built for drivers searching for a fuel filter for Pronto DF30121 applications and for service work on specific make/model fitments.
Key Features
- Fuel filter for air and fuel delivery service
- Pronto DF30121 replacement part number for catalog matching
- Supports routine fuel system maintenance
- Helps keep contaminants out of the fuel stream
Detailed Description
Use the Pronto DF30121 when replacing a restricted or worn fuel filter in supported applications. This part is listed under Air and Fuel Delivery > Filters and is suited for buyers looking up Pronto DF30121 fuel filter replacement, fuel filter for Pronto DF30121, and vehicle-specific fuel system service parts. If you are servicing a compatible make/model, verify the application details before ordering to confirm the correct fit.
This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
What It Helps Address
- Fuel flow restriction from a clogged filter
- Contaminants entering the fuel delivery system
- Rough running caused by fuel starvation
- Hard starting related to restricted fuel supply
- Maintenance intervals for fuel system service
Installation Notes and Tips
Confirm the vehicle application by year, make, and model before installation. Replace the filter according to the service schedule for the vehicle, and inspect fuel lines and connections during service to help ensure proper sealing and flow.
Quality Assurance
Pronto identifies this part as DF30121 for catalog accuracy and application matching. Use the part number DF30121 when cross-checking fitment for Pronto fuel filter replacement needs.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2017 | Peterbilt | 389 | 14.9L | L6 | N/A | Pre-2010 Emissions; Pressure Side |
| 2016 | Peterbilt | 389 | 14.9L | L6 | N/A | Pre-2010 Emissions; Pressure Side |
| 2016 | Western Star | 6900XD | 14.9L | L6 | N/A | Pressure Side |
| 2015 | Peterbilt | 388 | 14.9L | L6 | N/A | Pre-2010 Emissions; Pressure Side |
| 2015 | Peterbilt | 389 | 14.9L | L6 | N/A | Pre-2010 Emissions; Pressure Side |
| 2015 | Western Star | 6900XD | 14.9L | L6 | N/A | Pressure Side |
| 2014 | Peterbilt | 388 | 14.9L | L6 | N/A | Pre-2010 Emissions; Pressure Side |
| 2014 | Peterbilt | 389 | 14.9L | L6 | N/A | Pre-2010 Emissions; Pressure Side |
| 2013 | International | ProStar | 14.9L | L6 | Secondary | Pre 2010 Emissions |
| 2013 | Peterbilt | 388 | 14.9L | L6 | N/A | Pre-2010 Emissions; Pressure Side |
| 2013 | Peterbilt | 389 | 14.9L | L6 | N/A | Pre-2010 Emissions; Pressure Side |
| 2013 | Western Star | 6900XD | 14.9L | L6 | N/A | Pressure Side |
| 2012 | International | ProStar | 14.9L | L6 | Secondary | Pre 2010 Emissions |
| 2012 | Peterbilt | 388 | 14.9L | L6 | N/A | Pre-2010 Emissions; Pressure Side |
| 2012 | Peterbilt | 389 | 14.9L | L6 | N/A | Pre-2010 Emissions; Pressure Side |
| 2012 | Western Star | 6900XD | 14.9L | L6 | N/A | Pressure Side |
| 2011 | International | ProStar | 14.9L | L6 | Secondary | Pre 2010 Emissions |
| 2011 | Kenworth | T2000 | 14.9L | L6 | Secondary | FF2200 |
| 2011 | Peterbilt | 388 | 14.9L | L6 | N/A | Pre-2010 Emissions; Pressure Side |
| 2011 | Peterbilt | 389 | 14.9L | L6 | N/A | Pre-2010 Emissions; Pressure Side |
| 2010 | International | ProStar | 14.9L | L6 | Secondary | Pre 2010 Emissions |
| 2010 | Kenworth | T2000 | 14.9L | L6 | Secondary | FF2200 |
| 2010 | Kenworth | T660 | 14.9L | L6 | Secondary | FF2200; 2007 Emission Eng. |
| 2010 | Kenworth | T800 | 14.9L | L6 | Secondary | FF2200 |
| 2010 | Peterbilt | 388 | 14.9L | L6 | N/A | Pre-2010 Emissions; Pressure Side |
| 2010 | Peterbilt | 389 | 14.9L | L6 | N/A | Pre-2010 Emissions; Pressure Side |
| 2010 | Volvo | VT | 14.9L | L6 | N/A | Pressure Side |
| 2009 | American Coach | American Heritage | 14.9L | L6 | Secondary | — |
| 2009 | Freightliner | Cascadia | 14.9L | L6 | Secondary | — |
| 2009 | Freightliner | Columbia | 14.9L | L6 | Secondary | FF2200 |
| 2009 | International | 9900i | 14.9L | L6 | Secondary | FF2201 |
| 2009 | International | 9900ix | 14.9L | L6 | Secondary | — |
| 2009 | International | LoneStar | 14.9L | L6 | Secondary | — |
| 2009 | International | ProStar | 14.9L | L6 | Secondary | — |
| 2009 | Kenworth | C500 | 14.9L | L6 | Secondary | FF2201 |
| 2009 | Kenworth | T2000 | 14.9L | L6 | Secondary | FF2200 |
| 2009 | Kenworth | T660 | 14.9L | L6 | Secondary | FF2200 |
| 2009 | Kenworth | T800 | 14.9L | L6 | Secondary | FF2200 |
| 2009 | Kenworth | W900 | 14.9L | L6 | Secondary | FF2200 |
| 2009 | Newmar | King Aire | 14.9L | L6 | Secondary | — |
| 2009 | Peterbilt | 386 | 14.9L | L6 | N/A | Pressure Side |
| 2009 | Peterbilt | 387 | 14.9L | L6 | N/A | Pressure Side |
| 2009 | Peterbilt | 388 | 14.9L | L6 | N/A | Pressure Side |
| 2009 | Peterbilt | 389 | 14.9L | L6 | N/A | Pre-2010 Emissions; Pressure Side |
| 2009 | Volvo | VNL | 14.9L | L6 | N/A | Pressure Side |
| 2009 | Volvo | VT | 14.9L | L6 | N/A | Pressure Side |
| 2009 | Western Star | 4900EX | 14.9L | L6 | Secondary | — |
| 2009 | Western Star | 4900FA | 14.9L | L6 | Secondary | — |
| 2008 | American Coach | American Heritage | 14.9L | L6 | Secondary | — |
| 2008 | Freightliner | Columbia | 14.9L | L6 | Secondary | FF2200 |
| 2008 | International | 5900i | 14.9L | L6 | Secondary | — |
| 2008 | International | 9200i SBA | 14.9L | L6 | Secondary | — |
| 2008 | International | 9900i | 14.9L | L6 | Secondary | FF2201 |
| 2008 | International | 9900ix | 14.9L | L6 | Secondary | — |
| 2008 | International | ProStar | 14.9L | L6 | Secondary | — |
| 2008 | Kenworth | C500 | 14.9L | L6 | Secondary | FF2201 |
| 2008 | Kenworth | T2000 | 14.9L | L6 | Secondary | FF2200 |
| 2008 | Kenworth | T660 | 14.9L | L6 | Secondary | FF2200 |
| 2008 | Kenworth | T800 | 14.9L | L6 | Secondary | FF2200 |
| 2008 | Kenworth | W900 | 14.9L | L6 | Secondary | FF2200 |
| 2008 | Newmar | King Aire | 14.9L | L6 | Secondary | — |
| 2008 | Peterbilt | 385 | 14.9L | L6 | N/A | Pressure Side |
| 2008 | Peterbilt | 386 | 14.9L | L6 | N/A | Pressure Side |
| 2008 | Peterbilt | 387 | 14.9L | L6 | N/A | Pressure Side |
| 2008 | Peterbilt | 388 | 14.9L | L6 | N/A | Pressure Side |
| 2008 | Peterbilt | 389 | 14.9L | L6 | N/A | Pre-2010 Emissions; Pressure Side |
| 2008 | Spartan Motors | K3 | 14.9L | L6 | Secondary | — |
| 2008 | Volvo | VNL | 14.9L | L6 | N/A | Pressure Side |
| 2008 | Volvo | VT | 14.9L | L6 | N/A | Pressure Side |
| 2007 | American Coach | American Heritage | 14.9L | L6 | Secondary | — |
| 2007 | Freightliner | Columbia | 14.9L | L6 | Secondary | FF2200 |
| 2007 | Freightliner | FLD132 | 14.9L | L6 | Secondary | FF2200 |
| 2007 | International | 5500i | 14.9L | L6 | Secondary | — |
| 2007 | International | 5900i | 14.9L | L6 | Secondary | — |
| 2007 | International | 9200i SBA | 14.9L | L6 | Secondary | — |
| 2007 | International | 9400i SBA | 14.9L | L6 | Secondary | — |
| 2007 | International | 9900i | 14.9L | L6 | Secondary | FF2201 |
| 2007 | International | 9900ix | 14.9L | L6 | Secondary | — |
| 2007 | Kenworth | C500 | 14.9L | L6 | Secondary | FF2201 |
| 2007 | Kenworth | T2000 | 14.9L | L6 | Secondary | FF2200 |
| 2007 | Kenworth | T600A | 14.9L | L6 | Secondary | FF2200 |
| 2007 | Kenworth | T800 | 14.9L | L6 | Secondary | FF2200 |
| 2007 | Kenworth | W900 | 14.9L | L6 | Secondary | FF2200 |
| 2007 | Mack | CL | 14.9L | L6 | N/A | Pressure Side |
| 2007 | Monaco Coach | Executive | 14.9L | L6 | Secondary | — |
| 2007 | Newmar | London Aire | 14.9L | L6 | Secondary | — |
| 2007 | Peterbilt | 357 | 14.9L | L6 | N/A | Pressure Side |
| 2007 | Peterbilt | 378 | 14.9L | L6 | N/A | Pressure Side |
| 2007 | Peterbilt | 379 | 14.9L | L6 | N/A | Pressure Side |
| 2007 | Peterbilt | 385 | 14.9L | L6 | N/A | Pressure Side |
| 2007 | Peterbilt | 386 | 14.9L | L6 | N/A | Pressure Side |
| 2007 | Peterbilt | 387 | 14.9L | L6 | N/A | Pressure Side |
| 2007 | Spartan Motors | K2 | 14.9L | L6 | Secondary | — |
| 2007 | Spartan Motors | K3 | 14.9L | L6 | Secondary | — |
| 2007 | Volvo | VNL | 14.9L | L6 | N/A | Pressure Side |
| 2007 | Volvo | VT | 14.9L | L6 | N/A | Pressure Side |
| 2007 | Western Star | 4900FA | 14.9L | L6 | Secondary | — |
| 2007 | Western Star | 4900SA | 14.9L | L6 | Secondary | — |
| 2006 | International | 5500i | 14.9L | L6 | Secondary | — |
| 2006 | International | 5900i | 14.9L | L6 | Secondary | — |
| 2006 | International | 9200i SBA | 14.9L | L6 | Secondary | — |
| 2006 | International | 9400i SBA | 14.9L | L6 | Secondary | — |
| 2006 | International | 9900i | 14.9L | L6 | Secondary | FF2201 |
| 2006 | International | 9900ix | 14.9L | L6 | Secondary | — |
| 2006 | Kenworth | C500 | 14.9L | L6 | Secondary | FF2201 |
| 2006 | Kenworth | T2000 | 14.9L | L6 | Secondary | FF2200 |
| 2006 | Kenworth | T600A | 14.9L | L6 | Secondary | FF2200 |
| 2006 | Kenworth | T800 | 14.9L | L6 | Secondary | FF2200 |
| 2006 | Kenworth | W900 | 14.9L | L6 | Secondary | FF2200 |
| 2006 | Mack | CL | 14.9L | L6 | N/A | Pressure Side |
| 2006 | Monaco Coach | Executive | 14.9L | L6 | Secondary | — |
| 2006 | Monaco Coach | Signature Series | 14.9L | L6 | Secondary | — |
| 2006 | Peterbilt | 357 | 14.9L | L6 | N/A | Pressure Side |
| 2006 | Peterbilt | 378 | 14.9L | L6 | N/A | Pressure Side |
| 2006 | Peterbilt | 379 | 14.9L | L6 | N/A | Pressure Side |
| 2006 | Peterbilt | 385 | 14.9L | L6 | N/A | Pressure Side |
| 2006 | Peterbilt | 387 | 14.9L | L6 | N/A | Pressure Side |
| 2006 | Spartan Motors | K3 | 14.9L | L6 | Secondary | — |
| 2006 | Volvo | VNL | 14.9L | L6 | N/A | Pressure Side |
| 2006 | Volvo | VT | 14.9L | L6 | N/A | Pressure Side |
| 2006 | Western Star | 4900SA | 14.9L | L6 | Secondary | — |
| 2005 | Holiday Rambler | Navigator | 14.9L | L6 | Secondary | — |
| 2005 | International | 5500i | 14.9L | L6 | Secondary | — |
| 2005 | International | 5900i | 14.9L | L6 | Secondary | — |
| 2005 | International | 9200i SBA | 14.9L | L6 | Secondary | — |
| 2005 | International | 9400i SBA | 14.9L | L6 | Secondary | — |
| 2005 | International | 9900i | 14.9L | L6 | Secondary | FF2201 |
| 2005 | International | 9900ix | 14.9L | L6 | Secondary | — |
| 2005 | Kenworth | C500 | 14.9L | L6 | Secondary | FF2201 |
| 2005 | Kenworth | T2000 | 14.9L | L6 | Secondary | FF2200 |
| 2005 | Kenworth | T600A | 14.9L | L6 | Secondary | FF2200 |
| 2005 | Kenworth | T800 | 14.9L | L6 | Secondary | FF2200 |
| 2005 | Kenworth | W900 | 14.9L | L6 | Secondary | FF2200 |
| 2005 | Mack | CL | 14.9L | L6 | N/A | Pressure Side |
| 2005 | Monaco Coach | Executive | 14.9L | L6 | Secondary | — |
| 2005 | Monaco Coach | Signature Series | 14.9L | L6 | Secondary | — |
| 2005 | Peterbilt | 357 | 14.9L | L6 | N/A | Pressure Side |
| 2005 | Peterbilt | 378 | 14.9L | L6 | N/A | Pressure Side |
| 2005 | Peterbilt | 379 | 14.9L | L6 | N/A | Pressure Side |
| 2005 | Peterbilt | 385 | 14.9L | L6 | N/A | Pressure Side |
| 2005 | Peterbilt | 387 | 14.9L | L6 | N/A | Pressure Side |
| 2005 | Volvo | VNL | 14.9L | L6 | N/A | Pressure Side |
| 2005 | Western Star | 4900EX | 14.9L | L6 | Secondary | — |
| 2004 | International | 5500i | 14.9L | L6 | Secondary | — |
| 2004 | International | 5900i | 14.9L | L6 | Secondary | — |
| 2004 | International | 9200i SBA | 15.0L | -6 | Secondary | — |
| 2004 | International | 9400i SBA | 14.9L | L6 | Secondary | — |
| 2004 | International | 9900i | 14.9L | L6 | Secondary | FF2201 |
| 2004 | International | 9900ix | 14.9L | L6 | Secondary | — |
| 2004 | Kenworth | C500 | 14.9L | L6 | Secondary | FF2201 |
| 2004 | Kenworth | T2000 | 14.9L | L6 | Secondary | FF2200 |
| 2004 | Kenworth | T600A | 14.9L | L6 | Secondary | FF2200 |
| 2004 | Kenworth | T800 | 14.9L | L6 | Secondary | FF2200 |
| 2004 | Kenworth | W900 | 14.9L | L6 | Secondary | FF2200 |
| 2004 | Mack | CL | 14.9L | L6 | N/A | Pressure Side |
| 2004 | Peterbilt | 357 | 14.9L | L6 | N/A | Pressure Side |
| 2004 | Peterbilt | 378 | 14.9L | L6 | N/A | Pressure Side |
| 2004 | Peterbilt | 379 | 14.9L | L6 | N/A | Pressure Side |
| 2004 | Peterbilt | 385 | 14.9L | L6 | N/A | Pressure Side |
| 2004 | Peterbilt | 387 | 14.9L | L6 | N/A | Pressure Side |
| 2004 | Spartan Motors | K3 | 14.9L | L6 | Secondary | — |
| 2004 | Volvo | VNL | 14.9L | L6 | N/A | Pressure Side |
| 2003 | Freightliner | FLD132 | 14.9L | L6 | Secondary | FF2200 |
| 2003 | International | 9200i SBA | 14.9L | L6 | Secondary | — |
| 2003 | International | 9400i SBA | 14.9L | L6 | Secondary | — |
| 2003 | International | 9900i | 14.9L | L6 | Secondary | FF2201 |
| 2003 | Kenworth | C500 | 14.9L | L6 | Secondary | FF2201 |
| 2003 | Kenworth | T2000 | 14.9L | L6 | Secondary | FF2200 |
| 2003 | Kenworth | T600A | 14.9L | L6 | Secondary | FF2200 |
| 2003 | Kenworth | T800 | 14.9L | L6 | Secondary | FF2200 |
| 2003 | Kenworth | W900 | 14.9L | L6 | Secondary | FF2200 |
| 2003 | Peterbilt | 357 | 14.9L | L6 | N/A | Pressure Side |
| 2003 | Peterbilt | 378 | 14.9L | L6 | N/A | Pressure Side |
| 2003 | Peterbilt | 379 | 14.9L | L6 | N/A | Pressure Side |
| 2003 | Peterbilt | 385 | 14.9L | L6 | N/A | Pressure Side |
| 2003 | Peterbilt | 387 | 14.9L | L6 | N/A | Pressure Side |
| 2003 | Volvo | VNL | 14.9L | L6 | N/A | Pressure Side |
| 2003 | Western Star | 4900EX | 14.9L | L6 | Secondary | — |
| 2003 | Western Star | 4900FA | 14.9L | L6 | Secondary | — |
| 2003 | Western Star | 4900SA | 14.9L | L6 | Secondary | — |
| 2002 | International | 9200i SBA | 15.0L | -6 | Secondary | — |
| 2002 | Kenworth | C500 | 14.9L | L6 | Secondary | FF2201 |
| 2002 | Kenworth | T2000 | 14.9L | L6 | Secondary | FF2200 |
| 2002 | Kenworth | T600A | 14.9L | L6 | Secondary | FF2200 |
| 2002 | Kenworth | T800 | 14.9L | L6 | Secondary | FF2200 |
| 2002 | Kenworth | W900 | 14.9L | L6 | Secondary | FF2200 |
| 2002 | Peterbilt | 357 | 14.9L | L6 | N/A | Pressure Side |
| 2002 | Peterbilt | 378 | 14.9L | L6 | N/A | Pressure Side |
| 2002 | Peterbilt | 379 | 14.9L | L6 | N/A | Pressure Side |
| 2002 | Peterbilt | 387 | 14.9L | L6 | N/A | Pressure Side |
| 2002 | Sterling Truck | A9500 | 14.9L | L6 | N/A | Pressure Side |
| 2002 | Volvo | VNL | 14.9L | L6 | N/A | Pressure Side |
| 2002 | Western Star | 4900EX | 14.9L | L6 | Secondary | — |
| 2002 | Western Star | 4900FA | 14.9L | L6 | Secondary | — |
| 2002 | Western Star | 4900SA | 14.9L | L6 | Secondary | — |
| 2001 | Freightliner | FLD120 | 14.9L | L6 | Secondary | FF2200 |
| 2001 | Freightliner | FLD132 | 14.9L | L6 | Secondary | FF2200 |
| 2001 | International | 9200i SBA | 15.0L | -6 | Secondary | — |
| 2001 | Peterbilt | 357 | 14.9L | L6 | N/A | Pressure Side |
| 2001 | Peterbilt | 379 | 14.9L | L6 | N/A | Pressure Side |
| 2001 | Peterbilt | 385 | 14.9L | L6 | N/A | Pressure Side |
| 2001 | Volvo | VNL | 14.9L | L6 | N/A | Pressure Side |
| 2001 | Western Star | 6900 | 14.9L | L6 | N/A | Pressure Side |
| 2000 | International | 9200i SBA | 15.0L | -6 | Secondary | — |
| 2000 | Kenworth | C500 | 14.9L | L6 | Secondary | FF2201 |
| 2000 | Kenworth | T2000 | 14.9L | L6 | Secondary | FF2200 |
| 2000 | Kenworth | T600A | 14.9L | L6 | Secondary | FF2200 |
| 2000 | Kenworth | T800 | 14.9L | L6 | Secondary | FF2200 |
| 2000 | Kenworth | W900 | 14.9L | L6 | Secondary | FF2200 |
| 2000 | Peterbilt | 377 | 14.9L | L6 | N/A | Pressure Side |
| 2000 | Peterbilt | 379 | 14.9L | L6 | N/A | Pressure Side |
| 2000 | Peterbilt | 385 | 14.9L | L6 | N/A | Pressure Side |
| 2000 | Volvo | VNL | 14.9L | L6 | N/A | Pressure Side |
| 1999 | Kenworth | T2000 | 14.9L | L6 | Secondary | FF2200 |
| 1999 | Kenworth | T600A | 14.9L | L6 | Secondary | FF2200 |
| 1999 | Kenworth | T800 | 14.9L | L6 | Secondary | FF2200 |
| 1999 | Kenworth | W900 | 14.9L | L6 | Secondary | FF2200 |
| 1999 | Peterbilt | 379 | 14.9L | L6 | N/A | Pressure Side |
| 1999 | Peterbilt | 385 | 14.9L | L6 | N/A | Pressure Side |
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