Pronto DF30121 Fuel Filter - Secondary

Brand Pronto DF30121
Position Secondary
Fits 219 vehicles

Fuel filter. Helps keep contaminants out of the fuel system.

$35.80Free shipping
In stock · usually ships same day before 1pm CST
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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.

This part fits 219 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2017Peterbilt38914.9LL6N/APre-2010 Emissions; Pressure Side
2016Peterbilt38914.9LL6N/APre-2010 Emissions; Pressure Side
2016Western Star6900XD14.9LL6N/APressure Side
2015Peterbilt38814.9LL6N/APre-2010 Emissions; Pressure Side
2015Peterbilt38914.9LL6N/APre-2010 Emissions; Pressure Side
2015Western Star6900XD14.9LL6N/APressure Side
2014Peterbilt38814.9LL6N/APre-2010 Emissions; Pressure Side
2014Peterbilt38914.9LL6N/APre-2010 Emissions; Pressure Side
2013InternationalProStar14.9LL6SecondaryPre 2010 Emissions
2013Peterbilt38814.9LL6N/APre-2010 Emissions; Pressure Side
2013Peterbilt38914.9LL6N/APre-2010 Emissions; Pressure Side
2013Western Star6900XD14.9LL6N/APressure Side
2012InternationalProStar14.9LL6SecondaryPre 2010 Emissions
2012Peterbilt38814.9LL6N/APre-2010 Emissions; Pressure Side
2012Peterbilt38914.9LL6N/APre-2010 Emissions; Pressure Side
2012Western Star6900XD14.9LL6N/APressure Side
2011InternationalProStar14.9LL6SecondaryPre 2010 Emissions
2011KenworthT200014.9LL6SecondaryFF2200
2011Peterbilt38814.9LL6N/APre-2010 Emissions; Pressure Side
2011Peterbilt38914.9LL6N/APre-2010 Emissions; Pressure Side
2010InternationalProStar14.9LL6SecondaryPre 2010 Emissions
2010KenworthT200014.9LL6SecondaryFF2200
2010KenworthT66014.9LL6SecondaryFF2200; 2007 Emission Eng.
2010KenworthT80014.9LL6SecondaryFF2200
2010Peterbilt38814.9LL6N/APre-2010 Emissions; Pressure Side
2010Peterbilt38914.9LL6N/APre-2010 Emissions; Pressure Side
2010VolvoVT14.9LL6N/APressure Side
2009American CoachAmerican Heritage14.9LL6Secondary
2009FreightlinerCascadia14.9LL6Secondary
2009FreightlinerColumbia14.9LL6SecondaryFF2200
2009International9900i14.9LL6SecondaryFF2201
2009International9900ix14.9LL6Secondary
2009InternationalLoneStar14.9LL6Secondary
2009InternationalProStar14.9LL6Secondary
2009KenworthC50014.9LL6SecondaryFF2201
2009KenworthT200014.9LL6SecondaryFF2200
2009KenworthT66014.9LL6SecondaryFF2200
2009KenworthT80014.9LL6SecondaryFF2200
2009KenworthW90014.9LL6SecondaryFF2200
2009NewmarKing Aire14.9LL6Secondary
2009Peterbilt38614.9LL6N/APressure Side
2009Peterbilt38714.9LL6N/APressure Side
2009Peterbilt38814.9LL6N/APressure Side
2009Peterbilt38914.9LL6N/APre-2010 Emissions; Pressure Side
2009VolvoVNL14.9LL6N/APressure Side
2009VolvoVT14.9LL6N/APressure Side
2009Western Star4900EX14.9LL6Secondary
2009Western Star4900FA14.9LL6Secondary
2008American CoachAmerican Heritage14.9LL6Secondary
2008FreightlinerColumbia14.9LL6SecondaryFF2200
2008International5900i14.9LL6Secondary
2008International9200i SBA14.9LL6Secondary
2008International9900i14.9LL6SecondaryFF2201
2008International9900ix14.9LL6Secondary
2008InternationalProStar14.9LL6Secondary
2008KenworthC50014.9LL6SecondaryFF2201
2008KenworthT200014.9LL6SecondaryFF2200
2008KenworthT66014.9LL6SecondaryFF2200
2008KenworthT80014.9LL6SecondaryFF2200
2008KenworthW90014.9LL6SecondaryFF2200
2008NewmarKing Aire14.9LL6Secondary
2008Peterbilt38514.9LL6N/APressure Side
2008Peterbilt38614.9LL6N/APressure Side
2008Peterbilt38714.9LL6N/APressure Side
2008Peterbilt38814.9LL6N/APressure Side
2008Peterbilt38914.9LL6N/APre-2010 Emissions; Pressure Side
2008Spartan MotorsK314.9LL6Secondary
2008VolvoVNL14.9LL6N/APressure Side
2008VolvoVT14.9LL6N/APressure Side
2007American CoachAmerican Heritage14.9LL6Secondary
2007FreightlinerColumbia14.9LL6SecondaryFF2200
2007FreightlinerFLD13214.9LL6SecondaryFF2200
2007International5500i14.9LL6Secondary
2007International5900i14.9LL6Secondary
2007International9200i SBA14.9LL6Secondary
2007International9400i SBA14.9LL6Secondary
2007International9900i14.9LL6SecondaryFF2201
2007International9900ix14.9LL6Secondary
2007KenworthC50014.9LL6SecondaryFF2201
2007KenworthT200014.9LL6SecondaryFF2200
2007KenworthT600A14.9LL6SecondaryFF2200
2007KenworthT80014.9LL6SecondaryFF2200
2007KenworthW90014.9LL6SecondaryFF2200
2007MackCL14.9LL6N/APressure Side
2007Monaco CoachExecutive14.9LL6Secondary
2007NewmarLondon Aire14.9LL6Secondary
2007Peterbilt35714.9LL6N/APressure Side
2007Peterbilt37814.9LL6N/APressure Side
2007Peterbilt37914.9LL6N/APressure Side
2007Peterbilt38514.9LL6N/APressure Side
2007Peterbilt38614.9LL6N/APressure Side
2007Peterbilt38714.9LL6N/APressure Side
2007Spartan MotorsK214.9LL6Secondary
2007Spartan MotorsK314.9LL6Secondary
2007VolvoVNL14.9LL6N/APressure Side
2007VolvoVT14.9LL6N/APressure Side
2007Western Star4900FA14.9LL6Secondary
2007Western Star4900SA14.9LL6Secondary
2006International5500i14.9LL6Secondary
2006International5900i14.9LL6Secondary
2006International9200i SBA14.9LL6Secondary
2006International9400i SBA14.9LL6Secondary
2006International9900i14.9LL6SecondaryFF2201
2006International9900ix14.9LL6Secondary
2006KenworthC50014.9LL6SecondaryFF2201
2006KenworthT200014.9LL6SecondaryFF2200
2006KenworthT600A14.9LL6SecondaryFF2200
2006KenworthT80014.9LL6SecondaryFF2200
2006KenworthW90014.9LL6SecondaryFF2200
2006MackCL14.9LL6N/APressure Side
2006Monaco CoachExecutive14.9LL6Secondary
2006Monaco CoachSignature Series14.9LL6Secondary
2006Peterbilt35714.9LL6N/APressure Side
2006Peterbilt37814.9LL6N/APressure Side
2006Peterbilt37914.9LL6N/APressure Side
2006Peterbilt38514.9LL6N/APressure Side
2006Peterbilt38714.9LL6N/APressure Side
2006Spartan MotorsK314.9LL6Secondary
2006VolvoVNL14.9LL6N/APressure Side
2006VolvoVT14.9LL6N/APressure Side
2006Western Star4900SA14.9LL6Secondary
2005Holiday RamblerNavigator14.9LL6Secondary
2005International5500i14.9LL6Secondary
2005International5900i14.9LL6Secondary
2005International9200i SBA14.9LL6Secondary
2005International9400i SBA14.9LL6Secondary
2005International9900i14.9LL6SecondaryFF2201
2005International9900ix14.9LL6Secondary
2005KenworthC50014.9LL6SecondaryFF2201
2005KenworthT200014.9LL6SecondaryFF2200
2005KenworthT600A14.9LL6SecondaryFF2200
2005KenworthT80014.9LL6SecondaryFF2200
2005KenworthW90014.9LL6SecondaryFF2200
2005MackCL14.9LL6N/APressure Side
2005Monaco CoachExecutive14.9LL6Secondary
2005Monaco CoachSignature Series14.9LL6Secondary
2005Peterbilt35714.9LL6N/APressure Side
2005Peterbilt37814.9LL6N/APressure Side
2005Peterbilt37914.9LL6N/APressure Side
2005Peterbilt38514.9LL6N/APressure Side
2005Peterbilt38714.9LL6N/APressure Side
2005VolvoVNL14.9LL6N/APressure Side
2005Western Star4900EX14.9LL6Secondary
2004International5500i14.9LL6Secondary
2004International5900i14.9LL6Secondary
2004International9200i SBA15.0L-6Secondary
2004International9400i SBA14.9LL6Secondary
2004International9900i14.9LL6SecondaryFF2201
2004International9900ix14.9LL6Secondary
2004KenworthC50014.9LL6SecondaryFF2201
2004KenworthT200014.9LL6SecondaryFF2200
2004KenworthT600A14.9LL6SecondaryFF2200
2004KenworthT80014.9LL6SecondaryFF2200
2004KenworthW90014.9LL6SecondaryFF2200
2004MackCL14.9LL6N/APressure Side
2004Peterbilt35714.9LL6N/APressure Side
2004Peterbilt37814.9LL6N/APressure Side
2004Peterbilt37914.9LL6N/APressure Side
2004Peterbilt38514.9LL6N/APressure Side
2004Peterbilt38714.9LL6N/APressure Side
2004Spartan MotorsK314.9LL6Secondary
2004VolvoVNL14.9LL6N/APressure Side
2003FreightlinerFLD13214.9LL6SecondaryFF2200
2003International9200i SBA14.9LL6Secondary
2003International9400i SBA14.9LL6Secondary
2003International9900i14.9LL6SecondaryFF2201
2003KenworthC50014.9LL6SecondaryFF2201
2003KenworthT200014.9LL6SecondaryFF2200
2003KenworthT600A14.9LL6SecondaryFF2200
2003KenworthT80014.9LL6SecondaryFF2200
2003KenworthW90014.9LL6SecondaryFF2200
2003Peterbilt35714.9LL6N/APressure Side
2003Peterbilt37814.9LL6N/APressure Side
2003Peterbilt37914.9LL6N/APressure Side
2003Peterbilt38514.9LL6N/APressure Side
2003Peterbilt38714.9LL6N/APressure Side
2003VolvoVNL14.9LL6N/APressure Side
2003Western Star4900EX14.9LL6Secondary
2003Western Star4900FA14.9LL6Secondary
2003Western Star4900SA14.9LL6Secondary
2002International9200i SBA15.0L-6Secondary
2002KenworthC50014.9LL6SecondaryFF2201
2002KenworthT200014.9LL6SecondaryFF2200
2002KenworthT600A14.9LL6SecondaryFF2200
2002KenworthT80014.9LL6SecondaryFF2200
2002KenworthW90014.9LL6SecondaryFF2200
2002Peterbilt35714.9LL6N/APressure Side
2002Peterbilt37814.9LL6N/APressure Side
2002Peterbilt37914.9LL6N/APressure Side
2002Peterbilt38714.9LL6N/APressure Side
2002Sterling TruckA950014.9LL6N/APressure Side
2002VolvoVNL14.9LL6N/APressure Side
2002Western Star4900EX14.9LL6Secondary
2002Western Star4900FA14.9LL6Secondary
2002Western Star4900SA14.9LL6Secondary
2001FreightlinerFLD12014.9LL6SecondaryFF2200
2001FreightlinerFLD13214.9LL6SecondaryFF2200
2001International9200i SBA15.0L-6Secondary
2001Peterbilt35714.9LL6N/APressure Side
2001Peterbilt37914.9LL6N/APressure Side
2001Peterbilt38514.9LL6N/APressure Side
2001VolvoVNL14.9LL6N/APressure Side
2001Western Star690014.9LL6N/APressure Side
2000International9200i SBA15.0L-6Secondary
2000KenworthC50014.9LL6SecondaryFF2201
2000KenworthT200014.9LL6SecondaryFF2200
2000KenworthT600A14.9LL6SecondaryFF2200
2000KenworthT80014.9LL6SecondaryFF2200
2000KenworthW90014.9LL6SecondaryFF2200
2000Peterbilt37714.9LL6N/APressure Side
2000Peterbilt37914.9LL6N/APressure Side
2000Peterbilt38514.9LL6N/APressure Side
2000VolvoVNL14.9LL6N/APressure Side
1999KenworthT200014.9LL6SecondaryFF2200
1999KenworthT600A14.9LL6SecondaryFF2200
1999KenworthT80014.9LL6SecondaryFF2200
1999KenworthW90014.9LL6SecondaryFF2200
1999Peterbilt37914.9LL6N/APressure Side
1999Peterbilt38514.9LL6N/APressure Side