Cummins Diesel Parts & Upgrades

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1678 products

Dayco 6081403 HD Poly Rib Serpentine Belt - Double Sided Main Drive (2011-2025 6.7L PowerStroke Dual Alternators) - Southern Diesel SupplyDayco 6081403 HD Poly Rib Serpentine Belt - Double Sided Main Drive (2011-2025 6.7L PowerStroke Dual Alternators) - Southern Diesel Supply
DAYCO
Dayco 5081300 HD Poly Rib Serpentine Belt - Main Drive (2013-2018 6.7L Cummins Dual Alternators; 2004-2010 6.0/6.4L PowerStroke Single Alternator) Sale price$71.99
Dayco 6081403 HD Poly Rib Serpentine Belt - Double Sided Main Drive (2011-2025 6.7L PowerStroke Dual Alternators) - Southern Diesel SupplyDayco 6081403 HD Poly Rib Serpentine Belt - Double Sided Main Drive (2011-2025 6.7L PowerStroke Dual Alternators) - Southern Diesel Supply
DAYCO
Dayco 5081103 HD Poly Rib Serpentine Belt - Main Drive (2003-2012 5.9/6.7L Cummins w/o AC) Sale price$40.99
Dayco 6081403 HD Poly Rib Serpentine Belt - Double Sided Main Drive (2011-2025 6.7L PowerStroke Dual Alternators) - Southern Diesel SupplyDayco 6081403 HD Poly Rib Serpentine Belt - Double Sided Main Drive (2011-2025 6.7L PowerStroke Dual Alternators) - Southern Diesel Supply
DAYCO
Dayco 5080655 HD Poly Rib Serpentine Belt - Main Drive (1994-2002 5.9L Cummins w/o AC) Sale price$34.99
Dayco 6081403 HD Poly Rib Serpentine Belt - Double Sided Main Drive (2011-2025 6.7L PowerStroke Dual Alternators) - Southern Diesel SupplyDayco 6081403 HD Poly Rib Serpentine Belt - Double Sided Main Drive (2011-2025 6.7L PowerStroke Dual Alternators) - Southern Diesel Supply
DAYCO
Dayco 5081244 HD Poly Rib Serpentine Belt - Main Drive (2013-2024 6.7L Cummins) Sale price$40.99
Dayco 6081403 HD Poly Rib Serpentine Belt - Double Sided Main Drive (2011-2025 6.7L PowerStroke Dual Alternators) - Southern Diesel SupplyDayco 6081403 HD Poly Rib Serpentine Belt - Double Sided Main Drive (2011-2025 6.7L PowerStroke Dual Alternators) - Southern Diesel Supply
DAYCO
Dayco 5080810 HD Poly Rib Serpentine Belt - Main Drive (1994-2002 5.9L Cummins w/ AC) Sale price$33.99
Dayco 81321 Radiator Hose - Upper Flex (1989-1991 5.9L Cummins) - Southern Diesel Supply
DAYCO
Dayco 81321 Radiator Hose - Upper Flex (1989-1991 5.9L Cummins) Sale price$21.99
Dayco 70040 Curved Radiator Hose - Lower (2013-2018 6.7L Cummins) - Southern Diesel SupplyDayco 70040 Curved Radiator Hose - Lower (2013-2018 6.7L Cummins) - Southern Diesel Supply
DAYCO
Dayco 70040 Curved Radiator Hose - Lower (2013-2018 6.7L Cummins) Sale price$28.99
Dayco 70001 Curved Radiator Hose (1989-1993 5.9L Cummins) - Southern Diesel Supply
DAYCO
Dayco 70001 Curved Radiator Hose (1989-1993 5.9L Cummins) Sale price$9.99
Dayco 72241 Curved Radiator Coolant Hose - Lower (2003-2010 5.9/6.7L Cummins) - Southern Diesel Supply
DAYCO
Dayco 72241 Curved Radiator Coolant Hose - Lower (2003-2010 5.9/6.7L Cummins) Sale price$27.99
Dayco 86121 Molded Heater Hose - Heater Inlet (2001-2005 6.6L Duramax; 2007.5-2013/12 6.7L Cummins) - Southern Diesel Supply
DAYCO
Dayco 86121 Molded Heater Hose - Heater Inlet (2001-2005 6.6L Duramax; 2007.5-2013/12 6.7L Cummins) Sale price$20.99
Dayco 72357 Curved Radiator Hose - Upper (2003-2010 5.9/6.7L Cummins) - Southern Diesel Supply
DAYCO
Dayco 72357 Curved Radiator Hose - Upper (2003-2010 5.9/6.7L Cummins) Sale price$24.99
Dayco 80191 Molded Heater Hose - Heater Outlet (2013-2018 6.7L Cummins) - Southern Diesel SupplyDayco 80191 Molded Heater Hose - Heater Outlet (2013-2018 6.7L Cummins) - Southern Diesel Supply
DAYCO
Dayco 80191 Molded Heater Hose - Heater Outlet (2013-2018 6.7L Cummins) Sale price$27.99
Dayco 72869 Curved Radiator Hose - Upper (2013-2014 6.7L Cummins) - Southern Diesel Supply
DAYCO
Dayco 72869 Curved Radiator Hose - Upper (2013-2014 6.7L Cummins) Sale price$122.99
Dayco 70041 Curved Radiator Hose - Upper (2013-2014 6.7L Cummins) - Southern Diesel Supply
DAYCO
Dayco 70041 Curved Radiator Hose - Upper (2013-2014 6.7L Cummins) Sale price$57.99
Dayco 87750 Molded Heater Hose - Heater Outlet (2007.5-2009 6.7L Cummins) - Southern Diesel Supply
DAYCO
Dayco 87750 Molded Heater Hose - Heater Outlet (2007.5-2009 6.7L Cummins) Sale price$11.99
Dayco 87725 Molded Heater Hose - Heater Outlet (2011-2013 6.7L Cummins) - Southern Diesel Supply
DAYCO
Dayco 87725 Molded Heater Hose - Heater Outlet (2011-2013 6.7L Cummins) Sale price$21.99
Dayco 70540 Curved Radiator Hose - Upper (1989-1991 5.9L Cummins) - Southern Diesel Supply
DAYCO
Dayco 70540 Curved Radiator Hose - Upper (1989-1991 5.9L Cummins) Sale price$20.99
Dayco 71530 Curved Radiator Hose - Lower (1989-1991 5.9L Cummins) - Southern Diesel Supply
DAYCO
Dayco 71530 Curved Radiator Hose - Lower (1989-1991 5.9L Cummins) Sale price$23.99
Dayco 86815 Molded Heater Hose (1994-2002 5.9L Cummins) - Southern Diesel Supply
DAYCO
Dayco 86815 Molded Heater Hose (1994-2002 5.9L Cummins) Sale price$11.99
Dayco 71594 Curved Radiator Hose - Upper (1991.5-1993 5.9L Cummins) - Southern Diesel Supply
DAYCO
Dayco 71594 Curved Radiator Hose - Upper (1991.5-1993 5.9L Cummins) Sale price$21.99
Dayco 71595 Curved Radiator Hose - Lower (1991.5-1993 5.9L Cummins) - Southern Diesel Supply
DAYCO
Dayco 71595 Curved Radiator Hose - Lower (1991.5-1993 5.9L Cummins) Sale price$21.99
Dayco 80402 90 Degree Molded Coolant Hose - Heater Outlet (1994-2001, 2006-2009 5.9/6.7L Cummins) - Southern Diesel Supply
DAYCO
Dayco 80402 90 Degree Molded Coolant Hose - Heater Outlet (1994-2001, 2006-2009 5.9/6.7L Cummins) Sale price$16.99
Dayco 71715 Curved Radiator Hose - Upper (1994-1995 5.9L Cummins) - Southern Diesel Supply
DAYCO
Dayco 71715 Curved Radiator Hose - Upper (1994-1995 5.9L Cummins) Sale price$24.99
Dayco 80400 90 Degree Molded Coolant Heater Hose (1996-2004 5.9L Cummins) - Southern Diesel Supply
DAYCO
Dayco 80400 90 Degree Molded Coolant Heater Hose (1996-2004 5.9L Cummins) Sale price$15.99

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Call or Text (352) 722-5295

Parts and performance upgrades for every Cummins-powered Dodge and Ram, from the 1989 12-valve to the newest 6.7L. Southern Diesel Supply is a working diesel shop, so we stock the parts we install every week: lift pumps, injectors, turbos, head studs, transmission parts, suspension and maintenance items.

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Need more fuel? See our AirDog lift pumps. Looking for a Duramax or Powerstroke instead? Shop Duramax parts or Powerstroke parts.