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99-03 Ford 7.3L Powerstroke Dayco HD Poly Rib Serpentine Belt - Main Drive
$57.39
- Part Number: 5081223
- Est. Ship Time: Usually Ships By Next Business Day

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Dayco HD Poly Rib Serpentine Belt - Main Drive for 99-03 Ford 7.3L Powerstroke.
Applications
- 99-03 Ford F-250/ F-350/ F-450/ F-550 7.3L Powerstroke (Single Alternator Without Cold Weather Package)
- 00-03 Ford Excursion 7.3L Powerstroke (Single Alternator)
Cross Reference numbers: 8K1223, 8PK3105, K081223, K081223HD, 4081223, 4081223F, PK081223, 5081223DR, 1223K8, 1223K8, D1102-9927, 1C2E-8620-LA, 1C2Z-8620-LA, F8TE-8620-FB, F8TE-8620-FC, F8TE-8620-GA, F8TZ 8620-FA, F8TZ-8620-FB, F8UE-8620-DA, YC35-8620-EA, YC3Z-8620-EA, 1223K8, K081223, K081223HD, 4081220, 4081223, 1821843-C1, CQ71839, K081223, JK8-1227, JK8-1230, 25-081223, 25-081223HD, 8K1223, 8PK3101, 8PK3102, 8PK3103, 8PK3104, 8PK3105, 8PK3106, 8PK3107, 8PK3108, 8PK3109, 8PK3110, 8PK3111
Part number: 5081223

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Serpentine Belt
The stock 7.3 thermostat housings are notorious for leaking coolant. They are made from a thin press formed sheet metal that rusts, pits, and ge..
$57.69
WORKS ON ALL 1994 - 2008 F250-F450 Gas Engines as well.
In 1994-2008 HD and Superduty trucks, hot engine coolant is flowing through the heater co..
$59.00
94.5-03 PowerStroke 7.3L
Crank Case Vent breather relocation Kit (also known as CCV reroute)
This Crankcase Vent (CCV) kit is designed to r..
$89.99
Features:
16 PSI / 1.1 Bar / 110 kPa Overflow Reservoir Cap Raises the Boiling Point to Provide a Safer & More Efficient Cooling System
Installing..
$14.95
Features:Easy UpgradeIncreased Injector LifeIncreased Fuel PressureGreat For Stock & Modified TrucksDFuser Part Number: DFR-1002448..
$29.95
THIS THERMOSTAT WILL FIT 1996-2003 Ford 7.3L trucks starting with Engine Serial #201681. Not for use with 1994-1995 trucks unless you have installed a..
$36.00
PRODUCT FEATURESDirect fit for 1996–2003 Ford 7.3L PowerstrokeActivates at a lower temperature to allow coolant to flow through the system earlierAllo..
$59.95
INCLUDES OEM GASKETFor use with all stock waterpumps - replaces lower inlet neck on 96-2001 trucks. Will not work on 2002-2003 7.3L trucks.Ford O..
$59.00
New 7.3L Ford Powerstroke water pump with gasket. Fits all 1996 -2003 7.3L engines. All Dieselsite waterpumps come with a lifetime warranty to the ori..
$189.00
Replace your damaged cooling fan blade with this direct replacement. This vehicle-specific application is engineered for a perfect fit and is made fro..
$162.39
Dieselsite 7.3L 1994-1997 OE replacement Fan Clutch.1 Year WarrantyPart number: OBSFC..
$139.00
Dayco replacement water pump for 94-95 Ford 7.3L Powerstroke.Dayco: DP863..
$134.67
Replace your old worn out lower radiator hose in your Duramax with this Dayco Curved Radiator Hose. Part number: 72346..
$85.94
Dayco upper radiator hose installs into the factory location. This hose routes around the serpentine belt.Fitment Applications: 99-03 Ford F250/ ..
$17.17
Dayco upper radiator hose installs into the factory location. This hose routes through the serpentine belt.Fitment Applications: 99-03 Ford F250/..
$18.93
Dayco Molded heater hose; engine to heater is a direct replacement hose that eliminates multiple hoses and clamps.Fitment Applications: 99-03 For..
$29.79
Dayco Molded heater hose; heater to water pump is a direct replacement hose.
Fitment Applications:
99-03 Ford F250/ F350/ F450/ F550 7...
$30.49
Dayco HD Poly Rib Serpentine Belt - Main Drive for the below applications02-03 Ford F-250 7.3L Powerstroke (Heavy Duty Cooling, Excludes Ambulance)01-..
$46.67
Direct fit Curved Radiator Hose - Lower by DaycoApplications:01-03 Ford F-350/ 450/ 550 7.3L Powerstroke (Built on 4/29/01 and later) 01-03 Ford ..
$25.72
Dayco direct fit molded heater hose inlet for 01-04 Duramax.Part number: 87770..
$7.97
Replace your old worn out upper radiator hose in your Duramax with this Dayco Curved Radiator Hose. Part number: 72273..
$18.51
Dayco alternator pulley is designed to allow the alternator to freewheel when the belt speed drops. This pulley increases drive belt life, alternator ..
$116.59
Fits: 2002-2004 GM 2500HD/3500HD 6.6L Duramax LB7 (Single Alternator, See Applicaitons) | 2006-2010 GM 2500HD/3500HD 6.6L Duramax LBZ/LMM (Single Alte..
$38.48
Fits: 2002-2005 GM 2500HD/3500HD 6.6L Duramax LB7/LLY | 10-16 GM Express/Savana 6.6L Duramax LGHInstalling this Dayco 5061178 Poly Rib..
$34.50
Fits: 2002-2005 GM 2500HD/3500HD 6.6L Duramax LB7/LLY (Single Alternator, See Applicaitons) | 2011-2014 GM 2500HD/3500HD 6.6L Duramax LML (Single..
$46.12
Fits: 2002-2016 GM 2500HD/3500HD 6.6L Duramax LB7/LLY/LBZ/LMM/LML | 2006-2016 GM Express/Savana 6.6L Duramax LLY/LGH | 2003-2009 GM Kodiak/ Topkick C4..
$69.96
Dayco curved radiator hose lower for the below 6.0L Powerstroke applicationsApplications:03 Ford F-250 - F-550 6.0L Powerstroke03-05 Ford Excursion 6...
$35.73
Rebuild your 7.3L Powerstroke with Mahle .010 - Reduced Compression Piston With Rings. Piston is for use in overbore applications and has a .010"..
$117.44
Rebuild your 7.3L Powerstroke with Mahle .010 - Reduced Compression Piston With Rings. Piston is for use in overbore applications and has a .010"..
$113.44
This is (1) Exhaust Rocker Assembly. For an entire engine replacement you need a quantity of 8 intake and 8 exhaust.
Ford part number: F4..
$73.63
This is (1) Intake Rocker Assembly. For an entire engine replacement you need a quantity of 8 intake and 8 exhaust.
Ford part number: F4T..
$71.87
INCLUDES OEM GASKETFor use with all stock waterpumps - replaces lower inlet neck on 96-2001 trucks. Will not work on 2002-2003 7.3L trucks.Ford O..
$59.00
New 7.3L Ford Powerstroke water pump with gasket. Fits all 1996 -2003 7.3L engines. All Dieselsite waterpumps come with a lifetime warranty to the ori..
$189.00
Discontinued (Updated 11/13/24)
Direct replacement right side valve cover for 96-03 Ford 7.3L Powerstroke by Dorman.
Part number: 264-5116..
$0.00
This plug replaces the air intake heater for less restriction in your intake.
The '99.5 and up 7.3L Powerstrokes and the 2001-2005 6.6L D..
$19.00
Sold in sets of 2, must purchase with 2 set for its quantity.
Set Includes:
2 large o-rings, seals breather adapter cover to the valve cover
2 sm..
$19.65
If you are wanting to keep your 7.3L PMR Powerstroke on the road for the long haul, you need the high quality parts like these Gator Fastener Rod Bolt..
$149.99
OEM Ford Rod for the 01-03 Ford 7.3L Powerstroke Diesel equipped with PMR/Powder Metal Connecting Rods16 required per engine, these are sold individua..
$13.57
OEM Thermostat Housing for 1994-1997 Ford PSD 7.3L This is a replacement Ford thermostat housing. In many cases, when changing the thermostat, th..
$60.18
Whether building your 1994-2010 Ford Powerstroke valvetrain for daily driving or for the track, don’t risk engine failure from reusing the old l..
$214.00
Ford Motorcraft OEM engine oil pump for 1996 Ford 7.3L Powerstroke.FitmentYearMakeModelBody & TrimEngine & Transmission1996FordE-350 Econoline..
$564.67
The Engineered Vintage Shackle Bracket bolts to the frame and provides a solid front tow point underneath the stock bumper for pulling / vehicle recov..
$207.99