Dayco-Ram/ GM Dayco Molded Heater Hose - Heater Inlet (see applications)
$14.68
- Part Number: 86121
- Est. Ship Time: Usually Ships By Next Business Day

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Starting From $85.94
Direct fit replacement molded heater hose by Dayco for the below applications.
Applications:
01-05 GM 2500HD 6.6L Duramax
04-05 GM 3500HD 6.6L Duramax
07.5-13 Dodge Ram 2500 6.7L Cummins
07.5-12 Dodge Ram 3500 6.7L Cummins
08-12 Dodge Ram 4500/5500 6.7L Cummins
Part number: 86121

Don't fall victim to a faulty gasket when you add the MAHLE C31900 Thermostat Housing Gasket to your 2001-2016 GM 6.6L Duramax. The Thermost..
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Mahle Intake Manifold Gasket Set - LBZ and LMM Duramax 2006-2010Part number: MS19403..
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Reseal your leaking lower radiator hose connector with this kit from DHD. Their Viton O-rings and retaining ring will allow you to service your existi..
$21.00
Upper Radiator Pipe Seal at Thermostat Housing.
LB7/LLY/LBZ/LMM, 2001-2010
This seal can be very tough to get into place, just the smallest amount o..
$9.00 $10.00
Make turbo installations easier and ensure good oil supply to your turbocharger with our remote oil feed line! Problem: The factory tu..
$99.99
Direct fit replacement molded heater hose (left) for 04-07 GM 6.6L Duramax by Dayco.Product is reinforced with knitted polyester and made from du..
$10.24
RThe PPE 117000500 3" Stainless Steel Downpipe for your 2004.5-2010 GM 6.6L Duramax allows you to removed your crushed oval stock downpipe and replace..
$134.99
Problem: The original equipment oil cooler adapter relies on a metal gasket on the oil cooler that over time is prone to leaking as the cooler fl..
$99.00
Billet aluminum valve cover breathers intended for race applications. Re-route breather hose from turbo intake to catch can along side bottom of engin..
$26.99
Ditch the grit. Get rid the dirtiest oil left in the valley of your stock pan from all your previous oil changes.
The stock Duramax engine oil ..
$260.99
PPEs Ported Fuel Rail Fitting replaces the restrictive stock fitting. Our fitting increases fuel flow volume from the CP3 pump to the fuel rail simply..
$31.49
Dip Stick tube ONLY. 2003-2009 Dodge 2500/3500 trucks with 48RE Transmission
Mopar part number: 53032630AC..
$62.79
urbo Model(s):
H1, H2, K27,
S2B, TO4E06, WH1
Make(s):
AWD/Bedford, Chrysler,
Cummins, Dorman Diesel,
Freighliner, Ive..
$8.18
Eliminate the troublesome and leaky quick-connect heater core line on your 2003-2024 RAM with the latest OEM+ solution from Fleece Performance! Our st..
$69.99
Fleetguard LF16035 Oil Filter
Most filters look the same on the outside. It's what's inside that counts. Cummins Filtration exclusively designed ..
$21.10
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
Includes thermostat only, with seal ring.
Image for reference only.
Cummins part number: 5292742..
$65.11
Fits: 2003-2009 Dodge 5.9L/6.7L CumminsEasily swap out your truck's rubber radiator hoses for durable reinforced silicone hoses that outperform and ou..
$177.00
Backordered until Mid May (Updated 4/28/25)
Fits: 2003-2009 Dodge 6.7L Cummins
This Full Send Diesel Fabricated Upper Coolant Pipe is the perfec..
$208.99
PRODUCT FEATURES
Direct fit for the 2003-2009 Dodge Ram 2500/3500 Cummins
Ideal replacement for an aged, clogged, or leaking stock radiator
..
$299.95
Aluminum Upper Coolant Pipe for 2003-2009 5.9L & 6.7L Cummins. Replaces the OEM rubber upper coolant hose and comes powder coated in your choice o..
$151.32
Fits: 2003-2010 Dodge 5.9L/6.7L Cummins (SEE APPLICATIONS)
This direct replacement Dorman Clutch Fan Blade is exactly what your truck needs. ..
$116.80
Fits:2003-2010 Ram 2500/3500 5.9L/6.7L 2008-2010 Ram 4500/5500 6.7LKeep up with the cooling system function with the Dayco Curved Radiator Hose-Upper...
$18.94
This engine cooling fan pulley bracket is designed to match the fit and function of the original part on specified vehicles. Made of quality materials..
$213.88
Want to run AN fittings for all your radiator connections? Here’s your solution for the lower radiator connections on your commonrail Cummins!
..
$239.00
The coolant pressure inside the engine block can reach 70+psi at high rpm before the thermostat fully opens. This will cause a corroded frost plug to ..
$66.95
Eliminate the troublesome and leaky quick-connect heater core line on your 2003-2024 RAM with the latest OEM+ solution from Fleece Performance! Our st..
$69.99
Fits: 2004-2010 Dodge 5.9L/6.7L Cummins
Exchange your failed factory part on your vehicle with this Dorman Cooling Fan Clutch. Every Dorman OE Styl..
$228.45
The Driven Diesel Fan Clutch Accelerator Switch for 05-07 5.9L MANUAL TRANSMISSION Dodge Cummins AND 07-20 6.7L AUTO OR MANUAL TRANSMISSION Dodge Cumm..
$249.95
Factory OEM Mopar direct fit replacement air conditioning evaporator kit.Fits 2006-2010 Dodge RamFitment Guide:YearMakeModelBody & TrimEngine &..
$579.60
Fits:
2007.5-2010 Dodge Cummins 6.7L
2011-2022 Ram Cummins 6.7L
This Mishimoto MMOC-RAM-07 Replacement Engine Oil Cooler is the p..
$262.95