Drive Belts & Kits
Drive Belt Automatic Tensioners
Drive Belt Idler & Tensioner Pulleys
Overrunning Alternator Pulleys
Harmonic Balancers OEM Replacement
Performance Balancers & Kits
Engine Driven Harmonic Balancer Applications
Chevrolet 283, 307, 327 Cubic Inch 6-1/4"Chevrolet 283-350 Small Block V8 7"Chevrolet 283-350 Small Block 7" To Suit Big Block Crank SnoutChevrolet 283-350 Small Block V8 8"Chevrolet 350 (5.7L) Small Block LT1 1993-1997 (Crank Flange Mount) Serpentine BeltChevrolet 400 Small Block 7" Light WeightChevrolet 400 Small Block V8 8"Chevrolet 396, 402, 427 Big Block V8 8"Chevrolet 454 Big Block V8 Light Weight Neutral Balance 7"Chevrolet 454 Big Block V8 8"Chrysler 225 Slant 6Chrysler 245-265 Hemi 6 cylChrysler 318, 340 Small BlockChrysler 360 V8Chrysler 392 Big Block HemiChrysler 383, 440 Big Block V8Ford 302, 351 Cleveland V8 Counterweight HubFord 302, 351 Cleveland V8 Neutral BalanceFord 351 Cleveland V8 4 Bolt, Hub Counter Weight, XW-XY GTHO Phase I, II, IIIFord 302, 351 Cleveland V8 Counterweight Hub for Scat Cranks 12.7 ozFord 289, 302 Windsor 3 Bolt (Countersunk Pulley Location) 28oz. in.Ford 289, 302 Windsor 3 Bolt (Raised Pulley Location)Ford 302, 351 Windsor V8 3 Bolt (Raised Pulley Location) 28oz. in.Ford 302, 351 Windsor V8 3 Bolt (Countersunk Pulley Location) 28oz. in.Ford 302, 351 Windsor 4 Bolt (Raised Pulley Location) 28oz. in.Ford 302 Windsor EFI V8 4 Bolt 34oz. in. with 50oz.in FlywheelFord 302 Windsor 4 BoltFord Windsor Small Block 6" 3 BoltFord 302, 351 Windsor Neutral Balance 4 BoltFord 390 Big Block FE V8 Internal BalanceFord 460 Big Block Internal BalanceFord Y-Block V8 1955-62 "Single Vee"Pontiac GTO 5.7L LS1, 6.0L LS2 V8 Serpentine BeltPontiac 287-455 Cubic Inch V8
CVT Scooter Belts
ATV Outdoor Activity Belts
Timing Belt & Kits
Timing Belt - Hydraulic Automatic Tensioners (HAT)
Water Pumps
Thermostats & Gaskets
Heater Tap Control Valves
Radiator Coolant Tanks
Fan Clutches
Hose Air Intake/Cleaner
Hose Air
Hose Fuel
Hose Heater/Blanking Caps
Hose Radiator
Hose Service
Hose Clamps
Hose Connectors & Kits
Tools
Merchandisers

Thermostats

The thermostats role in engine management is vital. A thermostat that has failed in the open position will make your heater appear not to work for an extended period of time during winter. If it fails in the closed position it will surely cause your cars engine to overheat leading to costly repairs or ultimately “complete engine failure”. Dayco thermostats are designed to OEM specifications and come with a heat sensing wax filled copper power pill that detects the coolant temperature in the engine. The Dayco thermostats amazing heat sensing power pill controls coolant flow from the radiator when the engine is cold to reach optimum operating temperature quickly. It then allows coolant to circulate through the engine when operating temperature is reached to create the perfect temperature controlled engine environment.

Click on a column heading to sort the items in the list

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Part numberTemperatureFlange to baseFlange diameterHeightVent valve
DT101A82°C44mm82mm73mm51mm
DT102A82°C44mm78mm73mm51mm
DT103F92°C   29mm
DT104E77°C33mm56mm60mm 
DT106F92°C  30mm30mm
DT116D88°C    
DT117F92°C  30mm23mm
DT121A82°C32mm52mm50mm28.6mm
DT122A82°C21.5mm53.5mm39mm 
DT123A82°C34.5mm54mm52mm33mm
DT124A82°C31mm54mm48.5mm28.6mm
DT125C71°C47mm54mm62.5mm37mm
DT125J86°C47mm54mm62.5mm37mm
DT126M80°C45mm52mm62.5mm33mm
DT127A83°C    
DT128A82°C43mm60.5mm78mm30mm
DT129A82°C  28mm30mm
DT130G89°C  42mm23mm
DT131A82°C42mm54mm67.8mm 
DT132N90°C26mm54mm53mm 
DT133D88°C23.4mm54mm52.6mm 
DT134F92°C    
DT135J86°C50mm56mm75.3mm40mm
DT136D88°C    
DT137A82°C42.3mm  30mm
DT139H85°C40mm63.5mm60mm27.7mm
DT13C71°C35mm54mm54mm29mm
DT140A82°C40.8mm51.5mm57.6mm28mm
DT141A82°C48mm  23mm
DT142B91°C21.8mm54.5mm38.7mm 
DT143A82°C 42mm 30mm
DT144K78°C 50mm 28mm
DT145G89°C58mm  31mm
DT146P96°C24mm53mm37.5mm 
DT147A82°C    
DT148L95°C   37mm
DT149Q105°C   43mm
DT14A82°C22mm54mm39mm 
DT14B91°C22mm54mm39mm 
DT14C71°C22mm54mm39mm 
DT14E77°C22mm54mm39mm 
DT14G89°C22mm54mm39mm 
DT150Q105°C37mm  25mm
DT151P97°C   43mm
DT152D87°C   43mm
DT153D87°C   30mm
DT154D87°C    
DT155F92°C  95mm29mm
DT156M80°C34mm54mm52mm29mm
DT157A82°C34mm54mm55mm29mm
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