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Chevrolet 250, 292 Cubic Inch L6, Single VeeChevrolet 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 351 Cleveland V8 4 Bolt, Hub Counter Weight, XW-XY GTHO Phase I, II, IIIFord 302, 351 Cleveland V8 Neutral BalanceFord 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
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Dayco Idler/Tensioner Pulleys Heavy Duty

Dayco Heavy Duty Idler/Tensioner Pulleys designed to replace worn Idler and Tensioner Pulleys for Serpentine drives in heavy duty diesel engine applications.

The performance demands of original equipment manufacturers of over-the-road trucking and off-road equipment require a “built for punishment” heavy duty construction. That’s why they specify Dayco. Dayco Heavy Duty Pulleys are manufactured from steel, powdered metal, or engineered polymer materials to afford wear resistance under harsh environments and feature double pressed-in bearings and retainer to provide long life despite the shock loads experienced in diesel engine applications.


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

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Part numberTypeInside DiameterOutside DiameterWidth
131098Flat Steel20mm74mm46.5mm
89101Flat Steel17mm74mm39mm
89102Flat Steel17mm74mm46mm
891038PK Ribbed Steel with Flange17mm74mm28mm
89105Flat Steel17mm74mm33mm
89106Flat Steel17mm87mm39mm
89109Flat Steel with Dual Bearing17mm74mm42.5mm
89110Flat Steel with Dual Bearing17mm74mm57mm
891128PK Ribbed Steel with Flange (17mm to 10mm reducer)17mm74mm33mm
8911710PK Ribbed Polymer with Flange17mm74.7mm39.4mm
891206PK Ribbed Steel with Flange17mm81mm29.6mm
APV1043Flat Polymer10mm65mm29mm
APV1060Flat Steel12mm74mm47mm
APV1085Flat Steel21.8mm65mm32mm
APV1086Flat Steel10mm65mm32mm
APV1103Flat Steel27.8mm106.5mm34mm
APV1111Flat Polymer20mm74mm38.3mm
APV11198PK Ribbed Polymer with Flange11mm80mm34mm
APV1121Flat Polymer11mm74mm32mm
APV1152Flat Steel20mm74mm42mm
APV23818PK Ribbed Polymer with Flange19.5mm80.6mm33.8mm
APV238410PK Ribbed Steel with Bracket0mm74mm38.4mm
APV2387Flat Steel20mm74mm38mm
APV2394Flat Polymer with Flange17;10mm95mm40mm
APV240110PK Ribbed Steel with Flange17mm74.8mm35mm
APV2403Flat Steel20mm73.9mm34mm
APV2404Flat Steel17mm65mm18.5mm
APV24208PK Ribbed Polymer with Flange12mm101mm30mm
APV2455Flat Steel10mm80mm44mm
APV2624Flat Steel10mm90mm32mm
APV2645Flat Polymer10mm95.4mm32.5mm
APV2726Flat Steel10mm74mm64.3mm
APV273410PK Ribbed Steel with Flange & Fixed Bolt0mm78.8mm41.5mm
APV2776Flat Steel10mm78.5mm37.5mm
APV281110PK Ribbed Polymer with Flange17mm74.7mm39.4mm
APV2812Flat Steel17mm78mm38.35mm
APV2818Flat Steel12mm75mm33mm
APV2825Flat Steel18mm70mm42mm
APV2851Flat Steel with Dual Bearing43mm80mm45mm
APV2969Flat Steel20mm70mm35.5mm
APV2971Flat Steel12mm65mm36mm
APV3064Flat Steel17mm74mm39mm
APV3130Flat Steel10mm78mm38mm
APV3143Flat Steel10mm90mm38mm
APV3144Flat Polymer0mm78mm38mm
APV3158Dual V30mm126.5mm35mm
APV3201Flat Steel10mm74mm47mm
APV3229Flat Steel with Fixed Bolt0mm75mm32.5mm
APV3280Flat Steel with Flange10mm95mm40mm
APV3281Flat Steel10mm95mm34.6mm
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