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Brand: Wagler Competition Products
Part Number: WCPC661025
Wagler Competition Duramax Mechanical Belt TensionerDoes away with the weak factory spring belt tensionerThese are a MUST when running dual CP3 pumps on your serpentine belt setupLB7 application fits 2002-2004.5 models ONLY **NOT Compatible with 2001 Models**Part Number: WCPC661025...
$375.00
Brand: Dirty Hooker Diesel
Part Number: 800-160
As peak horsepower and engine RPM's continue to climb, it's becoming more evident that the factory Duramax belt tensioner is not sufficient! DHD's manual tensioner package is a complete solution to eliminating belt slip and belt deflection under high rpm and high load. This two-piece kit eliminates ...
$375.00
Brand: Dayco
Part Number: 89259
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 C4500/C5500 6.6L Duramax LB7/LLY/LBZ/LMMThis Dayco 89259 Automatic Belt Tensioner is designed and manufactured to outperform other aftermarket belt tens...
$69.96
Brand: Alliant Power
Part Number: AP63449
Replacement belt tensioner for 02-16 GM 6.6L Duramax by Alliant Power.Part number: AP63449...
$142.57
Brand: Ford Motorcraft
Part Number: 3C2Z-6B209-AA
The Ford Belt Tensioner 3C2Z-6B209-AA is a genuine Ford replacement for the squeaking, misaligned or broken belt tensioner in your 2003-2007 Ford 6.0L Powerstroke. This belt tensioner is tested to ensure proper fitment and quality tested to ensure this part meets or exceeds Ford’s exacting specifi...
$120.13
Brand: Dayco
Part Number: 89313
Fits: 2003-2007 Ford F-250/350/450/550 6.0L Powerstroke (Single Alternator) 2003-2005 Ford Excursion 6.0L Powerstroke (Single Alternator) 2004-2010 Ford E-350/450 6.0L (Single Alternator)This Dayco 89313 Automatic Belt Tensioner-Main Drive is engineered and built to outlast all other aftermarket bel...
$95.85
Brand: Firepunk Diesel
Part Number: 251
Want to run AN fittings for all your radiator connections? Here’s your solution for the lower radiator connections on your commonrail Cummins!
There are a 3 piece design that allow you to mix and match the parts you need, Lower waterneck, tensioner bracket and A/C compressor bracket can all...
$239.00
Brand: Dayco
Part Number: 89168
This Dayco pulley is engineered to meet or exceed the OE specs. Pulled is constructed with high quality materials to ensure durability and reliability. This is a direct fit replacement that provides double high temp seals and lifetime lubricated ball bearings. This Dayco pulley creates less vibratio...
$77.25
Brand: Dayco
Part Number: 89362
Direct replacement Automatic Belt Tensioner by Dayco.
Alternate/OEM Part Number(s): 05086958AA, 3947574, 5086958AA, 5297324
Part number: 89362
...
$112.89
Brand: Dayco
Part Number: 89094
Idler/ Tensioner pulley by Dayco is a high quality OE style replacement of the existing failed pulley. This dayco pulley is produced with more smooth surfaces and more strict tolerances which aids in less vibration and longer belt life. Fitment:03-18 Dodge Ram 2500/3500 5.9L/ 6.7L Cummins08-18 ...
$41.96
Brand: Dayco
Part Number: 89157
The Dayco 89157 Idler/Tensioner Pulley - Smooth Pulley are superior quality replacement pulleys that are engineered to meet or surpass the factory specifications. This steel pulley is coated with a durable e-coating that is designed to resists corrosion and wear under the most demanding conditions. ...
$40.53
Brand: Wagler Competition Products
Part Number: WCPC661025.1
Wagler Competition Duramax Mechanical Belt TensionerDoes away with the weak factory spring belt tensionerThese are a MUST when running dual CP3 pumps on your serpentine belt setupPart Number: WCPC661025.1...
$375.00
Brand: Dayco
Part Number: 89519
Fits:
2005-2007 Ford F-250/350/450/550 6.0L Powerstroke (Dual Alternators)
2011-2019 Ford F-250/350/450/550 6.7L Powerstroke (Dual Alternators)
2003 Ford Excursion 6.0L Powerstroke (Dual Alternators)
Dayco® No Slack® Idler/Tensioner Pulleys are built with smooth...
$46.67
Brand: Alliant Power
Part Number: AP63517
The Alliant AP63517 Accessory Belt Tensioner for your 2008-2010 Ford 6.4L Powerstroke is direct replacement for the OE part. This Tensioner is for use on the Accessory / Inner Belt. FEATURES: Accessory / Inner Belt TensionerPart number: AP63517...
$160.22
Brand: Alliant Power
Part Number: AP63519
The Alliant AP63519 Primary Belt Tensioner for your 2008-2010 Ford 6.4L Powerstroke is direct replacement for the OE part. This Tensioner is for use on the Primary / Outer Belt. FEATURES: Primary / Outer Belt Part number: AP63519...
$157.13
Brand: Dayco
Part Number: 89657
The Dayco 89657 Automatic Belt Tensioner - Main Drive is engineered and manufactured to outlast all other aftermarket belt tensioners on the market. This tensioner has a locator pin to correctly locate the tensioner for precise installation and to withstand the most demanding drive demands. The spri...
$113.72
Brand: Dayco
Part Number: 89006
The Dayco 89006 Idler/Tensioner Pulley - Air Conditioning are superior quality replacement pulleys that are engineered to meet or surpass the factory specifications. This steel pulley is coated with a tough e-coating that is engineered to resist corrosion and wear in harsh environments. With a lifet...
$24.49
Brand: Wagler Competition Products
Part Number: WCPC661025.2
Wagler Competition Duramax Mechanical Belt TensionerDoes away with the weak factory spring belt tensionerThese are a MUST when running dual CP3 pumps on your serpentine belt setupPart Number: WCPC661025.2...
$375.00
Brand: Alliant Power
Part Number: AP63538
Fits: 2011-2017 Ford 6.7L PowerstrokeThis Belt Tensioner is a direct replacement for your 2011-2017 Ford 6.7L Powerstroke. Alliant Power provides OEM quality, without the OEM price. Keeping Original Equipment Manufacturer (OEM) product as the preferred service part so vehicles and equipment continue...
$261.65
Brand: Dayco
Part Number: 89658
Fits: 2011-2017 Ford F-250/350/450/550 6.7L PowerstrokeDayco® No Slack® Automatic Belt Tensioners are built to outperform and outlast competitive OE parts. This specific Dayco® Automatic Belt Tensioner is manufactured with a specially coated patented flat wire spring to allow the internal tension...
$105.63
Brand: Dayco
Part Number: 89096
Fits: 1995-1997 Ford F-250/350 7.3L Powerstroke, 1999-2003 Ford F-250/350/450/550 7.3L Powerstroke, 2003-2007 Ford F-250/350/450/550 6.0L Powerstroke (Without AC), 1995-1997 Ford Econoline 7.3L PowerstrokeThis Dayco 89096 Idler/Tensioner Pulley-A/C Bypass-Grooved are high quality pulleys that are en...
$29.09
Brand: Dayco
Part Number: 89016
Fits: 1999-2003 Ford F-250/350/540/550 7.3L Powerstroke, 2003-2007 Ford F-250/350/450/550 6.0L Powerstroke, 2000-2005 Ford Excursion 7.3L/6.0L Powerstroke, 1999-2010 Ford E-350/450 7.3L/6.0L PowerstrokeThis Dayco 89016 Idler/Tensioner Pulley- Main Drive is a high-quality OE-style replacement that fa...
$22.14
Brand: Dayco
Part Number: 89257
Direct fit replacement automatic belt tensioner by Dayco for 99-03 Ford 7.3L Powerstroke.Applications:99-03 Ford F-250/ F-350/ F-450/ F-550 7.3L Powerstroke00-03 Ford Excursions 7.3L Powerstroke99-03 Ford E-350/ E-450 7.3L Powerstroke02-03 Ford E-550 7.3L PowerstrokePart number: 89257...
$77.04
Brand: Dayco
Part Number: 89053
Direct replacement idler/ tensioner pulley for the below applications by Dayco99-03 Ford 7.3L Powerstroke Dual Pulley03-07 Ford 6.0L Powerstroke Single Alternator00-05 7.3L/ 6.0L PowerstrokeCross Reference numbers: 38053, 38053, APV2965, 231053, 3C2E-6B209-AB, F65E-6B209-AB, F65E-6B209-BB...
$28.36
Brand: Dayco
Part Number: 89007
The Dayco 89007 Idler/Tensioner Pulley are superior quality replacement pulleys that are engineered to meet or surpass the factory specifications. With double high temperature seals and lifetime lubricated ball bearings, this pulley will deliver peak bearing performance. This steel pulley is coated ...
$20.37
Brand: Dayco
Part Number: 89048
Direct replacement idler/ tensioner pulley (smooth pulley) by Dayco
Applications
93 Dodge Ram 5.9L Cummins
94-02 Dodge Ram 5.9L Cummins
94-97 Ford F250/ F350 7.3L Powerstroke
99-03 Ford F250/ F350/ F450/ F550 7.3L Powerstroke
00-03 Ford Excursion 7.3L Powerstroke
Cross referenc...
$30.04
Backordered
Brand: Dayco
Part Number: 89839
Backordered No ETA (Updated on 6/3/2025)
Fits:
2011-2019 Ford F-250/350 6.7L Powerstroke (Without AC)
2011-2016 Ford F-450/550 6.7L Powerstroke (Without AC)
The Dayco 89839 Idler/Tensioner Pulley - Upper are high quality pulleys that are engineered to meet or exceed the OE q...
$65.94
Brand: Cummins
Part Number: 5333499
1989 - 2002 5.9L 2nd Gen Cummins OEM factory belt tensioner.
Cummins: 5333499
...
$211.35
Brand: Cummins
Part Number: 6406582
Cummins Part Number: 6406582
Superseded Part Number: 3947574
Picture shown as a placeholder only. May differ in appearance.
...
$180.26
Brand: Alliant Power
Part Number: AP63448
Keep proper tension on the serpentine belt of your 2003-2007 Ford 6.0L Powerstroke with the Allient Belt Tensioner. Alliant offers OEM quality parts to keep your vehicle working its best. Features:Direct-FitFactory PerformanceApplication:03-07 Ford F-series & Excursion04-10 Ford E-SeriesA...
$182.33
Brand: Continental
Part Number: 49544
07-12 6.7l Cummins belt tensioner
from part number:49544...
$109.70
Brand: Cummins
Part Number: 3691282
Cummins ISX Belt Tensioner
Cummins part number: 3691282
Old part numbers: 2871292, 4299051...
$522.65
Brand: Ford Motorcraft
Part Number: 3C2Z6B209BA
2003-2007 Ford 6.0L Powerstroke belt tensioner.Fits:03-05 Excursion 03-07 F-250 - F-550 Ford: 3C2Z6B209BA ...
$162.59
Brand: Cummins
Part Number: 3690067
Cummins ISX Belt Tensioner
Number 2 in image only.
Part number 3690067...
$415.71
Brand: Cummins
Part Number: 4059201
Cummins ISX Belt Tensioner Number 7 in image only.Part #4059201...
$469.55
Brand: Continental
Part Number: 49466
Year
Engine
Model
Type
11-14
V8-6.7L
F-250 Super Duty
Belt Tensioner Assembly – Acc. Drive
11-14
V8-6.7L
F-350 Super Duty
Belt Tensioner Assembly – Acc. Drive
2011
V10-6.8L
F-450 Super Duty
Bel...
$98.27
Brand: Aftermarket Parts
Part Number: 38136
2001 Chevy 6.6L Duramax Diesel Belt Tensioner by AC Delco...
$95.00
Brand: Continental
Part Number: 49278
02-08 Chevy 6.6L Duramax Diesel Serpentine Belt TensionerPart number: 49278...
$90.00
Brand: Continental
Part Number: 49269
2001 Chevy 6.6L Duramax Diesel Belt Tensioner Part number: 49269 ...
$75.99
Brand: Aftermarket Parts
Part Number: GBH49354
Belt tensioner for use with single alternator equipped Ford 6.0L.
Ford OE# 3C2Z 6B209 AA
Part number: GBH4935...
$0.00
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