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ACDelco drive belt tensioners keep your belts just right—not too loose, not too tight. They offer a perfect complement to the full line of ACDelco belts with high-quality bearings that resist dirt and salt. Hundreds of models are available, with a variety of pulley styles. Reduce belt wear and keep them taut with the long-lasting replacement drive belt tensioner designed to fit your application.
( 38 )
$57.99
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$97.99
ACDelco GM Genuine Parts idler pulleys are a part of the accessory belt system on the front of the engine. These pulleys are GM recommended replacement parts for your vehicle's original component. Pulleys can be ribbed or smooth, contain a sealed ball bearing, and are used to divert the drive belt to the components, such as the alternator, water pump, or power steering pump. GM Genuine Parts idler pulleys have been manufactured to fit your GM vehicle, providing you with the same performance, durability, and service life you expect from General Motors.
( 25 )
$55.99
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$97.99
ICT Billet accessory belt tensioners are made from aerospace-grade billet aluminum. They are perfect for high-rpm applications where the automatic belt tensioner throws the serpentine belt on deceleration. ICT Billet accessory belt tensioners are available in Corvette, Camaro, and truck spacing; plus, they include a pulley and all mounting hardware.
( 14 )
$87.99
These Edelbrock universal water pump pulleys are designed to work with Edelbrock water pumps. They feature billet aluminum construction and a hard-anodized finish.
( 6 )
$118.99
ACDelco GM Genuine Parts accessory belt tensioner brackets offer a precise fit for an easier installation. These replacements are designed, engineered, and tested for GM vehicles, so you get the quality you know and trust. The brackets are available in different styles for fitment on hundreds of vehicles from the 1990s and up. Keep your belt tensioner secure with GM Genuine Parts from ACDelco.
( 1 )
$79.99
ACDelco Gold idler pulleys are built to offer reliable operation under severe conditions. They're dependable in any weather or climate offering, you year-round performance. Mounting hardware is included on some popular applications. These pulleys are manufactured to meet or exceed your expectations for fit, form and function. Order the model recommended for your vehicle.
( 13 )
$53.99
March Performance billet aluminum serpentine alternator pulleys are manufactured from precision-machined 6060-T6 billet aluminum with either a clear or black powdercoated finish.
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$56.99
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$74.99
Today's modern vehicles possess complex accessory drive systems that require the replacement of all worn components in order to operate properly. Dayco Demanding Drive kits provide all the required components for a quiet, problem-free belt drive system, and have been designed to address the most demanding drives in the market. The kits include a Poly Rib W2 serpentine belt featuring Dayco's "W" rib design--the second generation of the most innovative advancement in belt technology manufactured with state-of-the-art processes making the belts some of the quietest available. These application-specific Dayco drive kits include, where applicable, Poly Rib W2 serpentine belt, No Slack automatic belt tensioner, No Slack idler/tensioner pulley, and a overrunning alternator pulley.
( 6 )
$64.99
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$92.99
March Performance billet aluminum V-belt alternator pulleys are manufactured from precision-machined 6060-T6 billet aluminum with either a clear or black powdercoated finish. They come in several sizes and are available with or without a cover.
( 37 )
$56.99
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$61.99
March's serpentine pulleys are available in a 25 percent underdrive to free up extra horsepower or a high water flow ratio to help increase cooling in those hot-running street rods. They're machined on precision CNC equipment and come in steel or aluminum. The steel pulleys are machined from tough billet steel for strength and are given a high-gloss, black powdercoated finish. The aluminum pulleys are machined from 6061-T6 billet aluminum and are given a polished finish for good looks.
( 16 )
$61.99
Continental accessory drive belt kits give you the ease and convenience of having all the right parts in one place, right when you need them. Belts, tensioners and idlers work as a system, and replacing a single component in the system is not recommended. Continental accessory drive belt kits include the belt, plus automatic tensioner and idler pulley (where applicable), to replace all the components at the same time, preventing a complete system interruption and costly repairs. All parts meet or exceed OE recommendations and are guaranteed for OE fit, form, and function on import and domestic vehicles.
( 8 )
$71.99
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$107.99
Put some tension on your belts with Dorman automatic belt tensioners. Rigorously tested for sustained performance by a team of product and quality engineers, Dorman's automatic belt tensioner assemblies are designed to provide proper tension to vehicle serpentine belts. They incorporate a damping design, torsion spring, and sealing system to ensure the proper functioning of many integral engine components. Replace worn-out or weak parts with Dorman automatic belt tensioners. The automatic belt tensioner should be replaced whenever the serpentine belt is replaced. Features include: * Quality tests include torque testing, spring-back testing, corrosion-resistance testing, and on-vehicle testing * Solid steel or aluminum construction for long-lasting durability * Highly resistant to heat and shock * Designed to fit properly every time
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$51.99
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$80.99
These Moroso alternator pulleys are designed to reduce alternator speeds for high-rpm applications. They're machined from lightweight aluminum to reduce alternator bearing loads and feature a deep groove to help retain V-belts at high rpm.
( 5 )
$97.99
Chevrolet Performance drive belt tensioners keep your belts just right--not too loose or too tight. Chevrolet Performance belt tensioners adjust for the right tension as your belts age and stretch--with no re-adjustments! What keeps your GM engine performance spinning? Chevrolet Performance drive belt tensioners, of course!
( 1 )
$63.99
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$69.99
On Sale
Mr. Gasket alternator pulleys are manufactured from quality aluminum or chrome plated steel for strength and durability. These pulleys are available in several styles to suit your automotive needs.
( 9 )
$68.05
Continental Accu-Drive tensioners are designed so that the belt tension, frictional damping, and amount of belt take-up are ideal for your application. All Continental Accu-Drive automatic belt tensioners meet or exceed OEM specifications for all major car manufacturers.
( 29 )
$52.99
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$105.99
Aeromotive alternator overdrive pulleys are the great equalizers when used in conjunction with horsepower-boosting underdrive crank pulleys. Some drivers notice an unhealthy drop in charging capacity after installing underdrive pulleys. These natural CNC-machined finish overdrive pulleys resolve that issue by counteracting those slower underdrive revolutions. They're available in 32 and 50 percent overdrive versions. Alternatively, if you merely require increased charging capacity for that sweet sound system or other electronics, Aeromotive alternator overdrive pulleys save the day again! Order the V-belt or serpentine model needed for your application.
Not Yet Reviewed
$73.84
Dayco No Slack automatic belt tensioners can resolve belt squeal, improper tracking, or an accessory that has stopped working completely. Featuring "flat spring" technology, these tensioners allow for an increase in torque to be transmitted to the belt when needed, compensating for stretch and wear, while maintaining constant tension throughout the life of your belt. They are built with tough, long-lasting cast aluminum housings and arms, steel locator pins, and arm plates. Engineered to outperform and outlast OEM parts, take up the slack with Dayco No Slack automatic belt tensioners.
( 33 )
$64.99
Dorman water pump pulleys are made from selected materials to fit and function just like your original OE part. These pulleys are an integral part of the drive system for belt-driven water pumps. Exposure to the elements, impacts, or trying to remove it without the proper puller could cause damage to your components. Replace your pulley with the direct fit of Dorman water pump pulleys.
( 1 )
$52.95
Take up the slack with Dayco No Slack Tensioner pulleys. These specially formulated glass-filled polymer or steel-bodied pulleys have smoother surfaces and tighter dimensional tolerances for less vibration and longer belt life. They meet or exceed OEM specifications and feature lifetime lubricated bearings and high-temperature seals to ensure peak bearing performance. Maximum structural integrity and optimal performance mean Dayco value for you. Keep your belts from slacking off with Dayco No Slack Tensioner pulleys.
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$52.99
ACDelco V-ribbed serpentine belts resist the penetration of water, acids, and ozone--plus, they provide broad temperature tolerances. Their patented advanced technology design incorporates EPDM rubber, which stays soft and pliable longer than traditional belt materials. Neoprene and certain grades of rubber can harden, causing unwanted squealing and a shorter belt life. The flexible construction of these serpentines allows each belt to withstand many topside and backside bends. ACDelco offers their V-ribbed replacement belts in various lengths, widths, and rib quantities for a wide range of fitments.
( 37 )
$91.99
Continental Accu-Drive idler pulleys deliver OE form, fit, and function for optimum performance and durability. They are application-specific and follow original equipment material requirements. Additional hardware is provided when required, avoiding the need to hunt down replacements for stripped bolts or missing washers. Continental idler pulleys come ready to install without any extra fabrication or machining. Thermoplastic pulleys features include: * Available for smooth and grooved applications * Glass-reinforced thermoplastic provides ideal dimensional control and running surface durability * Service-free, sealed ball bearings * Molded-in bearing for optimum fit and long service life * Precise dimensional tolerances for smooth operation. Steel pulleys features include: * Precision steel stamping * Close tolerance ball bearing pocket * Electro-deposited coating for superior corrosion resistance * Crowned running surface aids proper belt tracking
Not Yet Reviewed
$52.99
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$61.99
INA accessory drive tensioners are reliable FEAD solutions. Providing outstanding vibration damping, they will deliver constant tension to eliminate slip, maintain alignment, and allow for optimal function of your front end auxiliary drive system.
Not Yet Reviewed
$80.99
Continental OE Technology Series Multi-V stretch belts are serpentine replacements especially useful in applications with no mechanical tensioner. They deliver the factory fit and function that mechanics and drivers appreciate. Uniquely designed with advanced EPDM rubber compounds, these stretch belts feature nylon tensile cord that elongates for installation, but recovers to maintain constant tension over the life of the belt. They're available in 3, 4, 5, and 6-rib models for use on specific vehicles.
( 2 )
$58.99
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