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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 )
$68.99
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$96.99
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
( 41 )
$51.99
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$92.99
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
Replace your old, wobbly pulley with these PSC power steering pulleys. Made from high quality materials, they meet factory specifications to ensure a precise fit on your power steering pump. An integral part of the drive system for belt-driven steering pumps, PSC power steering pulleys have you covered.
( 10 )
$85.00
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
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$81.99
Holley idler pulleys are designed to help keep your belt in place during high rpm. They are manufactured from quality materials and are available in different designs to fit your specific belt.
( 4 )
$65.39
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$79.95
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
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 )
$50.99
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$84.50
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 )
$59.99
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$88.99
Eliminate the annoying squeal under your hood by replacing damaged or cracked belts with ACDelco FleetRunner serpentine belts. They feature quality materials to help provide long life, minimize noise, and reduce tension loss. ACDelco offers their FleetRunner serpentine belts in various lengths and groove quantities to match specific applications. The belts are available for nearly two dozen position/applications in the engine bay.
( 2 )
$57.99
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 )
$87.99
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$108.99
ICT Billet alternator brackets are made from aerospace-grade billet aluminum. They come packaged in kits that include alternator brackets, bolts, spacers, and all the necessary mounting hardware. They bolt to the face of the block and can only be used on blocks with at least two mounting holes on the front of the block.
( 279 )
$99.99
ICT Billet belt tensioner relocation bracket kits reposition your belt tensioners to maintain correct alignment to the belt. Ensure that your belt remains at a nearly constant tension for maximum accessory drive component life, while still preventing belt slip. When properly applied, these kits provide consistent tension and help dampen belt system vibrations. They are made from aerospace-grade billet aluminum and include a bracket, bolts, spacers, and, where noted, a pulley.
( 2 )
$95.99
Continental OE Technology Series Multi-V belts are factory-style replacements covering virtually all vehicle applications. These new straight-ribbed multi-V belts offer original fit and function that professional technicians appreciate for their customers. The serpentine belts are constructed with advanced EPDM rubber compounds that improve durability and deliver a quieter ride. They're available in well over a hundred lengths, with rib options ranging from three to 14. Order the model recommended for your car, truck, van, SUV, or crossover.
( 325 )
$50.99
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$95.99
Fix noisy idler pulleys in your car with Crown Automotive direct fit replacement parts. Your serpentine belt is hard at work, bending and flexing against the pulleys as it powers your accessories. Over time, these pulleys can wear out and begin to squeak. When it's time for replacements, go with Crown direct fit pulleys.
( 10 )
$65.99
ATI alternator pulleys are designed to reduce alternator bearing loads and feature a deep groove to help retain V-belts at high rpm. All ATI alternator pulleys are manufactured from quality materials for strength and durability. For quality automotive parts, as well as a wide variety of high-performance enhancing components for your vehicle, look no further than ATI products.
( 1 )
$83.06
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$96.86
Dayco supercharger belts are engineered and thoroughly tested for use on late model supercharged cars like ZR1 Corvettes, Shelby Mustang, and SRT Hellcat applications. These replacement belts use aramid fiber-loaded EPDM construction, combined with high-stiffness PET cords for extreme durability and reduced slip under high boost conditions. Dayco belts are available in OEM sizing for many late-model, factory supercharged vehicles. This technology was developed with and tested by top level Drag Pak competitors using roots-style superchargers. Select the serpentine belt length, width, and rib count recommended for your car.
Not Yet Reviewed
$61.55
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$62.80
Innovators West alternator pulleys offer the performance you need. Constructed from premium materials and precision-finished, these alternator pulleys work well and look good. Available as engine/alternator-specific or universal fitment and in multiple groove counts. Innovators West alternator pulleys has you covered.
( 1 )
$105.45
Chevrolet Performance idler pulleys are a part of the accessory belt system on the front of the engine. These pulleys are a GM recommended replacement part for your vehicle's original component. Pulleys can be ribbed or smooth and contain a sealed ball bearing. These idler pulleys are used to divert the drive belt to the components such as the alternator, water pump, or power steering pump. Chevrolet Performance 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.
Not Yet Reviewed
$70.99
How would you like an engine belt that runs quieter, stretches less, and transfers more power than the competitors? Introducing Lingenfelter serpentine belts! As these key "drivers" warm up, the composite construction between the cords and rubber compound actually become more efficient at turning your engine's accessories--the myriad pumps, alternator, and A/C compressor. And, by absorbing the shockwaves from the crank pulley, these belts can assist your harmonic damper in reducing harmful vibrations. Lingenfelter serpentine belts are available in a range of sizes to fit various cars and trucks.
( 1 )
$85.45
Continental OE Technology Series idler pulleys are produced to OE form, fit, function, and material specifications to ensure optimum performance and durability. Their plastic pulleys feature glass-reinforced thermoplastic for optimized dimensional control and running surface durability, with a molded-in ball bearing for optimal fit and long life. Steel pulleys are manufactured from precision steel stampings and e-coated for superior corrosion resistance.
( 3 )
$58.99
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$66.99
Ford Genuine Parts belt tensioners are engineered for select Ford and Lincoln vehicles to provide the proper tension on the drive belt. They're designed with less operating range variation under tension to minimize poor performance and premature failure. These replacements are made from original materials and specs to ensure proper fit and long-lasting performance.
Not Yet Reviewed
$59.99
Mopar Replacement idler pulleys are genuine OE-replacements. That means your Chrysler, Dodge, Ram, or Jeep will receive the perfect part to repair and/or restore performance and safety, just as it should be. The pulleys are made from high-quality materials to provide reliable, long service with the right fit, function, and value. Mopar idler pulleys effectively guide with the proper tension for your engine drive belts. Order the model designed for your vehicle application.
( 2 )
$52.99
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