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Holley LS tensioner assemblies are designed for use with all Holley passenger side LS accessory drive brackets. They include a 68mm grooved pulley and are made of high-quality materials to ensure long-lasting performance. If you're looking for a new tensioner assembly for your LS motor, Holley has the high-quality parts you can depend on time and time again.
( 7 )
$129.95
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$199.95
GMB timing belt tensioner hydraulic assemblies are built to precise tolerances for easy installation and are available for numerous vehicles. When working with timing belts, hydraulic tensioners can ensure proper tension and engine performance. A loss in timing belt tension can be critical to your engine, causing damage or failure. GMB reminds us, "It's never a good idea to compromise on quality". Their hydraulic timing belt tensioner assemblies are rigorously tested to ensure optimal operation and to withstand high-performance use. Choose the proper fit for your vehicle.
Not Yet Reviewed
$35.50
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$136.99
Maintain your factory drive belt tensioner with ATI idler pulley assemblies. Pulleys engineered with smoother surfaces and structural strength result in less vibration and longer belt life, while lubricated bearings and high temperature seals are vital elements to ensure peak pulley performance. These ATI aluminum pulleys press onto the water pump shaft. Order the width needed to refresh or upgrade your vehicle's belt system.
( 2 )
$128.99
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$140.99
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.
( 39 )
$50.99
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$96.99
The Chevrolet line of LS series engines are the next line of historic performance engines for the hot rodders and builders of today. LS Classic Series specializes in these popular LS engines and offers a variety of products that add a vintage look with modern technology. That includes replacement accessory belt tensioners. They maintain the regulated amount of pressure/tension on the drive belts so that the pulleys can be rotated as needed. The tensioners are available individually (pulley only), or in pulley and bearing assemblies. Order the model recommended for your application.
Not Yet Reviewed
$104.95
Clearance
URO Parts accessory belt tensioners and tensioner assemblies are designed and manufactured to withstand the impact today's worsening traffic conditions place on an engine and its accessory drives. Their drive belt tensioners are manufactured with premium materials and bearings to outlast other European brands … at a fraction of the cost of OE. Every URO manufacturing facility is ISO 9000 certified; plus, all URO Parts accessory belt tensioners and tensioner assemblies undergo intensive testing and inspection to make certain that each part meets or exceeds OE standards for fit, function, durability, and design.
( 2 )
$53.99
$19.99
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$106.99
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.
( 15 )
$217.99
These Vortech supercharger idler pulleys are made of 6061 T-6 aluminum, hard-anodized and built to SAE standards. Designed for use with Vortech superchargers, these idler pulleys help prevent belt slippage.
( 13 )
$80.99
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 )
$50.50
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$69.99
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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$82.99
Dorman accessory drive belt tensioners are designed to match the fit and function of the original equipment tensioner on specified vehicles. These replacements are manufactured using quality components, ensuring durability and performance without breaking your budget. They're available in a variety of pulley styles, including serpentine and smooth. Order the model recommended for your vehicle.
Not Yet Reviewed
$51.99
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$134.99
For OEM replacements like idler pulleys, Four Seasons is your partner in automotive problem solving. Designed to meet or exceed the original manufacturer's requirements, Four Seasons is committed to supplying quality replacement parts for your vehicle. Their smooth idler pulleys are available in either thermoplastic or steel, depending on the application, and dust covers are used to prevent dirt and other contaminants from harming the bearing. Choose Four Seasons idler pulleys, you know they'll fit and perform properly.
( 26 )
$47.99
Hayden automotive replacement idler pulleys will keep your drive belt on the right track. Hayden replacement idler pulleys are manufactured from quality materials to ensure performance and reliability. Available for most passenger cars, light trucks, and SUVs.
( 27 )
$46.99
Holley's mid-mount accessory drives are available for small-block Ford engines. These systems have all accessories pulled in tighter than other accessory drives. At their heart is a "bracket-less" mounting design—the accessories mount directly to a uniquely designed timing cover for a clean, integrated form. This product offers superb engine visibility to show off your engine, not unsightly accessory brackets. The premium alternator utilizes 6-phase technology as found on the C7 Corvette and only requires a one-wire hookup. The water pump cartridge also shares its design efficiencies with that of the C7 Corvette. A compact and reliable SD7 A/C compressor and Type II power steering pump with baffled reservoir are also integrated. This system design provides two heater hose return port locations (upper top and passenger-side low). The mid-mount system comes complete with everything you need: the water pump, A/C compressor, alternator, and power steering pump with reservoir. All pulleys and the belt are supplied, along with heater hose adapters, power steering to-6 AN hardline, and the alternator plug/harness. Color graphical instructions walk you through every step for an easy installation. Systems are available with a natural or black finish. Features and benefits: * Bracket-less accessory mounting integrated with supplied front timing cover assembly means this kit will work on all block deck heights * Water pump inlet pipe mounts for either driver or passenger side lower radiator hose routing; timing cover also has mounting for driver or passenger side ignition timing pointers to accommodate all needs * Two return heater hose ports (upper center and pass-side low) with hose adapter/port plug included for a complete solution * Crankshaft belt pulley configured for 3 or 4-bolt crank dampers; spacer P/Ns 97-446, 97-447, or 97-448 are available for purchase to adjust for different OE crank damper pulley flange depths * Power steering may be deleted with a drivebelt change; see installation instructions for the commonly available drive belt required * A mechanical fuel pump may be used with this kit. See installation instructions for required timing cover mod to be performed; and the power steering pump will need relocation (use kit 97-436); a remote mounted P/S reservoir is also required * C7 LT1 style premium alternator, 150 amp * C7 LT1 style water pump design * Compact SD7 A/C compressor * Type II power steering pump with baffled reservoir * P/S adapter hardline to-6 AN adapter included * OE pulley ratios for optimal accessory performance
Not Yet Reviewed
$2,510.95
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$2,612.95
Billet Specialties Tru Trac serpentine systems with A/C feature easy, straightforward assembly—with no spacers or washers to fool with. The entire Tru Trac systems are designed to mount to the engine block to allow for any cylinder head/intake configuration. All hardware and fasteners are included in each kit to complete the install. Tru Trac serpentine systems with A/C include: * Powermaster 170 amp 1-wire alternator * Billet aluminum alternator fan and pulley * Edelbrock water pump * Billet aluminum water pump pulley * Billet aluminum bridge bracket * Patent-pending billet aluminum tensioner engineered specifically for each Tru Trac serpentine system * Billet aluminum tensioner pulley * Billet aluminum crankshaft pulley * Polished ARP 12-point stainless steel fasteners * Goodyear Gatorback 6-rib serpentine belt * Comprehensive installation manual * Polished Sanden SD-7 A/C compressor * Polished billet aluminum A/C compressor clutch cover * Polished billet aluminum A/C compressor manifold
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$2,499.95
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$2,999.95
March Performance Style Track serpentine systems are created with a combination of high style and low price that will find favor among car enthusiasts everywhere. The systems have a unique, easy-to-use belt tension adjustment tool. Once the belt tension has been set, the adjustment tool is easily removed and stowed away until the next time that the belt requires adjustment. Nearly 150 models are available, designed for fitment on specific applications. Assembly options include with or without power steering pump or A/C compressor; crankshaft pulley finish; bolt hole quantity; and water pump material. Order the replacement serpentine system recommended for your vehicle.
( 52 )
$1,484.99
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$2,712.99
Regardless of whether your application is high performance street or all-out race, knowing that your accessory belt will stay in place at high rpm is extremely important. COMP Cams belt tensioners with idler pulleys fit all GM LS passenger car engines, including LS1, 2, 3, 6, and 7 and feature a higher pulley sidewall so that your serpentine belt always stays in place. The belt tensioners feature lightweight 6061-T6 aluminum billet construction and are black anodized to be attractive and functional additions to any LS passenger car engines. These COMP Cams belt tensioners with idler pulleys replace the stock LS engine unit but use the factory drive belt. Best of all, they are assembled and torqued at the factory for quick and easy installation. The new systems do not require disabling the stock tensioner and keep the correct tension on the belt, regardless of the demand. These components are not designed to work with LS truck engine applications.
( 18 )
$200.95
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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$23.50
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$252.99
Holley power steering pulleys are designed to work with Holley aluminum power steering pump assemblies and similar pumps with a 0.66 in. shaft. These Corvette-style steel pulleys are the accessory drive add-ons you need to keep your auto running smooth.
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$70.49
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$126.95
Get more power to go to the wheels and protect your accessories from high-speed burnout with Trick Flow® Track Max® underdrive harmonic damper and pulley kits for Ford 4.6L. The kits include everything you need--an underdrive crankshaft damper and pulley assembly, black powdercoated steel pulleys for the water pump and alternator, and new crankshaft and alternator bracket bolts.
( 7 )
$232.99
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$299.99
Clearance
Over an extended time, automotive belts are susceptible to wear and tear—and excessive slippage or complete failure could mean serious damage to the engine or its systems. INA offers accessory drive belt kits, providing a smart solution that ensures the process of replacing the worn tensioner along with the drive belt at the same time. These intelligently assembled INA accessory drive belt kits deliver the correct fit, form, and function in proven OEM quality to service your vehicle.
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$195.99
$34.50
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$252.99
March Performance serpentine alternator drive kits allow you to keep your alternator when running an aftermarket electric water pump. They include a new crankshaft pulley, an alternator bracket and tensioner rod, an idler pulley assembly, and an alternator pulley. These kits feature clear powdercoated aluminum pulleys and brackets, so their finish will remain intact for years to come. Whether you have a CSR, Meziere, or Aerospace electric water pump, the March Performance serpentine alternator drive kits will give you the reliability and performance you require out of your vehicle.
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$155.99
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$200.99
Continental EP belt system solver kits are the solution for vehicles with a history of belt system issues. Each kit includes a special double-sided multi-rib belt, a new tensioner with grooved pulley, and a complete grooved idler pulley assembly. These components help to better hold the belt in position. As a result, heavy rain or snow will no longer cause the belt to jump off the pulleys.
Not Yet Reviewed
$194.99
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$210.99
Dorman replacement alternator pulleys are improved to address vulnerabilities in the original design. These serpentine-style pulleys effectively resist the heat and dust that can cause the clutch and bearing to fail. They also provide convenience at an affordable price, allowing you to simply replace the pulley instead of the entire alternator assembly. Dorman direct-fit pulleys restore the alternator to proper performance—preventing belt noise, as well as premature wear on the belt and belt-driven engine accessories. Order the model designed for your vehicle application.
Not Yet Reviewed
$28.99
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$137.99
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