How to properly immobilize the engine and vehicle before starting work on the Belt Tensioner and Cam Gear on Volkswagen Cabrio?

The first step to take before commencing work would be to immobilize the engine and vehicle by removing the cable on the negative terminal of the battery, and it is important to have the right activation code when dealing with any anti-theft stereo system. Put the parking brake on and chock the wheels at the back to ensure it does not move. The components are located under drivebelt(s) and water pump pulley. Start the engine on No. 1 cylinder by turning the engine to TDC and then remove the timing belt upper and lower covers. Loose the retaining nut in the tensioner pulley hub and turn it counterclockwise to take the tension off the timing belt and then take the nut and washer out. Loosen the tensioner off its mounting stud, clean it with no solvents, and look at it. Install the tensioner pulley, washer and retaining nut without tightening, tension the timing belt and install the covers before reconnecting the battery. In the case of the camshaft timing belt sprocker, the timing belt covers are removed, the engine is set to TDC, and the tensioner center nut is loosened, and then the timing belt is slipped off the sprocker. With the retaining bolt loosened, a homemade tool may be needed but hold the sprocket stationary then slide it off and inspect the oil seal to eliminate any leakes. Clean the mating surfaces, fit the Woodruff key (where needed), locate the sprocket and key, check-TD, tension the timing belt and the covers. In the case of the crankshaft timing belt sprocket, the steps to be followed are as follows; that is, to remove the covers, to adjust TDC, and to release tension on the belt. Have sprocket stationary, loosen retaining bolt and then remove sprocket and inspect the seal. Clean the surfaces, install the sprocket, tighten the bolt, check TDC, tension the timing belt and install the covers. In the case of the intermediate shaft sprocket, the covers are to be removed, TDC to be set, tension relieved and the belt removed by sliding it off. Loosen the retaining bolt with a makeshift tool in holding the sprocket, then unscrew the retaining bolt and remove the sprocket checking the oil seal. Cleaning the surfaces, fit the Woodruff key, adjust the sprocket, verify TDC, screw the bolt, tension the timing belt and put the covers on. Lastly, fit and pull the drivebelt(s).

Genuine Volkswagen Belt Tensioner

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67 Belt Tensioners found

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Volkswagen Tensioner Part Number: 021-109-509-E
$34.79 MSRP: $57.99
You Save: $23.20 (41%)
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Product Specifications
- Other Name: Tensioner Rail
Fits the following Volkswagen Models:
- EuroVan | 1999-2000, 1997 | Camper, GLS, MV | 6 Cyl 2.8 L GAS
- Golf | 1998-2002 | GTI, GTI GLX, GTI VR6 | 6 Cyl 2.8 L GAS
- Jetta | 1998-2002 | GLI, GLS, GLX | 6 Cyl 2.8 L GAS
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Volkswagen Belt Tensioner Part Number: 06K-903-133-AF
$182.06 MSRP: $254.99
You Save: $72.93 (29%)
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Product Specifications
- Other Name: Belt Damper
- Replaced by: 06L-903-133-D
Fits the following Volkswagen Models:
- Atlas | 2018-2021 | S, SE, SEL, SEL Premium | 4 Cyl 2.0 L GAS
- Atlas Cross Sport | 2020-2021 | S, SE, SEL | 4 Cyl 2.0 L GAS
- Tiguan | 2018-2022 | S, SE, SE R-Line Black, SEL, SEL Premium, SEL Premium R-Line, SEL R-Line | 4 Cyl 2.0 L GAS
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Volkswagen Tensioner Part Number: 066-109-509-A
$38.56 MSRP: $53.54
You Save: $14.98 (28%)
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Fits the following Volkswagen Models:
- Eos | 2007-2008 | 3.2, VR6 | 6 Cyl 3.2 L GAS
- EuroVan | 2001-2003 | GLS, MV | 6 Cyl 2.8 L GAS
- Golf | 2003-2005 | GTI VR6 | 6 Cyl 2.8 L GAS
- Jetta | 2003-2004 | GLI, GLX | 6 Cyl 2.8 L GAS
- R32 | 2008, 2004 | Base | 6 Cyl 3.2 L GAS
- Touareg | 2004-2006 | Base, V6 | 6 Cyl 3.2 L GAS
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Volkswagen Belt Tensioner Part Number: 06K-903-133-AG
$176.11 MSRP: $246.65
You Save: $70.54 (29%)
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Product Specifications
- Other Name: Belt Damper
- Replaced by: 06L-903-133-F
Fits the following Volkswagen Models:
- Atlas | 2021-2023 | S, SE, SEL, SEL Premium | 4 Cyl 2.0 L GAS
- Atlas Cross Sport | 2021-2023 | S, SE, SEL, SEL R-Line, SEL R-Line Black | 4 Cyl 2.0 L GAS
- GTI | 2019-2021 | Autobahn, Rabbit Edition, S, SE | 4 Cyl 2.0 L GAS
- Jetta | 2019-2024 | GLI 35th Anniversary Edition, GLI Autobahn, GLI S | 4 Cyl 2.0 L GAS
- Tiguan | 2022-2024 | S, SE, SE R-Line Black, SEL R-Line | 4 Cyl 2.0 L GAS
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Volkswagen Idler Pulley Part Number: 026-109-243-L
$74.96 MSRP: $104.98
You Save: $30.02 (29%)
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Product Specifications
- Other Name: Tensioner; Tension Pulley
- Replaces: 026-109-243-E
Fits the following Volkswagen Models:
- Cabrio | 1995-1999 | Base, GL, GLS, High Line | 4 Cyl 2.0 L GAS
- Cabriolet | 1991-1993 | Base, Carat, Classic, Etienne Aigner, Wolfsburg Edition | 4 Cyl 1.8 L GAS
- Corrado | 1991-1992 | G60 | 4 Cyl 1.8 L GAS
- Fox | 1991-1993 | Base, GL | 4 Cyl 1.8 L GAS
- Golf | 1991-1998 | Base, Celebration Edition, City, CL, GL, GTI, GTI 16-Valve, GTI 8-Valve, Jazz, K2, Limited Edition, Sport, Trek | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS
- Jetta | 1991-1999 | Carat, Celebration Edition, City, GL, GLI 16-Valve, GLS, GT, Jazz, K2, Limited Edition, Trek, Wolfsburg Edition | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS
- Passat | 1995-1996, 1991-1993 | CL, GL, GLS | 4 Cyl 2.0 L GAS
- Vanagon | 1984 | Campmobile, GL, L | 4 Cyl 1.6 L DIESEL, 4 Cyl 1.9 L GAS
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Volkswagen Belt Tensioner Part Number: 06Q-903-133-F
$128.51 MSRP: $179.98
You Save: $51.47 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Belt Damper
- Replaced by: 06Q-903-133-E
Fits the following Volkswagen Models:
- Atlas | 2024 | Peak Edition SE, Peak Edition SEL, SE, SEL, SEL Premium R-Line | 4 Cyl 2.0 L GAS
- Atlas Cross Sport | 2024 | SE, SEL, SEL Premium R-Line, SEL R-Line | 4 Cyl 2.0 L GAS
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Volkswagen Tensioner Part Number: 021-109-509-A
$79.97 MSRP: $112.00
You Save: $32.03 (29%)
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Fits the following Volkswagen Models:
- Golf | 1995-1997 | GTI VR6 | 6 Cyl 2.8 L GAS
- Jetta | 1995-1997 | GLX | 6 Cyl 2.8 L GAS
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Volkswagen Tensioner Part Number: 021-109-467
$94.00 MSRP: $131.64
You Save: $37.64 (29%)
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Product Specifications
- Other Name: Chain Guide, Tensioner Rail
Fits the following Volkswagen Models:
- CC | 2009-2016 | 4 Motion, Executive, Executive 4 Motion, Lux, V6 Executive 4Motion, VR6, VR6 4Motion, VR6 4Motion Executive, VR6 Sport | 6 Cyl 3.6 L GAS
- Eos | 2007-2008 | 3.2, VR6 | 6 Cyl 3.2 L GAS
- EuroVan | 1999-2003, 1997 | Camper, GLS, MV | 6 Cyl 2.8 L GAS
- Golf | 1995-2005 | GTI, GTI GLX, GTI VR6 | 6 Cyl 2.8 L GAS
- Jetta | 1995-2004 | GLI, GLS, GLX | 6 Cyl 2.8 L GAS
- Passat | 2012-2018, 2006-2008 | 3.6, GT, SE, SEL Premium, VR6 | 6 Cyl 3.6 L GAS
- R32 | 2008, 2004 | Base | 6 Cyl 3.2 L GAS
- Touareg | 2004-2010 | Base, V6, VR6 | 6 Cyl 3.2 L GAS, 6 Cyl 3.6 L GAS
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Volkswagen Tensioner Part Number: 021-109-507-B
$99.95 MSRP: $139.98
You Save: $40.03 (29%)
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Fits the following Volkswagen Models:
- EuroVan | 1999-2000, 1997 | Camper, GLS, MV | 6 Cyl 2.8 L GAS
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Volkswagen Idler Pulley Part Number: 026-109-243-J
$101.14 MSRP: $141.65
You Save: $40.51 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Tensioner; Tension Pulley
Fits the following Volkswagen Models:
- Cabrio | 1997-2002 | Base, GL, GLS, GLX, High Line | 4 Cyl 2.0 L GAS
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Volkswagen Belt Tensioner Part Number: 06A-109-479-F
$107.09 MSRP: $149.98
You Save: $42.89 (29%)
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Product Specifications
- Other Name: Tensioner; Idler Pulley, Tension Pulley
- Replaces: 06A-109-479-C, 06A-109-479-B, 06A-109-479-A
Fits the following Volkswagen Models:
- Beetle | 1998-2005 | Base, GL, GLS, Sport | 4 Cyl 2.0 L GAS
- Golf | 1999-2006 | GL, GLS, GTI, GTI GLS, Wolfsburg Edition | 4 Cyl 2.0 L GAS
- Jetta | 2011-2015, 1999-2005 | Base, GL, GLS, S | 4 Cyl 2.0 L GAS
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Volkswagen Belt Tensioner Part Number: 06F-903-315
$109.47 MSRP: $153.31
You Save: $43.84 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Tensioner; Serpentine Tensioner
Fits the following Volkswagen Models:
- Eos | 2007-2009 | 2.0T, Base, Komfort, Lux, Turbo | 4 Cyl 2.0 L GAS
- GTI | 2006-2009 | Base, Fahrenheit | 4 Cyl 2.0 L GAS
- Golf R | 2012-2013 | Base | 4 Cyl 2.0 L GAS
- Jetta | 2011-2015, 2006-2009 | 2.0T, Base, GLI, S, SEL, TDI, Wolfsburg Edition | 4 Cyl 2.0 L DIESEL, 4 Cyl 2.0 L GAS
- Passat | 2006-2008 | 2.0T, Komfort, Lux, Turbo, Value Edition, Wolfsburg Edition | 4 Cyl 2.0 L GAS
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Volkswagen Tensioner Part Number: 7B0-903-315-A
$144.20 MSRP: $202.63
You Save: $58.43 (29%)
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Fits the following Volkswagen Models:
- Routan | 2009-2010 | SEL, SEL Premium | 6 Cyl 4.0 L GAS
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Volkswagen Tensioner Part Number: 037-903-315-C
$111.86 MSRP: $156.67
You Save: $44.81 (29%)
Ships in 1-2 Business Days
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Fits the following Volkswagen Models:
- Cabrio | 1999-2002 | Base, GL, GLS, GLX | 4 Cyl 2.0 L GAS
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Volkswagen Belt Tensioner Part Number: 06B-109-243
$117.80 MSRP: $164.98
You Save: $47.18 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Tensioner; Belt Tensioner, Tension Pulley
Fits the following Volkswagen Models:
- Beetle | 1999-2000 | GL, GLS, GLX | 4 Cyl 1.8 L GAS
- Golf | 2000 | GLS, GTI GLS | 4 Cyl 1.8 L GAS
- Jetta | 2000 | GLS | 4 Cyl 1.8 L GAS
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Volkswagen Idler Pulley Part Number: 06B-109-243-E
$117.80 MSRP: $164.98
You Save: $47.18 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Tensioner; Idler Pulley
- Replaces: 06B-109-243-B
Fits the following Volkswagen Models:
- Passat | 2001-2005 | GL, GLS, GLS 4 Motion | 4 Cyl 1.8 L GAS
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Volkswagen Belt Tensioner Part Number: 06B-109-243-F
$117.80 MSRP: $164.98
You Save: $47.18 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Tensioner; Belt Tensioner, Tension Pulley
- Replaces: 06B-109-243-D, 06B-109-243-A
Fits the following Volkswagen Models:
- Beetle | 2000-2005 | GL, GLS, GLX, Sport, Turbo S | 4 Cyl 1.8 L GAS
- Golf | 2000-2006 | GLS, GTI 1.8T, GTI 20th Anniversary, GTI 337, GTI GLS | 4 Cyl 1.8 L GAS
- Jetta | 2000-2005 | GL, GLI, GLS, Wolfsburg Edition | 4 Cyl 1.8 L GAS
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Volkswagen Tensioner Part Number: 059-903-133-BA
$120.18 MSRP: $168.31
You Save: $48.13 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Belt Damper
Fits the following Volkswagen Models:
- Touareg | 2013-2016 | TDI Executive, TDI Lux, TDI R-Line, TDI Sport, X | 6 Cyl 3.0 L DIESEL
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Volkswagen Tensioner Pulley Part Number: 7B0-109-243-A
$121.28 MSRP: $169.86
You Save: $48.58 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Tensioner
- Replaces: 7B0-109-243
Fits the following Volkswagen Models:
- Routan | 2009-2010 | SEL, SEL Premium | 6 Cyl 4.0 L GAS
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Volkswagen Belt Tensioner Part Number: 038-903-315-AN
$122.56 MSRP: $171.64
You Save: $49.08 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Tensioner; Serpentine Tensioner
- Replaces: 038-903-315-AM, 038-903-315-AH, 03L-145-276
Fits the following Volkswagen Models:
- Beetle | 2013-2015 | TDI | 4 Cyl 2.0 L DIESEL
- Golf | 2010-2014 | TDI | 4 Cyl 2.0 L DIESEL
- Jetta | 2009-2015 | S, TDI, TDI Cup Edition, TDI Premium, Wolfsburg Edition | 4 Cyl 2.0 L DIESEL, 4 Cyl 2.0 L GAS
- Passat | 2012-2015 | TDI SE, TDI SEL, TDI SEL Premium | 4 Cyl 2.0 L DIESEL
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1-20 of 67 Results

Volkswagen Belt Tensioner

Volkswagen Belt Tensioner keeps the drive belt tight so engine components run smoothly and drivers enjoy reliable power every mile. For more than eight decades the brand has shown that innovation can stay approachable, starting with the Beetle that brought mobility to many and stretching to today's ID electric lineup that points toward a cleaner future. The brand builds cars on the clever MQB platform, pairs TSI turbo efficiency with direct fuel injection, and fills cabins with digital cockpit screens, park assist aids, and the intuitive MIB infotainment suite. VW fans also value the timeless styling that hides rock solid engineering, a blend that helps each VW feel familiar yet fresh. Matching that pursuit of dependable performance, the Belt Tensioner uses a spring loaded arm and precision pulley to apply steady pressure, preventing slip and squeal while the alternator, water pump, steering pump, and air conditioning compressor draw energy from the crankshaft. Its automatic design adjusts itself as the belt stretches with age, supporting longer service life and consistent component output across the entire lineup. By keeping vibration down and alignment true, the Belt Tensioner shields critical bearings and reduces the chance of roadside surprises. Whether commuting in a compact hatchback or touring in a spacious SUV, VW owners gain confidence because this small component quietly guards the rhythm of the engine.

Buying OEM parts is a smart move to keep your long-term repair costs low. These components are built to last because VW uses such strict factory standards. At VWPartsGiant.com, it is easy to find genuine Volkswagen Belt Tensioner at prices that actually beat the competition. You get a real manufacturer's warranty with every single part, so you know your purchase is safe. Plus, forget about return headaches since our policy is easy and worry-free. We ship your order fast, too. If you have questions, our team of parts experts is ready to help. Why wait? Start shopping now!

Volkswagen Belt Tensioner Parts and Q&A

Idler Pulley
026-109-243-J
Q: How to properly immobilize the engine and vehicle before starting work on the Belt Tensioner and Cam Gear on Volkswagen Cabrio?
A:
The first step to take before commencing work would be to immobilize the engine and vehicle by removing the cable on the negative terminal of the battery, and it is important to have the right activation code when dealing with any anti-theft stereo system. Put the parking brake on and chock the wheels at the back to ensure it does not move. The components are located under drivebelt(s) and water pump pulley. Start the engine on No. 1 cylinder by turning the engine to TDC and then remove the timing belt upper and lower covers. Loose the retaining nut in the tensioner pulley hub and turn it counterclockwise to take the tension off the timing belt and then take the nut and washer out. Loosen the tensioner off its mounting stud, clean it with no solvents, and look at it. Install the tensioner pulley, washer and retaining nut without tightening, tension the timing belt and install the covers before reconnecting the battery. In the case of the camshaft timing belt sprocker, the timing belt covers are removed, the engine is set to TDC, and the tensioner center nut is loosened, and then the timing belt is slipped off the sprocker. With the retaining bolt loosened, a homemade tool may be needed but hold the sprocket stationary then slide it off and inspect the oil seal to eliminate any leakes. Clean the mating surfaces, fit the Woodruff key (where needed), locate the sprocket and key, check-TD, tension the timing belt and the covers. In the case of the crankshaft timing belt sprocket, the steps to be followed are as follows; that is, to remove the covers, to adjust TDC, and to release tension on the belt. Have sprocket stationary, loosen retaining bolt and then remove sprocket and inspect the seal. Clean the surfaces, install the sprocket, tighten the bolt, check TDC, tension the timing belt and install the covers. In the case of the intermediate shaft sprocket, the covers are to be removed, TDC to be set, tension relieved and the belt removed by sliding it off. Loosen the retaining bolt with a makeshift tool in holding the sprocket, then unscrew the retaining bolt and remove the sprocket checking the oil seal. Cleaning the surfaces, fit the Woodruff key, adjust the sprocket, verify TDC, screw the bolt, tension the timing belt and put the covers on. Lastly, fit and pull the drivebelt(s).