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INFINITI Belt Tensioner

81 items

A drive belt tensioner helps maintain tension in the accessory belt as it runs around the engine's pulleys. On an automatic design, an arm and spring or hydraulic mechanism apply pressure to the belt through a pulley.

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Belt Tensioner with Pulley for 2014-2022 INFINITI QX80Belt Tensioner with Pulley for 2014-2022 INFINITI QX80
A-Premium®Part # APBT0265
Belt Tensioner with Pulley for 2014-2022 INFINITI QX80
4.6182 Reviews
$57.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits INFINITI QX80: 2014 2015 2016 2017 2018 2019 2020 2021 2022
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: INFINITI
Item LocatedUnited States
Quantity1
ConditionNew
item #1004WEYE
Note
The part comes with the pulley.
Show less
Belt Tensioner Pulley for 2003-2004 2006-2010 INFINITI M45
A-Premium®Part # APBT0497
Belt Tensioner Pulley for 2003-2004 2006-2010 INFINITI M45
4.6182 Reviews
$22.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits INFINITI M45: 2003 2004 2006 2007 2008 2009 2010
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: INFINITI
Item LocatedUnited States
Quantity1
MaterialSteel
ConditionNew
item #1012ZNHD
Show less
Belt Tensioner for 2004-2010 Infiniti QX56
A-Premium®Part # APBT0098
Belt Tensioner for 2004-2010 Infiniti QX56
4.6182 Reviews
$42.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Infiniti QX56: 2004 2005 2006 2007 2008 2009 2010
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: INFINITI
Item LocatedUnited States
Quantity1
MaterialSteel
ConditionNew
item #10037LGT
Show less
Belt Tensioner with Pulley for 2003-2004 2006-2010 INFINITI M45
A-Premium®Part # APBT0315
Belt Tensioner with Pulley for 2003-2004 2006-2010 INFINITI M45
4.6182 Reviews
$60.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits INFINITI M45: 2003 2004 2006 2007 2008 2009 2010
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: INFINITI
Item LocatedUnited States
Quantity1
ConditionNew
item #1012WN8W
Note
This item comes with the Pulley.
Show less
Belt Tensioner with Pulley for 2011-2013 INFINITI QX56
A-Premium®Part # APBT0265
Belt Tensioner with Pulley for 2011-2013 INFINITI QX56
4.6182 Reviews
$57.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits INFINITI QX56: 2011 2012 2013
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: INFINITI
Item LocatedUnited States
Quantity1
ConditionNew
item #1004WA6Y
Note
The part comes with the pulley.
Show less
Belt Tensioner Pulley for 2002-2006 INFINITI Q45
A-Premium®Part # APBT0497
Belt Tensioner Pulley for 2002-2006 INFINITI Q45
4.6182 Reviews
$22.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits INFINITI Q45: 2002 2003 2004 2005 2006
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: INFINITI
Item LocatedUnited States
Quantity1
MaterialSteel
ConditionNew
item #1012ZHWX
Show less
Drive Belt Tensioner Pulley for 2003-2004 2006-2010 INFINITI M45
A-Premium®Part # APBT0473
Drive Belt Tensioner Pulley for 2003-2004 2006-2010 INFINITI M45
4.6182 Reviews
$22.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits INFINITI M45: 2003 2004 2006 2007 2008 2009 2010
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: INFINITI
Item LocatedUnited States
Quantity1
MaterialSteel
ConditionNew
item #1012ZLT5
Show less
Belt Tensioner with Pulley for 2002-2006 INFINITI Q45
A-Premium®Part # APBT0315
Belt Tensioner with Pulley for 2002-2006 INFINITI Q45
4.6182 Reviews
$60.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits INFINITI Q45: 2002 2003 2004 2005 2006
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: INFINITI
Item LocatedUnited States
Quantity1
ConditionNew
item #1012WN72
Note
This item comes with the Pulley.
Show less
Timing Belt Tensioner for 1990-1992 INFINITI M30
A-Premium®Part # APBT0658
Timing Belt Tensioner for 1990-1992 INFINITI M30
4.6182 Reviews
$28.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits INFINITI M30: 1990 1991 1992
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: INFINITI
Item LocatedUnited States
Quantity1
ConditionNew
item #1018465Z
Note
Except Mercury Villager, Interference engine application.
Show less
Belt Tensioner Pulley for 2003-2008 INFINITI FX45
A-Premium®Part # APBT0497
Belt Tensioner Pulley for 2003-2008 INFINITI FX45
4.6182 Reviews
$22.99
Low stock: Only 3 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits INFINITI FX45: 2003 2004 2005 2006 2007 2008
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: INFINITI
Item LocatedUnited States
Quantity1
MaterialSteel
ConditionNew
item #1012ZKVU
Show less
Drive Belt Tensioner Pulley for 2003-2008 INFINITI FX45
A-Premium®Part # APBT0473
Drive Belt Tensioner Pulley for 2003-2008 INFINITI FX45
4.6182 Reviews
$22.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits INFINITI FX45: 2003 2004 2005 2006 2007 2008
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: INFINITI
Item LocatedUnited States
Quantity1
MaterialSteel
ConditionNew
item #1012ZHRK
Show less
Belt Tensioner with Pulley for 2003-2008 INFINITI FX45
A-Premium®Part # APBT0315
Belt Tensioner with Pulley for 2003-2008 INFINITI FX45
4.6182 Reviews
$60.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits INFINITI FX45: 2003 2004 2005 2006 2007 2008
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: INFINITI
Item LocatedUnited States
Quantity1
ConditionNew
item #1012WPNV
Note
This item comes with the Pulley.
Show less
Timing Belt Tensioner for 1997-2000 INFINITI QX4
A-Premium®Part # APBT0658
Timing Belt Tensioner for 1997-2000 INFINITI QX4
4.6182 Reviews
$28.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits INFINITI QX4: 1997 1998 1999 2000
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: INFINITI
Item LocatedUnited States
Quantity1
ConditionNew
item #101843CX
Note
Except Mercury Villager, Interference engine application.
Show less
Belt Tensioner for 2015-2019 Infiniti Q70L
A-Premium®Part # APBT0117
Belt Tensioner for 2015-2019 Infiniti Q70L
4.6182 Reviews
$37.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Infiniti Q70L: 2015 2016 2017 2018 2019
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: INFINITI
Item LocatedUnited States
Quantity1
MaterialSteel
ConditionNew
item #10037NCW
Show less
Drive Belt Tensioner Pulley for 2002-2006 INFINITI Q45
A-Premium®Part # APBT0473
Drive Belt Tensioner Pulley for 2002-2006 INFINITI Q45
4.6182 Reviews
$22.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits INFINITI Q45: 2002 2003 2004 2005 2006
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: INFINITI
Item LocatedUnited States
Quantity1
MaterialSteel
ConditionNew
item #1012ZKC0
Show less
AISIN Drive Belt Tensioner Assembly for 2004-2010 INFINITI QX56
AisinPart # BTN-00288
AISIN Drive Belt Tensioner Assembly for 2004-2010 INFINITI QX56
4.6182 Reviews
$67.99
Low stock: Only 2 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits INFINITI QX56: 2004 2005 2006 2007 2008 2009 2010
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: INFINITI
Item LocatedUnited States
ConditionNew
item #1018ULZA
Show less
AISIN Drive Belt Tensioner Assembly for 2014-2022 INFINITI QX80
AisinPart # BTN-00291
AISIN Drive Belt Tensioner Assembly for 2014-2022 INFINITI QX80
4.6182 Reviews
$67.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits INFINITI QX80: 2014 2015 2016 2017 2018 2019 2020 2021 2022
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: INFINITI
Item LocatedUnited States
Part interchange
39335, 119551LA0B
ConditionNew
item #1018PW2G
Show less
Belt Tensioner for 2014-2019 Infiniti Q70
A-Premium®Part # APBT0117
Belt Tensioner for 2014-2019 Infiniti Q70
4.6182 Reviews
$37.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits Infiniti Q70: 2014 2015 2016 2017 2018 2019
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: INFINITI
Item LocatedUnited States
Quantity1
MaterialSteel
ConditionNew
item #10037R53
Show less
AISIN Drive Belt Tensioner Assembly for 2013 INFINITI JX35
AisinPart # BTN-00292
AISIN Drive Belt Tensioner Assembly for 2013 INFINITI JX35
4.6182 Reviews
$51.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2013 INFINITI JX35
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: INFINITI
Item LocatedUnited States
Quantity1
Part interchange
119553JA0A
ConditionNew
item #1018L3SU
Show less
AISIN Drive Belt Tensioner Assembly for 2013 INFINITI FX37
AisinPart # BTN-00290
AISIN Drive Belt Tensioner Assembly for 2013 INFINITI FX37
4.6182 Reviews
$51.99
Low stock: Only 5 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2013 INFINITI FX37
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: INFINITI
Item LocatedUnited States
Part interchange
39129, 119551EA0A, 119551EA0B, 119551EA0C, 119551EA0D, 119551EA9D
ConditionNew
item #10194Z5E
Show less
Page 1 of 5

Serpentine Belt Tensioners

A drive belt tensioner helps maintain tension in the accessory belt as it runs around the engine's pulleys. On an automatic design, an arm and spring or hydraulic mechanism apply pressure to the belt through a pulley.

The available parts include tensioner assemblies and individual tensioner pulleys for selected vehicles. Identify whether the pulley alone or the complete tensioner is needed for the repair.

Choosing A Drive Belt Tensioner

The pulley diameter, width, belt contact surface and mounting can differ even when two parts look similar. Choose the assembly for the vehicle's accessory drive and compare the specified belt type and mounting details.

Frequently Asked Questions (FAQ)

How is an idler pulley different from a tensioner pulley?

An idler guides the belt along its route. A tensioner pulley works with a tensioning mechanism that applies force to the belt; replacing an idler does not replace a worn tensioner arm or spring.

Does a tensioner assembly include a serpentine belt?

A tensioner and the drive belt are separate parts. A tensioner listing does not by itself establish that a belt is included; check the contents if both are needed for the service.

Why can a new serpentine belt still make noise?

A worn pulley bearing, misalignment, inadequate tension or fluid contamination can create noise even with a new belt. Inspect the pulleys and tensioner rather than treating the new belt as the only possible cause.

Is a timing belt tensioner the same as an accessory belt tensioner?

They serve different belt systems. An accessory tensioner controls the drive belt for external engine accessories; a timing system has its own parts and service requirements. Select the part for the system being repaired.

Why should the belt routing be checked during replacement?

The belt must sit correctly on each pulley. An incorrectly seated belt can track off the pulley or become damaged; use the vehicle's routing diagram and service instructions for that drive system.

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