2005 Mercury Mariner Belt Tensioners
Keep Your 2005 Mercury Mariner in Top Shape with Quality Belt Tensioners
Whether you’re repairing or upgrading your Belt Tensioner, using high-quality parts is key to keeping your 2005 Mercury Mariner looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Belt Tensioner Assemblies. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.
Top-Rated Belt Tensioners from Trusted Brands
Looking for a reliable Belt Tensioner? We’ve got you covered with options from brands you know and trust like Dayco and Litens. For example, Dayco Belt Tensioners start at just $65.99 with an average 4.5 star rating. Litens offer similar pricing and quality, backed by strong customer feedback. With over 75 reviews and a solid 5 star average, you can shop with confidence knowing other Mercury Mariner owners approve.
Competitive Prices and Extensive Inventory
The average price for a 2005 Mercury Mariner Belt Tensioner at Advance Auto Parts is around $99.32, with a range that starts at $65.99 and goes up to $132.99. With 6 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Accessory Drive Belt Tensioner – Original Equipment Quality, Accessory Drive Belt Tensioner – Original Equipment Quality, and ACC DRV BELT TNS ASY start at just $98.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Belt Tensioner, don’t forget to check out other key components like Pulleys and Serpentine and V Belts. At Advance Auto Parts, we’re here to help you keep your 2005 Mercury Mariner in peak condition, inside and out.
Find Your Specific 2005 Mercury Mariner Belt Tensioners
Looking for the perfect Belt Tensioner for your 2005 Mercury Mariner? You’re in the right place. Below, you’ll find links to various types of Belt Tensioners that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Belt Tensioners, ensuring durability and a precise fit for your Mercury Mariner. Whether you’re driving a 2005 model or another popular model year like
2006,
2007,
2008,
2009,
2010, and
2011, we’ve got you covered. Purchasing Belt Tensioners from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Belt Tensioners that fit your vehicle.
Essential 2005 Mercury Mariner Belt Tensioners
Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999823A)
from
$63.99
Litens was the Original Equipment (O.E.) suppliers of this Ford/Mercury tensioner and offers this “O.E. Exact”* part for the aftermarket. This “O.E. Exact”* part for the aftermarket meets all original equipment form, fit, and function specifications. *(O.E. Exact – Original Equipment manufacturers prohibits the use of their part number or logo on parts sold to other customers. Therefore, the Litens aftermarket part may have minor cosmetic differences but still be exact in performance and design). This popular tensioner is designed with a heavy duty polymer pulley as well as a molded a molded lift feature to assist in pulley removal and installation. Choosing The Correct Replacement Part: Both the original equipment and Litens aftermarket tensioner use round spring technology and are marked “Made in Canada”. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
Product Features:
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Product Features:
- Manufactured by the original equipment part supplier to ensure proper form, fit, and performance.
- Internal “round spring” technology to provide constant belt tension and alignment throughout its service life.
- Installation instructions included.
- Heavy Duty Glass Reinforced Polymer Pulley for optimized dimensional control and running surface durability
- Professional Mechanics will change this tensioner in approx. 20 minutes to 1 hour.
- Accessory drive belts and tensioners are manufactured with similar design life targets. Since belt removal is required to change the tensioner, replacing both will extend the system service life and lower labor costs versus individual replacement.
Dorman – Automatic Belt Tensioner (Part No.419-021)
from
$74.99
This accessory drive belt tensioner assembly is designed to match the fit of an original equipment assembly on specified vehicles. It is engineered to help ensure proper belt tension when an original belt is slipping, broken, or worn from fatigue.
Product Features:
See More
Product Features:
- Direct replacement – this accessory drive belt tensioner assembly is designed to match the fit of an original equipment assembly on specified vehicles
- Ideal solution – engineered to help ensure proper belt tension when an original belt is slipping, broken, or worn from fatigue
- Durable construction – designed and manufactured to strict specifications for reliable performance
- Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
Motorcraft – DRIVE BELT TENSIONER (Part No.BT-105)
from
$74.99
DRIVE BELT TENSIONER
Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999594A)
from
$167.99
This Heavy duty belt tensioner is manufactured by one of the largest original equipment tensioner suppliers to ensure proper fit and performance. This tensioner is produced for serpentine belt routing applications and is made of high strength steel for improved life and durability. This part corresponds to the 2007-2008 Ford Escape/Mercury Mariner/Mazda Tribute with 2.3L. The tensioner maintains the O.E. round spring technology as well as the internal damping design specified for this application. This higher damping consequently reduces arm motion and wear as well as an optimized install feature for ease on tensioner replacement. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
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Dayco – Automatic Belt Tensioner (Part No.89372)
from
$65.99
The Dayco automatic belt tensioner features Dayco’s original, patented flat spring design to provide less operating range variation. It reduces the risk of premature accessory bearing failure due to high tension and lessens the risk of belt noise and slippage or poor performance caused by low tension. A PTFE string wound within the spring resists abrasion and dampens noise. Dayco’s tensioner is also designed with a heavy-duty cast aluminum spring case and arm, which helps resist cracking and fatigue and offers additional strength, lessening the risk of distortion. Additional premium thermoplastic rubber spring slot plugs and rubber O-ring seals help keep contaminants out and zinc coated mounting bolts resist rust.
Product Features:
See More
Product Features:
- Endures the toughest conditions while promoting quieter performance and longer life
- Features a steel pivot tube on specific designs for enhanced stability
- Built to outperform and outlast competitive OE parts
- Includes installation instructions
Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999429A)
from
$83.99
This Litens supplied tensioner is manufactured to original equipment specifications. This part is specifically designed for Ford, Mazda, and Mercury applications. Heavy duty thermoplastic pulley construction ensures long life and trouble-free performance. This tensioner meets or exceeds all original equipment fit, form, and performance characteristics. For maximum performance and durability, always use genuine Litens components. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
Product Features:
See More
Product Features:
- Manufactured by Litens, the largest original equipment tensioner and pulley supplier in the world, to ensure proper form, fit, and performance.
- Internal “round spring” technology to provide constant belt tension and alignment throughout its service life.
- Heavy duty thermoplastic pulley construction
- OE-spec sealed ball bearings with synthetic grease and double lip seals for long life
- Installation instructions included
INA US – ACC DRV BELT TNS ASY (Part No.FT40326)
from
$132.99
ACC DRV BELT TNS ASY
INA US – ACC DRV BELT TNS ASY (Part No.FT40225)
from
$98.99
ACC DRV BELT TNS ASY
Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999570A)
from
$192.99
This Litens belt tensioner is supplied by the original equipment (O.E.) tensioner supplier and meets all form, fit, and performance characteristics of the original equipment part (with the exception of not having the car manufacturer’s logo or part number applied to the part). As with the original equipment part, this replacement tensioner is manufactured in Canada for the 2010-2012 Ford Escape, Fusion/Lincoln MKZ/Mercury Milan, Mariner with 2.5L Hybrid. The tensioner maintains the O.E. round spring technology as well as the internal damping design specified for this application. As with the original tensioner, the part comes equipped with a heavy duty 6 grooved plastic pulley with a front dustshield for optimum performance and durability. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
Product Features:
See More
Product Features:
- Manufactured by one of the largest original equipment part suppliers to ensure proper form, fit, and performance
- Internal “round spring” technology to provide constant belt tension and alignment throughout its service life. The internal damping design provides quiet, smooth, system performance.
- 6K grooved plastic pulley with a front dustshield for optimum performance and durability
- Installation instructions included
Gates – DriveAlign« Automatic Belt Drive Tensioner (Part No.38452)
from
$72.99
Gates is a global leader in Original Equipment (OE) System Design. With a full line of tensioners globally, you can count on Gates to supply premium quality DriveAlign Automatic Belt Tensioners you can depend on.
Product Features:
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Product Features:
- Comprehensive line includes parts to fit cars, vans, SUVs and light trucks, domestic and import (European and Asian)
- Manufactured using the same or improved technology and quality materials as the Original Equipment Manufacturer (OEM) part, assuring a factory match
- Patented labyrinth seal protects internal components to meet or exceed OE life expectancy requirements
- Patented vibration-damping system absorbs extreme vibration to improve tensioner, as well as belt and accessory, life
- Torsional round spring design provides reliability as well as consistent tension
- Comprehensive line includes parts to fit cars, vans, SUV’s and light/heavy-duty trucks.
Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999707A)
from
$119.99
Litens was the Original Equipment (O.E.) suppliers of this Ford/Mercury/Mazda tensioner and offers this “O.E. Exact”* part for the aftermarket. This “O.E. Exact”* part for the aftermarket meets all original equipment form, fit, and function specifications. *(O.E. Exact – Original Equipment manufacturers prohibits the use of their part number or logo on parts sold to other customers. Therefore, the Litens aftermarket part may have minor cosmetic differences but still be exact in performance and design). This popular tensioner is designed with a heavy duty steel pulley as well as 2 molded location pins to ensure accurate and secure mounting. The tensioner arm also has a molded lift feature to assist in pulley removal and installation. Choosing The Correct Replacement Part: Both the original equipment and Litens aftermarket tensioner use round spring technology and are marked “Made in Canada”. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
Product Features:
See More
Product Features:
- Manufactured by the original equipment part supplier to ensure proper form, fit, and performance.
- Internal “round spring” technology to provide constant belt tension and alignment throughout its service life.
- Installation instructions included.
- Heavy Duty Steel Pulley with close tolerance ball bearing pocket and Electro-deposited coating for superior corrosion resistance
- Professional Mechanics will change this tensioner in approx. 20 minutes.
- Accessory drive belts and tensioners are manufactured with similar design life targets. Since belt removal is required to change the tensioner, replacing both will extend the system service life and lower labor costs versus individual replacement.
Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999228A)
from
$102.99
This Litens belt tensioner is supplied by the original equipment tensioner supplier and meets all form, fit, and performance characteristics of the original equipment part (with the exception of not having the car manufacturer’s logo or part number applied to the part). The original design experienced performance and noise issues. Therefore, the aftermarket part was redesigned (by the original equipment supplier) to correct the design flaws of the original part. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
Product Features:
See More
Product Features:
- Manufactured by the original equipment part supplier to ensure proper form, fit, and performance.
- Internal “round spring” technology to provide constant belt tension and alignment throughout its service life.
- Installation instructions included.
- High Performance Polymer Pulley
- Professional Mechanics will change this tensioner in about 20 minutes.
- Accessory drive belts and tensioners are manufactured with similar design life targets. Since belt removal is required to change the tensioner, replacing both will extend the system service life and lower labor costs versus individual replacement.
Popular 2005 Mercury Mariner Belt Tensioners Categories
Most Popular Belt Tensioner Assemblies for 2005 Mercury Mariners
Enhance your 2005 Mercury Mariner with one of the 6 Belt Tensioner Assemblies we have in stock, starting at just $65.99.
Dayco – Automatic Belt Tensioner (Part No.89372)
from
$65.99
The Dayco automatic belt tensioner features Dayco’s original, patented flat spring design to provide less operating range variation. It reduces the risk of premature accessory bearing failure due to high tension and lessens the risk of belt noise and slippage or poor performance caused by low tension. A PTFE string wound within the spring resists abrasion and dampens noise. Dayco’s tensioner is also designed with a heavy-duty cast aluminum spring case and arm, which helps resist cracking and fatigue and offers additional strength, lessening the risk of distortion. Additional premium thermoplastic rubber spring slot plugs and rubber O-ring seals help keep contaminants out and zinc coated mounting bolts resist rust.
Product Features:
See More
Product Features:
- Endures the toughest conditions while promoting quieter performance and longer life
- Features a steel pivot tube on specific designs for enhanced stability
- Built to outperform and outlast competitive OE parts
- Includes installation instructions
Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999707A)
from
$119.99
Litens was the Original Equipment (O.E.) suppliers of this Ford/Mercury/Mazda tensioner and offers this “O.E. Exact”* part for the aftermarket. This “O.E. Exact”* part for the aftermarket meets all original equipment form, fit, and function specifications. *(O.E. Exact – Original Equipment manufacturers prohibits the use of their part number or logo on parts sold to other customers. Therefore, the Litens aftermarket part may have minor cosmetic differences but still be exact in performance and design). This popular tensioner is designed with a heavy duty steel pulley as well as 2 molded location pins to ensure accurate and secure mounting. The tensioner arm also has a molded lift feature to assist in pulley removal and installation. Choosing The Correct Replacement Part: Both the original equipment and Litens aftermarket tensioner use round spring technology and are marked “Made in Canada”. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
Product Features:
See More
Product Features:
- Manufactured by the original equipment part supplier to ensure proper form, fit, and performance.
- Internal “round spring” technology to provide constant belt tension and alignment throughout its service life.
- Installation instructions included.
- Heavy Duty Steel Pulley with close tolerance ball bearing pocket and Electro-deposited coating for superior corrosion resistance
- Professional Mechanics will change this tensioner in approx. 20 minutes.
- Accessory drive belts and tensioners are manufactured with similar design life targets. Since belt removal is required to change the tensioner, replacing both will extend the system service life and lower labor costs versus individual replacement.
Litens – Accessory Drive Belt Tensioner – Original Equipment Quality (Part No.999228A)
from
$102.99
This Litens belt tensioner is supplied by the original equipment tensioner supplier and meets all form, fit, and performance characteristics of the original equipment part (with the exception of not having the car manufacturer’s logo or part number applied to the part). The original design experienced performance and noise issues. Therefore, the aftermarket part was redesigned (by the original equipment supplier) to correct the design flaws of the original part. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
Product Features:
See More
Product Features:
- Manufactured by the original equipment part supplier to ensure proper form, fit, and performance.
- Internal “round spring” technology to provide constant belt tension and alignment throughout its service life.
- Installation instructions included.
- High Performance Polymer Pulley
- Professional Mechanics will change this tensioner in about 20 minutes.
- Accessory drive belts and tensioners are manufactured with similar design life targets. Since belt removal is required to change the tensioner, replacing both will extend the system service life and lower labor costs versus individual replacement.
INA US – ACC DRV BELT TNS ASY (Part No.FT40326)
from
$132.99
ACC DRV BELT TNS ASY
INA US – ACC DRV BELT TNS ASY (Part No.FT40225)
from
$98.99
ACC DRV BELT TNS ASY
Dorman – Automatic Belt Tensioner (Part No.419-021)
from
$74.99
This accessory drive belt tensioner assembly is designed to match the fit of an original equipment assembly on specified vehicles. It is engineered to help ensure proper belt tension when an original belt is slipping, broken, or worn from fatigue.
Product Features:
See More
Product Features:
- Direct replacement – this accessory drive belt tensioner assembly is designed to match the fit of an original equipment assembly on specified vehicles
- Ideal solution – engineered to help ensure proper belt tension when an original belt is slipping, broken, or worn from fatigue
- Durable construction – designed and manufactured to strict specifications for reliable performance
- Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
Top-Rated Belt Tensioner Brands For Your 2005 Mercury Mariner
When it comes to finding the perfect Belt Tensioner for your 2005 Mercury Mariner, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 4 trusted brands. We carry the most popular Belt Tensioner brands including Litens and Dayco, and more, all known for their exceptional customer ratings (average brand rating of 4.7 stars) and competitive prices, as low as $65.99. Purchasing a Belt Tensioner from us here at Advance Auto Parts is a smart move for both you and your 2005 Mercury Mariner, providing peace of mind with parts that meet or exceed OEM standards.
Popular Litens 2005 Mercury Mariner Belt Tensioners
If you’re looking for a top-quality Belt Tensioner for your 2005 Mercury Mariner, Advance Auto Parts has exactly what you need with our selection of Litens Belt Tensioners. We have 1 Litens Belt Tensioners in stock for this fitment, all known for their durability and precision fit. With prices starting at just $119.99, you’ll find the perfect Belt Tensioner for your needs and budget. Litens Belt Tensioners for the 2005 Mercury Mariner come highly rated, with over 6 customer reviews and an impressive average rating of 4.7 stars. Choosing a Litens Belt Tensioner from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Top-Quality Dayco 2005 Mercury Mariner Belt Tensioners
For those in search of a high-quality Belt Tensioner for their 2005 Mercury Mariner, Advance Auto Parts offers a great selection of Dayco Belt Tensioners. With 1 Dayco Belt Tensioners in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Belt Tensioners start at just $65.99, giving you a range of options to suit your budget. Backed by over 69 customer ratings and an average rating of 4.5 stars, Dayco Belt Tensioners provide both reliability and excellent performance. Choosing a Dayco Belt Tensioner from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
FAQs for 2005 Mercury Mariner Belt Tensioners
What are the best-selling Belt Tensioners for 2005 Mercury Mariners?
Out of 6 Belt Tensioners that fit 2005 Mercury Mariners, the following parts are the top sellers:
- Accessory Drive Belt Tensioner – Original Equipment Quality (10458026) – $119.99
- Accessory Drive Belt Tensioner – Original Equipment Quality (10150824) – $102.99
- ACC DRV BELT TNS ASY (50302018) – $98.99
What’s the price range for 2005 Mercury Mariner Belt Tensioners?
The prices of Belt Tensioners for the 2005 Mercury Mariner range from $65.99 up to $132.99 for the most premium parts.
What is the average price of a Belt Tensioner for a 2005 Mercury Mariner?
The average price for Belt Tensioners for the 2005 Mercury Mariner is $99.32. Keep in mind the variety of part types within our Belt Tensioner category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Belt Tensioners for other Mercury Mariner model years?
What are the cheapest Belt Tensioners for my 2005 Mercury Mariner?
The cheapest 2005 Mercury Mariner Belt Tensioners we carry are:
- Automatic Belt Tensioner (99995975) – $65.99
- Automatic Belt Tensioner (12571119) – $74.99
- ACC DRV BELT TNS ASY (50302018) – $98.99
- Accessory Drive Belt Tensioner – Original Equipment Quality (10150824) – $102.99
- Accessory Drive Belt Tensioner – Original Equipment Quality (10458026) – $119.99
Does Advance Auto Parts sell Belt Tensioners for any other 2005 Mercury models?
Yes. We stock Belt Tensioners for 3 other popular 2005 Mercury models. Some of the most popular are 2005 Grand Marquis Belt Tensioners, 2005 Monterey Belt Tensioners, 2005 Mountaineer Belt Tensioners, and 2005 Montego Belt Tensioners.
What are the top-rated Belt Tensioners that fit the 2005 Mercury Mariner?
The one 2005 Mercury Mariner Belt Tensioner we have in stock is the Automatic Belt Tensioner. It is rated 4.5 stars and costs $65.99.
What types of Belt Tensioners do you sell for my 2005 Mercury Mariner?
We currently have just 1 Belt Tensioner in stock for a 2005 Mercury Mariner, and as of 11/2/25, it is a Belt Tensioner Assembly.
Can I get help with 2005 Mercury Mariner Belt Tensioner orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Mercury Belt Tensioners and more.
What is your return policy for Mercury Mariner Belt Tensioners?
Advance Auto Parts keeps returns simple. For new Mercury Mariner Belt Tensioners and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.