2003 Ford Mustang Pulleys

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Keep Your 2003 Ford Mustang in Top Shape with Quality Pulleys

Whether you’re repairing or upgrading your Pulley, using high-quality parts is key to keeping your 2003 Ford Mustang looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Belt Tensioner Pulleys and Idler Pulleys. 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 Pulleys from Trusted Brands

Looking for a reliable Pulley? We’ve got you covered with options from brands you know and trust like Litens, Dayco, and Dorman. For example, Litens Pulleys start at just $27.99 with an average 4.7 star rating. Dayco and Dorman offer similar pricing and quality, backed by strong customer feedback. With over 265 reviews and a solid 4.5 star average, you can shop with confidence knowing other Ford Mustang owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2003 Ford Mustang Pulley at Advance Auto Parts is around $33.11, with a range that starts at $12.79 and goes up to $51.99. With 16 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Litens Idler/Tensioner Pulley: Direct Fit, Steel, 75mm Diameter, 900162A, Dorman Idler/Tensioner Pulley: Specific Fit, Plastic, 132.5 mm Diameter, 419-644, and Litens Idler/Tensioner Pulley: Direct Fit, Steel, 90mm Diameter, 900007A start at just $21.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Pulley, don’t forget to check out other key components like Belt Tensioners and Serpentine and V Belts. At Advance Auto Parts, we’re here to help you keep your 2003 Ford Mustang in peak condition, inside and out.

Essential 2003 Ford Mustang Pulleys

Litens – Litens Idler/Tensioner Pulley: Direct Fit, Thermoplastic, 76mm Diameter, 900027A (Part No.900027A)

Litens Idler/Tensioner Pulley: Direct Fit, Thermoplastic, 76mm Diameter, 900027A

from

$27.99
This pulley is manufactured by Litens Automotive the inventor of the first automatic belt tensioner in 1979 and today the world’s largest supplier of Original Equipment (O.E.) belt tensioning and routing products. This pulley is produced for serpentine belt routing applications and as the pulley component on automatic tensioner applications. This pulley conforms to original equipment material, tolerances, and specifications. The part is made in Canada using the O.E. specified design and meets all performance and durability requirements. Heavy duty thermoplastic construction for long life and trouble-free performance. 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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Gates – Gates DriveAlign Belt Drive Idler/Tensioner Pulley, 38006 (Part No.38006)

Gates DriveAlign Belt Drive Idler/Tensioner Pulley, 38006

from

$35.49
Gates is a leading manufacturer of Original Equipment (OE) idler pulleys. Gates DriveAlign(R) Idler Pulleys meet or exceed OE specifications. High quality, high strength bearings run cooler and last longer than original bearings. DriveAlign Idler Pulleys are built to last by resisting dirt, salt, and other under-hood contaminants. Designed for use on automobiles and light trucks as locked center tensioning, automatic belt tensioning and idler pulleys.
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Dayco – Idler Pulley, Dayco, 89015 (Part No.89015)

Idler Pulley, Dayco, 89015

from

$32.99
Dayco idler/tensioner pulleys are built with smoother surfaces and tighter dimensional tolerances, which translates to less vibration and longer belt life. In addition to stamped, forged steel and powdered metal pulleys, Dayco also designs ultra-strong plastic pulleys with specially formulated glass-filled polymers that resist wear and tear. Premium lubricated ball bearings and double high temperature seals ensure peak bearing performance, the most critical element of a pulley’s service life.
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Dayco – Idler Pulley, Dayco, 89017 (Part No.89017)

Idler Pulley, Dayco, 89017

from

$41.99
Dayco idler/tensioner pulleys are built with smoother surfaces and tighter dimensional tolerances, which translates to less vibration and longer belt life. In addition to stamped, forged steel and powdered metal pulleys, Dayco also designs ultra-strong plastic pulleys with specially formulated glass-filled polymers that resist wear and tear. Premium lubricated ball bearings and double high temperature seals ensure peak bearing performance, the most critical element of a pulley’s service life.
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Dayco – Idler Pulley, Dayco, 89144 (Part No.89144)

Idler Pulley, Dayco, 89144

from

$29.99
Dayco idler/tensioner pulleys are built with smoother surfaces and tighter dimensional tolerances, which translates to less vibration and longer belt life. In addition to stamped, forged steel and powdered metal pulleys, Dayco also designs ultra-strong plastic pulleys with specially formulated glass-filled polymers that resist wear and tear. Premium lubricated ball bearings and double high temperature seals ensure peak bearing performance, the most critical element of a pulley’s service life.
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Dorman – Dorman Idler/Tensioner Pulley: Specific Fit, Steel, 75 mm Diameter, 419-629 (Part No.419-629)

Dorman Idler/Tensioner Pulley: Specific Fit, Steel, 75 mm Diameter, 419-629

from

$22.49
This replacement accessory drive belt idler pulley has been engineered to match the function and performance of the original pulley on select vehicle years, makes and models, properly restoring critical vehicle operations.
See More

Dorman – Dorman Idler Pulley (Pulley only), 419-602 (Part No.419-602)

Dorman Idler Pulley (Pulley only), 419-602

from

$14.99
This accessory drive belt tensioner pulley is designed to match the fit and function of the original pulley on specified applications. Made of quality materials, it is engineered for reliable performance and durability.
See More

Dayco – Idler Pulley, Dayco, 89009 (Part No.89009)

Idler Pulley, Dayco, 89009

from

$24.99
Dayco idler/tensioner pulleys are built with smoother surfaces and tighter dimensional tolerances, which translates to less vibration and longer belt life. In addition to stamped, forged steel and powdered metal pulleys, Dayco also designs ultra-strong plastic pulleys with specially formulated glass-filled polymers that resist wear and tear. Premium lubricated ball bearings and double high temperature seals ensure peak bearing performance, the most critical element of a pulley’s service life.
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Autotecnica – Autotecnica Tensioner Pulley, Incl. NTN/NSK bearing, GM1413176 (Part No.GM1413176)

Autotecnica Tensioner Pulley, Incl. NTN/NSK bearing, GM1413176

from

$16.49
Autotecnica offers high-quality aftermarket parts for a wide variety of Asian and North American passenger cars and trucks, include braking, cooling, driveline, electrical, engine, fuel, HVAC, steering, and suspension categories. Autotecnica is the smart choice. Whether you’re a DIY enthusiast or professional technician in need of replacement parts that meet OEM specifications, Autotecnica is an excellent alternative to expensive €œGenuine€ components.
See More

Litens – Litens Idler/Tensioner Pulley: Direct Fit, Thermoplastic, 90mm Diameter, 900037A (Part No.900037A)

Litens Idler/Tensioner Pulley: Direct Fit, Thermoplastic, 90mm Diameter, 900037A

from

$25.99
This Litens pulley is manufactured by one of the largest original equipment part suppliers in the world. This pulley is produced for serpentine belt routing applications and as the pulley component on automatic tensioner applications. This pulley conforms to original equipment material, tolerances, and specifications. The part is made in Canada using the O.E. specified design and meets all performance and durability requirements. Heavy duty thermoplastic construction for long life and trouble-free performance. 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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ACDelco – ACDelco Serpentine Idler/Tensioner Pulley: Direct Fit, Steel, 88.9 mm Diameter, 15-20676 (Part No.15-20676)

ACDelco Serpentine Idler/Tensioner Pulley: Direct Fit, Steel, 88.9 mm Diameter, 15-20676

from

$33.99
ACDelco Gold (Professional) Accessory Drive Belt Idler Pulleys are a high quality alternative to Original Equipment (OE) parts. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.
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Dorman – Dorman Idler Pulley (Pulley Only), 419-663 (Part No.419-663)

Dorman Idler Pulley (Pulley Only), 419-663

from

$36.99
This replacement accessory drive belt idler pulley has been engineered to match the function and performance of the original pulley on select vehicle years, makes and models, properly restoring critical vehicle operations.
See More

Gates – Gates DriveAlign Belt Drive Idler/Tensioner Pulley, 38022 (Part No.38022)

Gates DriveAlign Belt Drive Idler/Tensioner Pulley, 38022

from

$49.49
Gates is a leading manufacturer of Original Equipment (OE) idler pulleys. Gates DriveAlign(R) Idler Pulleys meet or exceed OE specifications. High quality, high strength bearings run cooler and last longer than original bearings. DriveAlign Idler Pulleys are built to last by resisting dirt, salt, and other under-hood contaminants. Designed for use on automobiles and light trucks as locked center tensioning, automatic belt tensioning and idler pulleys.
See More

Dorman – Dorman Idler Pulley (Pulley only), 419-603 (Part No.419-603)

Dorman Idler Pulley (Pulley only), 419-603

from

$12.79
This accessory drive belt tensioner pulley is designed to match the fit and function of the original pulley on specified applications. Made of quality materials, it is engineered for reliable performance and durability.
See More

Dayco – Idler Pulley, Dayco, 89003 (Part No.89003)

Idler Pulley, Dayco, 89003

from

$27.49
Dayco idler/tensioner pulleys are built with smoother surfaces and tighter dimensional tolerances, which translates to less vibration and longer belt life. In addition to stamped, forged steel and powdered metal pulleys, Dayco also designs ultra-strong plastic pulleys with specially formulated glass-filled polymers that resist wear and tear. Premium lubricated ball bearings and double high temperature seals ensure peak bearing performance, the most critical element of a pulley’s service life.
See More

Dayco – Idler Pulley, Dayco, 89053 (Part No.89053)

Idler Pulley, Dayco, 89053

from

$32.49
Dayco idler/tensioner pulleys are built with smoother surfaces and tighter dimensional tolerances, which translates to less vibration and longer belt life. In addition to stamped, forged steel and powdered metal pulleys, Dayco also designs ultra-strong plastic pulleys with specially formulated glass-filled polymers that resist wear and tear. Premium lubricated ball bearings and double high temperature seals ensure peak bearing performance, the most critical element of a pulley’s service life.
See More

Gates – Gates DriveAlign Belt Drive Idler/Tensioner Pulley, 38001 (Part No.38001)

Gates DriveAlign Belt Drive Idler/Tensioner Pulley, 38001

from

$35.49
Gates is a leading manufacturer of Original Equipment (OE) idler pulleys. Gates DriveAlign(R) Idler Pulleys meet or exceed OE specifications. High quality, high strength bearings run cooler and last longer than original bearings. DriveAlign Idler Pulleys are built to last by resisting dirt, salt, and other under-hood contaminants. Designed for use on automobiles and light trucks as locked center tensioning, automatic belt tensioning and idler pulleys.
See More

Litens – Litens Idler Pulley: Direct Fit, Thermoplastic, 65mm Diameter, with Hardware, 900662A (Part No.900662A)

Litens Idler Pulley: Direct Fit, Thermoplastic, 65mm Diameter, with Hardware, 900662A

from

$32.99
This Litens supplied pulley is manufactured by the original equipment (O.E.) manufacturer. This part is specifically designed for Ford / Lincoln applications. Heavy duty thermoplastic pulley construction ensures long life and trouble-free performance. This pulley meets or exceeds all original equipment fit, form, and performance characteristics. 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.
See More

Dorman – Dorman Idler/Tensioner Pulley: Specific Fit, Steel, 90 mm Diameter, 419-605 (Part No.419-605)

Dorman Idler/Tensioner Pulley: Specific Fit, Steel, 90 mm Diameter, 419-605

from

$20.79
This replacement accessory drive belt idler pulley has been engineered to match the function and performance of the original pulley on select vehicle years, makes and models, properly restoring critical vehicle operations.
See More

Litens – Litens Idler/Tensioner Pulley: Direct Fit, Steel, 90mm Diameter, 900052A (Part No.900052A)

Litens Idler/Tensioner Pulley: Direct Fit, Steel, 90mm Diameter, 900052A

from

$31.99
This Litens pulley is manufactured by one of the largest original equipment pulley suppliers to ensure proper fit and performance. This pulley is produced for serpentine belt routing applications and conforms to original equipment material, tolerances, and specifications. This replacement part is made in the U.S.A. to the O.E. specified design and meets all performance and durability requirements. Heavy duty steel construction. 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.
See More

Dorman – Dorman Idler/Tensioner Pulley: Specific Fit, Steel, 88.8 mm Diameter, 419-675 (Part No.419-675)

Dorman Idler/Tensioner Pulley: Specific Fit, Steel, 88.8 mm Diameter, 419-675

from

$35.99
This replacement accessory drive belt idler pulley has been engineered to match the function and performance of the original pulley on select vehicle years, makes and models, properly restoring critical vehicle operations.
See More

Gates – Gates DriveAlign Belt Drive Idler/Tensioner Pulley, 36100 (Part No.36100)

Gates DriveAlign Belt Drive Idler/Tensioner Pulley, 36100

from

$27.49
Gates is a leading manufacturer of Original Equipment (OE) idler pulleys. Gates DriveAlign(R) Idler Pulleys meet or exceed OE specifications. High quality, high strength bearings run cooler and last longer than original bearings. DriveAlign Idler Pulleys are built to last by resisting dirt, salt, and other under-hood contaminants. Designed for use on automobiles and light trucks as locked center tensioning, automatic belt tensioning and idler pulleys.
See More

Litens – Litens Idler Pulley: Direct Fit, Thermoplastic, 70mm Diameter, 900986A (Part No.900986A)

Litens Idler Pulley: Direct Fit, Thermoplastic, 70mm Diameter, 900986A

from

$21.99
This pulley is manufactured by Litens Automotive – supplier of this part to the original equipment manufacturer. This pulley is produced for serpentine belt routing applications and replaces Motorcraft P/N YS342. This 70 mm pulley with a 6203 ball bearing conforms to original equipment material, tolerances, and specifications. The part is made in Canada using the O.E. specified design and meets all performance and durability requirements. This pulley is made with Heavy duty thermoplastic construction for long life and trouble-free performance. 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.
See More

Autotecnica – Autotecnica Acc. Belt Idler Pulley, 90mm OD x 16.95mm ID x 30mm With NTN/NSK Bearing, GM1413162 (Part No.GM1413162)

Autotecnica Acc. Belt Idler Pulley, 90mm OD x 16.95mm ID x 30mm With NTN/NSK Bearing, GM1413162

from

$22.99
Autotecnica offers high-quality aftermarket parts for a wide variety of Asian and North American passenger cars and trucks, include braking, cooling, driveline, electrical, engine, fuel, HVAC, steering, and suspension categories. Autotecnica is the smart choice. Whether you’re a DIY enthusiast or professional technician in need of replacement parts that meet OEM specifications, Autotecnica is an excellent alternative to expensive €œGenuine€ components.
See More

Litens – Litens Idler/Tensioner Pulley: Direct Fit, Steel, 76mm Diameter, 900022A (Part No.900022A)

Litens Idler/Tensioner Pulley: Direct Fit, Steel, 76mm Diameter, 900022A

from

$34.49
This Litens pulley is manufactured by one of the largest original equipment pulley suppliers to ensure proper fit and performance. This pulley is produced for serpentine belt routing applications and conforms to original equipment material, tolerances, and specifications. This replacement part is made in the U.S.A. to the O.E. specified design and meets all performance and durability requirements. Heavy duty steel construction. 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.
See More

Litens – Litens Idler/Tensioner Pulley: Direct Fit, Steel, 90mm Diameter, 900007A (Part No.900007A)

Litens Idler/Tensioner Pulley: Direct Fit, Steel, 90mm Diameter, 900007A

from

$51.99
This pulley is manufactured by Litens Automotive the original equipment part supplier and the inventor of the first automatic belt tensioner in 1979 and today the world’s largest supplier of Original Equipment (O.E.) belt tensioning and routing products. This pulley is produced for serpentine belt routing applications and as the pulley component on automatic tensioner applications. This pulley conforms to original equipment material, tolerances, and specifications. The part is made in Canada using the O.E. specified design and meets all performance and durability requirements. Heavy duty steel construction for long life and trouble-free performance. 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.
See More

Dorman – Dorman Idler Pulley (Pulley Only), 419-642 (Part No.419-642)

Dorman Idler Pulley (Pulley Only), 419-642

from

$30.99
This replacement accessory drive belt idler pulley has been engineered to match the function and performance of the original pulley on select vehicle years, makes and models, properly restoring critical vehicle operations.
See More

Litens – Litens Idler Pulley: Direct Fit, Steel, 94mm Diameter, With Hardware, 900059A (Part No.900059A)

Litens Idler Pulley: Direct Fit, Steel, 94mm Diameter, With Hardware, 900059A

from

$28.99
This pulley is manufactured by one of the largest original equipment pulley suppliers to ensure proper fit and performance. This pulley is produced for serpentine belt routing applications and conforms to original equipment material, tolerances, and specifications. This replacement part is made in Canada to the O.E. specified design and meets all performance and durability requirements. Heavy duty thermoplastic pulley preassembled on a steel mounting bracket. 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.
See More

Most Popular Belt Tensioner Pulleys for 2003 Ford Mustangs

Enhance your 2003 Ford Mustang with one of the 7 Belt Tensioner Pulleys we have in stock, starting at just $12.79.

Litens – Litens Idler/Tensioner Pulley: Direct Fit, Thermoplastic, 76mm Diameter, 900027A (Part No.900027A)

Litens Idler/Tensioner Pulley: Direct Fit, Thermoplastic, 76mm Diameter, 900027A

from

$27.99
This pulley is manufactured by Litens Automotive the inventor of the first automatic belt tensioner in 1979 and today the world’s largest supplier of Original Equipment (O.E.) belt tensioning and routing products. This pulley is produced for serpentine belt routing applications and as the pulley component on automatic tensioner applications. This pulley conforms to original equipment material, tolerances, and specifications. The part is made in Canada using the O.E. specified design and meets all performance and durability requirements. Heavy duty thermoplastic construction for long life and trouble-free performance. 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.
See More

Dayco – Idler Pulley, Dayco, 89017 (Part No.89017)

Idler Pulley, Dayco, 89017

from

$41.99
Dayco idler/tensioner pulleys are built with smoother surfaces and tighter dimensional tolerances, which translates to less vibration and longer belt life. In addition to stamped, forged steel and powdered metal pulleys, Dayco also designs ultra-strong plastic pulleys with specially formulated glass-filled polymers that resist wear and tear. Premium lubricated ball bearings and double high temperature seals ensure peak bearing performance, the most critical element of a pulley’s service life.
See More

Dorman – Dorman Idler Pulley (Pulley only), 419-602 (Part No.419-602)

Dorman Idler Pulley (Pulley only), 419-602

from

$14.99
This accessory drive belt tensioner pulley is designed to match the fit and function of the original pulley on specified applications. Made of quality materials, it is engineered for reliable performance and durability.
See More

Gates – Gates DriveAlign Belt Drive Idler/Tensioner Pulley, 38022 (Part No.38022)

Gates DriveAlign Belt Drive Idler/Tensioner Pulley, 38022

from

$49.49
Gates is a leading manufacturer of Original Equipment (OE) idler pulleys. Gates DriveAlign(R) Idler Pulleys meet or exceed OE specifications. High quality, high strength bearings run cooler and last longer than original bearings. DriveAlign Idler Pulleys are built to last by resisting dirt, salt, and other under-hood contaminants. Designed for use on automobiles and light trucks as locked center tensioning, automatic belt tensioning and idler pulleys.
See More

Gates – Gates DriveAlign Belt Drive Idler/Tensioner Pulley, 38006 (Part No.38006)

Gates DriveAlign Belt Drive Idler/Tensioner Pulley, 38006

from

$35.49
Gates is a leading manufacturer of Original Equipment (OE) idler pulleys. Gates DriveAlign(R) Idler Pulleys meet or exceed OE specifications. High quality, high strength bearings run cooler and last longer than original bearings. DriveAlign Idler Pulleys are built to last by resisting dirt, salt, and other under-hood contaminants. Designed for use on automobiles and light trucks as locked center tensioning, automatic belt tensioning and idler pulleys.
See More

Dorman – Dorman Idler/Tensioner Pulley: Specific Fit, Steel, 75 mm Diameter, 419-629 (Part No.419-629)

Dorman Idler/Tensioner Pulley: Specific Fit, Steel, 75 mm Diameter, 419-629

from

$22.49
This replacement accessory drive belt idler pulley has been engineered to match the function and performance of the original pulley on select vehicle years, makes and models, properly restoring critical vehicle operations.
See More

Dorman – Dorman Idler Pulley (Pulley only), 419-603 (Part No.419-603)

Dorman Idler Pulley (Pulley only), 419-603

from

$12.79
This accessory drive belt tensioner pulley is designed to match the fit and function of the original pulley on specified applications. Made of quality materials, it is engineered for reliable performance and durability.
See More

Best-Selling 2003 Ford Mustang Idler Pulleys

Upgrade your Mustang with one of our 9 best-selling Idler Pulleys, earning an average 4.67 stars rating across 60 reviews.

Dayco – Idler Pulley, Dayco, 89053 (Part No.89053)

Idler Pulley, Dayco, 89053

from

$32.49
Dayco idler/tensioner pulleys are built with smoother surfaces and tighter dimensional tolerances, which translates to less vibration and longer belt life. In addition to stamped, forged steel and powdered metal pulleys, Dayco also designs ultra-strong plastic pulleys with specially formulated glass-filled polymers that resist wear and tear. Premium lubricated ball bearings and double high temperature seals ensure peak bearing performance, the most critical element of a pulley’s service life.
See More

Litens – Litens Idler/Tensioner Pulley: Direct Fit, Steel, 90mm Diameter, 900052A (Part No.900052A)

Litens Idler/Tensioner Pulley: Direct Fit, Steel, 90mm Diameter, 900052A

from

$31.99
This Litens pulley is manufactured by one of the largest original equipment pulley suppliers to ensure proper fit and performance. This pulley is produced for serpentine belt routing applications and conforms to original equipment material, tolerances, and specifications. This replacement part is made in the U.S.A. to the O.E. specified design and meets all performance and durability requirements. Heavy duty steel construction. 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.
See More

Litens – Litens Idler/Tensioner Pulley: Direct Fit, Steel, 76mm Diameter, 900022A (Part No.900022A)

Litens Idler/Tensioner Pulley: Direct Fit, Steel, 76mm Diameter, 900022A

from

$34.49
This Litens pulley is manufactured by one of the largest original equipment pulley suppliers to ensure proper fit and performance. This pulley is produced for serpentine belt routing applications and conforms to original equipment material, tolerances, and specifications. This replacement part is made in the U.S.A. to the O.E. specified design and meets all performance and durability requirements. Heavy duty steel construction. 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.
See More

Litens – Litens Idler/Tensioner Pulley: Direct Fit, Steel, 75mm Diameter, 900162A (Part No.900162A)

Litens Idler/Tensioner Pulley: Direct Fit, Steel, 75mm Diameter, 900162A

from

$24.99
This Litens pulley is manufactured by one of the largest original equipment pulley suppliers to ensure proper fit and performance. This pulley is produced for serpentine belt routing applications and conforms to original equipment material, tolerances, and specifications. This replacement part is made in Italy to the O.E. specified design and meets all performance and durability requirements. Heavy duty Steel V-belt pulley. 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.
See More

Dorman – Dorman Idler/Tensioner Pulley: Specific Fit, Plastic, 132.5 mm Diameter, 419-644 (Part No.419-644)

Dorman Idler/Tensioner Pulley: Specific Fit, Plastic, 132.5 mm Diameter, 419-644

from

$21.99
This replacement accessory drive belt idler pulley has been engineered to match the function and performance of the original pulley on select vehicle years, makes and models, properly restoring critical vehicle operations.
See More

Litens – Litens Idler/Tensioner Pulley: Direct Fit, Steel, 90mm Diameter, 900007A (Part No.900007A)

Litens Idler/Tensioner Pulley: Direct Fit, Steel, 90mm Diameter, 900007A

from

$51.99
This pulley is manufactured by Litens Automotive the original equipment part supplier and the inventor of the first automatic belt tensioner in 1979 and today the world’s largest supplier of Original Equipment (O.E.) belt tensioning and routing products. This pulley is produced for serpentine belt routing applications and as the pulley component on automatic tensioner applications. This pulley conforms to original equipment material, tolerances, and specifications. The part is made in Canada using the O.E. specified design and meets all performance and durability requirements. Heavy duty steel construction for long life and trouble-free performance. 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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Gates – Gates DriveAlign Belt Drive Idler/Tensioner Pulley, 36100 (Part No.36100)

Gates DriveAlign Belt Drive Idler/Tensioner Pulley, 36100

from

$27.49
Gates is a leading manufacturer of Original Equipment (OE) idler pulleys. Gates DriveAlign(R) Idler Pulleys meet or exceed OE specifications. High quality, high strength bearings run cooler and last longer than original bearings. DriveAlign Idler Pulleys are built to last by resisting dirt, salt, and other under-hood contaminants. Designed for use on automobiles and light trucks as locked center tensioning, automatic belt tensioning and idler pulleys.
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Gates – Gates DriveAlign Belt Drive Idler/Tensioner Pulley, 38001 (Part No.38001)

Gates DriveAlign Belt Drive Idler/Tensioner Pulley, 38001

from

$35.49
Gates is a leading manufacturer of Original Equipment (OE) idler pulleys. Gates DriveAlign(R) Idler Pulleys meet or exceed OE specifications. High quality, high strength bearings run cooler and last longer than original bearings. DriveAlign Idler Pulleys are built to last by resisting dirt, salt, and other under-hood contaminants. Designed for use on automobiles and light trucks as locked center tensioning, automatic belt tensioning and idler pulleys.
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Gates – Gates DriveAlign Belt Drive Idler/Tensioner Pulley, 38009 (Part No.38009)

Gates DriveAlign Belt Drive Idler/Tensioner Pulley, 38009

from

$27.99
Gates is a leading manufacturer of Original Equipment (OE) idler pulleys. Gates DriveAlign(R) Idler Pulleys meet or exceed OE specifications. High quality, high strength bearings run cooler and last longer than original bearings. DriveAlign Idler Pulleys are built to last by resisting dirt, salt, and other under-hood contaminants. Designed for use on automobiles and light trucks as locked center tensioning, automatic belt tensioning and idler pulleys.
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Top-Rated Pulley Brands For Your 2003 Ford Mustang

When it comes to finding the perfect Pulley for your 2003 Ford Mustang, 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 Pulley brands including Litens, Dayco, and Dorman, and more, all known for their exceptional customer ratings (average brand rating of 4.7 stars) and competitive prices, as low as $14.99. Purchasing a Pulley from us here at Advance Auto Parts is a smart move for both you and your 2003 Ford Mustang, providing peace of mind with parts that meet or exceed OEM standards.

Popular Litens 2003 Ford Mustang Pulleys

If you’re looking for a top-quality Pulley for your 2003 Ford Mustang, Advance Auto Parts has exactly what you need with our selection of Litens Pulleys. We have 3 Litens Pulleys in stock for this fitment, all known for their durability and precision fit. With prices starting at just $27.99 and an average cost of $31.49, you’ll find the perfect Pulley for your needs and budget. Litens Pulleys for the 2003 Ford Mustang come highly rated, with over 104 customer reviews and an impressive average rating of 4.7 stars. Choosing a Litens Pulley from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Litens Idler/Tensioner Pulley: Direct Fit, Steel, 76mm Diameter, 900022A
from $34.49
(16)
Litens Idler/Tensioner Pulley: Direct Fit, Steel, 76mm Diameter, 900022A
“89 full size blazer replacement for worn out plastic one.”
Litens Idler/Tensioner Pulley: Direct Fit, Thermoplastic, 76mm Diameter, 900027A
from $27.99
(49)
Litens Idler/Tensioner Pulley: Direct Fit, Thermoplastic, 76mm Diameter, 900027A
“New pulley works great. It’s smooth and no more squeaking.”

Top-Quality Dayco 2003 Ford Mustang Pulleys

For those in search of a high-quality Pulley for their 2003 Ford Mustang, Advance Auto Parts offers a great selection of Dayco Pulleys. With 2 Dayco Pulleys in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Pulleys start at just $32.49, with an average price of $37.24, giving you a range of options to suit your budget. Backed by over 25 customer ratings and an average rating of 4.5 stars, Dayco Pulleys provide both reliability and excellent performance. Choosing a Dayco Pulley from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Idler Pulley, Dayco, 89017
from $41.99
(20)
Idler Pulley, Dayco, 89017
“WORKS GREAT.. REPLACED PULLEY ON A 1993 FORD ECONOLINE 150 VAN WITH ALMOST 180,000 MILES 5.8L ENGINE.. VERY SIMPLE TO INSTALL.. ONLY NEEDED TO REMOVE ”
Idler Pulley, Dayco, 89053
from $32.49
(5)
Idler Pulley, Dayco, 89053
“High quality good value for the money.”

FAQs for 2003 Ford Mustang Pulleys

What are the best-selling Pulleys for 2003 Ford Mustangs?

Out of 16 Pulleys that fit 2003 Ford Mustangs, the following parts are the top sellers:

What’s the price range for 2003 Ford Mustang Pulleys?

The prices of Pulleys for the 2003 Ford Mustang range from $12.79 up to $51.99 for the most premium parts.

What is the average price of a Pulley for a 2003 Ford Mustang?

The average price for Pulleys for the 2003 Ford Mustang is $33.11. Keep in mind the variety of part types within our Pulley category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Pulleys for other Ford Mustang model years?

Yes, we carry Pulleys for 49 model years of Ford Mustangs between 1969 and 2024. The following model years are the most popular for Pulley purchases: 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015, and 2014.

What are the cheapest Pulleys for my 2003 Ford Mustang?

Does Advance Auto Parts sell Pulleys for any other 2003 Ford models?

Yes. We stock Pulleys for 21 other popular 2003 Ford models. Some of the most popular are 2003 F-150 Pulleys, 2003 E-250 Econoline Pulleys, 2003 Thunderbird Pulleys, 2003 Explorer Pulleys, and 2003 F-250 Super Duty Pulleys.

What are the top-rated Pulleys that fit the 2003 Ford Mustang?

Based on 265 reviews by customers, our 2003 Ford Mustang Pulleys have an average customer rating of 4.5 stars. These are the highest-rated categories of Pulleys for the 2003 Ford Mustang and their top-rated products:

What types of Pulleys do you sell for my 2003 Ford Mustang?

As of 8/2/26, these are some of the most in-demand types of Pulleys for a 2003 Ford Mustang:

Can I get help with 2003 Ford Mustang Pulley orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Ford Pulleys and more.

What is your return policy for Ford Mustang Pulleys?

Advance Auto Parts keeps returns simple. For new Ford Mustang Pulleys and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.