Lincoln Navigator Idler Pulleys

Your Lincoln Navigator will be happy to know that the search for the right Idler Pulleys you’ve been looking for is over! Advance Auto Parts has 15 different Idler Pulleys for your vehicle, ready for shipping or in-store pick up. The best part is, our Lincoln Navigator Idler Pulleys start from as little as $12.49.

When it comes to your Lincoln Navigator, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Idler Pulleys brands so you can shop with complete confidence. Some of our top Idler Pulleys brands are Litens and Dayco. We’re sure you will get the right product to keep that Navigator running for a long time.

We even have reviews of our OEM and aftermarket Idler Pulleys products to help you buy with confidence. Hear from other customers via the 2,520 reviews on parts for your Lincoln Navigator.

Shop online, find the best price on the right product, and have it shipped right to your door. If you prefer to shop in person for the right Idler Pulleys for your Navigator, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Compare 25 Lincoln Idler Pulleys

Litens – O.E Quality Idler/Tensioner Pulley Direct Fit, Thermoplastic, 70 mm Diameter (Part No.900031A)

O.E Quality Idler/Tensioner Pulley Direct Fit, Thermoplastic, 70 mm Diameter

from

$31.49
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 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._

Product Features:
  • Manufactured by Litens, the largest original equipment tensioner and pulley supplier in the world, to ensure proper form, fit, and performance
  • Heavy Duty Glass Reinforced Polymer Pulley for optimized dimensional control and running surface durability
  • Installation instructions included.
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Litens – O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 87 mm Diameter (Part No.900598A)

O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 87 mm Diameter

from

$40.49
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._

Product Features:
  • Manufactured by Litens, the largest original equipment tensioner and pulley supplier in the world, to ensure proper form, fit, and performance
  • Heavy Duty Steel Pulley with close tolerance ball bearing pocket and Electro-deposited coating for superior corrosion resistance
  • Installation instructions included.
See More

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

O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 90 mm Diameter

from

$33.49
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._

Product Features:
  • Manufactured by one of the largest original equipment part suppliers in the world to ensure proper form, fit, and performance
  • Heavy Duty Steel Pulley with close tolerance ball bearing pocket and Electro-deposited coating for superior corrosion resistance
  • Installation instructions included.
See More

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

O.E Quality Idler/Tensioner Pulley Direct Fit, Thermoplastic, 76 mm Diameter

from

$28.99
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._

Product Features:
  • Manufactured by Litens, the largest original equipment tensioner and pulley supplier in the world, to ensure proper form, fit, and performance
  • Heavy Duty Glass Reinforced Polymer Pulley for optimized dimensional control and running surface durability
  • OE-spec sealed ball bearings with synthetic grease and double lip seals for long life
See More

Dayco – Serpentine Idler/Tensioner Pulley; Polymer, 70mm Dia., 28.3mm Width, 6 Grooves (Part No.89015)

Serpentine Idler/Tensioner Pulley; Polymer, 70mm Dia., 28.3mm Width, 6 Grooves

from

$31.99
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.

Product Features:
  • Designed for the majority of automotive vehicle applications on the road today
  • High-quality materials help resist wear and improve belt life
  • Features premium lubricated bearings to extend service life
  • Meets or exceeds OE quality
See More

Dayco – Serpentine Idler/Tensioner Pulley; Direct Fit, 76 mm Diameter, 37 mm Smooth (Part No.89016)

Serpentine Idler/Tensioner Pulley; Direct Fit, 76 mm Diameter, 37 mm Smooth

from

$25.99
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 pl

Product Features:
  • Designed for the majority of automotive vehicle applications on the road today
  • High-quality materials help resist wear and improve belt life
  • Features premium lubricated bearings to extend service life
  • Meets or exceeds OE quality
See More

Dayco – Serpentine Idler/Tensioner Pulley; Polymer, 90mm Dia., 26.2mm Width, 6 Grooves (Part No.89130)

Serpentine Idler/Tensioner Pulley; Polymer, 90mm Dia., 26.2mm Width, 6 Grooves

from

$37.99
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.

Product Features:
  • Designed for the majority of automotive vehicle applications on the road today
  • High-quality materials help resist wear and improve belt life
  • Features premium lubricated bearings to extend service life
  • Meets or exceeds OE quality
See More

Dayco – Serpentine Idler/Tensioner Pulley; Steel, 76mm Dia., 30.1mm Width, 6 Grooves (Part No.89051)

Serpentine Idler/Tensioner Pulley; Steel, 76mm Dia., 30.1mm Width, 6 Grooves

from

$24.79
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 pl

Product Features:
  • Designed for the majority of automotive vehicle applications on the road today
  • High-quality materials help resist wear and improve belt life
  • Features premium lubricated bearings to extend service life
  • Meets or exceeds OE quality
See More

Dayco – Serpentine Idler/Tensioner Pulley; Polymer, 90mm Dia., 28.2mm Width, 6 Grooves (Part No.89012)

Serpentine Idler/Tensioner Pulley; Polymer, 90mm Dia., 28.2mm Width, 6 Grooves

from

$23.99
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.

Product Features:
  • Designed for the majority of automotive vehicle applications on the road today
  • High-quality materials help resist wear and improve belt life
  • Features premium lubricated bearings to extend service life
  • Meets or exceeds OE quality
See More

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

Idler Pulley (Pulley only)

from

$13.49
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.

Product Features:
  • Direct replacement – this accessory drive belt tensioner pulley is designed to match the fit and function of the original pulley on specified applications
  • Restores functionality – reliable replacement for an original pulley that has failed due to vibration or corrosion
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Litens – O.E Quality Idler/Tensioner Pulley Direct Fit, Thermoplastic, 70 mm Diameter (Part No.900125A)

O.E Quality Idler/Tensioner Pulley Direct Fit, Thermoplastic, 70 mm Diameter

from

$29.99
Litens Automotive is the original equipment (O.E.) supplier for this application. This genuine Litens replacement pulley is also manufactured by Litens, the world’s largest supplier of original equipment power transmission products. 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. 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:
  • Heavy duty thermoplastic pulley construction.
  • OE-spec sealed ball bearings with synthetic grease and double lip seals for long life
  • Installation instructions included
See More

Dorman – Idler Pulley (Pulley only) (Part No.419-610)

Idler Pulley (Pulley only)

from

$12.49
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.

Product Features:
  • Direct replacement – this accessory drive belt tensioner pulley is designed to match the fit and function of the original pulley on specified applications
  • Restores functionality – reliable replacement for an original pulley that has failed due to vibration or corrosion
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Dayco – Dayco, Acc. Belt Idler Pulley (Part No.G6020926341DAY)

Dayco, Acc. Belt Idler Pulley

from

$19.49
The Dayco Accessory Belt Idler Pulley is a direct fit OEM replacement that contains the same high quality craftsmanship as the original equipment it replaces.

Product Features:
  • OE-Equivalent and a direct fit application.
  • Precision bearing
  • OE High quality pulley assembly
  • Durable long life performance.
See More

Litens – O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 65 mm Diameter (Part No.900662A)

O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 65 mm Diameter

from

$29.99
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._

Product Features:
  • Heavy duty thermoplastic pulley construction.
  • OE-spec sealed ball bearings with synthetic grease and double lip seals for long life
  • All hardware included for easy installation (Bolt, Dust Shield, Retainer, Spacer), saving you time!
  • Installation instructions included
See More

Litens – O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 76 mm Diameter (Part No.900104A)

O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 76 mm Diameter

from

$25.99
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 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._

Product Features:
  • Manufactured by Litens, the largest original equipment tensioner and pulley supplier in the world, to ensure proper form, fit, and performance
  • Heavy Duty Steel Pulley with close tolerance ball bearing pocket and Electro-deposited coating for superior corrosion resistance
  • Installation instructions included.
See More

Litens – O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 90 mm Diameter (Part No.900517A)

O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 90 mm Diameter

from

$53.99
Litens Automotive is the original equipment (O.E.) supplier of this pulley assembly for Ford Truck and Van applications. The Litens replacement part 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). This part is manufactured in Canada by Litens to the same exacting specifications as the O.E. part. This is a complete pulley ASSEMBLY including the pulley and mounting bolt. 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:
  • Manufactured by the original equipment part supplier to ensure proper form, fit and performance
  • Heavy Duty Steel Pulley. Note: Assemblies save time and ensure “like new” performance
  • Precision steel stamping with close tolerance ball bearing pocket.
  • Electro-deposited coating (e-coat) for superior corrosion resistance.
  • Running surface designed and engineered for proper belt tracking.
  • 86mm O.D. (running surface); 31mm width; 17mm ID; 6-Rib belt design, grooved running surface, steel construction.
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Dorman – Idler/Tensioner Pulley: Specific Fit, Steel, 76 mm Diameter (Part No.419-628)

Idler/Tensioner Pulley: Specific Fit, Steel, 76 mm Diameter

from

$36.49
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.

Product Features:
  • Direct replacement – this accessory drive belt idler pulley matches the fit and function of the original equipment pulley on specified vehicles
  • Restores performance – fixes a failed, squealing or groaning noise from a worn idler pulley
  • Application specific – reverse engineered from the original design on certain vehicle years, makes and models
  • Trustworthy quality – backed by team of engineers and quality specialists in the United States
See More

Litens – O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 94 mm Diameter (Part No.900060A)

O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 94 mm Diameter

from

$36.49
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 steel 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

Litens – O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 76 mm Diameter (Part No.900873A)

O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 76 mm Diameter

from

$41.99
This pulley is manufactured by Litens Automotive – 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 Germany using the O.E. specified split-steel pulley design and meets all performance and durability requirements. Applications include Ford, Jaguar, and Land Rover vehicles. 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

Gates – DriveAlign½ Belt Drive Idler/Tensioner Pulley (Part No.38028)

DriveAlign½ Belt Drive Idler/Tensioner Pulley

from

$31.99
Product Features:
  • Steel and thermoplastic construction designed to tight manufacturing tolerances for high durability and quality performance
  • Built to last with a superior resistance to dirt, salt, chemicals and other under-hood contaminants
  • OE-quality fit for virtually every domestic or import vehicle on the road today
  • Bearings meet or exceed OE standards with application-specific speed and load requirements, to withstand high under hood temperatures
  • Premium bearings eliminate bearing noise
  • Mounting hardware included for some popular applications
  • Reliable operation under severe conditions
See More

Dayco – Dayco, Acc. Belt Idler Pulley (Part No.G60201221071DAY)

Dayco, Acc. Belt Idler Pulley

from

$20.11
The Dayco Accessory Belt Idler Pulley is a direct fit OEM replacement that contains the same high quality craftsmanship as the original equipment it replaces.

Product Features:
  • OE-Equivalent and a direct fit application.
  • Precision bearing
  • OE High quality pulley assembly
  • Durable long life performance.
See More

Gates – DriveAlign½ Belt Drive Idler/Tensioner Pulley (Part No.36100)

DriveAlign½ Belt Drive Idler/Tensioner Pulley

from

$25.49
Product Features:
  • Steel and thermoplastic construction designed to tight manufacturing tolerances for high durability and quality performance
  • Built to last with a superior resistance to dirt, salt, chemicals and other under-hood contaminants
  • OE-quality fit for virtually every domestic or import vehicle on the road today
  • Bearings meet or exceed OE standards with application-specific speed and load requirements, to withstand high under hood temperatures
  • Premium bearings eliminate bearing noise
  • Mounting hardware included for some popular applications
  • Reliable operation under severe conditions
See More

INA – Acc. Belt Tension Pu (Part No.G6011117822INA)

Acc. Belt Tension Pu

from

$84.57
Acc. Belt Tension Pu

Gates – DriveAlign½ Belt Drive Idler/Tensioner Pulley (Part No.36157)

DriveAlign½ Belt Drive Idler/Tensioner Pulley

from

$45.99
Product Features:
  • Steel and thermoplastic construction designed to tight manufacturing tolerances for high durability and quality performance
  • Built to last with a superior resistance to dirt, salt, chemicals and other under-hood contaminants
  • OE-quality fit for virtually every domestic or import vehicle on the road today
  • Bearings meet or exceed OE standards with application-specific speed and load requirements, to withstand high under hood temperatures
  • Premium bearings eliminate bearing noise
  • Mounting hardware included for some popular applications
  • Reliable operation under severe conditions
See More

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

Idler/Tensioner Pulley: Specific Fit, Steel, 88.8 mm Diameter

from

$39.99
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.

Product Features:
  • Direct replacement – this accessory drive belt idler pulley matches the fit and function of the original equipment pulley on specified vehicles
  • Restores performance – fixes a failed, squealing or groaning noise from a worn idler pulley
  • Application specific – reverse engineered from the original design on certain vehicle years, makes and models
  • Trustworthy quality – backed by team of engineers and quality specialists in the United States
See More

FAQs for Lincoln Navigator Idler Pulleys

What are the most popular Idler Pulleys for the Lincoln Navigator?

With 5 brands you can trust, our most popular Idler Pulleys for the Lincoln Navigator are:

What are the best aftermarket Idler Pulleys for the Lincoln Navigator?

See what past customers had to say about our highest-rated Idler Pulleys for the Lincoln Navigator:
Idler Pulley (Pulley only)
from $13.49
(10)
Idler Pulley (Pulley only)
“Good”
Idler Pulley (Pulley only)
from $12.49
(3)
Idler Pulley (Pulley only)
“I originally had a squeak that I though was the water pump, but a new sound emerged, replace 1 of the idler pulleys and still a small squeak. However,”