Buick GS 400 Idler Arms

Your Buick GS 400 will be happy to know that the search for the right Idler Arms you’ve been looking for is over! Advance Auto Parts has 2 different Idler Arms for your vehicle, ready for shipping or in-store pick up. The best part is, our Buick GS 400 Idler Arms start from as little as $26.99.

When it comes to your Buick GS 400, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Idler Arms brands so you can shop with complete confidence. Some of our top Idler Arms brands are Moog and Driveworks. We’re sure you will get the right product to keep that GS 400 running for a long time.

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 Arms for your GS 400, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Compare 24 Buick Idler Arms

MOOG – Idler Arm (Part No.K5142)

Idler Arm

from

$105.99
By constantly introducing design enhancements that extend product life and simplify installation and replacement, MOOG has earned its reputation as the chassis industry’s Problem Solver.

Product Features:
  • Heavy-duty design
  • Loose or worn chassis parts can lead to premature tire wear
  • Engineered steel composition results in a stronger component
  • Powdered metal gusher bearing design enables grease to flow through bearing to
  • Greaseable socket reduces corrosion and wear by allowing new lubricant to flush contaminants
See More

MOOG – Idler Arm (Part No.K6187T)

Idler Arm

from

$57.99
By constantly introducing design enhancements that extend product life and simplify installation and replacement, MOOG has earned its reputation as the chassis industry’s Problem Solver.

Product Features:
  • Heavy-duty design
  • Loose or worn chassis parts can lead to premature tire wear
  • Engineered steel composition results in a stronger component
  • Powdered metal gusher bearing design enables grease to flow through bearing to
  • Greaseable socket reduces corrosion and wear by allowing new lubricant to flush contaminants
See More

MOOG – Idler Arm (Part No.K6251T)

Idler Arm

from

$97.99
By constantly introducing design enhancements that extend product life and simplify installation and replacement, MOOG has earned its reputation as the chassis industry’s Problem Solver.

Product Features:
  • Heavy-duty design
  • Loose or worn chassis parts can lead to premature tire wear
  • Engineered steel composition results in a stronger component
  • Powdered metal gusher bearing design enables grease to flow through bearing to
  • Greaseable socket reduces corrosion and wear by allowing new lubricant to flush contaminants
See More

Driveworks – Idler Arm (Part No.DW-K6187T)

Idler Arm

from

$31.99
Driveworks Brand idler arms help to restore vibration-free driving and prevent tire wear. Driveworks Brand chassis parts promote improved steering response and durability.

Product Features:
  • Meets or exceeds OE performance specifications
  • Precision engineered for improved ride and superior performance
  • Performance tested to ensure durability
See More

Driveworks – Idler Arm (Part No.DW-K6251T)

Idler Arm

from

$37.49
Driveworks Brand idler arms help to restore vibration-free driving and prevent tire wear. Driveworks Brand chassis parts promote improved steering response and durability.

Product Features:
  • Meets or exceeds OE performance specifications
  • Precision engineered for improved ride and superior performance
  • Performance tested to ensure durability
See More

MOOG – Idler Arm (Part No.K6186)

Idler Arm

from

$98.99
By constantly introducing design enhancements that extend product life and simplify installation and replacement, MOOG has earned its reputation as the chassis industry’s Problem Solver.

Product Features:
  • Heavy-duty design
  • Loose or worn chassis parts can lead to premature tire wear
  • Engineered steel composition results in a stronger component
  • Powdered metal gusher bearing design enables grease to flow through bearing to
  • Greaseable socket reduces corrosion and wear by allowing new lubricant to flush contaminants
See More

ACDelco – Idler Arm (Part No.M3020577493ACD)

Idler Arm

from

$84.94
Idler Arm

MOOG – Idler Arm (Part No.K5143)

Idler Arm

from

$70.99
By constantly introducing design enhancements that extend product life and simplify installation and replacement, MOOG has earned its reputation as the chassis industry’s Problem Solver.

Product Features:
  • Heavy-duty design
  • Loose or worn chassis parts can lead to premature tire wear
  • Engineered steel composition results in a stronger component
  • Powdered metal gusher bearing design enables grease to flow through bearing to
  • Greaseable socket reduces corrosion and wear by allowing new lubricant to flush contaminants
See More

MOOG – Idler Arm (Part No.K6099)

Idler Arm

from

$127.99
By constantly introducing design enhancements that extend product life and simplify installation and replacement, MOOG has earned its reputation as the chassis industry’s Problem Solver.

Product Features:
  • Heavy-duty design
  • Loose or worn chassis parts can lead to premature tire wear
  • Engineered steel composition results in a stronger component
  • Powdered metal gusher bearing design enables grease to flow through bearing to
  • Greaseable socket reduces corrosion and wear by allowing new lubricant to flush contaminants
See More

Rare Parts – Idler Arm (Part No.RP20267)

Idler Arm

from

$99.99
This high quality chassis part will improve overall vehicle handling, reduce tire wear and increase the life of other steering and suspension components. These chassis parts are manufactured to meet or exceed OEM.

Product Features:
  • Improves steering response
  • Reduces wander
  • Reduces vibration
  • Reduces tire wear
See More

Driveworks – IDLER ARM ASSEMBLY (Part No.DW-K6099)

IDLER ARM ASSEMBLY

from

$45.99
IDLER ARM ASSEMBLY

Driveworks – IDLER ARM (Part No.DW-K5143)

IDLER ARM

from

$26.99
IDLER ARM

MOOG – Idler Arm (Part No.K6149)

Idler Arm

from

$58.99
By constantly introducing design enhancements that extend product life and simplify installation and replacement, MOOG has earned its reputation as the chassis industry’s Problem Solver.

Product Features:
  • Heavy-duty design
  • Loose or worn chassis parts can lead to premature tire wear
  • Engineered steel composition results in a stronger component
  • Powdered metal gusher bearing design enables grease to flow through bearing to
  • Greaseable socket reduces corrosion and wear by allowing new lubricant to flush contaminants
See More

MOOG – Idler Arm (Part No.K6106)

Idler Arm

from

$46.49
By constantly introducing design enhancements that extend product life and simplify installation and replacement, MOOG has earned its reputation as the chassis industry’s Problem Solver.

Product Features:
  • Heavy-duty design
  • Loose or worn chassis parts can lead to premature tire wear
  • Engineered steel composition results in a stronger component
  • Powdered metal gusher bearing design enables grease to flow through bearing to
  • Greaseable socket reduces corrosion and wear by allowing new lubricant to flush contaminants
See More

Rare Parts – Idler Arm (Part No.RP20405)

Idler Arm

from

$253.99
This high quality chassis part will improve overall vehicle handling, reduce tire wear and increase the life of other steering and suspension components. These chassis parts are manufactured to meet or exceed OEM.

Product Features:
  • Improves steering response
  • Reduces wander
  • Reduces vibration
  • Reduces tire wear
See More

Rare Parts – Idler Arm (Part No.RP20328)

Idler Arm

from

$148.99
This high quality chassis part will improve overall vehicle handling, reduce tire wear and increase the life of other steering and suspension components. These chassis parts are manufactured to meet or exceed OEM.

Product Features:
  • Improves steering response
  • Reduces wander
  • Reduces vibration
  • Reduces tire wear
See More

Rare Parts – Idler Arm (Part No.RP20406)

Idler Arm

from

$139.99
This high quality chassis part will improve overall vehicle handling, reduce tire wear and increase the life of other steering and suspension components. These chassis parts are manufactured to meet or exceed OEM.

Product Features:
  • Improves steering response
  • Reduces wander
  • Reduces vibration
  • Reduces tire wear
See More

Rare Parts – Idler Arm (Part No.RP20402)

Idler Arm

from

$124.99
This high quality chassis part will improve overall vehicle handling, reduce tire wear and increase the life of other steering and suspension components. These chassis parts are manufactured to meet or exceed OEM.

Product Features:
  • Improves steering response
  • Reduces wander
  • Reduces vibration
  • Reduces tire wear
See More

Rare Parts – Idler Arm (Part No.RP20383)

Idler Arm

from

$121.99
This high quality chassis part will improve overall vehicle handling, reduce tire wear and increase the life of other steering and suspension components. These chassis parts are manufactured to meet or exceed OEM.

Product Features:
  • Improves steering response
  • Reduces wander
  • Reduces vibration
  • Reduces tire wear
See More

ACDelco – Idler Arm (Part No.M3020591753ACD)

Idler Arm

from

$97.29
Idler Arm

TRW – TRW Idler Arm (Part No.M3020211591TRW)

TRW Idler Arm

from

$84.71
TRW sets the standard within the Aftermarket, with tests that go beyond the ordinary to ensure every chassis part we produce meets stringent vehicle manufacturer quality standards, in line with the Original Equipment specification. To help make sure that our parts can go the distance, TRW utilizes on the road tests and the most advanced test machines available, in both our Original Equipment and Aftermarket facilities as well as by independent testing labs. So you can be sure that TRW parts are tested for your safety. The TRW Idler Arm is a direct fit OEM replacement that contains the same high quality craftsmanship and materials as the original equipment they replace.

Product Features:
  • OE-Equivalent and a direct fit application.
  • Meets or exceeds the OE specifications.
  • Designed to reduce vibration and absorb noise.
  • Acoustic measurements to ensure driver comfort
  • Strength tests for durability
  • Environmental resistance tests for all weather conditions
  • Wear and drive tests
  • Assembly technique testing of all critical safety features
  • Dynamic testing of complete units to ensure leak free performance
  • Extensive on-road testing at TRW tracks around the world
See More

TRW – TRW Idler Arm (Part No.M3020211433TRW)

TRW Idler Arm

from

$61.86
TRW sets the standard within the Aftermarket, with tests that go beyond the ordinary to ensure every chassis part we produce meets stringent vehicle manufacturer quality standards, in line with the Original Equipment specification. To help make sure that our parts can go the distance, TRW utilizes on the road tests and the most advanced test machines available, in both our Original Equipment and Aftermarket facilities as well as by independent testing labs. So you can be sure that TRW parts are tested for your safety. The TRW Idler Arm is a direct fit OEM replacement that contains the same high quality craftsmanship and materials as the original equipment they replace.

Product Features:
  • OE-Equivalent and a direct fit application.
  • Meets or exceeds the OE specifications.
  • Designed to reduce vibration and absorb noise.
  • Acoustic measurements to ensure driver comfort
  • Strength tests for durability
  • Environmental resistance tests for all weather conditions
  • Wear and drive tests
  • Assembly technique testing of all critical safety features
  • Dynamic testing of complete units to ensure leak free performance
  • Extensive on-road testing at TRW tracks around the world
See More

Rare Parts – Idler Arm (Part No.RP20272)

Idler Arm

from

$41.99
This high quality chassis part will improve overall vehicle handling, reduce tire wear and increase the life of other steering and suspension components. These chassis parts are manufactured to meet or exceed OEM.

Product Features:
  • Improves steering response
  • Reduces wander
  • Reduces vibration
  • Reduces tire wear
See More

Driveworks – Idler Arm (Part No.DW-K6186)

Idler Arm

from

$19.99
Idler Arm

FAQs for Buick GS 400 Idler Arms

What are the most popular Idler Arms for the Buick GS 400?

With 2 brands you can trust, our most popular Idler Arms for the Buick GS 400 are:
Idler Arm
from $70.99
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Idler Arm
Idler Arms
IDLER ARM
from $26.99
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IDLER ARM
Idler Arms