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ACDELCO 45C1121 Professional Steering Idler Arm

MSRP: $179.18

$120.49

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ACDELCO 45C1121 Part Description

Manufacturer

ACDELCO

Product Description

Steering Linkage Idler Arm

Features & Benefits

  • Constructed to work with OE-level steering geometry, allowing consistent linkage response
  • Treated for corrosion resistance, offering a long lifespan in trucks exposed to wet road conditions
  • Restores firmness in the steering response, eliminating looseness caused by outdated arms
  • Comes from ACDelco’s Professional™ line, suitable for shops, fleets, or DIY mechanics

ACDelco Steering Idler Arm

Searching for a way to get your truck’s steering responsiveness back in line? The ACDelco Steering Idler Arm is what it claims to be—strong, functional, and made for trucks that are tired of vague turns and wobbling wheels. If the steering wheel has been giving late reactions or the front tires seem to do their own thing, you’re long overdue for a solid swap. This component brings the connection back between the steering gear and linkage like it should have been doing all along. Stop wrestling with the wheel and get back to a direct, sharp turn with the ACDelco 45C1121.

ACDELCO 45C1121 Specifications

Product Attributes

Height (in) 3 in
Weight (lb) 3.4 lb
Width (in) 3.8 in
Length 10.7 IN
Signs of Wear & Troubleshooting - Section 1 - Bullet 5 Alignment issues: an inability to set the proper alignment for your vehicle may indicate worn steering arms
Product Description An ACDelco Professional Steering Idler Arm serves as a pivot point for the steering linkage assembly in your vehicle, and is a high quality replacement for many vehicles on the road today. The steering idler arm is attached on the opposite side of the center link from the pitman arm and to the vehicle frame, which supports the center link. This premium aftermarket replacement component is manufactured to meet your expectations for fit, form, and function. &#9888;<b> WARNING:</b> Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Color Black
Features & Benefits - Bullet 5 Corrosion-resistant coating
Features & Benefits - Bullet 1 Design helps reduce side-to-side play
FAQ - Question 1 Does the Idler Arm secure to a vehicle's subframe?
Signs of Wear & Troubleshooting - Section 1 - Bullet 4 Excessive steering play: excessive movement or play in your vehicle's steering linkage may be a sign of steering arm wear
Features & Benefits - Bullet 4 Greaseable where applicable: Allows new lubricant to flush contaminants from the assembly, reducing corrosion and wear
Features & Benefits - Bullet 3 Induction hardened to match OE fatigue life
Good Maintenance Practices - Section 1 - Bullet 1 Inspect or have your idler and pitman arms inspected for signs of wear. Exposure to dirt, road salt, and other harsh road conditions can cause wear and tear on your steering arms, or cause connections to loosen. One way to test your steering arm assemblies is to try to turn the steering wheel while your vehicle is parked. If you can turn the steering wheel a significant amount without resistance, then you may have a worn idler or pitman arm.
Features & Benefits - Bullet 6 Manufactured at TS 16949-certified facilities to help with consistent high-quality
Programming Required No
Pre-Greased No
Finish Painted
Good Maintenance Practices - Section 1 - Bullet 2 Replace your vehicle's idler and pitman arms at the same time. Since the idler arms and pitman arms are exposed to similar wear conditions, you should replace the steering arms at the same time. After your new arms are installed, have a professional alignment done.
Shape Straight
Arm Attachment Type Stud
Features & Benefits - Bullet 2 Undergoes extreme impact, wear, and fatigue testing to help with quality and durability
FAQ - Question 2 Will a worn Idler arm effect vehicle steering?
Grease Fitting Included Yes
Castle Nut Included Yes
Meets or Exceeds Original Equipment Manufacture Specifications Yes
FAQ - Answer 2 Yes. A worn arm may cause vibrations or wobbling while operating the vehicle.
FAQ - Answer 1 Yes. The idler arm bolts to the vehicle's frame or subframe. The idler arm supports the end of the center link on the passenger's side of the vehicle.

Additional Information

Harmonized Tariff Code (HTS) 8708947550
Country of Origin 2 TW
Country of Origin (Primary) US
Warranty Special UOM TX
UPC 00021625606569

ACDELCO 45C1121 Fits Vehicles

  • Hummer H2 (2003-2009)
  • GMC Sierra 3500 HD (2007-2010)
  • GMC Yukon XL 2500 (2000-2012)
  • GMC Sierra 3500 (2001-2006)
  • GMC Sierra 2500 HD (2001-2010)
  • GMC Sierra 2500 (1999-2004)
  • GMC Sierra 1500 HD (2001-2003, 2005-2006)
  • GMC Sierra 1500 HD Classic (2007)
  • GMC Sierra 3500 Classic (2007)
  • GMC Sierra 2500 HD Classic (2007)
  • Chevrolet Silverado 3500 HD (2007-2010)
  • Chevrolet Suburban 2500 (2000-2012)
  • Chevrolet Silverado 3500 (2001-2006)
  • Chevrolet Silverado 2500 HD (2001-2010)
  • Chevrolet Silverado 2500 (1999-2004)
  • Chevrolet Silverado 1500 HD (2001-2003, 2005-2006)
  • Chevrolet Avalanche 2500 (2002-2006)
  • Chevrolet Suburban 3500 HD (2016-2019)
  • Chevrolet Silverado 1500 HD Classic (2007)
  • Chevrolet Silverado 3500 Classic (2007)
  • Chevrolet Silverado 2500 HD Classic (2007)
  • Chevrolet Suburban (2017-2019)

ACDELCO 45C1121 Manufacturer Information

A true OEM auto parts brand for GM and non-GM vehicles, ACDelco® offers a wide portfolio of parts designed to keep vehicles on the road longer. These parts work precisely and fit perfectly because they are designed, engineered, tested, and backed by General Motors. But ACDelco also carries aftermarket components that go through the same 18-step quality approval process as the OE parts. Whether customers choose OE or aftermarket, they’d get the same reliable performance, precise engineering, and superior reliability for years to come. ACDelco’s expansive product portfolio includes alternators, filters, batteries, brakes, belts and hoses, oil and fluids, and suspension parts. These products are made to meet GM and non-GM vehicles’ ever-evolving powertrain, collision, maintenance, and repair needs.

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