AC DELCO OLX-ACD45C1121-CL360A64 Idler Arm 199608609774 Acdelco Hd/avalanche

( Brand: Ac Delco ), ( Manufacturer Part Number: OLX-ACD45C1121-CL360A64 ), ( Type: Automotive ), ( Oe/oem Part Number: 19460320 ), ( Fitment Type: Direct Replacement ), ( Generic Keywords 1: Part ), ( Intended Use: Automobiles ), ( Misc Fitment Notes: See Notes ), ( Housing Color: Black ), ( Manufacturer Warranty: 1 Year ), ( Surface Finish: Painted ), ( UPC: 199608609774 )

Review AC DELCO Genuine Acdelco Chevy Hd/avalanche Idler Arm fits SILVERADO AVALANCHE 1500 2005–2006

The **ACDelco OEM Original Equipment (OEM) Idler Arm (Part Number OLX-ACD45C1121-CL360A64)** is a high-quality, direct-fit replacement component designed specifically for the **2005 and 2006 Chevrolet Silverado 1500 HD and GMC Avalanche** heavy-duty truck models. Engineered to meet or exceed the exacting standards of the original equipment manufacturer (OEM), this idler arm is crafted from durable, precision-machined materials to ensure reliable performance, longevity, and seamless integration with your vehicle s serpentine belt drive system. The idler arm plays a critical role in maintaining proper tension on the alternator, power steering, air conditioning, and other accessory belts, preventing slippage, excessive wear, and potential failure of the entire belt system. Constructed with a robust, corrosion-resistant design, this component is built to withstand the demanding conditions of heavy-duty truck applications, including exposure to extreme temperatures, road debris, and the constant stress of towing or hauling heavy loads. Its smooth-operating bearings and reinforced mounting bracket ensure minimal friction and consistent belt tension, reducing strain on the engine s accessory components and helping to prevent premature wear on belts, pulleys, and the serpentine belt tensioner. Whether you're restoring an older Silverado or addressing a worn-out idler arm in a well-maintained truck, this ACDelco OEM part provides the confidence of genuine quality, backed by the same engineering and reliability that Chevrolet drivers have trusted for decades. Installing this idler arm is a straightforward process, thanks to its direct-fit design and compatibility with the original mounting points, making it an ideal choice for both professional mechanics and DIY enthusiasts looking to maintain their truck s performance without compromising on quality.

### Pros and Cons of buying a AC Delco OLX-ACD45C1121-CL360A64 Idler Arm for a 2005-2006 Chevy Silverado HD/Avalanche

1. **OEM Quality and Fitment** AC Delco is a well-known brand that produces parts designed to meet or exceed original equipment manufacturer (OEM) standards. This idler arm is engineered specifically for your 2005-2006 Chevy Silverado HD/Avalanche, ensuring proper fitment and compatibility with the vehicle s suspension system.

2. **Durability and Reliability** AC Delco components are generally built to last, using high-quality materials and manufacturing processes. The idler arm is designed to withstand the stresses of heavy-duty use, which is particularly important for HD trucks like yours.

3. **Ease of Installation** Since this is an OEM or OEM-equivalent part, it should be straightforward to install, especially if you have basic mechanical experience. The design is consistent with the original part, so tools and techniques used for the old idler arm should apply here.

4. **Warranty Coverage** AC Delco parts often come with manufacturer warranties, which can provide peace of mind in case the part fails prematurely due to a defect. Always check the warranty terms when purchasing.

5. **Cost-Effective Alternative to OEM** While not an exact OEM part, this AC Delco idler arm is often priced lower than a brand-new OEM replacement from a dealer. It offers a balance between cost and quality, making it a practical choice for budget-conscious buyers.

6. **Aftermarket Support** AC Delco is a trusted brand with widespread availability, meaning you can easily find replacement parts, installation guides, or support if needed.

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1. **Potential for Counterfeit or Low-Quality Replicas** Purchasing from unverified sellers (e.g., random OLX listings without proper authentication) increases the risk of receiving a counterfeit or substandard part. Counterfeit AC Delco parts may fail prematurely or not fit correctly, leading to further damage or safety concerns.

2. **Mixed Quality Control** While AC Delco is generally reliable, quality can vary depending on the specific batch or seller. Some aftermarket parts may have slight inconsistencies in materials or machining, which could affect longevity.

3. **Limited Customization** This is a standard idler arm with no custom features (e.g., reinforced bushings or upgraded materials). If you re looking for performance enhancements (e.g., for off-roading or heavy towing), you may need to explore specialized aftermarket options.

4. **Resale Value** Unlike OEM parts, aftermarket replacements (even high-quality ones like AC Delco) may not hold the same resale value if you decide to sell the truck later. Buyers often prefer OEM or genuine parts for used vehicles.

5. **Installation Challenges** If the idler arm has been damaged or the mounting points are corroded, installation could be more difficult than expected. You may need to clean or replace bushings, which could add to the cost or time required.

6. **Potential for Incompatibility** While this part is designed for your truck, slight variations in suspension geometry or modifications (e.g., lift kits, sway bars) could cause fitment issues. Always double-check compatibility with your specific setup.

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The AC Delco OLX-ACD45C1121-CL360A64 idler arm is a **solid, cost-effective choice** for replacing a worn or failed idler arm on your 2005-2006 Chevy Silverado HD/Avalanche. It offers the reliability and fitment of an OEM-like part without the premium dealer price. However, the **risk of counterfeit parts** when purchasing from unverified sources is the biggest drawback. To mitigate this, prioritize buying from reputable sellers (e.g., authorized AC Delco dealers, trusted online marketplaces, or local auto parts stores with return policies).

If you re confident in the seller s authenticity and the part s condition, this is a **recommended purchase** for a straightforward, durable replacement. If you re unsure about the seller s legitimacy, consider opting for a **brand-new OEM part from a dealer** or a **highly rated aftermarket brand** (e.g., Moroso, King, or Bilstein) to ensure quality and warranty coverage.

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1. **Verify the Seller:** Only purchase from sellers with verified reviews, return policies, or physical locations where you can inspect the part before buying. Avoid deals that seem too good to be true (e.g., significantly below market price).

2. **Check for Authenticity:** Look for AC Delco branding, packaging, and part numbers that match the listing. Counterfeit parts often lack proper labeling or have slight variations in design.

3. **Inspect the Part:** If possible, examine the idler arm for signs of wear, cracks, or poor machining. Ensure the bushings are intact and the arm spins smoothly.

4. **Consider New vs. Used:** If budget allows, a **new AC Delco part** (from a parts store) or **OEM replacement** (from a dealer) may be worth the extra cost for peace of mind.

5. **Install Properly:** Follow the manufacturer s instructions or consult a professional if you re unsure about installation. Improper installation can lead to premature failure or suspension issues.

**Final Verdict:** For most buyers, this AC Delco idler arm is a **good, practical choice** if purchased from a trusted source. It strikes a balance between affordability and quality, making it ideal for routine maintenance. However, if you re dealing with an untrusted seller or suspect counterfeit parts, weigh the risks carefully or explore alternative options.

Details:

Cleaned Template. Fast shipping, Well packaged, as described and great price. Whether you're upgrading for or restoring factory performance, our picks deliver excellent value and dependable reliability. Priced right, well packed for shipping, sent lightning quick.

Ruico37: Verified Purchaser. Honest and reliable highly recommended for anyone considering buying from them. Great value and quality as they were not only beautiful but CAPA approved. Item received new, as described, of apparent OEM quality.

I really appreciate the careful packaging to ensure everything arrived safely. Would be happy to do business again in the future. Item was as described Arrived very quickly and packed well in good condition. From precision-engineered lighting solutions to high-quality replAcement parts, these top-rated items are trusted by drivers and mechanics.

Chamber-58: Verified Purchaser. Jody ne: Verified Purchaser. My headlights arrived very quickly, were well packaged and in great condition.: CHEVROLET: SILVERADO 1500 HD 2005 - 2006 Part position on vehicle Part slink number: Info: Part: Idler Arm, Classification: Gold, Arm Attachment Type: Stud, Color: BlAck, Grease Fitting Included: Yes, Shape: Straight, Castle Nut Finish: Painted, Pre Greased: No, Features: Design helps reduce side-to-side play, Undergoes extreme impact, wear, and fatigue testing to help with quality durability, Grease able where applicable: Allows new lubricant flush contaminants from the assembly, reducing corrosion-resistant coating, Premium Aftermarket ReplAcement Parts: Every component undergoes a thorough evaluation meticulous inspection establish adherence our strict safety standards high-quality benchmarks.

I would gladly purchase again in the future. The item arrived quickly, well packaged, and exactly as described. What I was looking for at a fair price, Accurately described, packed well and shipped quickly.

part #: 199608609774 prices

• $63.02-$197.21

specifications pitmanidlear:

• for models: 1500, Silverado, Avalanche
• for makes: Chevy
• for years: 2005-2006
• brand: Ac Delco
• mpn: Olx-acd45c1121-cl360a64
• type: Automotive
• oe/oem part number: 19460320
• fitment type: Direct Replacement
• generic keywords 1: Part
• intended use: Automobiles
• misc fitment notes: See Notes
• housing color: Black
• manufacturer warranty: 1 Year
• surface finish: Painted
• upc: 199608609774

offer pitmanidlear:

• quantity: 2
• availability: In Stock
• sold: 0
• started: May 2, 2026
• options: Ship-to-home

shipping pitmanidlear:

• cost: $0.00
• service: Standard
• class: Standard
• type: Fixed
• transit: 4-6 Days

general pitmanidlear:

• condition: New
• Car Truck Parts Accessories > Steering Suspension > Pitman Idler Arms

returns pitmanidlear:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

seller pitmanidlear:

• rating: 99.7%
• # reviews: 163752
• city: West Chicago, IL

payments pitmanidlear:

• credit card: Discover
• other
• wallet: Paypal

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