STANDARD SUPPLY CMC-57 Idler Arm Repair Kit

( Brand: Standard Supply ), ( Manufacturer Part Number: CMC-57 ), ( Type: Idler Arm Repair Kit ), ( Vintage Part: Yes ), ( Country Of Origin: United States )

Review STANDARD SUPPLY Idler Arm Repair Kit Chevrolet Part fits 1957

The **Standard Supply CMC-57 Idler Arm Repair Kit** is a meticulously engineered solution designed specifically for restoring and reinforcing the idler arm assembly on **1957 Chevrolet** vehicles, ensuring optimal performance and longevity for this critical suspension component. This kit is crafted to address common wear issues associated with the idler arm, which plays a pivotal role in maintaining proper tension and alignment of the drive belt system, thereby preventing premature belt slippage, excessive noise, and potential damage to associated engine components. The CMC-57 kit includes a **high-quality, heavy-duty idler arm bushing** forged from durable, oil-resistant polyurethane or rubber, depending on the application, to absorb shocks, reduce vibration, and minimize wear on the arm s pivot point. Complementing the bushing is a **precision-machined idler arm shaft**, often featuring a **splined or serrated design** for a secure, non-slip fit, ensuring the arm remains firmly attached to the engine block or frame without excessive play. Additionally, the kit may incorporate **stainless steel or coated fasteners**, including bolts, nuts, and washers, to resist corrosion and prevent loosening over time, particularly in harsh environments or under heavy loads. For added convenience and precision, the kit often includes **specialty tools or alignment guides** to facilitate proper installation, allowing mechanics to achieve the correct tension and positioning with minimal guesswork. Whether addressing a worn-out original component or upgrading an existing system for improved durability, the **CMC-57 Idler Arm Repair Kit** delivers a reliable, off-the-shelf solution that adheres to OEM specifications while incorporating modern materials and engineering to enhance performance. Ideal for both professional mechanics and dedicated DIY enthusiasts, this kit ensures that your **1957 Chevrolet** s suspension and accessory drive systems operate smoothly, reducing unnecessary wear and extending the life of your vehicle s critical moving parts.

### Pros and Cons of Buying a Standard Supply CMC-57 Idler Arm Repair Kit for a 1957 Chevrolet

1. **Compatibility and Fitment** The kit is specifically designed for the 1957 Chevrolet, ensuring that all parts will fit correctly without modifications. This reduces the risk of purchasing mismatched components that may not align properly with your vehicle s suspension system.

2. **Quality Materials** Standard Supply is a reputable brand known for producing durable, high-quality automotive parts. The idler arm components in this kit are likely to be made from sturdy materials like steel or reinforced plastic, which can withstand the stresses of daily driving.

3. **Ease of Installation** The kit includes all necessary parts (e.g., idler arm, bushings, mounting hardware) along with instructions, making the repair process more straightforward for DIYers. This can save time and labor costs if you re comfortable working on your vehicle.

4. **Preventative Maintenance** Replacing worn-out idler arm components can prevent further damage to other suspension parts, such as control arms, bushings, or even the steering system. Addressing the issue early can extend the lifespan of your vehicle s suspension.

5. **Cost-Effective Solution** Compared to labor-intensive repairs or replacing an entire suspension component, this kit offers a budget-friendly way to restore proper function to the idler arm assembly. It s often cheaper than buying individual parts separately.

6. **Improved Handling and Safety** A properly functioning idler arm ensures that the steering and suspension operate smoothly, reducing issues like wandering, uneven tire wear, or excessive play in the steering. This enhances both comfort and safety.

7. **Availability of Support** Standard Supply provides customer support and warranties, which can be helpful if you encounter issues with the installation or quality of the parts. Many kits come with a limited warranty, offering peace of mind.

---

1. **Limited Customization** Since the kit is a standard fit for the 1957 Chevrolet, it may not accommodate aftermarket modifications or unique suspension setups. If your vehicle has been heavily modified, you might need to source custom parts.

2. **Potential for Counterfeit or Low-Quality Products** While Standard Supply is generally reliable, there is a risk of purchasing counterfeit or subpar replicas, especially if buying from unauthorized sellers. Always verify the source to ensure authenticity.

3. **Skill Requirement** While the kit is designed for ease of use, replacing an idler arm still requires some mechanical knowledge. Mistakes during installation (e.g., improper alignment, overtightening bolts) can lead to further damage or premature wear.

4. **Additional Tools May Be Needed** Depending on your toolkit, you might need specific equipment (e.g., torque wrench, suspension alignment tools) to install the kit correctly. Rushing without the right tools can compromise the repair.

5. **Time-Consuming Process** If you re not experienced with suspension work, the repair could take several hours to complete, especially if you encounter unexpected issues (e.g., rusted bolts, misaligned components).

6. **Wear on Adjacent Components** If the idler arm was neglected for an extended period, other suspension parts (e.g., ball joints, control arm bushings) may also be worn. You might need to address these issues simultaneously, increasing the overall cost and effort.

7. **Resale Impact (If Applicable)** If you plan to sell the vehicle later, some buyers may prefer original or higher-quality parts. While a properly installed kit is functional, it might not appeal to collectors or enthusiasts seeking OEM or restored components.

---

The **Standard Supply CMC-57 Idler Arm Repair Kit** is a practical and cost-effective solution for restoring the functionality of your 1957 Chevrolet s suspension. Its compatibility, quality, and ease of installation make it a strong choice for DIYers or those looking to avoid costly professional repairs. However, the success of the repair depends on your mechanical skill, access to proper tools, and the integrity of the kit s source.

If you re comfortable with basic suspension work and have verified the kit s authenticity, this is a **recommended purchase**. For those less experienced, consulting a mechanic to guide the installation or perform the repair may be wise to ensure longevity and safety.

- You need a reliable, fit-for-purpose repair.

- You re willing to invest time in learning or following installation steps carefully.

- You ve sourced it from a trusted dealer or manufacturer to avoid counterfeit parts.

- You lack mechanical experience and aren t prepared to seek help.

- Your vehicle has extensive suspension modifications that conflict with the kit s design.

- You re on a tight budget and other suspension components also need replacement, making the repair less cost-effective.

Details:

The is written EXACTLY as the books say. The system compatibility is just a guideline; there may be other exceptions that the doesn't allow for written in to narrow results down. PARTS, Idler Arm Repair Kit, PART # CMC-57, FITS: 1957 Chevrolet, These Parts are New Old Stock, NOT Reproductions, Guaranteed. PLEASE verify the part fitment before you place an order.

We put new things up regularly.

part #: cmc57 prices

• $32.04-$58.59

specifications pitmanidlear:

• for makes: Chevrolet
• for years: 1957
• brand: Standard Supply
• mpn: Cmc-57
• type: Idler Arm Repair Kit
• vintage part: Yes
• country of origin: United States

returns pitmanidlear:

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

shipping pitmanidlear:

• class: Standard
• service: USPS Ground Advantage
• type: Fixed
• cost: $0.00
• carrier: USPS
• transit: 5-11 Days

payments pitmanidlear:

• wallet: Apple-pay
• other
• credit card: Mastercard

general pitmanidlear:

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

offer pitmanidlear:

• started: March 20, 2026
• quantity: 1
• availability: In Stock
• options: Ship-to-home
• sold: 0

seller pitmanidlear:

• city: Doylestown, Pennsylvania
• # reviews: 20507
• rating: 99.8%

Standard Supply CMC-57 Is Similar To:

• Duty Trail-gear Truck Standard 4-runner Heavy Toyota 130599-1-k Drop Pitman Arm (22.2% similar) Offer is for arm only. Standard Pittman arm solid one piece design. Application DATA1979 1995 Toyota pickup all engines Toyota 4RUNNER all engines solid, forged one piece design bought this new from trail gear to use with cross over steering, installed it and realized I needed the flat arm. Extra ...(March 23rd, 2015)
• 40-21540 Geon Toyota Hilux Pickup Standard Duty New Idler Arm (34.9% similar) This fits Toyota helix pickup 2WD 18RC engine Standard duty one new idler arm, part number...(June 28th, 2018)
• 621.42005 Centric Parts Steering Idler Standard Front Fits Nissan (23.1% similar) At adopts...(September 11th, 2018)
• 621.42008 Centric Parts Steering Idler Standard Front Fits Nissan (23.1% similar) Steering idler arm-c-teak Standard front enteric 621. At adopts...(February 18th, 2019)
• 621.42009 Centric Parts Steering Idler Standard Fits Nissan (21% similar) ...(August 3rd, 2018)
• 621.42013 Centric Parts Steering Idler Standard Front Fits Nissan Frontier (21.6% similar) ...(August 3rd, 2018)
• 621.44006 Centric Parts Steering Idler Standard Front Fits Toyota Van (22.4% similar) It is this experience and vendor relationships that brings to you. We dedicate ourselves to giving you the service and care that expect reminds come see us again. As mandated by the manufacturer, feel pro product must be unopened in order for credit to issued...(June 16th, 2018)
• 621.44007 Centric Parts Steering Idler Standard Front Fits Toyota Pickup (21.9% similar) ...(August 4th, 2018)
• 621.44016 Centric Parts Steering Idler Standard Front Fits Toyota Celica (21.9% similar) ...(March 28th, 2019)
• 621.44019 Centric Parts Steering Idler Standard Front Fits Toyota Cressida (21.6% similar) ...(October 17th, 2018)
• 621.45013 Centric Parts Steering Idler Standard Front Fits Mazda (23.3% similar) ...(July 31st, 2018)