MOOG 39547BNJX Idler Arm

( Brand: Moog ), ( Manufacturer Part Number: 39547BNJX ), ( Part Type: Idler Arm ), ( Manufacturer Warranty: 12 Month Warranty ), ( Notes: Steering Idler Arm ), ( Years: 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 ), ( Application: Chevrolet C20 Suburban Idler Arm ), ( Cs-sku: 400 )

Review MOOG Chevrolet Idler Arm fits SUBURBAN C20 1967–1982

The **Moog 39547B-NJX Idler Arm** is a precision-engineered suspension component designed specifically for the classic **1967 through 1982 Chevrolet C20 Suburban**, ensuring optimal handling, ride comfort, and durability for these iconic full-size trucks and vans. Crafted from high-grade **malleable iron** and treated with a **black oxide finish**, this idler arm is built to withstand the demands of daily driving, off-road adventures, or heavy-duty applications while maintaining smooth operation. The **NJX variant** features a **spherical bearing** at the pivot point, allowing for superior articulation and reduced wear compared to traditional bushings, which helps minimize friction and extend the life of the suspension components. This idler arm is engineered to fit seamlessly with the **1968, 1969, and 1970 model years** of the C20 Suburban, where it plays a critical role in maintaining proper alignment of the steering linkage and suspension geometry. Whether restoring a vintage vehicle to its original glory or upgrading an existing setup for improved performance, the Moog 39547B-NJX delivers **reliable, long-lasting performance** with minimal maintenance requirements. Built to Moog s exacting standards, this part is a direct replacement for the OEM component, ensuring a perfect fit and the confidence of knowing you re using a component backed by decades of automotive innovation.

### **Pros and Cons of Buying a Moog 39547BNJX Idler Arm for a 1967-1982 Chevrolet C20 Suburban**

1. **High Quality and Durability** Moog is a well-known manufacturer of automotive suspension components, known for producing parts that meet or exceed OEM standards. Their idler arms are built to last, reducing the likelihood of premature failure.

2. **Direct Fitment** The **39547BNJX** is specifically designed for the **1967-1982 Chevrolet C20 Suburban**, ensuring compatibility with the drivetrain and suspension geometry. This eliminates the need for modifications or additional adapters.

3. **Improved Performance** A properly functioning idler arm helps maintain proper tension in the drive belt system, reducing slippage and ensuring optimal power transfer. This can lead to better engine cooling, A/C performance, and alternator efficiency.

4. **Rust and Corrosion Resistance** Moog parts are often treated to resist rust and corrosion, which is particularly beneficial for older vehicles exposed to harsh conditions.

5. **Warranty Coverage** Moog offers a warranty on their parts, providing peace of mind in case of premature failure due to defects.

6. **Easier Installation** Since it s a direct replacement, installation is straightforward, requiring only basic tools and mechanical knowledge.

7. **Compatibility with Aftermarket Upgrades** If you plan to upgrade other suspension or drivetrain components, a Moog idler arm will integrate smoothly without conflicts.

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1. **Cost Compared to OEM or Aftermarket Alternatives** While Moog is a premium brand, the **39547BNJX** may be more expensive than generic aftermarket replacements or used OEM parts. However, the price difference is often justified by quality and longevity.

2. **Potential Overkill for Minor Issues** If the existing idler arm is only slightly worn or the failure is due to a different component (e.g., worn bushings, misalignment), replacing just the arm may not fully resolve the problem. A full suspension inspection may be needed.

3. **Installation Complexity (If DIY)** While the part itself is straightforward, some users may find adjusting tension or ensuring proper alignment tricky, especially if they lack experience with suspension work.

4. **Limited Availability in Some Regions** Depending on where you purchase, Moog parts may not be as widely stocked as other brands, requiring online ordering or special trips to an auto parts store.

5. **Possible Misalignment if Not Installed Correctly** If the arm is not properly aligned during installation, it could cause belt wear, drivetrain vibration, or premature failure of other components.

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The **Moog 39547BNJX idler arm** is an excellent choice for a **1967-1982 Chevrolet C20 Suburban** due to its reliability, direct fitment, and performance benefits. While it may be more expensive than some alternatives, the long-term savings from reduced wear on belts, pulleys, and the drivetrain make it a cost-effective investment. However, if the vehicle has other underlying suspension issues or if you're on a tight budget, a thorough inspection of the entire system may be warranted before committing to this part.

- You want a high-quality, long-lasting replacement with minimal risk of failure.

- You re performing a routine suspension maintenance or addressing a confirmed idler arm issue.

- You re comfortable with basic mechanical work or plan to have a mechanic install it.

- You re working with a very limited budget and can find a high-quality used OEM or aftermarket part at a significantly lower cost.

- The vehicle has other suspension problems that need addressing simultaneously.

For most owners, the **Moog 39547BNJX is the best balance of quality, fitment, and performance**, making it the recommended choice for this application.

Details:

Parts Geek - For 1967-1982 Chevrolet C20 Suburban Idler Arm Moog 39547BNJX 1968 1969 1970: Review Fitment Notes to Ensure Proper Fit condition: New Brand: Notes: Steering Features: Grease able for smoother steering. 12 Month Warranty Fitment Notes: Includes Powdered-Metal Gusher Bearing To Allow Grease Penetrate Surfaces, Vehicle: 1967-1982 Chevrolet C20 Suburban. Easy to install. Designed as stock replacement.

Fitment Notes: Vehicle: 1967-1982 Chevrolet C20 Suburban.

part #: 39547bnjx prices

• $47.31-$68.15

specifications pitmanidlear:

• for models: C20, Suburban
• for makes: Chevrolet
• for years: 1967-1982
• brand: Moog
• mpn: 39547bnjx
• part type: Idler Arm
• manufacturer warranty: 12 Month Warranty
• notes: Steering Idler Arm
• years: 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979
• application: Chevrolet C20 Suburban Idler Arm
• cs-sku: 400

offer pitmanidlear:

• quantity: 1
• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: April 23, 2026

shipping pitmanidlear:

• transit: 4-7 Days
• service: FedEx Ground / FedEx Home Delivery
• class: Standard
• carrier: FedEx
• type: Fixed
• cost: $0.00

returns pitmanidlear:

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

payments pitmanidlear:

• wallet: Google-pay
• credit card: Discover
• other

general pitmanidlear:

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

seller pitmanidlear:

• city: Cohasset, Massachusetts
• # reviews: 329863
• rating: 98.8%

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