GM 5689566 Nos Lower Steering Shaft Worm Ball Nut 60-66

( Brand: Gm ), ( Manufacturer Part Number: 5689566 ), ( Type: Steering Shaft ), ( Oe/oem Part Number: Chevrolet 4x4 1/2 3/4 1 Ton 283 327 4sp 4 Speed Saginaw Nib ), ( Universal Fitment: No ), ( Vintage Part: Yes ), ( Country Of Origin: United States )

Review GM Nos 60-66 Chevy Gmc Pickup Lower Steering Shaft Worm And Ball Nut fits SUBURBAN 4WD

The **GM 5689566 (Part Numbers 60-66) Lower Steering Shaft Assembly for 1995 2006 Chevrolet/GMC 4WD Suburban** is a precision-engineered component designed to deliver smooth, responsive steering control in full-size SUVs equipped with the iconic **4WD system**. This lower steering shaft assembly integrates a **worm-and-ball-nut mechanism**, a robust design that ensures durability and accurate steering feedback while minimizing play or slop. Crafted from high-grade steel and reinforced with a **helical cut worm gear**, this shaft is engineered to withstand the demands of off-road driving, heavy loads, and frequent use in rugged terrains. The **ball-nut assembly** features recirculating ball bearings for reduced friction and extended wear, ensuring consistent performance even after prolonged exposure to dust, moisture, or extreme temperatures. This part is a direct-fit replacement for the original equipment (OEM) steering shaft found in the **4WD Suburban models**, including those with the **4L60-E, 4L80-E, or 6L80 transmissions**, and is compatible with both **manual and automatic steering column setups**. Whether restoring a classic Suburban to factory specifications or upgrading an older vehicle for improved handling, this lower steering shaft provides the reliability and precision needed for both on-road comfort and off-road capability. Built to meet or exceed OEM standards, it eliminates common issues like binding, excessive play, or premature wear, making it an essential component for maintaining optimal steering performance in these iconic full-size SUVs.

### **Pros and Cons of Buying a GM 5689566 NOS (60-66 Chevy/GMC 4WD Suburban) Lower Steering Shaft (Worm & Ball Nut)**

1. **New Old Stock (NOS) Condition** The part is unused and in original packaging, meaning it has not been exposed to wear, rust, or damage from installation. This ensures reliability and longevity.

2. **Exact Fitment** Designed specifically for 1960-1966 Chevy/GMC Suburban 4WD models, reducing the risk of compatibility issues with aftermarket parts.

3. **Durability** The worm-and-ball-nut mechanism is robust, built to handle the heavy-duty demands of 4WD steering systems from that era. Properly maintained, it can last decades.

4. **Ease of Installation** Since it s a direct replacement, swapping it in requires minimal modification, making it a straightforward DIY project for those with basic mechanical skills.

5. **Rarity & Collectibility** NOS parts for vintage vehicles are increasingly difficult to find, especially in original condition. This makes it a valuable asset for restoration projects.

6. **No Risk of Counterfeit Parts** Purchasing from a reputable dealer ensures authenticity, avoiding the potential issues with knockoffs that may fail prematurely.

7. **Preservation of Originality** If restoring a classic vehicle, using NOS parts maintains authenticity, which is crucial for enthusiasts and collectors.

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1. **High Cost** NOS parts are significantly more expensive than new or used aftermarket alternatives. The price reflects their rarity and condition.

2. **Limited Availability** Finding a seller with genuine NOS inventory can be challenging, especially for older GM parts. Prices may fluctuate based on demand.

3. **Potential for Overpaying** Scammers or unscrupulous sellers may inflate prices, so thorough research and verification are necessary before purchasing.

4. **Storage & Handling Risks** If not stored properly, even NOS parts can degrade over time (e.g., rust from moisture in packaging). Buyers must ensure the part is in pristine condition upon receipt.

5. **No Warranty (Typically)** NOS parts are sold "as-is," meaning the buyer assumes all risk. If the part fails due to manufacturing defects, recourse is limited.

6. **Specialized Tools May Be Required** Installing a worm-and-ball-nut steering shaft may necessitate specific tools (e.g., press fits, torque wrenches) that not all DIYers possess.

7. **Alternative Parts May Be Suitable** For some projects, aftermarket or rebuilt parts could offer a cost-effective solution without sacrificing performance.

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Buying a **GM 5689566 NOS lower steering shaft (worm & ball nut) for a 1960-1966 Chevy/GMC Suburban** is ideal if you prioritize **authenticity, reliability, and long-term durability** for a restoration project. The part s **unused condition, exact fitment, and collectible value** make it a premium choice, but the **high cost and limited availability** require careful consideration.

If budget is a concern, alternatives like **rebuilt or aftermarket steering shafts** (from trusted brands like **Moog, Mopar, or local restoration shops**) may offer comparable performance at a lower price. However, for **purists or serious collectors**, the NOS part is worth the investment to preserve the vehicle s original integrity.

- You are restoring a classic vehicle and authenticity is a priority.

- You have verified the seller s reputation and the part s condition.

- You are prepared to pay a premium for a high-quality, unused component.

- Budget constraints make the NOS part unaffordable.

- You are open to aftermarket or rebuilt parts that meet your needs.

- You lack the tools or experience for proper installation.

**Final Advice:** Always inspect the part upon arrival, request documentation (if available), and compare prices from multiple sellers to ensure you re getting a fair deal. If possible, consult with a trusted mechanic or restoration specialist before committing.

Details:

Getting to be a very hard find part NOS. We had to open the Saginaw tube for first time these photos. Most of those guys do not even own their parts, they are relying on the parts being shipped from some third party IF have them and you know condition until it arrives at your door. New old stock GM# 5689566 also was 5674380 lower steering shaft w/Worm Ball Nut assembly for Chevrolet 1960-66 4WD trucks.

Ship cost is for continental US 48 states.

part #: 5689566 prices

• $12.99-$69.00

specifications pitmanidlear:

• for models: 4wd, Suburban
• for makes: Chevy, Gmc
• brand: Gm
• mpn: 5689566
• type: Steering Shaft
• oe/oem part number: Chevrolet 4x4 1/2 3/4 1 Ton 283 327 4sp 4 Speed Saginaw Nib
• universal fitment: No
• vintage part: Yes
• country of origin: United States

shipping pitmanidlear:

• service: Economy
• transit: 3-8 Days
• type: Fixed
• cost: $15.00
• class: Economy

general pitmanidlear:

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

offer pitmanidlear:

• started: February 24, 2026
• options: Ship-to-home
• availability: In Stock
• sold: 0
• quantity: 1

returns pitmanidlear:

• policy: No Returns

seller pitmanidlear:

• rating: 100.0%
• # reviews: 4144
• city: Adel, Georgia

payments pitmanidlear:

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

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