GM 348104 Right Rear Trailing Arm Spindle Bearing Yoke Mount 75-82

( Brand: Gm ), ( Manufacturer Part Number: 348104 ), ( Type: Spindle Bearing Support ), ( Placement On Vehicle: Right Rear )

Review GM 75-82 Right Rear Trailing Arm Spindle Support Bearing Yoke Mount fits CORVETTE C3

The **GM 348104 Right Rear Trailing Arm Spindle Bearing Yoke Mount** is a precision-engineered suspension component designed exclusively for the **1975 1982 Chevrolet Corvette (C3)**, serving as a critical link between the trailing arm axle assembly and the wheel spindle. This high-strength forged steel yoke mount is integral to the vehicle s rear suspension system, providing both structural integrity and smooth articulation as the axle pivots during cornering, braking, and over rough terrain. Crafted from durable, heat-treated steel, the mount is engineered to withstand the constant stresses of lateral forces, vertical loads, and torsional forces that occur during aggressive driving, ensuring reliable performance and longevity. The design features a robust, reinforced shape that securely attaches to the trailing arm s spindle bearing housing, allowing for precise alignment and minimal flex, which is essential for maintaining proper wheel geometry and preventing premature wear on tires, bushings, and other suspension components. This part is a direct replacement for the original equipment (OEM) component, ensuring an exact fit with the C3 s rear trailing arm assembly, including the **GM 348103 spindle bearing** and associated hardware. Whether restoring a classic Corvette to factory specification or upgrading a high-performance build, this yoke mount delivers the strength and precision needed to preserve the integrity of the suspension while enhancing handling and ride quality. Its compatibility with aftermarket modifications such as sway bars, coilovers, or lowered suspension setups makes it a versatile choice for both stock and modified applications, ensuring seamless integration with modern performance enhancements. Built to withstand the demands of high-speed driving and aggressive cornering, this component is a must-have for any C3 owner seeking to maintain or restore their vehicle s legendary driving dynamics.

Buying a **GM 348104 rear trailing arm spindle bearing yoke mount** (compatible with 1975 1982 C3 Corvette) can be a practical solution for restoring or maintaining your vehicle s rear suspension. Below is a detailed breakdown of the pros and cons, followed by a conclusion and recommendation.

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### **Pros of Buying This Part**

1. **Authentic Fitment**

The part is designed specifically for the C3 Corvette s rear trailing arm suspension, ensuring a proper fit without modifications. This reduces the risk of misalignment or premature wear compared to aftermarket alternatives that may not match perfectly.

2. **Reliability and Durability**

GM s original parts were built to last, especially for the C3 s rear suspension, which relies on durable castings and high-quality bearings. A genuine or high-quality reproduction part will maintain structural integrity over time, reducing the likelihood of catastrophic failure.

3. **Compatibility with Restoration Projects**

If you re restoring a C3 Corvette, using original-spec parts (or exact replicas) helps preserve the car s authenticity and value. Collectors and enthusiasts often prioritize period-correct components, making this part a desirable choice for show cars or high-mileage restorations.

4. **Ease of Installation**

The design is straightforward, with standard mounting points and bolt patterns. As long as the part is in good condition, installation typically requires basic tools and mechanical knowledge, making it accessible for DIYers.

5. **Support for Original Functionality**

The trailing arm spindle bearing yoke mount supports the rear axle housing and spindle, ensuring proper wheel alignment and suspension movement. A failing or worn part can lead to handling issues, tire wear, or even axle misalignment, so replacing it restores the suspension s intended performance.

6. **Availability of Genuine vs. Reproduction Options**

You can source this part as a **genuine GM replacement** (if available from a reputable dealer) or a **high-quality reproduction** from suppliers like **Eagle, Moroso, or Corvette Restoration Parts**. Reproductions are often more affordable and widely stocked, while genuine parts may be harder to find but offer peace of mind.

7. **Preventative Maintenance**

Replacing worn components before they fail is a key aspect of suspension maintenance. This part is prone to wear over time due to constant stress from weight and suspension movement, so proactively replacing it can avoid more costly repairs down the line.

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### **Cons of Buying This Part**

1. **Cost**

Genuine GM parts for older vehicles can be expensive, especially if sourced through official dealers or salvage yards. Reproduction parts are more budget-friendly but may vary in quality. Prices can range from **$100 $300 **, depending on the supplier and condition.

2. **Potential for Counterfeit or Low-Quality Reproductions**

The aftermarket for C3 parts is flooded with knockoffs, especially on platforms like eBay or Facebook Marketplace. Low-quality reproductions may have **poor welds, thin metal, or incorrect machining**, leading to premature failure or improper fitment. Always verify the supplier s reputation and material quality.

3. **Difficulty Finding Genuine Parts**

Original GM parts for the C3 are no longer in production, and salvage yards may not always have intact examples. This can make sourcing a genuine part time-consuming or require purchasing from a specialist dealer, which may increase costs.

4. **Wear on Related Components**

If the trailing arm spindle bearing yoke mount is failing, other suspension parts (such as the **trailing arm bushings, spindle bearings, or axle housing**) may also be worn. Replacing just this part may not fully resolve suspension issues, requiring additional diagnostics or repairs.

5. **Installation Challenges**

While the part itself is simple, installation can be tricky if the surrounding components (e.g., bolts, bushings, or mounting points) are corroded or stripped. This may require **cleaning, lubrication, or replacement of adjacent parts**, adding to labor time and cost.

6. **Limited Customization**

Unlike modern aftermarket parts, this component is not designed for performance tuning (e.g., stiffer mounts or adjustable geometry). If you re looking to modify suspension behavior, you ll need to explore other solutions (e.g., poly bushings, sway bar links).

7. **Storage and Handling Risks**

Cast aluminum parts like this are susceptible to **dents, cracks, or corrosion** if not handled carefully during shipping or storage. Inspect the part thoroughly upon receipt for any damage that could compromise its function.

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### **Conclusion**

Buying a **GM 348104 rear trailing arm spindle bearing yoke mount** for your 1975 1982 C3 Corvette is a **sound investment** if you prioritize **authenticity, reliability, and long-term suspension integrity**. The part is critical for proper rear-wheel alignment and handling, and replacing it prevents more severe issues like axle binding or tire wear.

However, the **cost, availability of genuine parts, and risk of counterfeit reproductions** are valid concerns. If you re working on a **restoration project**, the benefits of using an original-spec part outweigh the drawbacks. For a **daily driver or budget repair**, a **high-quality reproduction** from a trusted supplier is a practical alternative.

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### **Recommendation**

- **Purchase a genuine GM part** if available from a reputable dealer (e.g., **Corvette Restoration Parts, Moroso, or a trusted salvage yard**).

- If genuine parts are unavailable, opt for a **high-quality reproduction** (e.g., **Eagle, Moroso, or Corvette Specialties**) with a **warranty** and **positive reviews**.

- **Inspect the part thoroughly** for cracks, corrosion, or machining defects before installation.

- Choose a **reproduction part** from a well-known supplier (avoid unknown sellers on general marketplaces).

- **Check for return policies or warranties** in case of fitment or quality issues.

- **Inspect adjacent suspension components** (bushings, bolts, spindle bearings) during installation to ensure a complete repair.

- **Specialty Corvette suppliers:** Moroso, Corvette Restoration Parts, Eagle, or Corvette Specialties.

- **Salvage yards:** For genuine parts (if available), but verify the part s condition.

- **Online marketplaces:** eBay, Facebook Marketplace, or RockAuto (with caution prioritize sellers with good ratings).

- **Clean all mounting surfaces** and **replace any stripped or corroded bolts**.

- **Lubricate bushings** (if applicable) with anti-seize compound or grease.

- **Follow torque specifications** to avoid over-tightening.

- **Test drive and inspect** for proper alignment and handling after installation.

By carefully selecting a **high-quality part** and ensuring proper installation, you ll maintain your C3 s suspension performance and longevity.

Details:

This may fit other years and model's as well. Model: CORVETTE 1980. Right - Rear. Odometer:999999 Miles.

Please review the images and ask questions prior to buying. Part Comments: RH REAR SPINDLE SUPPORT Condition: The spindle is not damaged or heavily worn. 1975 - 1982 Chevrolet Corvette.

part #: 348104 prices

• $149.00-$399.00

specifications tirolik:

• for models: C3, Corvette
• brand: Gm
• mpn: 348104
• type: Spindle Bearing Support
• placement on vehicle: Right Rear

general tirolik:

• Car Truck Parts Accessories > Steering Suspension > Tie Rods Steering Linkages
• condition: Used

seller tirolik:

• # reviews: 6547
• city: Fulton, New York
• rating: 100.0%

offer tirolik:

• quantity: 1
• options: Ship-to-home
• started: June 12, 2026
• sold: 0
• availability: In Stock

shipping tirolik:

• service: UPS Ground
• cost: $38.19
• class: Standard
• transit: 12-18 Days
• type: Calculated
• carrier: UPS

returns tirolik:

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

payments tirolik:

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

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