15.89 EUR
Lemförder 38012 01 Suspension Arm
Installation:; Rear Axle on both sides For item number: 33293 01; 34646 01Manufacturer's part number: 38012 01
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Lemförder 38012 01 Suspension Arm – An In‑Depth Look
The Lemforder 38012 01 Suspension Arm is a high‑performance component engineered for the rear suspension of Mercedes‑Benz vehicles, particularly the C‑Class and E‑Class models. Designed to replace or upgrade original equipment, this arm delivers superior durability, precise geometry, and improved handling characteristics.
Design Excellence
At its core, the 38012 01 is a steel suspension arm crafted from premium alloy steel. The material selection ensures a balance between strength and weight reduction, contributing to better ride quality and reduced unsprung mass. Its cross‑sectional profile incorporates a tapered design, which optimizes load distribution across the entire length of the arm.
The arm features a precision machined mounting interface. The bolt holes are drilled with high tolerance, allowing for accurate alignment during installation. This precision is critical in maintaining the vehicle’s suspension geometry and preventing premature wear on other components such as bushings and control arms.
Compatibility & Application
The 38012 01 is specifically engineered for:
- Mercedes‑Benz C‑Class (W204, S204) – rear suspension kit
- Mercedes‑Benz E‑Class (W212) – rear suspension kit
- Other Mercedes‑Benz models with similar rear axle configurations, as indicated by the part number series.
It is available in both single‑side and dual‑side kits. The dual‑side configuration includes two arms (left and right) along with all necessary mounting hardware, ensuring a balanced suspension setup.
Installation Process
Installing the 38012 01 is straightforward for technicians familiar with rear suspension work:
- Remove the existing arm: Detach the old suspension arm by loosening the mounting bolts and carefully disconnecting any associated bushings or linkages.
- Align the new arm: Position the 38012 01 in place, ensuring that the bolt holes match the original mounting points. Use a torque wrench to tighten bolts to the manufacturer’s specified values.
- Reinstall ancillary components: Reattach any bushings, control arms, or sway bar links that were removed during disassembly.
- Verify alignment: After installation, perform a wheel alignment check to confirm that suspension geometry remains within factory specifications.
Because the arm is engineered for exact fitment, no additional modifications or custom machining are required. This simplifies the repair process and reduces labor time.
Performance Advantages
- Enhanced Handling: The precise geometry of the 38012 01 improves steering response, especially during cornering maneuvers. Drivers will notice a more stable feel at higher speeds.
- Reduced Wear on Suspension Bushings: By maintaining proper alignment, the arm reduces uneven loading on bushings and other suspension components, extending their service life.
- Improved Ride Comfort: The reduced unsprung mass contributes to a smoother ride over rough road surfaces. This is particularly noticeable in long‑distance driving scenarios.
- Durability Under Stress: The alloy steel construction resists fatigue and corrosion, making it suitable for both everyday use and more demanding driving conditions.
Maintenance Tips
While the 38012 01 is designed to be low‑maintenance, regular inspections can help catch potential issues early:
- Check bolt torque: Periodically verify that mounting bolts remain at the correct torque specification. Loose bolts can lead to misalignment.
- Inspect for corrosion: Look for signs of rust or pitting, especially in vehicles exposed to road salt or harsh climates.
- Monitor suspension bushings: Even with a new arm, worn bushings can still affect handling. Replace them if they show excessive play or noise.
- Perform wheel alignment: After any major repair or after several thousand miles, an alignment check ensures that the vehicle’s geometry remains optimal.
Technical Specifications
| Feature | Description |
|---|---|
| Part Number | 38012 01 |
| Material | Alloy Steel (High‑Strength) |
| Application | Rear Suspension – Mercedes‑Benz C‑Class, E‑Class |
| Configuration | Single‑Side / Dual‑Side Kit |
| Mounting Interface | Precision Machined Bolt Holes (Standard Torque) |
| Weight Reduction | Optimized Tapered Profile |
| Durability | Corrosion‑Resistant Finish |
| Installation Time | Approx. 30–45 minutes per side (with standard tools) |
Conclusion
The Lemforder 38012 01 Suspension Arm exemplifies engineering precision and performance reliability. Whether you’re restoring a classic Mercedes‑Benz or upgrading the rear suspension of a modern model, this component delivers tangible benefits in handling, durability, and ride quality. Its straightforward installation process and compatibility with both single‑side and dual‑side configurations make it an ideal choice for automotive technicians and enthusiasts alike.
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| Identifiers | |
| Brand |  Lemförder is a German automotive parts manufacturer that produces suspension components, steering systems, and other related parts. The company has a long history dating back to the early 1900s, and today is a leading supplier of parts to the automotive industry. Lemförder parts are found in vehicles from a wide range of manufacturers, and the company is known for its high quality and durability. |
| Model | Lemförder 38012 01 |
| MPN | Lemförder 38012 01 |
| ID | 7056103 |
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