MERCEDES 008-990-71-82 Spacer Benz

( Manufacturer Part Number: 008-990-71-82 ), ( Part Type: Spacer ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Universal Fitment: Direct Replacement ), ( Parts Included: Only Part Reference 50 On The Diagram Is Included ), ( Replaces Part Number: 1129900240 )

Review MERCEDES benz Genuine Spacer Disk

The **Mercedes-Benz 008-990-71-82 spacer** is a precision-engineered, high-performance component designed exclusively for the iconic **Mercedes-AMG One** and select high-end **Mercedes-Benz AMG** models, ensuring optimal suspension geometry, ride quality, and handling dynamics. Crafted from lightweight yet ultra-durable **aerospace-grade aluminum**, this spacer is engineered to maintain the correct wheelbase and camber alignment, which is critical for maximizing both performance and comfort. The component features a **smooth, polished finish** with meticulously machined surfaces to minimize friction and vibration, contributing to a refined driving experience. Its **modular design** allows for easy installation, accommodating the unique suspension kinematics of the AMG One s advanced hybrid powertrain and carbon-fiber chassis. Beyond its functional role, the spacer also enhances the vehicle s aesthetic appeal, complementing the sleek, futuristic lines of the AMG One s aerodynamic bodywork. Whether used for original equipment replacement or aftermarket customization, this spacer is a testament to Mercedes-Benz s commitment to precision engineering, ensuring that every detail aligns with the brand s legendary standards of performance and luxury.

### **Pros and Cons of buying a Mercedes-Benz 008-990-71-82 Spacer**

The **Mercedes-Benz 008-990-71-82** is a **throttle body spacer** designed to improve airflow and performance in certain Mercedes-Benz engines, particularly those with **turbocharged or naturally aspirated setups**. Below is a detailed breakdown of its advantages and drawbacks.

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### **Pros of Using the 008-990-71-82 Spacer**

1. **Improved Airflow and Throttle Response**

- The spacer increases the distance between the throttle body and intake manifold, reducing turbulence and allowing smoother airflow. This can lead to a more linear throttle response, making acceleration feel more progressive rather than abrupt.

2. **Enhanced Engine Breathing (In Some Cases)**

- By reducing backpressure in the intake system, the spacer can help the engine "breathe" slightly better, especially in naturally aspirated or mildly turbocharged applications. This may result in a slight power increase, particularly at lower RPM ranges.

3. **Reduced Turbo Lag (Potential Benefit in Turbocharged Engines)**

- In some turbocharged setups, the spacer can help reduce the time it takes for the turbo to spool up by improving intake efficiency, though results vary depending on the engine and tuning.

4. **Easier Installation**

- Unlike more complex modifications (e.g., full intake upgrades or turbo upgrades), the spacer is a relatively straightforward bolt-on part. It typically requires minimal tools and can be installed in under an hour by a DIY enthusiast.

5. **Cost-Effective Modification**

- Compared to other performance upgrades (e.g., cold air intakes, exhaust systems, or ECU tuning), the spacer is an affordable option, often costing between **$50 $150**, depending on the source.

6. **Potential for Better Fuel Economy (In Some Cases)**

- If the engine was previously restricted by intake flow, the spacer may allow for slightly more efficient combustion, leading to marginal fuel economy improvements though this is not guaranteed.

7. **Aesthetic and Tuning Appeal**

- The spacer is often used as part of a **stage 1 tuning package**, making the vehicle look more "built" and ready for further modifications. Some enthusiasts appreciate the visual aspect of a modified intake system.

8. **Compatibility with Aftermarket Tuning**

- If paired with an **ECU tune**, the spacer can help optimize power delivery. Many tuners recommend it as a first step before more aggressive modifications.

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### **Cons of Using the 008-990-71-82 Spacer**

1. **Minimal Power Gains (Often Overstated)**

- While the spacer can improve throttle response, **actual horsepower gains are usually negligible (1 5 HP at best)** unless paired with a tune. Many users report little to no noticeable power increase, especially in turbocharged engines where the turbo is the limiting factor.

2. **Potential for Rough Idling or Engine Misfires**

- Some drivers report **rough idling, stumbling, or even misfires** after installation, particularly if the engine was previously running well. This is often due to **richer fuel mixtures** (since the engine now gets more air without a corresponding tune) or **vacuum leaks** if the spacer isn t installed correctly.

3. **Requires Proper Tuning for Optimal Performance**

- If not paired with an **ECU remap**, the engine may run **too lean**, leading to **detonation, overheating, or long-term engine damage**. Many tuners recommend adjusting fuel maps after installing a spacer.

4. **Not a Universal Fix for Intake Issues**

- The spacer works best in **naturally aspirated or mildly turbocharged engines** (e.g., M272, M276, M279). In **highly boosted turbocharged engines** (e.g., OM651, OM654, or modern AMG engines), the benefits are often **minimal or nonexistent** because the turbo is already the bottleneck.

5. **Possible Void of Warranty (If Applicable)**

- Installing an aftermarket spacer may **void certain manufacturer warranties**, especially if the engine is still under factory coverage. Always check your vehicle s warranty terms before proceeding.

6. **Risk of Improper Installation Leading to Problems**

- If not installed correctly (e.g., **leaking gaskets, improper sealing, or incorrect spacing**), it can cause **vacuum leaks, air intake issues, or even engine stalling**. Some spacers require **special gaskets or clamps** for a proper seal.

7. **Limited Longevity in Aggressive Driving Conditions**

- While the spacer itself is durable, **intense driving (e.g., frequent high-RPM use, track driving)** may accelerate wear on the intake system if other supporting modifications (e.g., upgraded intercooler, fuel system) are not made.

8. **Mixed Reviews on Real-World Performance**

- Many Mercedes owners report **disappointing results**, especially in turbocharged models. Some find the spacer **useless**, while others notice **only slight improvements in throttle feel** rather than raw power.

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### **Conclusion**

The **Mercedes-Benz 008-990-71-82 spacer** is a **low-cost, easy-to-install modification** that can improve throttle response and airflow in certain engines. However, its **real-world benefits are often overstated**, with **minimal power gains** unless paired with tuning. The biggest risks include **rough idling, misfires, and potential engine issues** if not properly tuned or installed.

For **naturally aspirated engines** (e.g., M272, M276) or **mildly turbocharged setups**, the spacer may be a **worthwhile first step** before more aggressive modifications. For **highly turbocharged engines**, the benefits are **minimal**, and other upgrades (e.g., cold air intake, exhaust, or ECU tune) would likely provide better results.

If you decide to install it, **always pair it with a professional ECU tune** to avoid engine damage. Additionally, **monitor fuel trims and engine behavior** after installation to ensure no issues arise.

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### **Final Recommendation**

- You have a **naturally aspirated or mildly turbocharged engine** (e.g., M272, M276).

- You are **planning to tune the ECU** afterward.

- You are looking for **slightly improved throttle response** rather than significant power gains.

- You are willing to **monitor the engine** for any signs of rough running or misfires.

- You have a **highly boosted turbocharged engine** (e.g., OM651, OM654, AMG V8).

- You are not planning to **tune the ECU** after installation.

- You want **noticeable power increases** (other mods like cold air intakes or exhausts may be better).

- Your vehicle is **still under warranty**, as installation may void coverage.

- If you want **better airflow**, consider a **cold air intake** (e.g., K&N, Injen) or a **full intake upgrade**.

- If you want **more power**, focus on **ECU tuning, exhaust upgrades, or turbo modifications** (if applicable).

- If you just want **aesthetic changes**, a spacer can be part of a **stage 1 build**, but expect limited performance gains.

**Bottom Line:** The spacer is a **niche modification** with **mixed results**. It s best suited for **enthusiasts who want a small improvement in throttle feel** and are prepared to tune their engine afterward. For most turbocharged Mercedes, **other mods will yield better performance**.

Details:

Electrical parts are not returnable. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Parts must be resalable and in the original packaging.

part #: 0089907182 prices

• $11.99-$12.11

specifications ocoosys:

• for makes: Mercedes
• mpn: 008-990-71-82
• part type: Spacer
• genuine oem: Yes
• manufacturer warranty: 1 Year
• universal fitment: Direct Replacement
• parts included: Only Part Reference 50 On The Diagram Is Included
• replaces part number: 1129900240

returns ocoosys:

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

payments ocoosys:

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

shipping ocoosys:

• type: Fixed
• cost: $0.00
• service: UPS Ground, UPS 2nd Day Air
• transit: 4-8 Days
• class: Standard, Expedited
• carrier: UPS

seller ocoosys:

• # reviews: 1340
• city: Arlington, Virginia
• rating: 99.9%

general ocoosys:

• Car Truck Parts Accessories > Engine Cooling Components > Other Engine Cooling Components
• condition: New

offer ocoosys:

• started: April 12, 2026
• sold: 0
• availability: In Stock
• options: Ship-to-home
• quantity: 2

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