PORSCHE 98633370120 Rear Anti Sway Stabilizer Bar 98633370121

( Manufacturer Part Number: 98633370120 ), ( Part Type: Stabilizer Bar ), ( Ipn: 98633370121 )

Review PORSCHE Rear Anti Sway Stabilizer Bar fits BOXSTER 1997–2004

The **Porsche 986 Boxster Rear Anti-Sway Stabilizer Bar (Part Number: 98633370120, Model Years: 1997 2004)** is a precision-engineered suspension component designed to enhance the handling dynamics and stability of the iconic 986-generation Boxster. This aftermarket stabilizer bar is a direct replacement for the factory unit, meticulously crafted to match the original specifications in terms of material, geometry, and mounting points, ensuring seamless integration into the vehicle s suspension system. Constructed from high-grade, heat-treated steel, the bar is built to withstand the rigorous demands of spirited driving while maintaining structural integrity under heavy cornering forces. Its robust construction minimizes lateral body roll, particularly during aggressive maneuvers, thereby improving road-hugging precision and reducing body lean critical for drivers seeking a more engaged and responsive driving experience. The stabilizer bar features a dual-tube design with reinforced bushings, which are engineered to reduce friction and wear over time, extending the component s lifespan and maintaining consistent performance. Whether navigating tight corners at high speeds or tackling uneven road surfaces, this stabilizer bar delivers a noticeable improvement in stability, making it an ideal upgrade for enthusiasts looking to refine their Boxster s cornering behavior without compromising comfort or ride quality. Perfect for both showroom-fresh and well-loved 986 models, this part is a straightforward yet impactful modification that bridges the gap between stock handling and more advanced suspension tuning.

### **Pros and Cons of Buying a Porsche 986 Boxster Rear Anti-Sway Stabilizer Bar (97-04)**

1. **Improved Handling Stability** The rear stabilizer bar helps reduce body roll during cornering, making the Boxster feel more planted and responsive, especially at higher speeds or on uneven roads.

2. **Enhanced Driving Dynamics** A properly installed stabilizer bar can reduce understeer (where the rear end pushes out) and improve overall traction, particularly in aggressive driving scenarios.

3. **Compatibility with Aftermarket Modifications** If you ve added performance upgrades (e.g., stiffer suspension, wider tires, or a lowered suspension), a rear stabilizer bar can help mitigate unwanted body movement caused by these changes.

4. **Potential for DIY Installation** While some Porsche parts require professional installation, stabilizer bars are relatively straightforward to fit, especially if you have basic mechanical experience.

5. **Cost-Effective Upgrade** Compared to full suspension overhauls or high-end performance parts, a stabilizer bar is a relatively inexpensive way to improve handling without major modifications.

6. **OEM Replacement Option** If your original stabilizer bar is worn or damaged, replacing it with an OEM or high-quality aftermarket part restores factory-intended handling characteristics.

7. **Durability** High-quality stabilizer bars (especially those from reputable brands like Porsche, Eibach, or Bilstein) are built to last, reducing the risk of premature failure.

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1. **Limited Impact on Overall Handling** While the rear stabilizer bar helps with body roll, it does not address other suspension issues (e.g., worn shocks, bushings, or control arms). If the rest of the suspension is degraded, improvements will be minimal.

2. **Potential for Over-Tightening** If installed incorrectly (e.g., with excessive torque or wrong-end mounting), the bar can cause excessive tire wear, uneven handling, or even damage to the suspension components.

3. **Weight Addition** A stabilizer bar adds slight weight to the rear of the car, which may marginally affect acceleration or fuel efficiency in a vehicle like the Boxster, where weight distribution is already optimized.

4. **Compatibility Issues with Non-Stock Setups** If your Boxster has been heavily modified (e.g., lowered by more than 1-2 inches, with aggressive camber settings, or non-OEM wheels), a standard stabilizer bar may not provide the intended benefits or could even cause handling issues.

5. **Cost of High-Quality Parts** While not extremely expensive, premium aftermarket stabilizer bars (e.g., Eibach Pro-Kit or Bilstein B14) can cost **$200 $400**, which may be a significant investment for a component with limited standalone impact.

6. **Installation Complexity** Unlike simpler parts, a stabilizer bar requires precise alignment and torque specifications. Improper installation can lead to binding, excessive stress on suspension components, or even damage to the subframe.

7. **Mixed Results with Soft Suspensions** The 986 Boxster s stock suspension is already relatively soft and forgiving. A stiff stabilizer bar may make the ride feel harsher on rough roads without significantly improving performance for casual driving.

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A rear stabilizer bar for a **Porsche 986 Boxster (1997 2004)** is a **niche but worthwhile upgrade** for drivers who prioritize handling precision over comfort. It excels in scenarios where body roll is a concern such as track days, aggressive cornering, or when paired with other performance modifications. However, it is **not a miracle fix** for worn suspension systems and should be considered as part of a broader handling upgrade rather than a standalone solution.

For **daily drivers** who value comfort and smoothness, the benefits may not justify the cost. For **enthusiasts** who enjoy spirited driving or have already invested in suspension upgrades, a high-quality stabilizer bar can provide noticeable improvements in stability and feedback.

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- You ve already upgraded other suspension components (e.g., shocks, bushings, or springs) and want to refine handling.

- You frequently drive at higher speeds or on twisty roads where body roll is noticeable.

- You re comfortable with a slightly firmer ride and want to enhance the Boxster s sporty character.

- You re replacing a worn or damaged OEM bar to restore factory handling.

- Your suspension is degraded (e.g., sagging shocks, broken bushings), as the stabilizer bar alone won t compensate.

- You prioritize comfort over performance and rarely push the car hard.

- You re on a tight budget, as the cost-to-benefit ratio may not be compelling for casual use.

- You ve made extreme modifications (e.g., aggressive lowering, non-OEM wheels) that conflict with stock stabilizer bar behavior.

- **OEM Replacement (Porsche Part # 33370120120)** If your original bar is failing, this is the safest and most reliable option.

- **Aftermarket (Eibach Pro-Kit or Bilstein B14)** If you want a stiffer feel, these brands offer high-quality, durable bars that enhance handling without excessive harshness.

- If not experienced with suspension work, have a **Porsche specialist or reputable mechanic** install it to ensure proper alignment and torque settings.

- Consider pairing it with a **front stabilizer bar upgrade** (if stock) for balanced handling improvements.

Details:

part #: 98633370120 prices

• $64.17-$174.99

specifications swabasus:

• for models: Boxster
• for makes: Porsche
• for years: 1997-2004
• mpn: 98633370120
• part type: Stabilizer Bar
• ipn: 98633370121

offer swabasus:

• availability: In Stock
• sold: 0
• quantity: 1
• options: Ship-to-home
• started: May 14, 2026

payments swabasus:

• wallet: Paypal
• other
• credit card: Diners-club

shipping swabasus:

• class: Standard
• transit: 4-8 Days
• type: Fixed
• cost: $35.00
• service: Standard

seller swabasus:

• city: Medford, New Jersey
• # reviews: 1442
• rating: 100.0%

returns swabasus:

• policy: No Returns

general swabasus:

• condition: Used
• Car Truck Parts Accessories > Steering Suspension > Sway Bars, Links Bushings

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