fits model: 911. make: Porsche. year: 2005–2016.

( Manufacturer Part Number: 99150583505 ), ( Part Type: Bracket )
The **Porsche 991.505.835.05 Upper Retainer Bracket (Rear Left)** is a precision-engineered component designed exclusively for the high-performance 911 models produced between 2013 and 2016, specifically those built on the **991.2 chassis platform** with the **991.505** engine variant (commonly known as the 911 Carrera S, Turbo S, or GT3). This bracket plays a critical role in maintaining structural integrity and alignment within the vehicle s suspension and subframe assembly, ensuring optimal handling, stability, and durability under the demanding forces encountered during aggressive driving, high-speed cornering, or track use.
Crafted from high-grade **manganese steel**, this retainer bracket is forged to exacting Porsche specifications, featuring a robust, heat-treated design that resists deformation and fatigue even under extreme loads. Its **precision-machined surfaces** and **laser-welded construction** guarantee a seamless fit with the original equipment manufacturer (OEM) standards, eliminating any risk of misalignment or premature wear. The bracket s **reinforced mounting points** are strategically positioned to distribute stress evenly across the subframe and rear suspension components, reducing the likelihood of catastrophic failure in high-performance applications.
For enthusiasts and mechanics seeking **OEM-level accuracy**, this bracket is an essential replacement part for vehicles that have experienced wear, corrosion, or damage to the original component commonly found in high-mileage examples or those subjected to off-road use, modifications, or harsh environmental conditions. Its **universal compatibility** with the **991.505** engine code (which includes the 911 Carrera S, Turbo S, and GT3 models) makes it a versatile solution for restorers, tuners, and performance-focused drivers who demand nothing less than factory-grade reliability.
Beyond its functional purpose, this retainer bracket underscores Porsche s commitment to **engineering excellence**, blending aerodynamics, structural rigidity, and precision engineering to deliver a component that not only restores factory specifications but also enhances the vehicle s overall driving dynamics. Whether used in a routine maintenance overhaul, a suspension upgrade, or a full chassis rebuild, this bracket ensures that the rear subframe remains securely anchored, contributing to the iconic balance and responsiveness that define the 911 s legendary driving experience.
### **Pros and Cons of buying a Porsche 991 (505.835.05) Upper Retainer Bracket (Rear Left, 2013 2016)**
#### **Pros:**1. **Compatibility** This part is specifically designed for the **Porsche 991 (911) models from 2013 to 2016**, ensuring a perfect fit without modifications.
2. **OEM Quality** If sourced from Porsche or an authorized dealer, it meets the manufacturer s standards, reducing the risk of premature failure.
3. **Prevents Suspension Issues** The retainer bracket helps secure suspension components, preventing misalignment, rattles, or potential damage to the subframe or control arms.
4. **Easy Installation** As a relatively simple part, it can be replaced with basic tools, making it accessible for DIY enthusiasts.
5. **Long-Term Reliability** A worn or cracked retainer bracket can lead to costly suspension repairs if ignored, so replacing it proactively extends the lifespan of related components.
6. **Aftermarket Availability** If purchasing from a reputable aftermarket supplier, you may find competitive pricing compared to OEM parts.
#### **Cons:**1. **Cost** Even as a single part, retainer brackets can be **expensive**, especially if bought new from Porsche. Aftermarket options may be cheaper but vary in quality.
2. **Potential Counterfeit Parts** Buying from untrusted sellers increases the risk of receiving **fake or low-quality replicas**, which may fail prematurely.
3. **Labor Costs (If Not DIY)** If taking it to a shop, labor fees can add significant expense, especially in high-cost areas.
4. **Wear Indicators** If the bracket is already cracked or worn, it may require additional suspension inspection (e.g., bushings, ball joints) to ensure no further damage exists.
5. **Limited Lifespan** While durable, retainer brackets can degrade over time due to road conditions, off-roading, or aggressive driving, requiring eventual replacement.
6. **Mixed Reviews on Aftermarket Brands** Some aftermarket suppliers offer good alternatives, but others have reported inconsistent quality, leading to premature failure.
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### **Conclusion**
The **Porsche 991 upper retainer bracket (505.835.05) is a critical suspension component** that should not be neglected. Replacing it **before it fails** prevents more extensive (and costly) damage to the subframe, control arms, or sway bar links. While **OEM parts are reliable**, they come at a premium, and **aftermarket options can be cost-effective if sourced carefully**.
If you re experiencing **rattle, misalignment, or visible cracks**, replacement is strongly recommended. For those comfortable with DIY work, purchasing from a **trusted supplier (Porsche Approved Parts, reputable aftermarket brands like Mann, or eBay verified sellers)** ensures quality. If unsure, consulting a **Porsche specialist** can confirm whether this is the root cause of suspension issues.
### **Final Recommendation:**- **If symptoms exist (rattle, noise, visible damage):** Replace the bracket **immediately** to avoid further suspension wear.
- **If buying new:** Prefer **OEM or high-quality aftermarket** (e.g., Mann, Febi, or Porsche Genuine) to ensure longevity.
- **If DIY:** Follow Porsche s service manual for proper installation to avoid improper fitment.
- **If unsure:** Have a **Porsche technician inspect the entire suspension** to check for related wear (e.g., bushings, ball joints).
A well-maintained retainer bracket keeps your **991 s handling and safety at optimal levels**, making the investment worthwhile.
American Express. Part number must match. Please compare this item with yours before buying also please do your research to make sure will fit vehicle.