fits make: Infiniti. year: 2011–2019.

( Conditions Options: 4dr, Silv ), ( Genuine Oem: Yes ), ( Ipn: 198-51131r ), ( Placement: Passenger/right )
The **Infiniti I98-51131R Passenger Right Center Pillar Side Window Regulator (SWB, 2014 2019, Q70)** is a precision-engineered component designed exclusively for the luxury-oriented Infiniti Q70 sedan, specifically the rear passenger-side center pillar window mechanism. This high-performance regulator is crafted to ensure seamless, quiet, and reliable operation of the rear quarter window, delivering both functionality and a refined driving experience. Built with Infiniti s signature blend of durability and sophistication, this part integrates a robust motorized drive system paired with a corrosion-resistant track assembly, ensuring smooth movement even under demanding conditions. The regulator features a sealed, dust-proof mechanism to prevent debris ingress, which is critical for maintaining the vehicle s premium interior quality over time. Compatible with the **2014 through 2019 model years** of the Q70 in its **short-wheelbase (SWB)** configuration, this component is engineered to meet the exacting standards of Infiniti s Q platform, offering a perfect fit with minimal clearance or interference. Whether addressing a malfunctioning window, replacing a worn-out regulator, or upgrading for enhanced performance, this part is a direct, OEM-quality solution that restores the window s precision control, eliminates rattles, and preserves the vehicle s aesthetic and functional integrity. Ideal for professional technicians and discerning owners alike, the **I98-51131R** ensures a seamless installation process with minimal effort, backed by Infiniti s commitment to quality and longevity.
### **Pros and Cons of buying a Infiniti Q70 (Model Years 2014 2019) with Part Number 198-51131R (Passenger Side Right Center Pillar SWB)**
#### **Overview of the Part**
The **198-51131R** is the **passenger-side right center pillar trim** for the **Infiniti Q70 (SWB, 2014 2019)**. This part is typically required for repairs involving **dents, cracks, rust, or replacement due to accidents**. The Q70 is a luxury sedan based on the Nissan GT-R platform, known for its performance, comfort, and premium features.
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### **Pros of Buying This Part**
1. **High-Quality Material and Fit**
- Infiniti uses **high-grade steel and premium trim materials** in the Q70, ensuring a **tight fit and durable finish**.
- The center pillar is often **powder-coated or painted to match**, providing a **consistent aesthetic** with the rest of the vehicle.
2. **Aftermarket Availability**
- This part is **widely available** from **OEM (Original Equipment Manufacturer) suppliers, third-party auto parts stores (RockAuto, J&P Cycles, etc.), and salvage yards**.
- Many **direct-from-factory replacements** are available, reducing the risk of poor-quality knockoffs.
3. **Compatibility with Performance Modifications**
- Since the Q70 shares components with the **Nissan GT-R**, some aftermarket parts (like reinforced pillars for roll cages) may be compatible.
- If you plan **track modifications**, a high-quality pillar trim ensures **structural integrity** while maintaining aesthetics.
4. **Resale Value and Luxury Appeal**
- The Q70 retains a **strong resale value** due to its **premium branding, V6 or V8 engine options, and tech features**.
- Replacing damaged trim with an **OEM or high-quality aftermarket part** helps **maintain the vehicle s luxury appearance**, which can be beneficial if you plan to sell later.
5. **Ease of Installation**
- The center pillar is **relatively straightforward to replace** compared to other body panels, as it is **bolted and clipped in place** rather than welded.
- Many **DIY mechanics** can install it with basic tools, though **professional help may be needed for perfect alignment and paint matching**.
6. **Warranty and Reliability**
- If purchased from a **reputable supplier (e.g., RockAuto, eBay Motors, or an authorized Infiniti dealer)**, the part may come with a **limited warranty**.
- Infiniti s **build quality** generally ensures that the replacement will **last as long as the original**.
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### **Cons of Buying This Part**
1. **Cost Compared to Aftermarket Alternatives**
- **OEM parts can be expensive**, often **2 3 times the price of aftermarket equivalents**.
- Example: A **new OEM Infiniti Q70 center pillar trim** may cost **$300 $600**, while a **high-quality aftermarket part** could be **$100 $200**.
2. **Potential for Counterfeit or Low-Quality Parts**
- Some **eBay, Amazon, or unknown suppliers** sell **fake or poorly made replicas** that may **not fit properly, rust quickly, or look cheap**.
- Always **verify the seller s reputation** and **check for authenticity** (e.g., matching part numbers, supplier reviews).
3. **Paint Matching Challenges**
- If the part is **pre-painted**, ensuring a **perfect color match** can be difficult, especially if the vehicle has been repainted.
- Some buyers opt for **unpainted blanks**, which require **professional spray painting**, adding **$100 $300 ** in labor and materials.
4. **Weight Considerations**
- The Q70 s **center pillar is structural**, meaning a **heavy or poorly balanced replacement** could affect **ride quality or handling** (though this is rare with OEM parts).
- Aftermarket **lightweight alternatives** (e.g., aluminum) may not be available for this specific trim piece.
5. **Potential for Rust or Hidden Damage**
- If purchasing a **used/salvage part**, there is a risk of **hidden rust, dents, or weak spots** that could lead to **future corrosion or structural issues**.
- Always **inspect the part closely** before buying, especially if sourced from a **salvage yard**.
6. **Limited Customization Options**
- Unlike some aftermarket body kits, the **Q70 s center pillar trim is not designed for aggressive modifications** (e.g., aggressive lines, carbon fiber).
- If you want **unique styling**, you may need to **custom paint or modify** the part, which adds **time and cost**.
7. **Dealer vs. Independent Installer Costs**
- While the part itself may be affordable, **professional installation at a dealership** can be **expensive ($200 $500 )** due to labor rates.
- Independent body shops may charge **less**, but quality varies **research the shop s reputation** before proceeding.
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### **Conclusion**
Buying the **Infiniti Q70 (2014 2019) passenger-side right center pillar trim (198-51131R)** is a **wise investment** if you prioritize **quality, longevity, and resale value**. The part is **well-engineered, widely available, and relatively easy to install**, making it a **reliable choice for repairs or restorations**.
However, the **higher cost of OEM parts** and the **risk of counterfeit aftermarket options** mean you should **compare prices, verify suppliers, and consider paint-matching needs** before purchasing. If you re on a **tight budget**, a **high-quality aftermarket part** can be a **cost-effective alternative**, though it may lack the **exact fit and finish** of an OEM component.
For **performance enthusiasts**, this part is **essential for maintaining structural integrity**, especially if the vehicle is modified for **track use**. For **luxury maintenance**, it ensures the Q70 retains its **premium appearance**.
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### **Recommendation**
1. **Best Option for Most Buyers:**- **Purchase from a reputable aftermarket supplier (RockAuto, J&P Cycles, or eBay Motors with verified sellers)** for a **balanced cost-quality ratio**.
- **Check for unpainted blanks** if you plan to **custom paint** for a **perfect match**.
- **Get a professional installation** if you re unsure about **alignment or paint matching**.
2. **Best Option for OEM Quality & Warranty:**- **Buy directly from an Infiniti dealer or an authorized OEM parts distributor** (e.g., **Nissan Parts America**).
- **Expect to pay more**, but this ensures **authenticity, durability, and warranty coverage**.
3. **Budget-Friendly Alternative:**- If the part is **only for cosmetic repair**, consider a **high-end aftermarket trim** (e.g., **ABS, Dymag, or local body shops** that specialize in Infiniti/Nissan).
- **Avoid cheap knockoffs** they often **rust quickly or don t fit properly**.
4. **Installation Tips:**- If **DIY-ing**, **take photos before removal** for **reference during reinstallation**.
- **Use body filler and sanding** if the part doesn t align perfectly.
- **Professional paint matching** is worth the cost if you want a **factory-like finish**.
### **Final Verdict:**The **198-51131R center pillar trim is a solid, high-quality part** that **enhances both the function and appearance** of the Q70. **Prioritize reputable suppliers, consider paint-matching needs, and weigh the cost vs. quality** before deciding between **OEM and aftermarket**. For most owners, a **well-sourced aftermarket part** provides the **best value**, while **OEM remains the safest choice** for those who want **long-term reliability and resale appeal**.
INFINITI Q70 14 R. INFINITI Q70 15-19 SWB, R. INFINITI M37 11-13 R. INFINITI M56 11-13 R.