INFINITI 88615-4HK0A Rear Left Right Seat Cushion Bolster Q50 LOT2724

( Manufacturer Part Number: 88615-4HK0A ), ( Part Type: Seat Cushion ), ( Oe/oem Part Number: Oem ), ( Color: Black ), ( Country Of Origin: Japan ), ( Placement On Vehicle: Driver Side, Left, Passenger Side, Rear, Right )

Review INFINITI Q50 Rear Left And Right Side Seat Cushion Bolster Oem Lot2724 fits 2017–2024

The **Infiniti Q50 Rear Seat Cushion Bolster (Part Number: 88615-4HK0A, Lot 2724, Covering Model Years 2017 2024)** is a high-quality, factory-original seat component designed to ensure optimal comfort, durability, and structural integrity for the rear passenger seating area of select Infiniti Q50 models. Crafted from premium materials, this bolster is engineered to maintain the seat s alignment, providing consistent support and preventing premature wear on the underlying cushioning system. The bolster serves as a critical reinforcement element, helping to distribute weight evenly across the seat frame while enhancing the overall ergonomic experience for rear occupants. Its precise fitment ensures seamless integration with the existing seat assembly, minimizing gaps and maintaining the vehicle s intended ride quality. Whether used for routine maintenance, accident repairs, or customization projects, this part is ideal for professionals and enthusiasts seeking genuine OEM performance. Available in a clean, undamaged condition from Lot 2724, it guarantees reliability and compatibility with the 2017 through 2024 Q50 s rear seating architecture, ensuring a professional-grade replacement that meets Infiniti s exacting standards.

### **Pros and Cons of Buying a Used Infiniti Q50 Rear Seat Cushion Bolster (Part Number: 88615-4HK0A, Fits 2017-2024 Models, Lot2724)**

1. **OEM Quality and Fit** This is an original equipment manufacturer (OEM) part, meaning it is designed to match the exact specifications of your Infiniti Q50. It should fit perfectly without modifications, ensuring proper support and comfort for rear passengers.

2. **Durability** Infiniti parts are generally built to last, and this bolster is likely made from high-quality materials like foam and fabric or leather, depending on your vehicle s trim level. A well-maintained part should provide long-term comfort.

3. **Improved Comfort and Support** The bolster adds extra lumbar support to the rear seats, which can be beneficial for long drives, reducing fatigue, and improving posture. This is particularly useful for taller passengers or those who prefer a firmer seat.

4. **Easy Installation** As a direct replacement part, it should be relatively straightforward to install, especially if you have basic mechanical skills or access to a mechanic. Most bolsters attach via clips, screws, or adhesive backing, depending on the model.

5. **Compatibility with Multiple Years** Since this part fits 2017-2024 Q50 models, it offers flexibility if you re unsure about the exact year of your vehicle or if you plan to keep the car for several years.

6. **Potential Resale Value** If you later decide to sell the car, having OEM parts installed can make it more appealing to buyers who prefer factory specifications.

7. **Warranty Coverage** If purchased from a reputable dealer or online retailer, this part may come with a warranty, providing peace of mind against defects.

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1. **Cost** OEM parts are typically more expensive than aftermarket alternatives. While this part is a single component, the price may still be higher than generic or third-party bolsters, which could offer similar functionality at a lower cost.

2. **Limited Availability** OEM parts may not always be in stock, especially if the vehicle model is newer. You may need to order it, which could result in shipping delays.

3. **Potential for Counterfeit Parts** If buying from an unverified seller (e.g., eBay, Facebook Marketplace, or unlicensed online stores), there is a risk of receiving a counterfeit or low-quality part that doesn t fit or function as intended. Always verify the seller s reputation and part authenticity.

4. **Installation Challenges** While the part is designed for easy installation, some users may find it tricky, especially if they lack experience with automotive repairs. Improper installation could lead to discomfort or even damage to the seat mechanism.

5. **Compatibility with Aftermarket Seats** If your rear seats are aftermarket or modified, this OEM bolster may not fit correctly. Always double-check compatibility before purchasing.

6. **Maintenance Requirements** Over time, the bolster may wear out, especially if exposed to frequent use or harsh conditions (e.g., spills, sunlight, or extreme temperatures). You may need to replace it again in the future.

7. **Alternative Solutions Exist** For some users, aftermarket seat cushions or lumbar supports (e.g., memory foam or adjustable bolsters) may offer more customization at a lower cost. If you re open to alternatives, these could be worth considering.

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Buying this **Infiniti Q50 rear seat cushion bolster (88615-4HK0A)** is a solid choice if you prioritize **OEM quality, long-term durability, and a perfect fit** for your vehicle. It s particularly beneficial if you frequently drive long distances or if your rear seats lack adequate lumbar support. However, the **higher cost and potential availability issues** (especially for newer models) are drawbacks to consider.

If you re on a budget or open to alternatives, aftermarket bolsters or seat cushions might offer similar benefits at a lower price. That said, for those who value **factory specifications and reliability**, this part is a reliable upgrade.

- **Buy from a trusted source** (Infiniti dealership, authorized online retailers like RockAuto, or reputable eBay sellers with positive feedback) to avoid counterfeit parts.

- **Verify compatibility** with your exact Q50 model year and trim to ensure the part fits without issues.

- **Consider DIY installation** if you re comfortable with basic automotive repairs, or have a mechanic install it to ensure proper fitment.

- **Compare prices** with aftermarket options if cost is a major concern, but weigh the trade-off in quality and longevity.

- **Check for warranties** to protect your purchase in case of defects.

**Final Verdict:** If you need a **direct, high-quality replacement** for your Q50 s rear seat bolster and can afford the cost, this OEM part is a worthwhile investment. For budget-conscious buyers, explore aftermarket alternatives first.

Details:

Exterior Color: Silver. Item# 125, Vehicle Info:Year: 2017. This Is An OEM Rear Seat Cushion Bolster Set For A 2017 2024 Infiniti Q50 Red Sport 4 item is in GOOD used condition. Interior Color: Black.

Body Style: Sedan. Mileage: 72,472. Trim: Red Sport 400. Transmission: Automatic.

Brand: Infiniti.

part #: 886154hk0a prices

• $99.00-$180.00

specifications seainterio:

• for makes: Infiniti
• for years: 2017-2024
• mpn: 88615-4hk0a
• part type: Seat Cushion
• oe/oem part number: Oem
• color: Black
• country of origin: Japan
• placement on vehicle: Driver Side, Left, Passenger Side, Rear, Right

returns seainterio:

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

offer seainterio:

• sold: 0
• quantity: 1
• started: May 4, 2026
• availability: In Stock
• options: Ship-to-home

general seainterio:

• condition: Used
• Interior Parts Accessories > Seats, Parts Accessories > Seats

seller seainterio:

• rating: 99.3%
• # reviews: 3207
• city: High Point, North Carolina

payments seainterio:

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

shipping seainterio:

• class: Economy
• type: Fixed
• cost: $20.00
• service: FedEx Ground Economy
• transit: 3-7 Days
• carrier: FedEx

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