INFINITI 87400-AM500 Front Passenger Seat Rail Track Frame

( Manufacturer Part Number: 87400-AM500 ), ( Part Type: Seat Frame ), ( Seat Type: Bucket Seat With Headrest ), ( Oe/oem Part Number: 87301-am500, 87301am500 ), ( Headrest Type: Detachable ), ( Color: Gray ), ( Features: Adjustable Seat ), ( Material: Plastic ), ( Placement On Vehicle: Front, Passenger Side, Right ), ( Paint: Silver ), ( Country Of Origin: Japan )

Review INFINITI Sedan Front Passenger Seat Rail Track Frame fits G35 2004–2007

The **Infiniti G35 (2004) Front Passenger Seat Rail Track Frame (Part # 87400-AM500)** is a critical structural component of the vehicle s seating system, designed to ensure precision alignment, durability, and optimal passenger comfort. This high-quality, factory-spec replacement part is engineered to match the original equipment manufacturer (OEM) specifications, guaranteeing a seamless fit within the G35 s front passenger seat assembly. Crafted from robust, corrosion-resistant materials, the rail track frame is built to withstand the rigors of daily driving, including repeated adjustments, weight distribution, and potential impacts from sudden braking or sharp turns. The frame serves as the foundational support for the seat s lateral and longitudinal movement, allowing for effortless reclining, forward/backward sliding, and height adjustment all essential functions for ergonomic seating and driver/passenger convenience. Whether replacing a worn-out or damaged original component or upgrading during a full seat restoration, this track frame ensures that the passenger seat operates smoothly, maintaining proper tension and alignment while minimizing unnecessary wear on the seat s mechanisms. Ideal for professional mechanics, DIY enthusiasts, or restoration specialists, this part is a direct fit for the 2004 Infiniti G35, contributing to both the vehicle s functionality and long-term reliability.

### **Pros and Cons of Buying a 2004 Infiniti G35 Front Passenger Seat Rail Track Frame (Part # 87400-AM500)**

1. **Direct Fitment** The part is designed specifically for the 2004 Infiniti G35, ensuring compatibility without modifications.

2. **Reliability** Infiniti parts, especially OEM or high-quality aftermarket replacements, are generally durable and built to last.

3. **Safety and Comfort** A properly functioning seat rail track ensures smooth movement, reducing wear on the seat mechanism and improving passenger comfort.

4. **Prevents Further Damage** If the existing rail is worn or broken, replacing it early can prevent more extensive damage to the seat or surrounding components.

5. **Easier Installation** Since it s a direct replacement, installation should be straightforward if you have basic mechanical skills or access to a mechanic.

6. **Cost-Effective** Compared to replacing an entire seat, this part is relatively inexpensive, making it a practical solution for minor wear issues.

1. **Age of the Vehicle** The 2004 G35 is over two decades old, meaning the rest of the vehicle may require maintenance or have hidden issues.

2. **Wear and Tear on Other Components** If the seat rails are failing, other parts of the seat (bolts, cushions, or mechanisms) may also be worn and need replacement soon.

3. **Potential Rust or Corrosion** Older vehicles are prone to rust, especially in the frame and undercarriage, which could affect the seat s longevity.

4. **Limited Availability of Parts** While this specific part may be available, other Infiniti G35 components (especially rare or discontinued ones) could be harder to find.

5. **Installation Challenges** If the seat is heavily damaged or the surrounding area is corroded, installation might require extra effort or professional help.

6. **No Warranty on Used/Aftermarket Parts** If purchasing from a third-party seller, there may be no warranty, whereas an OEM part from a dealership would come with coverage.

Replacing the front passenger seat rail track on a 2004 Infiniti G35 is a practical and cost-effective solution if the issue is isolated to the rails. The part is straightforward to source and install, improving seat functionality and preventing further damage. However, the vehicle s age means you should also inspect other components (seat mechanism, bolts, and surrounding structure) to ensure no additional problems exist.

If the rest of the seat or vehicle is in good condition, this upgrade is a solid choice. If the vehicle has multiple mechanical or structural issues, it may be worth considering whether the long-term costs of maintenance outweigh the benefits of keeping it.

- **Buy the part** if you re confident in its quality (preferably OEM or a reputable aftermarket brand).

- **Inspect the seat and surrounding area** before installation to check for rust, wear, or other damage.

- **Consider professional installation** if you re unsure about the process or lack mechanical experience.

- **Budget for potential additional repairs** if the vehicle has other known issues.

- **If the vehicle is high-mileage or in poor condition**, weigh the cost of this repair against the overall value of keeping the car.

Overall, this is a reasonable purchase for a targeted fix, but always assess the bigger picture of the vehicle s condition before proceeding.

Details:

part #: 87400am500 prices

• $161.20-$663.86

specifications seainterio:

• for models: G35
• for makes: Infiniti
• for years: 2004-2007
• mpn: 87400-am500
• part type: Seat Frame
• seat type: Bucket Seat With Headrest
• oe/oem part number: 87301-am500, 87301am500
• headrest type: Detachable
• color: Gray
• features: Adjustable Seat
• material: Plastic
• placement on vehicle: Front, Passenger Side, Right
• paint: Silver
• country of origin: Japan

general seainterio:

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

offer seainterio:

• availability: In Stock
• options: Ship-to-home
• started: February 26, 2026
• quantity: 1
• sold: 0

shipping seainterio:

• carrier: FedEx, USPS
• transit: 2-6 Days
• type: Fixed
• class: Standard
• service: FedEx Ground / FedEx Home Delivery, USPS Ground Advantage
• cost: $0.00

returns seainterio:

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

payments seainterio:

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

seller seainterio:

• # reviews: 3613
• rating: 99.5%
• city: Independence, Oregon

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