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  • NGK 6371 FR5AP-10 Laser Platinum Spark Plug
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NGK 6371 FR5AP-10 Laser Platinum Spark Plug
NGK 6371 FR5AP-10 Laser Platinum Spark Plug
Load image into Gallery viewer, NGK 6371 FR5AP-10 Laser Platinum Spark Plug
Load image into Gallery viewer, NGK 6371 FR5AP-10 Laser Platinum Spark Plug

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NGK 6371 FR5AP-10 Laser Platinum Spark Plug

NGK
ELE2185
In stock
$11.34 $9.99
Description The NGK FR5AP-10 (Stock #6371) is a Laser Platinum spark plug designed for OE applications...
$9.99
NGK 6371 FR5AP-10 Laser Platinum Spark Plug
Description

Description

The NGK FR5AP-10 (Stock #6371) is a Laser Platinum spark plug designed for OE applications requiring long service life, reliable ignition, and consistent performance. With a fine-wire platinum center electrode and platinum-enhanced ground electrode, it delivers improved fuel efficiency, smoother idle, and reduced emissions compared to standard nickel plugs.

Key Features

  • Laser platinum construction for extended durability
  • Fine-wire platinum center electrode improves ignitability and cold starts
  • Platinum-tipped ground electrode reduces wear and maintains gap
  • OE-equivalent design for precise fit and performance
  • Anti-fouling characteristics for stable idle and reduced misfires
  • Trivalent plating resists corrosion and seizing

Specifications

General

  • Part Number: FR5AP-10
  • Stock Number: 6371
  • Heat Range: 5
  • Resistor: Yes (5k Ohm)
  • Pre-Gap: 1.0 mm

Shell

  • Thread Size: M14 x 1.25
  • Reach: 19.0 mm
  • Seat Type: Flat (gasket)
  • Hex Size: 5/8" (16 mm)
  • Terminal Type: Non-removable (solid terminal)

Electrodes

  • Center Electrode: Fine-wire platinum (copper core)
  • Ground Electrode: Platinum-enhanced
  • Configuration: J-gap
  • Projection: Mid projection

Fitment Highlights

Infiniti

  • QX4 (1998–2000, V6 3.3L)

Nissan

  • Altima (1999, L4 2.4L)
  • Frontier (1999–2000, 2.4L & 3.3L)
  • Pathfinder (1998–2000, V6 3.3L)
  • Quest (1999–2000, V6 3.3L)
  • Xterra (2000, 2.4L & 3.3L)

Performance Notes

  • Designed for engines originally equipped with platinum plugs
  • Offers longer service intervals than standard nickel plugs
  • Helps maintain consistent spark and fuel efficiency over time
  • Ideal for late-90s to early-2000s Nissan/Infiniti engines
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Shipping

Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.

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Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.

Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.

Returns

Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.

Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.

Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.

Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).

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