PRODUCT OVERVIEW:
- Iridium long life spark plugs are factory installed on luxury vehicles. 0.7mm iridium tipped laser welded fine wire center electrode and platinum tipped ground electrode. Machine rolled threads prevent seizing or cross threading during installation and removal. 100% pre-fired to assure the highest quality possible. Purified alumina powder insulator provides exceptional strength and thermal conductivity. Five rib insulator prevents flashover. Copper-glass seal bonds center electrode and insulator for a gas-tight seal.

PRODUCT INFO:
- Part: Spark Plug
- Center Electrode Material: Iridium
- Ground Electrode Type: Standard
- Ground Electrode Quantity: 1
- Ground Electrode Material: Platinum
- Center Electrode Type: Fine

For Mercury Grand Marquis 1992 1993 1994 Spark Plug | Iridium | Long-Life | 14mm Thread Size | Nickel | 16mm Hex Size

  • Part: Spark Plug
  • Part Number: 5087
  • Ground Electrode Material: Platinum
  • Center Electrode Type: Fine Wire
  • Center Electrode Material: Iridium
  • Iridium, Long-Life, 14mm Thread Size, Nickel, 16mm Hex Size
  • Supplier Title: Spark Plug Iridium Long-Life
PRODUCT OVERVIEW:
- Iridium long life spark plugs are factory installed on luxury vehicles. 0.7mm iridium tipped laser welded fine wire center electrode and platinum tipped ground electrode. Machine rolled threads prevent seizing or cross threading during installation and removal. 100% pre-fired to assure the highest quality possible. Purified alumina powder insulator provides exceptional strength and thermal conductivity. Five rib insulator prevents flashover. Copper-glass seal bonds center electrode and insulator for a gas-tight seal.

PRODUCT INFO:
- Part: Spark Plug
- Center Electrode Material: Iridium
- Ground Electrode Type: Standard
- Ground Electrode Quantity: 1
- Ground Electrode Material: Platinum
- Center Electrode Type: Fine Wire
- Thread Diameter: 14mm
- Thread Pitch: 1.25mm
- Hex Size: 5/8" (16mm)

MANUFACTURER PART NUMBER:
- Part Number: 5087

PRODUCT FEATURES:
- Manufactured to boost your engine’s performance
- Engineered utilizing the finest materials and equipment
- Provides reliable, hassle-free operation
- Made in compliance with high industry standards
- Made to perform and built to last.
shipping Return Policy
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  • This item includes an item with zero restocking fee if returned within 30 days of the delivery date, in original packaging.
  • All carrier-related damage or loss claims must be made with the carrier within 48 hours of item receipt.
  • shipping Shipping
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    shipping Warranty
    All Carlights360 products come with a 1-year limited warranty. In the event of an equipment failure due to a manufacturing defect, the merchandise might be eligible for an exchange with CarLights360. The warranty only covers the light assembly - it does not cover the bulbs inside the assembly. Feel free to contact us regarding any questions or issues.


    shipping Customer feedback

    Works Flawlessly

    My truck no longer surges up and down and I get better Gas mileage. Thankyou for sending me the correct part.

    Buyer: harborm87

    Everything went as expected

    Shipping was fastas promised. Very happy with my purchase, installed and working fine. Thanks.

    Buyer: bradleyk622

    Awesome product!

    Fast charging as promised.. better quality than the OEM.. very recommended

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    Superb Seller

    Fantastic customer service. Small issue (my fault) that seller took care of thoroughly and immediately. A+ and highly recommended.

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    In pristine condition

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    Excellent!

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    Item as described

    Well packed, fast shipping, A++++++, an honorable seller!

    Buyer: 87gp400