Spark Plug for 1984-1991 Mazda RX-7 - NGK 5255

$11.99
NGK Spark Plug 5255
NGK Spark Plug 5255

Vehicles this part fits
    Part number: 5255
    UPC: 087295152553
    Condition: New
    Weight: 0.34 LBS
    Item Package Quantity: 1
    $11.99
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    NGK Spark Plug P/N:5255
    NGK Spark Plug P/N:5255
    $11.99
    $11.99

    NGK 5255 spark plug for the 1984-1991 Mazda RX-7 1.3L creates the spark that ignites the fuel in a rotary engine. It is one of the NGK spark plugs made for rotary engines.

    • NGK Laser Platinum line with a platinum alloy center electrode for higher temperature resistance and longer wear
    • Recessed center electrode with a surface discharge spark
    • 98% pure copper core for heat dissipation and conductivity
    • High-grade pure alumina ceramic that helps prevent overheating and supports reliable starts
    • Trivalent metal plating resists corrosion and seizing for easier installation and removal

    Quick facts

    • Part: NGK 5255 spark plug
    • Fits: 1984-1991 Mazda RX-7 1.3L
    • Condition: New

    Hard starting, a rough idle or a misfire can mean a plug is worn, though a weak ignition coil or a worn plug wire can be behind the same symptoms, so find the cause before you replace plugs.

    Fits

    It fits the 1984-1991 and the 1993-1995 Mazda RX-7 1.3L. The 1984-1985 Mazda RX-7 1.3L takes four plugs, and the 1986-1991 and 1993-1995 Mazda RX-7 1.3L take two.

    Specifications

    Fit and size

    • Thread size: M14 - 1.25
    • Hex size: 13/16"
    • Gap: 0.055 in (1.4 mm)

    Build and materials

    • Type: surface discharge
    • Metallurgy: single platinum
    • NGK part number: BUR9EQP
    • Condition: New

    Interchange: 0000-18-N3A1 · N3A1-18-100 · N3A1-18-110
    1765256 · BUR9EQP

    This part cross-references / interchanges with the following part numbers:

    1765256, 0000-18-N3A1, 000018N3A1, N3A118100, N3A1-18-100, N3A1-18-110, N3A118110, 5255, BUR9EQP

    Frequently Asked Questions

    Are these RX-7 spark plugs right for the 1993-1995 Mazda RX-7 1.3L?

    Yes. NGK 5255 fits the 1984-1991 and the 1993-1995 Mazda RX-7 1.3L. The 1984-1985 cars take four plugs and the later years take two.

    What thread size and hex does the NGK 5255 have?

    The NGK 5255 has an M14 - 1.25 thread and a 13/16" hex. Its gap is 0.055 in (1.4 mm).

    Is the NGK 5255 center electrode made of platinum?

    Yes. This plug has a platinum alloy center electrode with a recessed surface discharge design for rotary engines, and its metallurgy is single platinum.

    What can a worn rotary spark plug feel like when driving?

    Trouble starting, an uneven idle or a misfire can all mean a worn plug. Lower fuel economy is another sign a driver may notice.

    Does the NGK 5255 replace the BUR9EQP plug?

    Yes. BUR9EQP is NGK's other number for this plug, and it appears on the interchange list with N3A1-18-100 and N3A1-18-110.

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