Spark Plug for 1990-1996 Ford F-150 & More - DENSO 5025

$6.99

Vehicles this part fits

    Part number: 5025
    UPC: 042511050259
    Condition: New
    Weight: 0.09 LBS
    Item Package Quantity: 1
    $6.99
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    DENSO Auto Parts Spark Plug P/N:5025
    DENSO Auto Parts Spark Plug P/N:5025
    $6.99
    $6.99

    DENSO Auto Parts 5025 spark plug for the 1990-1996 Ford F-150 V8 5.0L and other vehicles fires the spark that ignites the air-fuel mixture in each cylinder.

    • U-Groove ground electrode for a larger flame front, improved ignitability and increased engine efficiency
    • Copper core center electrode for thermal conductivity
    • Pre-gapped at 0.9 mm
    • 5000 ohm resistance

    Quick facts

    • Part: DENSO Auto Parts 5025 spark plug
    • Fits: 1990-1996 Ford F-150 V8 5.0L and other vehicles
    • Condition: New

    A worn spark plug can show up as hard starting, a rough idle or a misfire under load. A misfire alone does not prove the plugs are the problem, since a worn ignition wire can produce one too.

    Fits

    Other vehicles it fits include the 1988-1993 Chevrolet C1500 V6 4.3L or V8 5.7L, the 1991-1993 Chevrolet C1500 V8 7.4L and the 1988-1993 Chevrolet K1500 V6 4.3L or V8 5.7L. The V8 engines take eight plugs and the V6 4.3L takes six. Open the "Vehicles it fits" section to check your exact model and engine.

    Specifications

    Fit and size

    • Hex size: 16 mm
    • Thread diameter: 14.0 mm
    • Reach: 11.6 mm
    • Seat type: Tapered
    • Heat range: 16
    • Quantity per vehicle: 6 or 8, depending on engine

    Build and materials

    • Ground electrode core: nickel
    • Center electrode tip: nickel
    • Ground electrodes: 1
    • Ground configuration: Standard
    • Condition: New
    • Country of origin: China

    Product information is for general reference and may contain errors. See our Disclaimer.

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

    T16PR-U, ASF42, ASF42C, ASF42CF4, ASF42P, 19208523, 19302742, 5613957, 5614229, 5614243

    Frequently Asked Questions

    Is this the right Ford F-150 spark plug for a 1990-1996 model with the V8 5.0L?

    Yes. DENSO Auto Parts 5025 fits the 1990-1996 Ford F-150 V8 5.0L, and that engine takes eight plugs.

    Do I need six or eight spark plugs for the 1988-1993 Chevrolet K1500 V6 4.3L or V8 5.7L?

    The V6 4.3L takes six and the V8 5.7L takes eight. DENSO Auto Parts 5025 fits both engines, so match the count to yours.

    Does the DENSO Auto Parts spark plug come pre-gapped?

    Yes. This plug has a 0.9 mm pre-gap.

    What thread size and reach does this plug have?

    The thread diameter is 14.0 mm and the reach is 11.6 mm. The hex size is 16 mm and the seat is tapered.

    What signs suggest a spark plug like the 5025 is wearing out?

    Hard starting, a rough idle or a misfire under load can all be signs of a worn plug. A shop can test the ignition system if the signs continue.

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