Spark Plug for 1975-1989 Ford F-150 & More - DENSO 5008

$6.99

Vehicles this part fits

    Part number: 5008
    UPC: 042511050082
    Condition: New
    Weight: 0.14 LBS
    Item Package Quantity: 1
    $6.99
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    DENSO Auto Parts Spark Plug P/N:5008
    DENSO Auto Parts Spark Plug P/N:5008
    $6.99
    $6.99

    DENSO Auto Parts 5008 spark plug for the 1975-1976 Ford F-150 V8 5.9L or 6.4L, the 1975-1989 F-150 6-cylinder 4.9L and other vehicles ignites the air-fuel mixture in each cylinder. The plug is OE-grade.

    • Patented U-Groove ground electrode allows a larger flame front for improved ignitability
    • Copper core center electrode with a nickel tip
    • Pre-gapped to 0.9 mm
    • Resistance of 5000 ohms

    Quick facts

    • Part: DENSO Auto Parts 5008 spark plug
    • Fits: the 1975-1976 Ford F-150 V8 5.9L or 6.4L, the 1975-1989 F-150 6-cylinder 4.9L and other vehicles
    • Condition: New

    A worn plug can show up as hard starting, a rough idle or a misfire. Ignition wires, a weak coil or a fuel-delivery problem can be behind those signs too, so track down the cause before you buy plugs. Order one plug per cylinder: six for the 6-cylinder 4.9L engines and eight for the V8s.

    Fits

    It is listed for a wide range of Ford models. Beyond the trucks named at the top, that includes a spark plug for the 1964-1970 Ford Mustang 6-cylinder 3.3L and the 1965-1989 Ford F-250 6-cylinder 4.9L. If your truck or car is not named here, look up its year and engine in the "Vehicles it fits" section.

    Specifications

    Fit and size

    • Thread diameter: 18.0 mm
    • Reach: 11.6 mm
    • Hex size: 20.6 mm
    • Seat type: Tapered
    • Manufacturer heat range: 16
    • Pre-gap size: 0.9 mm
    • Quantity per vehicle: 6 or 8, depending on the engine

    Build and materials

    • Center electrode core: copper
    • Center electrode tip: nickel
    • Ground electrode core: nickel
    • Ground electrode tip design: U-Groove, 1 ground electrode
    • Resistance: 5000 ohms
    • Condition: New
    • Country of origin: Japan

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

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

    MA16PR-U

    Frequently Asked Questions

    Is this the right Ford F-150 spark plug for the 1975-1989 model with the 6-cylinder 4.9L?

    Yes. DENSO Auto Parts 5008 is listed for the 1975-1989 Ford F-150 6-cylinder 4.9L, which takes six plugs, and for the 1975-1976 F-150 V8 5.9L or 6.4L, which takes eight.

    Are these the right Ford F-250 spark plugs for the 1965-1989 model with the 6-cylinder 4.9L?

    Yes. DENSO Auto Parts 5008 is listed for the 1965-1989 Ford F-250 6-cylinder 4.9L, which uses six plugs. For other years and engines, use the "Vehicles it fits" section.

    What thread size and reach does this DENSO spark plug have?

    This plug has an 18.0 mm thread diameter, an 11.6 mm reach, a tapered seat, a 20.6 mm hex and a heat range of 16.

    How can I tell if the plugs in my engine are worn?

    Hard starting, a rough idle or a misfire can point to worn plugs. With the engine off and cool, a pulled plug with a worn electrode, heavy deposits or a cracked insulator is due for replacement.

    What does the U-Groove ground electrode on this plug do?

    The patented U-Groove cut in the ground electrode allows a larger flame front. That gives improved ignitability and increased engine efficiency.

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