NGK 58914 direct ignition coil boot for the 2001-2005 Mazda Miata 4-cylinder 1.8L connects each ignition coil to its spark plug. It is built to stringent OEM tolerances for original equipment fit.
A misfire, a rough idle or a cracked or burned boot can mean the boot is worn. A worn spark plug or a failing ignition coil can be behind a misfire too, so find the cause before you buy.
This boot is a direct-fit replacement for the 2001-2005 Mazda Miata 4-cylinder 1.8L, which takes two.
Interchange: 50019-1 · 175-1013 · 175-8003 · 35-7055 · 671-4281 · 36-2013 · CPB-Z003
50019 · SPB116 · 702426 · 727426 · 02515 · 2515 · 184072 · 5421K · 55125K · SPP52 · SPP52E
This part cross-references / interchanges with the following part numbers:
Is the NGK 58914 boot right for the 2001-2005 Mazda Miata 4-cylinder 1.8L?
Yes. NGK 58914 is a direct-fit coil boot for the 2001-2005 Mazda Miata 4-cylinder 1.8L, which takes two.
Does this NGK direct ignition coil boot come with the spring and resistor?
Yes. NGK 58914 includes the required internal springs and ferrite resistors, which provide RFI noise suppression.
What warranty covers the NGK 58914 coil boot?
NGK backs this boot with a limited lifetime warranty. The package has the details.
Why change the coil boot when I change spark plugs?
The boot is the link between the ignition coil and the spark plug. Replacing it with the plugs helps prevent ignition problems such as flashover.
Is NGK CPB-Z003 the same boot as NGK 58914?
Yes. NGK lists this boot under stock number 58914 and under part number CPB-Z003, so either number finds it.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
