NGK
NGK Iridium IX Spark Plug (YR5IX) 7516
NGK Iridium IX Spark Plug (YR5IX) 7516
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$8.33 USD
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$8.33 USD
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- Free fitment check before you order
Iridium IX Spark Plug 7516 by NGK. Check the part number and details below against what you are replacing. Ignition parts are routine maintenance and among the easiest ways to restore smooth running.
Quick facts
- Brand: NGK
- Part type: Ignition part
Listed fitment
- 1973 - 1974 Buick Apollo Base
- 1986 - 1991 Chevrolet B60 B6P042
- 1993 - 1998 Chevrolet B7 B7T042
- 1970 - 1974 Chevrolet Bel Air Base
- 1970 - 1972 Chevrolet Biscayne Base
- 1970 - 1974 Chevrolet Blazer Base
- 1972 Chevrolet Brookwood Base
- 1978 - 1980 Chevrolet C10 Big Ten
- 1975 - 1980 Chevrolet C10 Custom Deluxe, Cheyenne
- 1975 - 1986 Chevrolet C10 Custom, Scottsdale, Silverado
- 1970 - 1974 Chevrolet C10 Pickup Base
- 1970 - 1974 Chevrolet C10 Suburban Base
- 1981 - 1986 Chevrolet C10 Suburban Custom
- 1975 - 1980 Chevrolet C10 Suburban Custom Deluxe
- 1981 Chevrolet C10 Suburban Deluxe
- 1975 - 1986 Chevrolet C10 Suburban Scottsdale, Silverado
- 1986 Chevrolet C20 Base
- 1981 - 1986 Chevrolet C20 Custom
- 1975 - 1980 Chevrolet C20 Custom Deluxe
- 1981 Chevrolet C20 Deluxe
- 1975 - 1986 Chevrolet C20 Silverado, Scottsdale, Cheyenne
- 1970 - 1974 Chevrolet C20 Pickup Base
- 1970 - 1974 Chevrolet C20 Suburban Base
- 1981 - 1986 Chevrolet C20 Suburban Custom
- 1975 - 1980 Chevrolet C20 Suburban Custom Deluxe
- 1981 Chevrolet C20 Suburban Deluxe
- 1975 - 1986 Chevrolet C20 Suburban Scottsdale, Silverado
- 1975 - 1982 Chevrolet C30 Base
- 1975 - 1981 Chevrolet C30 Cheyenne
- 1981 - 1986 Chevrolet C30 Custom
- 1975 - 1980 Chevrolet C30 Custom Deluxe
- 1981 Chevrolet C30 Deluxe
- 1975 - 1986 Chevrolet C30 Scottsdale, Silverado
- 1970 - 1974 Chevrolet C30 Pickup Base
- 1986 - 1990 Chevrolet C50 C5D042
- 1990 - 1991 Chevrolet C5500 Kodiak C5H042
- 1986 - 1990 Chevrolet C60 C6D042
- 1990 - 1996 Chevrolet C60 Kodiak C6H042
- 1997 - 1998 Chevrolet C6500 Kodiak C6H042
- 1986 Chevrolet C70 C7D044
- …and 193 more
Tip: Set the spark plug gap to your engine spec and do not over-torque plugs in aluminum heads.

NGK ignition part: what to know
Worn plugs, cracked wires and weak coils cause misfires, rough running and poor economy.
Fitment notes
- Specs, lead time and warranty come from NGK and can change. The details above this guide are the latest we have.
Not sure it fits? Tell us exactly what you drive and we'll confirm fitment first. It's free and saves a return.
Ask about fitmentWhat else to plan for
- Plug wires or boots. Old wires and boots crack.
More for your car: Spark Plugs · All Spark Plugs · Batteries & electrical
Questions about ignition part
Will this fit my car?
Check the title and details above for the vehicles and part number it is listed for. If you are not sure, contact us with your year, make, model, engine and trim and we will confirm fitment before you order.
How often should spark plugs be replaced?
Your maintenance schedule lists it; long-life plugs often go 60,000 to 100,000 miles.
Where do specs and warranty details come from?
From NGK. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.
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