Deliver a consistent spark and long service life with the DENSO Auto Parts Iridium Long-Life Spark Plug (MPN 3370). This iridium plug ignites the compressed air-fuel mixture in the combustion chamber and drops in as a direct-fit replacement for the 1995-1998 BMW 750IL (V12-5.4L), 1995-1997 BMW 850CI (V12-5.4L), 2008-2014 Dodge Avenger (L4-2.4L), and 1998 Mazda Millenia (V6-2.3L). If worn or fouled plugs are the cause of misfires, hard starting, or rough idle on a listed application, this replaces them.
Iridium center electrode: DENSO's patented iridium alloy is over 90% iridium mixed with a small amount of rhodium to reduce oxidation, with rated durability over 110,000 miles.
OE-style design: needle-to-needle (SIP) type for late-model applications.
Specifications: 14.0 mm thread diameter, 19.0 mm reach, 16 mm hex, flat seat, heat range 16, 5000-ohm resistance, 0.8 mm pre-gap, and a single ground electrode with a platinum-chip tip, nickel ground core, and copper center core.
Standards: manufactured to DENSO's strict OE performance, durability, and emissions standards.
Quantity per application varies by engine (the listed applications use 12, 12, 4, and 6). Minimum order quantity is 4. Country of origin: Japan.
Interchange: SKJ16CR-A8 · SKJ16CRA8 · ZM01-18-110 · ZM0118110 · Manufacturer part number 3370
This part cross-references / interchanges with the following part numbers:
SKJ16CR-A8, ZM01-18-110
Frequently Asked Questions
Which vehicles does this spark plug fit?
It is a direct-fit replacement for the 1995-1998 BMW 750IL (V12-5.4L), 1995-1997 BMW 850CI (V12-5.4L), 2008-2014 Dodge Avenger (L4-2.4L), and 1998 Mazda Millenia (V6-2.3L). See the Buyer's Guide tab to confirm your vehicle.
How many plugs do I need?
Quantity varies by engine: the listed applications use 12, 12, 4, and 6 plugs. The minimum order quantity for this listing is 4; order enough to cover all cylinders on your engine.
What is the electrode made of?
The center electrode uses DENSO's patented iridium alloy that is over 90% iridium with a small amount of rhodium to reduce oxidation, over a copper center core. The ground electrode has a nickel core and a platinum-chip tip.
What are the key specifications?
14.0 mm thread diameter, 19.0 mm reach, 16 mm hex, flat seat, heat range 16, 5000-ohm resistance, 0.8 mm pre-gap, and a single ground electrode. Always confirm these match your application.
When should spark plugs be replaced?
Signs a plug may need replacing include misfires, hard starting, rough idle, or reduced fuel economy. Diagnose the cause first, since these symptoms can have other sources; this plug is rated for durability over 110,000 miles.
Spark Plug StandardPatented U-Groove technology on the ground electrode allows for a larger flame front and improved ignitability. Copper core center electrode for superior thermal conductivity...
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.
