What is the difference between SC16HR11 and SC20HR11?
The iridium spark plug SC20HR11 is replaced with spark plugs SC16HR11. The Denso auto parts supplier replaces the Iridium spark plugs with a 0.4 mm diameter central electrode for the new, more wear-resistant Iridium TT spark plugs. Now the spark plug SC16HR11 will be used 11 in the other engines instead of the SC20HR.
Are Denso Spark Plugs pre gapped?
DENSO spark plugs are manufactured with a pre-set gap. With nickel plugs, especially with motorcycles, the gap may need adjustment. Always use a special spark plug gapping tool to change the gap. Do not change the gap on platinum, iridium or twin tip spark plugs, as the fine electrodes may get damaged.
Does Toyota use NGK or Denso?
NGK and Denso are both fine plugs. Toyota uses both brands in manufacturing. On the V6, sometimes you see one bank with Denso and the other with NGK. IMO, get which ever one costs less because you won’t notice any difference between the NGK and Denso.
How long do Denso iridium plugs last?
All Denso long life iridium spark plugs are an OEM design, made for a specific engine. Some feature a special resistor or electrode design, depending on the OE requirements. In their OE application, Denso’s long life plugs can last up to 120,000 miles.
Is Denso a good brand?
Denso is well-known and has a good reputation overall, but so does NGK and so do a number of other top-tier aftermarket (from the perspective of Toyota, but OEM for others) brands. This +100. Denso is a great brand but do not think they are perfect.
Are Denso parts made in China?
Currently, DENSO has 22 production companies in China producing a variety of products including automotive air-conditioning systems, engine control components, fuel injection components, alternators, starters, and car navigation systems.
Is NGK good for Toyota?
If you want to be 100% OE, you can go with these genuine Toyota plugs. NGK is a good OE alternative if you want something more long-lasting. This NGK spark plug is the newer iridium type that will last longer than the original Toyota. Most long-lasting spark plug replacement for various Toyota models.
What spark plugs does Toyota recommend?
Genuine Toyota Double Platinum spark plugs, available for select Toyota models, offer several benefits:
- Platinum on both the center and ground electrodes reduces wear and provides a service life of up to 60,000 miles.
- Raised design provides excellent ignitability for a strong spark, smooth idle and optimum performance.