When it comes to spark plugs and other ignition components, Denso is a direct OEM provider to Toyota. Machine rolled threads prevent seizing or cross threading during installation and removal. DENSO 3426 DENSO Auto Parts FK20HR11. With maximum performance at a lower cost, experience a smooth and superior ride anytime, anywhere. Parts are just part of what we do. An explanation of how to decipher DENSO spark plug models. $15.40 Denso 3473 FK20HBR11 Iridium Spark Plug - Same Day Shipping. However, Denso understands a plug can only operate to its optimum potential if properly gapped. Copper-glass seal bonds center electrode and insulator for a gas-tight seal. 0.7mm iridium tipped laser welded fine wire center electrode and platinum tipped ground electrode. Visit our site for coupons and promotions. $20.58. Spark Plug manufacturers typically warn against gapping fine wire spark plugs due to the fragile nature of their electrodes. Free Returns. Let's find out. Shop for Denso Iridium Spark Plug 3426 with confidence at AutoZone.com. But, which one will have the edge in a Denso vs NGK comparison? Order by 12pm PST M-F for same day shipping. C $91.51. Even if the preset gap matches that required by your engine, it is always good practice to physically check the gap as it may have shifted during transportation (not all spark plugs are packaged in a way that protects the firing end ). Denso plug K20HR-U11. Find many great new & used options and get the best deals for 1pc (new) - DENSO # 3426 Iridium LONG LIFE Spark Plugs - FK20HR11 - (Japan -new) at the best online prices at … These aren't long life plugs (they are more on the performance side of iridium plugs), but they will last 60-90k miles. Finally, these plugs are supposed to be pre-gapped at .044". Find many great new & used options and get the best deals for Spark Plug-Iridium Long Life (SIP) DENSO FK20HR11 at the best online prices at eBay! I am replacing the Denso FK20HR11's with NGK Iridium IX (Link - LFR6AIX-11) which were $7.50 from Advance Auto Parts. Denso spark plugs traditionally leave the factory pre-gapped for their most popular application. See cross reference chart for Denso SK20R11 and more than 80.000 other spark plugs. This spark plug features a ‘twin tip’ - a thin centre of 0.4mm and a protruding ground electrode of 0.7mm in diameter - which boosts your car’s horsepower and torque. 0:52 . 1969. PayPal Accepted. $15.40 Denso 3426 FK20HR-11 Iridium Spark Plug - Same Day Shipping. Sorry, no powersports applications are associated with this part. Pictures represent the exact item. When this happens, the horsepower of the engine falls, the fuel economy deteriorates and also the quality of the exhaust gas is adversely affected, so it is necssary to replace the plugs. Gapping the plugs to your engine’s specifications is important to prevent pre-ignition, detonation, fouling and poor fuel economy. I guess I have to shove the end piece into that L-bracket into the plug and it wil gap into .043 or I have to wiggle it a bit to make it a .043? Any use of this cross reference is done at the installers risk. However, a plug may fit hundreds of engines, from cars to golf carts. About Us DENSO is a supplier of advanced automotive technology, systems and components for major automakers. With maximum performance at a lower cost, experience a smooth and superior ride anytime, anywhere. ft. Aluminum: 15-22 lb. I recommend buying the OEM iridium tipped spark plugs which are the Denso FK20HR11 or FK20HR-11. The spark plug Cross references are for general reference only.