

If you’re replacing worn plugs on a 2005 Toyota Avalon Limited with the 3.5L/3456cc V6, these NGK V-Power LFR6A-11 units are made to match factory specifications while offering NGK’s V-Groove electrode design for stable sparks and economical performance. They come as a six-pack, include resistors to reduce electrical interference, and use NGK’s established heat range to suit the Avalon’s engine requirements.
These plugs use NGK’s V-Groove technology on the electrode to concentrate the spark and promote more consistent ignition across cylinders. They are produced to original equipment standards so fitment and baseline performance align with factory expectations.
Replacing old, fouled, or worn spark plugs with these NGK LFR6A-11 plugs can restore consistent ignition timing and smoother engine idling. While individual results vary with vehicle condition, fresh plugs typically help the engine run more evenly and reduce misfires.
Yes — the NGK LFR6A-11 is compatible with the 2005 Toyota Avalon Limited 3.5L/3456cc V6 when the vehicle calls for this plug specification. They’re sold in a six-pack to cover all cylinders on the V6 without mix‑matching part numbers.
Always check your owner’s manual or service data for the correct gap and torque specifications before installation. Use anti-seize sparingly only if recommended, and torque each plug to the manufacturer’s specification to avoid damage.
Who is this for: This six-pack of NGK V-Power LFR6A-11 spark plugs is aimed at owners and technicians servicing a 2005 Toyota Avalon Limited with the 3.5L V6 who want an OEM-matching replacement that leverages NGK’s V-Groove design. It’s a practical choice for routine maintenance or for anyone seeking reliable, cost-effective ignition parts that align with factory specifications.
Q: Are these NGK plugs the correct fit for a 2005 Toyota Avalon 3.5L V6?
A: Yes. The LFR6A-11 specification is compatible with the 2005 Toyota Avalon Limited 3.5L/3456cc V6 and is sold in a six-pack to replace all cylinders.
Q: Do these plugs include suppressors for electronics interference?
A: Yes. NGK V-Power LFR6A-11 plugs include a built-in resistor to reduce radio and electronic interference.
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Not sure it fits? Email northtrailauto@gmail.com with your year, make, model and engine and we reply within 1 business day.