Lexus RC350 Spark Plugs

Your One-Stop Shop For Trusted Lexus RC350 Spark Plugs

If you’re in search of Lexus RC350 Spark Plugs aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 17 Spark Plugs from top brands with prices ranging from $4.49 to $38.99.

Beyond great prices, we stock trusted brands manufacturing all types of Spark Plugs for your Lexus RC350.

And don’t forget to read customer reviews across all Spark Plugs categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Spark Plugs have to cost top dollar, and we prove it. Browse our top Lexus RC350 Spark Plugs below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

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Essential Lexus RC350 Spark Plugs

E3 – E3 DiamondFIRE Automotive Spark Plug: More Power, Saves Gas, E3.68 (Part No.E3.68)

E3 DiamondFIRE Automotive Spark Plug: More Power, Saves Gas, E3.68

from

$8.49
The Spark Plugs are the product of years of fundamental research in the combustion field. The unique patented electrode configuration of these new The spark plugs increases the amount of combustion pressure created during each power stroke of an engine, which results in a marked increase in power output, fuel economy, and reduced emissions in all gasoline engines. E3.68 is a 14mm, 1.000 reach plug with a gasket seat. It fits a wide variety of late model applications, especially Hemi applications. E3.68 is widely stocked in automotive retail stores. The automotive plugs have three legs securing the Diamond FIRE electrode to the shell. This allows for excellent heat transfer, and helps to create more turbulence in the cylinder. The patented Diamond FIRE side wire is proven to increase power, reduce fuel consumption and improve hydrocarbon emissions in long-term use.
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DENSO – DENSO Iridium Long-Life Spark Plug: Super Ignition, OE Performance, FK20HBR11, 3473 (Part No.3473)

DENSO Iridium Long-Life Spark Plug: Super Ignition, OE Performance, FK20HBR11, 3473

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$30.99
Manufactured to the strictest OE performance, durability and emissions standards.
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Champion – Champion Iridium Spark Plug REC10WMPB4 – Maximum Performance & Longevity, 9775 (Part No.9775)

Champion Iridium Spark Plug REC10WMPB4 - Maximum Performance & Longevity, 9775

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$12.99
Champion Iridium spark plugs combine a fine-wire iridium center with platinum ground electrodes to help any engine achieve top performance, regardless of ignition type. This advanced design ensures precise ignition, long-lasting durability and reliable performance mile after mile, while reducing wear and tear. Champion your engine with spark plugs engineered to improve efficiency and keep your vehicle running at its best.
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Autolite Iridium – Autolite Iridium Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP5325 (Part No.XP5325)

Autolite Iridium Iridium XP Fine wire Spark Plug: Improved Durability, More Focused Ignition, XP5325

from

$11.49
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, the Autolite Iridium XP spark plugs feature an iridium-enhanced 0.6mm finewire design and patented platinum sidewire technology to provide better overall durability and a more focused ignition for enhanced ignitability and performance. Features double Iridium-enhanced alloy technology center electrode for improved durability and wear resistance.
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Bosch – Bosch OE Fine Wire Double Iridium Spark Plug, 9782 (Part No.9782)

Bosch OE Fine Wire Double Iridium Spark Plug, 9782

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$8.69
BOSCH OE Fine Wire Double Iridium. All iridium plugs are NOT created equal. Give your customers the only one engineered for both high performance and long life. The ultra fine wire design and laser welded, tapered ground electrode deliver the ultimate in ignitability and high performance. The iridium-alloy center electrode firing pin and laser welded ground electrode with iridium alloy inlay help it to go the distance.
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Champion – Champion Iridium Spark Plug REC10WMPB – Maximum Performance & Longevity, 9010 (Part No.9010)

Champion Iridium Spark Plug REC10WMPB - Maximum Performance & Longevity, 9010

from

$15.49
Champion Iridium spark plugs combine a fine-wire iridium center with platinum ground electrodes to help any engine achieve top performance, regardless of ignition type. This advanced design ensures precise ignition, long-lasting durability and reliable performance mile after mile, while reducing wear and tear. Champion your engine with spark plugs engineered to improve efficiency and keep your vehicle running at its best.
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DENSO – DENSO Spark Plug Iridium Long-Life, 3491 (Part No.3491)

DENSO Spark Plug Iridium Long-Life, 3491

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$27.99
Manufactured to the strictest OE performance, durability and emissions standards.
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Champion – Champion Copper Plus Spark Plug REC12MCC4 – Dependable Performance & Durability, 446 (Part No.446)

Champion Copper Plus Spark Plug REC12MCC4 - Dependable Performance & Durability, 446

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$6.99
Champion Copper Plus spark plugs deliver dependable ignition performance with proven copper-core technology. The copper core electrode provides excellent conductivity and optimized heat control for consistent sparks while the coated shell protects against corrosion. Champion your engine with spark plugs engineered to improve efficiency and keep your vehicle running at its best.
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Autolite Iridium – Autolite Iridium Iridium Ultra Fine Wire Spark Plug: Laser Welded for Precision, AI5325 (Part No.AI5325)

Autolite Iridium Iridium Ultra Fine Wire Spark Plug: Laser Welded for Precision, AI5325

from

$11.49
Autolite Iridium Ultra Laser Fine wire Spark Plugs are one of our brand’s most technologically advanced products. These spark plugs provide superior durability, more focused ignition with better overall ignitability for optimum performance. Autolite Spark Plugs are the best alternative to OE spark plugs, offering OE fit form and function supporting all foreign and domestic makes and models at a value price. Autolite provides the automotive aftermarket and original equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs in the world.
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Autolite – Autolite Double Platinum Spark Plug: Enhanced Durability & Performance, APP5325 (Part No.APP5325)

Autolite Double Platinum Spark Plug: Enhanced Durability & Performance, APP5325

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$7.49
Double Platinum Spark Plug offers enhanced durability and performance with its platinum-to-platinum design, effectively reducing gap erosion and minimizing misfires for a longer service life. Engineered for distributor-less ignition system (DIS) engines, it outperforms copper and standard platinum plugs. The yttrium-enhanced ground electrode ensures superior heat transfer, maintaining durability under high temperatures and pressure. Its high alumina ceramic insulator optimizes thermal conductivity and dielectric strength, while the multi-rib insulator prevents flash-over for reliable operation. Featuring a mid-projection center electrode and flat seat type, this performance-grade spark plug is built with platinum-tipped electrodes for consistent ignition and lasting reliability. Designed to deliver exceptional value, it is a dependable choice for maintaining peak engine performance.
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NGK – NGK Laser Iridium Spark Plug (DFH6B-11A): High Ignitability & Durability, 6858 (Part No.6858)

NGK Laser Iridium Spark Plug (DFH6B-11A): High Ignitability & Durability, 6858

from

$38.99
NGK Laser Iridium High Ignitability spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium High Ignitability spark plugs are tested to the highest standards to ensure quality and durability. Iridium tipped center electrode provides durability six times harder than platinum. NGKs high grade pure alumina ceramic and 98 percent pure copper core prevents the spark plug from overheating while providing reliable starts. Laser Iridium High Ignitability spark plugs feature raised platinum pad or platinum fine wire tip on the ground electrode for even wear in distributorless ignition systems and improved spark performance.
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DENSO – DENSO Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IKBH20TT, 4705 (Part No.4705)

DENSO Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IKBH20TT, 4705

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$18.49
Durability of an OE style plug combined with Power & Torque of high performance.
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Felpro – Felpro Spark Plug Tube Seal Set, ES 72701 (Part No.ES 72701)

Felpro Spark Plug Tube Seal Set, ES 72701

from

$27.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
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Victor Reinz – Victor Reinz Spark Plug Tube Seal Set, 18-10080-01 (Part No.18-10080-01)

Victor Reinz Spark Plug Tube Seal Set, 18-10080-01

from

$26.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.
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Spark Plugs Brands You Can Trust For Your Lexus RC350

8 trusted brands of Spark Plugs line our shelves, ready to help keep your Lexus RC350 running smooth. Below are some of the most popular brands and their top Spark Plugs offerings:

Top Lexus RC350 Spark Plugs from Autolite Iridium

Your Lexus RC350 will be purring again thanks to Autolite Iridium brand Spark Plugs available for online order or in-store pick up. Popular Autolite Iridium parts include:

Most Purchased Lexus RC350 Spark Plugs from Autolite Iridium

When you buy the most frequently purchased Autolite Iridium brand Spark Plugs, you can be confident it will be the right part for your Lexus RC350. Here are the Autolite Iridium Spark Plugs Advanced Auto customers buy the most:

FAQs for Lexus RC350 Spark Plugs

What are the most purchased Spark Plugs for the Lexus RC350?

Out of 17 Spark Plugs for the Lexus RC350, the most popular in our inventory are:

What are the top-rated Lexus RC350 Spark Plugs?

Top-rated Spark Plugs for your Lexus RC350 based on customer reviews/ratings are:
Felpro Spark Plug Tube Seal Set, ES 72701
from $27.99
(4)
Felpro Spark Plug Tube Seal Set, ES 72701
“Used product on my car worked great the parts were and price were awesome”
Autolite Copper Resistor Spark Plug: Quick Starts & Enhanced Durability, 5325
from $4.49
(1)
Autolite Copper Resistor Spark Plug: Quick Starts & Enhanced Durability, 5325
“Comes pre gapped and affordable”