Spark Plug for 2016-2023 Toyota Tacoma - DENSO 3509

$24.99

Part number: 3509

UPC: 042511035096

Condition: New

Weight: 0.12 LBS

Item Package Quantity: 1

$24.99

Current Stock: 232

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DENSO Auto Parts Spark Plug P/N:3509

$24.99

Description

DENSO Auto Parts 3509 spark plug for the 2016-2023 Toyota Tacoma 4-cylinder 2.7L ignites the air-fuel mixture in the cylinder. The plug is built to the strictest OE performance, durability and emissions standards.

Iridium alloy that is over 90% iridium, with small amounts of rhodium to reduce oxidation
Durability over 110,000 miles
Needle-to-needle (SIP) ground configuration with a platinum needle ground electrode tip
Pre-gapped to 0.8 mm

Quick facts

Part: DENSO Auto Parts 3509 spark plug
Fits: 2016-2023 Toyota Tacoma 4-cylinder 2.7L
Condition: New

Hard starting, a rough idle or a misfire can mean worn plugs, but a weak ignition coil or a fuel problem could be behind the same symptoms, so find the cause first. With the engine off and cool, a removed plug with a rounded electrode, a cracked insulator or oily deposits shows wear. A shop can test the ignition for you.

Fits

This plug is a direct-fit replacement for the 2016-2023 Toyota Tacoma 4-cylinder 2.7L. The 2016-2023 Toyota Tacoma 4-cylinder 2.7L takes four.

Specifications

Fit and size

Quantity per vehicle: 4
Thread diameter: 14.0 mm
Reach: 26.5 mm
Hex size: 16 mm
Seat type: Flat
Heat range: 20

Build and materials

Center electrode: iridium tip, copper core
Ground electrode: platinum needle tip, nickel core
Resistance: 5000 ohms
Condition: New
Country of origin: Japan

Product information is for general reference and may contain errors. See our Disclaimer.

Manufacturer's description

Product specs

Vehicles it fits

Interchange numbers

This part cross-references / interchanges with the following part numbers:

FK20HR-A8, 90919-01287

Buyer's Q&A

Frequently Asked Questions

Is the DENSO 3509 a spark plug replacement for the 2016-2023 Toyota Tacoma 4-cylinder 2.7L?

Yes. DENSO Auto Parts 3509 is a direct-fit spark plug for the 2016-2023 Toyota Tacoma 4-cylinder 2.7L, and that engine takes four.

What electrode materials does the DENSO 3509 use?

The DENSO 3509 has an iridium center tip on a copper core and a platinum needle ground tip on a nickel core. The iridium alloy is over 90% iridium with a little rhodium to reduce oxidation.

What gap and thread size does the DENSO 3509 have?

The DENSO 3509 comes pre-gapped at 0.8 mm. It has a 14.0 mm thread diameter, a 26.5 mm reach, a 16 mm hex and a flat seat.

How can I tell if an iridium spark plug is worn?

With the engine off and cool, look at a removed plug for a rounded electrode, a cracked insulator or oily deposits. Hard starting or a misfire can also mean wear, and a shop can test the ignition.

Is this DENSO iridium plug a needle-to-needle design?

Yes. This spark plug has a needle-to-needle ground configuration with a platinum needle ground tip, and its iridium alloy has durability over 110,000 miles.