Sixity Auto DENSO Spark Plugs for Toyota 4Runner 3.4L V6 — 6pc Pre-Gapped 0.044 Resistor

These six DENSO standard resistor spark plugs are an OE-quality replacement sized and gapped (0.044") for Toyota 4Runner 3.4L V6 models from 1996 through 2002.

Keep your 4Runner running reliably with a full set of genuine DENSO spark plugs supplied by Sixity Auto. Engineered to match original equipment specifications, these plugs restore consistent ignitions, help reduce misfires and support steady idle and throttle response. They are pre-gapped to 0.044" and designed as resistor-type units—compatible with the factory ignition system and recommended for the 3.4L V6 engines found in 1996–2002 Toyota 4Runners.

Will these spark plugs fit my 1998 Toyota 4Runner 3.4L V6?

Yes. This six-pack matches the factory specifications for Toyota 4Runner 3.4L V6 model years 1996 through 2002 and comes pre-set to the correct gap. Installation is straightforward when following your vehicle’s service manual and torque specifications.

• Exact application: Toyota 4Runner 1996–2002, 3.4L V6
• Pre-gapped to 0.044" for immediate installation
• Resistor-type plug compatible with stock ignition systems

How do these DENSO plugs affect engine performance and reliability?

DENSO spark plugs are built to promote a stronger, more consistent spark which improves combustion completeness. That helps minimize misfires, supports smoother idling and can contribute to steadier throttle response—especially important for older engines that benefit from maintenance-grade replacement parts.

• Optimized ground electrode for a larger spark nucleus
• Designed to reduce fouling and erratic starts caused by poor ignition
• Supports efficient flame travel for consistent combustion

What makes DENSO an auto parts brand I can trust?

DENSO supplies many original equipment components and invests heavily in product development and quality control. Their aftermarket plugs use proven designs and materials that have earned industry recognition for consistency and durability, making them a dependable choice for maintenance and repairs.

• Manufacturer recognized for strict quality standards
• Proven aftermarket innovations in spark plug technology
• Used widely as OE and replacement parts across many manufacturers

How should I install and maintain these spark plugs?

Install using the torque and tightening pattern specified in your Toyota service manual; over-tightening can damage threads while under-tightening harms sealing. Inspect plugs during regular tune-ups and replace them as part of scheduled maintenance or if you observe misfires, excessive deposit buildup, or ignition issues.

• Follow manufacturer torque specs and tightening sequence
• Check plug condition during routine inspections or tune-ups
• Replace full set to maintain balanced firing across cylinders

Who this is for: This six-pack is intended for owners, mechanics and DIY enthusiasts servicing a Toyota 4Runner with the 3.4L V6 engine built between 1996 and 2002 who want an OE-quality, pre-gapped resistor spark plug replacement. It’s especially suited to those restoring driving smoothness, correcting misfires, or maintaining reliable daily and off-road performance without modifying the factory ignition system.

Features:

• Genuine DENSO parts built to OE specifications
• Pre-gapped to 0.044" for compatible 3.4L V6 installations
• Resistor plug design to pair with factory ignition components
• Engineered to encourage more complete combustion and reduce misfires