RLP XP5701 Iridium-Platinum Spark Plugs for 3.6L V6 — Set of 6, 0.6mm Tip & 0.034" Gap

The RLP XP5701 is a six-pack iridium-platinum spark plug set engineered to deliver reliable ignition, longer service life, and improved fuel efficiency for 3.6L V6 engines used across select Dodge, Chrysler, Jeep, Ram and other makes.

These RLP XP5701 spark plugs combine an iridium center tip with a platinum ground electrode to provide a stable spark and resist wear under high temperatures. Designed with a fine 0.6 mm center electrode and a 0.034" (0.9 mm) gap, the plugs aim for fast ignition response and consistent combustion. The plugs use a 5/8" (16 mm) hex and 12 mm thread diameter to match OE-style fitment and are rated for an expected service life up to 60,000 kilometers.

Will these plugs fit my 3.6L V6 vehicle?

Compatibility covers a wide range of models that use the 3.6L V6 configuration. The listing specifically references many Chrysler, Dodge, Jeep, Ram and other OEM platforms — check the vehicle years and models for exact fitment before purchase.

• Designed for many 2011–2025 Chrysler, Dodge, Jeep, Ram vehicles with 3.6L V6 engines.
• Also compatible with specific Acura, BMW, Honda and Volkswagen models that use equivalent spark plug specifications.
• Replaces part numbers XP5701, 7751, and 9407 for direct substitution.

How do the iridium and platinum materials affect performance?

Iridium and platinum are chosen for their high melting points and conductivity, which makes the electrodes more resistant to erosion and heat-related wear. The fine iridium center tip concentrates the spark for quicker ignition while the platinum ground electrode enhances durability, helping maintain a consistent gap over time.

• 0.6 mm iridium center electrode for a focused, efficient spark.
• Platinum ground electrode to slow electrode wear and preserve gap.
• Designed resistance ~4000 ohms to match ignition system requirements.

What installation and maintenance details should I know?

Installation follows conventional spark plug procedures: confirm correct torque, use anti-seize if recommended by your repair manual, and verify the gap before fitting. The plug has a 5/8" (16 mm) hex and 12 mm thread diameter for standard tools, and a factory gap of 0.034" (0.9 mm) that may be checked or adjusted as needed.

• Hex size: 5/8" (16 mm) for common socket fitment.
• Thread diameter: 12 mm — matches OE seats for compatible engines.
• Factory gap 0.034" (0.9 mm); designed life ≈ 60,000 km under typical driving.

What warranty and support come with the plugs?

RLP backs these XP5701 iridium-platinum plugs with a 12-month warranty to cover manufacturing defects or early failures. Customer service is available to respond promptly to any product concerns so you can replace or address issues within the warranty period.

• 12-month limited warranty included from RLP.
• Responsive support commitment to reply within 24 hours for service inquiries.
• Replaceable under stated warranty terms if defects arise.

Who is this for: The RLP XP5701 set is intended for vehicle owners and independent mechanics who need OE-equivalent spark plugs for 3.6L V6 engines across Chrysler, Dodge, Jeep, Ram and several other compatible models. Choose this kit if you want a durable iridium-platinum electrode combination, standard-fit dimensions (5/8" hex, 12 mm thread), and a plug designed for extended service life up to about 60,000 kilometers. Always confirm exact part compatibility with your vehicle’s year, make, and engine code before installation.