Denso Iridium TT Spark Plug ITV20TT Fine Wire 14mm Thread

PRODUCT OVERVIEW

The Denso Iridium TT Spark Plug ITV20TT combines an ultra-fine iridium center electrode and a platinum ground electrode with a 360° laser-welded construction for long-lasting, reliable ignition performance. Its advanced design promotes strong spark, efficient combustion and improved throttle response over conventional plugs.

KEY FEATURES

• Ultra-fine 0.4mm iridium center electrode for strong, consistent spark
• Platinum ground electrode for excellent durability
• Projected fine-wire design for improved ignitability
• Engineered for longevity up to 150,000km (under normal conditions)
• Resistor construction to reduce electrical interference

TECHNICAL SPECIFICATIONS

• Part Number: ITV20TT
• Alternate Part Number: 267700-8250XR
• Center Electrode Material: Iridium
• Center Fine Wire Size: 0.4mm
• Ground Electrode Material: Platinum
• Design Type: Fine wire, projected
• Thread Size: 14mm
• Thread Pitch: 1.25mm
• Reach: 25mm (1")
• Hex Size: 5/8" (16mm)
• Seat / Shell Type: Tapered
• Resistor: Yes
• Resistor Value: 5K Ohm
• Heat Range: 20
• Isogap: 0.039" (1.0mm)
• Shape: Pin
• Quantity: 1 spark plug
• Longevity: Up to 150,000km
• Recommended Torque (cast iron head): 7–15 lb·ft
• Recommended Torque (aluminum head): 7–15 lb·ft

BENEFITS

• Enhanced ignitability for easier starts
• Stable combustion for smoother operation
• Reduced misfires and improved acceleration response
• Extended service life compared with conventional spark plugs

FITMENT NOTICE

This spark plug is supplied as a single unit. Always confirm compatibility with your specific vehicle using an appropriate parts catalog or fitment guide before purchase or installation.