Denso Spark Plugs SK20HR11 - 4 Pcs For Toyota Vitz 2017-2023

Description:

The Denso SK20HR11 spark plugs are high-performance, long-life ignition components specifically designed to meet the demanding requirements of modern engines like the Toyota Vitz (2017–2023) equipped with the 1KR-FE engine. These spark plugs use iridium for the center electrode and platinum for the ground electrode, providing exceptional durability, superior ignition efficiency, and long service intervals. Denso’s precision-engineered construction ensures consistent spark, improved fuel combustion, and reduced emissions.

Built to Original Equipment Manufacturer (OEM) standards, the SK20HR11 plugs are a direct replacement for factory-installed spark plugs and require no modifications. Their fine-wire electrode design allows for a stable spark with low voltage, enhancing cold starts, throttle response, and fuel economy. Whether you're performing routine maintenance or resolving misfire issues, these spark plugs are ideal for ensuring optimal engine performance.

Specifications:

• Designed for: Toyota Vitz (2017–2023) with 1.0L 1KR-FE engine

• Manufacturer: Denso Corporation

• Part Number: SK20HR11

• Quantity: 4 spark plugs per pack

• Thread Diameter: 14 mm

• Thread Reach: 26.5 mm

• Thread Pitch: 1.25 mm

• Hex Size: 16 mm (5/8 inch)

• Seat Type: Flat

• Center Electrode Material: Iridium (fine wire, 0.7 mm diameter)

• Ground Electrode Material: Platinum

• Electrode Gap: Pre-set to 1.1 mm

• Resistor Type: Yes (5 kΩ resistance)

• Heat Range: 20 (Denso scale)

• Terminal Type: Solid terminal nut

• Lifespan: Approximately 80,000 to 100,000 km (50,000 to 60,000 miles)

• Fuel Compatibility: Petrol/Gasoline

• Performance Benefits:

  • Improved cold start performance

  • Enhanced ignition reliability under all driving conditions

  • Better fuel economy and reduced emissions

  • Long-lasting durability under high temperatures and pressures

• Installation Torque:

  • Aluminum cylinder head: 20–30 Nm (15–22 lb-ft)

  • Cast iron cylinder head: 35–40 Nm (26–30 lb-ft)