Denso Spark Plug W20EP-U

Denso Spark Plug W20EP-U

The Denso Spark Plug W20EP-U is designed to enhance the performance of a variety of vehicles, including popular Australian models from brands like Holden, Honda, Mazda, and more. This spark plug features a U-groove ground electrode design that improves combustion efficiency, leading to better fuel economy and throttle response. Ideal for DIY enthusiasts, tradies, and fleet operators, this product ensures reliable engine performance.

Manufactured by Denso Spark Plugs, a trusted name in automotive components, the W20EP-U spark plug is engineered to meet high-quality standards, making it a dependable choice for your vehicle's ignition system.

Key features

• U-groove ground electrode design for enhanced flame front and combustion efficiency
• Machine rolled threads to prevent seizing or cross-threading during installation
• 100% pre-fired for guaranteed quality and reliability
• Purified alumina powder insulator for exceptional strength and thermal conductivity
• Five rib insulator to prevent flashover
• Copper-glass seal for a gas-tight bond between the centre electrode and insulator

Technical details

• Type: Spark Plug
• Electrode Design: U-groove
• Insulator Material: Purified alumina powder
• Thread Type: Machine rolled
• Quality Assurance: 100% pre-fired

Applications / fitment

This spark plug is suitable for a wide range of vehicles, particularly those listed below. For the best fitment assurance, add your vehicle details to My Garage to activate our 100% Fitment Guarantee.

• Holden Barina 1.3 (1989-1994)
• Mitsubishi Lancer 1.5 (1988-1992)
• Nissan Datsun 200B 2.0 (1977-1981)
• Volkswagen Golf 1.6 (1976-1982)
• Subaru Leone 1.6 (1984-1991)
• Fiat 124 1.2 (1966-1973)

Why buy from Mick’s Gone Bush?

• Trusted Australian business focused on reliable power, auto-electrical, and service parts.
• Stock sourced from reputable distributors and brands.
• Practical support for trade, off-grid, and fleet customers.
• Clear shipping, warranty, and customer service.
• Expertise in power products and auto-electrical components.

Frequently asked questions

How do I install the Denso Spark Plug W20EP-U?

Ensure the engine is cool before installation. Remove the old spark plug, clean the threads, and install the new spark plug by hand to avoid cross-threading. Use a torque wrench to tighten it to the manufacturer's specifications.

Is the Denso Spark Plug W20EP-U compatible with my vehicle?

This spark plug is compatible with various models, including those from Holden, Honda, and Mazda. Use our My Garage feature to confirm fitment.

What benefits does the U-groove design provide?

The U-groove design helps to create a larger flame front and reduces flame dissipation, resulting in more complete combustion, improved fuel efficiency, and better throttle response.

How often should I replace my spark plugs?

It is generally recommended to replace spark plugs every 30,000 to 100,000 kilometres, depending on your vehicle's specifications and driving conditions.

Can I use this spark plug in a performance vehicle?

Yes, the Denso Spark Plug W20EP-U is suitable for performance vehicles as it enhances combustion efficiency, which can lead to improved engine performance.