
Bosch · Part number FR7KC · NZ$23.00 incl. GST
For your trusty Toyota Corolla, zippy Yaris, rugged Hilux Surf, or the ever-reliable Nissan Navara and Bluebird, these Spark Plugs are the unsung heroes of your engine, delivering that essential spark to get your motor humming and keep you cruising smoothly down any Kiwi road.
NZ$23.00 including GST. Part number FR7KC.
Spark Plugs: The Gutsy Little Igniters Your Engine Craves — Featuring BOSCH!
> Right, let's talk spark plugs – these little beauties are the absolute heart of your petrol engine's ignition system, firing off a whopping 20,000+ volt spark thousands of times a minute to get that combustion party started! But over time, all that hard yakka means they wear down, get a bit gunky, and the gap widens. You'll really notice it in our tough New Zealand conditions, whether you're commuting in a Toyota Corolla, tearing up the back roads in a Hilux Surf, or working hard with a Nissan Navara, facing everything from salty coastal breezes to dusty farm tracks.
Symptoms That Led You Here
• Hard starting or extended cranking, especially on cold Kiwi mornings
• Rough idle or engine misfires at traffic lights
• Noticeable drop in fuel economy (your Yaris suddenly drinking more than usual)
• Hesitation or stumbling during acceleration
• Check engine light illuminated (often P0300-P0304 misfire codes)
• Failed emissions test or visible black smoke from exhaust
Will it pass WOF?
Spark plugs themselves aren't a direct WOF inspection item, but the symptoms of worn plugs absolutely can cause a failure. Excessive exhaust emissions, rough running engines, and illuminated warning lights are all grounds for WOF rejection under NZTA guidelines. Keeping your ignition system healthy ensures your Corolla or Navara sails through inspection.
DIY or Workshop?
Difficulty: 3/10 (most 4-cylinder engines) to 6/10 (V6 or boxer configurations)
Estimated time: 30-60 minutes for inline 4-cylinder engines
Tools required: Spark plug socket (16mm or 21mm typically), ratchet with extension, torque wrench, gap gauge, anti-seize compound
For straightforward engines like the Toyota Yaris or Echo, this is an excellent weekend DIY job. The Hilux Surf's V6 or turbocharged Bluebird may require more patience accessing rear cylinders.
Expert Recommendation
Bob and the CARFIX team recommend replacing spark plugs every 30,000-60,000km for standard copper plugs, or up to 100,000km for iridium/platinum variants—though NZ's stop-start urban driving and dusty rural conditions often warrant earlier inspection. This BOSCH FR7KC spark plug delivers precise German engineering with consistent electrode gap and excellent heat dissipation, making it ideal for the broad range of Toyota and Nissan applications it fits.
Bob @ CARFIX is always on hand to help you work out exactly what spark plug you need for your Corolla, Yaris, Navara, or any other vehicle. Make sure you head over to Bob's Shop for a chat!
Fitment Notes
• Confirmed fitment across Toyota Corolla (1991-1995, 1998-2001), Yaris/Vitz variants (1999-2020), Echo, Belta/Platz, and Hilux Surf (1998-2002)
• Suits Nissan Bluebird 2000 SSS Turbo (1991-1996), Navara (1992-1997), and 100NX/NX GTI (1991-1994)
• Always verify your engine code—some model years have multiple engine options with different plug specifications
• Check electrode gap against your vehicle's service manual before installation (typically 0.8-1.1mm)
• 72+ additional applications—contact Bob to confirm fitment for unlisted variants
---
🛠️ Bob's Pro Tip: Do the Job Right!
> If you're replacing this spark plug, make sure you've got the right workshop prep, protection, and safety gear ready. Taking a bit of extra time and using the proper safety stands and cleaners makes all the difference for a professional result!
🧰 What Else You'll Need:
• Safety First: Always secure your vehicle on heavy-duty safety jack stands before working underneath. Never rely solely on a hydraulic jack.
• Clean Hands: Keep a pack of Nitrile Gloves handy to protect your skin from grease, oils, and chemical sprays.
• Preparation: Have microfibre towels and a suitable parts cleaner nearby to keep components clean during installation.