Model No: IZFR6K13
NGK Iridium Platinum Spark Plug
6774, Fits Honda Fit, City, Sidi, Everus
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NGK IZFR6K13 (6774) Laser Iridium Platinum Spark Plug
TheNGK IZFR6K13 (stock number 6774) is a premium NGK Iridium Platinum spark plug from the Laser Iridium range, factory OE-equivalent for a wide family of modern Honda gasoline engines. It is the original-equipment plug specified for the Honda Fit / Jazz, City (Fengfan / Sidie), Civic, CR-Z, Element, Accord and the China-market Everus S1 (理念) — and the direct upgrade/replacement when a worn nickel plug needs to be swapped back to OE specification.
What makes this NGK IZFR6K13 spark plug a premium part is the electrode construction: an ultra-fine 0.6 mm iridium centre electrode laser-welded to a copper core, paired with a platinum-tipped ground electrode. The fine iridium tip requires lower firing voltage, ignites lean mixtures more reliably and maintains a consistent gap over extreme mileage; the platinum pad on the ground side virtually eliminates electrode wear. The result is an OE service interval of up to 100,000–160,000 km (60,000–100,000 miles) on engines designed for long-life plugs — roughly 2–3× the life of a standard nickel plug.
Technical spec follows Honda i-VTEC OE layout: M14 × 1.25 thread, 19 mm reach, 16 mm hex, gasket seat, integrated resistor, and a pre-set gap of ~1.3 mm (0.052 in). The wide gap is calibrated for Honda's distributorless ignition system (DLIC / coil-on-plug) and should NOT be narrowed to a nickel-plug spec — always install at the factory setting.
It cross-references the Honda OE numbers 12290-RB1-003,12290-PNA-003 / 12290-PNA-0030and9807B-56A7W, covering the L13A / L15A / R18A / K20A engine families used across the Fit / Jazz (2001–2019), City / Fengfan / Sidie, Civic, CR-Z and Everus S1.
Sold individually in factory-sealed retail boxes, or in 4-packs for the 4-cylinder Honda service interval. Distributors, Honda-specialist workshops and online sellers should note that counterfeit Laser Iridium plugs are common in the grey market — sourcing genuine NGK 6774 from an authorised channel is the only way to protect the 100k km warranty claim.
Key Features
- NGK Laser Iridium premium series, part IZFR6K13, stock 6774.
- 0.6 mm laser-welded iridium centre electrode on copper core + platinum ground electrode pad.
- Up to 100,000–160,000 km (60k–100k miles) service life — 2–3× nickel plugs.
- M14 × 1.25 × 19 mm, 16 mm hex, gasket seat, resistor type.
- Pre-set wide gap ~1.3 mm (0.052 in) for Honda coil-on-plug ignition.
- OE numbers: Honda 12290-RB1-003 / 12290-PNA-003 / 9807B-56A7W.
- Direct fit for Honda Fit / Jazz, City, Civic, CR-Z, Everus S1.
- Smooth cold starts, stable idle, improved fuel economy and throttle response.
Specifications
Item | Value |
Brand | NGK (Niterra) |
Part Number | IZFR6K13 |
Stock / MPN | 6774 |
Series | NGK Laser Iridium (Iridium + Platinum) |
Centre Electrode | 0.6 mm iridium, laser-welded, copper core |
Ground Electrode | Platinum-tipped, 1 electrode |
Thread | M14 × 1.25 (14 mm) |
Reach | 19 mm (3/4") |
Hex / Wrench | 16 mm |
Seat Type | Gasket seat |
Heat Range | 6 |
Gap (factory) | ~1.3 mm (0.052 in) |
Resistor | Yes |
Insulator | Ceramic |
OE cross-ref | Honda 12290-RB1-003 / 12290-PNA-003 / 9807B-56A7W |
Service Life | 100,000–160,000 km (per Honda schedule) |
Pack | Single box / 4-pack |
Vehicle Fitment
Make | Model | Engine / Years |
Honda | Fit / Jazz 飞度 | L13A / L15A, 2001–2019 |
Honda | City / Fengfan / Sidie 锋范 / 思迪 | L13A / L15A, 2002–2014 |
Honda | Civic 思域 | R18A / K20A (relevant gens.) |
Honda | CR-Z / Element / Accord | selected petrol |
Everus (Guangqi Honda) | S1 理念 | L13A / L15A |
Acura | selected small displacement | verify by VIN |
Fitment note: engine codes and model years vary by market. Always confirm by the original OE spark-plug number stamped on the old plug, or by VIN. This listing is intended as a guide only.
Why Premium
- Lower firing voltage — fine iridium tip puts less load on ignition coils.
- Long life — platinum ground pad resists erosion; gap stays factory-set for 100k+ km.
- Better fuel economy & emissions — stable lean ignition reduces misfires.
- OE match — identical to the plug the car left the factory with.
- Cold-start smoothness — faster flame kernel, quieter idle.
