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Description
NGK Spark Plug for Mitsubishi & Smart - ILZFR6C-KVehicle Fitment & Part Details This NGK spark plug (ILZFR6C K) is supplied as an OEM grade replacement. Heat range 6. Thread M14 x 1,25. Verify VIN engine before ordering. Key Details SKU ILZFR6C K Alternate Search Reference ILZFR6CK Component Spark Plug Brand NGK Heat Range 6 Part MPN 6645 GTIN Barcode 087295166451 Trade Numbers ILZFR6C K Product Specifications Thread Size M14 x 1,25 Thread Length [mm] 26,5 Spanner Size 16 mm Spark Position [mm] 5,0
Vehicle Fitment & Part Details
This NGK spark plug (ILZFR6C-K) is supplied as an OEM-grade replacement. Heat range 6. Thread M14 x 1,25. Verify VIN/engine before ordering.
Key Details
- SKU
- ILZFR6C-K
- Alternate Search Reference
- ILZFR6CK
- Component
- Spark Plug
- Brand
- NGK
- Heat Range
- 6
- Part MPN
- 6645
- GTIN / Barcode
- 087295166451
- Trade Numbers
- ILZFR6C-K
Product Specifications
- Thread Size
- M14 x 1,25
- Thread Length [mm]
- 26,5
- Spanner Size
- 16 mm
- Spark Position [mm]
- 5,0
- Electrode / Construction
- Iridium Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with gasket seat, Fixed SAE connector
- Brand Class
- Premium
Vehicle Compatibility
Common fitments include Mitsubishi (COLT); Smart (FORFOUR). Always confirm the correct heat range and electrode design for your specific engine variant by VIN before ordering.
OEM Reference Numbers
Vehicle OE Numbers
- AMG: 122 159 00 03, A 122 159 00 03
- Mercedes-Benz: 122 159 00 03, A 122 159 00 03
- Mitsubishi: 1822 A005
- Smart: 122 159 00 03, A 122 159 00 03
Fitment Notes
- Always match heat range, thread size and electrode design before ordering. Verify VIN/engine.
Important: Spark plugs are not returnable, exchangeable, or refundable once fitted. Confirm you are ordering the correct part for your vehicle. Compare the new spark plug to the removed plug for thread reach, thread diameter, hex size, electrode style, gap specification, and heat range before fitting. Mismatched spark plugs can cause misfires, pre-ignition, detonation, fouling, or engine damage.
Returns Notice: Once a spark plug has been fitted or threaded into a cylinder head, it cannot be returned, exchanged, or refunded under any circumstances.
Installation / Use / Maintenance Tips
- Allow the engine to cool fully before removal - cylinder heads are easily damaged when warm.
- Use the correct deep-socket plug spanner (16 mm) and avoid impact tools.
- Inspect the existing plug for fouling, oil contamination, or worn electrodes - may indicate engine condition issues.
- Verify the gap if your supplied plug is not factory-set; consult your service manual for the correct value.
- Apply a small amount of anti-seize to the threads (sparingly) and torque to manufacturer specification.
Common Questions
Will this NGK spark plug fit my Mitsubishi?
This part (ILZFR6C-K) is listed for the applications shown on this page. Always confirm the correct heat range, thread size and electrode design against your vehicle's service manual or a parts lookup before ordering. Verify VIN/engine.
What does the NGK part code mean?
The NGK trade number encodes physical and performance characteristics - thread/reach, electrode design, heat rating, and projection. Each digit and letter has meaning in NGK's naming convention. The heat range is usually the standalone digit (e.g. BPR6ES is heat range 6).
What is the difference between this NGK plug and a Bosch / Champion / Denso equivalent?
The cross-references listed under OEM Reference Numbers are functionally equivalent for the same applications, but materials, electrode design and heat dissipation can differ slightly. NGK is OEM-supply quality and most manufacturers specify NGK or Denso as their factory plug.
How do I confirm fitment if my engine variant isn't listed?
Match the supplied thread size, reach, electrode design and heat range against your existing plug. If unsure, request fitment assistance before ordering.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy