Description
NGK LFR6B Spark Plug – 6677
This NGK spark plug is a dependable OE-quality replacement for many modern petrol engines. It delivers a clean, consistent spark for smooth idle, reliable cold starts, and steady performance. The resistor design helps cut radio interference, while the heat range is well balanced for everyday road use.
Use this plug where LFR6B is specified by the vehicle manufacturer. Always confirm fitment with the site’s vehicle lookup or check the Vehicle Fitment tab.
- Stable spark for smooth running and efficient combustion
- Resistor type to reduce electrical noise in the vehicle’s systems
- Durable nickel alloy electrodes with a copper core for better heat control
Important: Check and set the gap to your vehicle’s specification. Torque to the manufacturer’s value, especially on aluminium cylinder heads.
| Part Number | LFR6B |
| NGK Stock Number | 6677 |
| GTIN | 087295166772 |
| Category | 686 – Spark Plug |
| Spark Plug Type | Standard, resistor |
| Heat Range (NGK) | 6 |
| Thread Diameter | 14 mm |
| Thread Reach | 19 mm |
| Hex Size | 16 mm (5/8 inch) |
| Seat Type | Flat seat with gasket |
| Centre Electrode | Nickel alloy with copper core |
| Ground Electrode | Standard single ground |
Fitment Guidance
Fits petrol engines that specify NGK LFR6B. Use the vehicle lookup to confirm, or see the Vehicle Fitment tab for full details.
The price displayed is for a single plug, please add the desired amount to your basket.
FIESTA V (JH_, JD_) 1.25 16V (M7JA/M7JB) | 70hp
Petrol 1242cc | Hatchback | 2003 - 2008
FIESTA V (JH_, JD_) 1.25 16V (FUJA/FUJB) | 75hp
Petrol 1242cc | Hatchback | 2002 - 2008
FIESTA V (JH_, JD_) 1.4 TDCi (F6JA/F6JB) | 68hp
Diesel 1399cc | Hatchback | 2001 - 2008
FIESTA V (JH_, JD_) 1.6 TDCi (HHJA/HHJB) | 90hp
Diesel 1560cc | Hatchback | 2004 - 2008
FIESTA V Van 1.4 TDCi (F6JA/F6JB) | 68hp
Diesel 1399cc | Hatchback Van | 2003 - 2010
FIESTA V Van 1.6 TDCi (HHJA/HHJB/HHJD) | 90hp
Diesel 1560cc | Hatchback Van | 2007 - 2009
FIESTA VI (CB1, CCN) 1.0 (P4JA/P4JB/P4JC/P4JD) | 80hp
Petrol 998cc | Hatchback | 2012 - 2017
FIESTA VI (CB1, CCN) 1.0 (XMJA/XMJB/XMJC/XMJD) | 65hp
Petrol 998cc | Hatchback | 2013 - 2017
FIESTA VI (CB1, CCN) 1.0 EcoBoost (M1JE/M1JH) | 125hp
Petrol 998cc | Hatchback | 2012 - 2017
FIESTA VI (CB1, CCN) 1.0 EcoBoost (SFJA/SFJB/SFJC/SFJD) | 100hp
Petrol 998cc | Hatchback | 2013 - 2017
FIESTA VI (CB1, CCN) 1.0 Sport (YYJA/YYJB) | 140hp
Petrol 998cc | Hatchback | 2014 - 2017
FIESTA VI (CB1, CCN) 1.25 (STJA/STJB/STJC/STJD) | 60hp
Petrol 1242cc | Hatchback | 2008 - 2017
FIESTA VI (CB1, CCN) 1.25 (SNJA/SNJB/SNJC/SNJD) | 82hp
Petrol 1242cc | Hatchback | 2008 - 2017
FIESTA VI (CB1, CCN) 1.4 (RTJA/RTJB/SPJA/SPJC/SPJE) | 97hp
Petrol 1388cc | Hatchback | 2008 - 2017
FIESTA VI (CB1, CCN) 1.4 LPG (RTJA/RTJB/RTJD/SPJA/SPJC/SPJE) | 97hp
Petrol/Liquified Petroleum Gas (LPG) 1388cc | Hatchback | 2009 - 2017
FIESTA VI (CB1, CCN) 1.4 TDCi (F6JD/KVJA) | 70hp
Diesel 1399cc | Hatchback | 2010 - 2012
FIESTA VI (CB1, CCN) 1.4 TDCi (F6JB/F6JD) | 68hp
Diesel 1399cc | Hatchback | 2008 - 2012
FIESTA VI (CB1, CCN) 1.5 TDCi (XVJB/XVJC) | 95hp
Diesel 1499cc | Hatchback | 2015 - 2017
FIESTA VI (CB1, CCN) 1.5 TDCi (UGJC/XUJA/XUJB) | 75hp
Diesel 1499cc | Hatchback | 2012 - 2017
FIESTA VI (CB1, CCN) 1.6 TDCi (T3JA/TZJA/TZJB) | 95hp
Diesel 1560cc | Hatchback | 2010 - 2015
FIESTA VI (CB1, CCN) 1.6 TDCi (HHJC/HHJD/HHJE) | 90hp
Diesel 1560cc | Hatchback | 2008 - 2012
FIESTA VI (CB1, CCN) 1.6 TDCi (HHJF/UBJA) | 75hp
Diesel 1560cc | Hatchback | 2008 - 2012
FIESTA VI (CB1, CCN) 1.6 Ti (U5JA) | 134hp
Petrol 1596cc | Hatchback | 2010 - 2017
FIESTA VI (CB1, CCN) 1.6 Ti (HXJA/HXJB/HXJE/RVJA) | 120hp
Petrol 1596cc | Hatchback | 2008 - 2012
FIESTA VI (CB1, CCN) 1.6 Ti (IQJA/IQJC/IQJE) | 105hp
Petrol 1596cc | Hatchback | 2012 - 2017
FIESTA VI Van 1.0 (P4JA/P4JB/P4JC/P4JD) | 80hp
Petrol 998cc | Hatchback Van | 2012 - 2017
FIESTA VI Van 1.0 (XMJA/XMJB/XMJC/XMJD) | 65hp
Petrol 998cc | Hatchback Van | 2013 - 2017
FIESTA VI Van 1.0 EcoBoost (YYJA/YYJB) | 140hp
Petrol 998cc | Hatchback Van | 2014 - 2017
FIESTA VI Van 1.0 EcoBoost (SFJA/SFJB/SFJC/SFJD) | 100hp
Petrol 998cc | Hatchback Van | 2013 - 2017
FIESTA VI Van 1.0 EcoBoost (M1JE/M1JH) | 125hp
Petrol 998cc | Hatchback Van | 2012 - 2017
FIESTA VI Van 1.25 (SNJA/SNJB/SNJC/SNJD) | 82hp
Petrol 1242cc | Hatchback Van | 2009 - 2017
FIESTA VI Van 1.4 (SPJA/SPJC) | 97hp
Petrol 1388cc | Hatchback Van | 2008 - 2012
FIESTA VI Van 1.6 Ti-VCT (HXJA/HXJB) | 120hp
Petrol 1596cc | Hatchback Van | 2008 - 2012
KA+ III (UK, FK) 1.2 (B2KA) | 70hp
Petrol 1198cc | Hatchback | 2016 - 2025
KA+ III (UK, FK) 1.2 (C12FDOS/ENAP) | 69hp
Petrol 1194cc | Hatchback | 2018 - 2025
KA+ III (UK, FK) 1.2 (C12FDOS/ENBI) | 85hp
Petrol 1194cc | Hatchback | 2018 - 2025
KA+ III (UK, FK) 1.2 Ti-VCT (YSKD/YSKE) | 85hp
Petrol 1196cc | Hatchback | 2016 - 2025
KA+ III (UK, FK) 1.5 TDCi (15DSOX) | 95hp
Diesel 1499cc | Hatchback | 2018 - 2025
KA+ III Saloon (TK, FK) 1.2 (TK) (YSKD/YSKE) | 85hp
Petrol 1196cc | Saloon | 2016 - 2025
Product Information