When it comes time to replace the spark plugs in your Subaru Forester, it’s important to choose the best ones for your vehicle. There are a lot of different factors you need to consider when making your decision, from the type of engine you have to the climate where you live.
5th Gen Subaru Forester Spark Plugs
Best spark plugs for 2022 Subaru Forester
| Engine | 2.5L Flat 4 FB25D |
| Spark Plug Gap | – |
| Qty. Needed | 4 |
| Change Intervals | – |
| Popular Choice | – |
| Best Spark Plugs | – |
Best spark plugs for 2021 Subaru Forester
| Engine | 2.5L Flat 4 FB25D |
| Spark Plug Gap | – |
| Qty. Needed | 4 |
| Change Intervals | – |
| Popular Choice | – |
| Best Spark Plugs | – |
Best spark plugs for 2020 Subaru Forester
| Engine | 2.5L Flat 4 FB25D |
| Spark Plug Gap | – |
| Qty. Needed | 4 |
| Change Intervals | – |
| Popular Choice | – |
| Best Spark Plugs | – |
Best spark plugs for 2019 Subaru Forester
| Engine | 2.5L Flat 4 FB25D |
| Spark Plug Gap | – |
| Qty. Needed | 4 |
| Change Intervals | – |
| Popular Choice | – |
| Best Spark Plugs | – |
4th Gen Subaru Forester Spark Plugs
Best spark plugs for 2018 Subaru Forester
| Engine | 2.5L FB25 | 2.0L Turbo Flat 4 FA20F |
| Spark Plug Gap | 0.044″ (1.11mm) | 0.024″ (0.60mm) |
| Qty. Needed | 4 | 4 |
| Change Intervals | 60,000 miles | 60,000 miles |
| Popular Choice | NGK 93482 SILZKAR7B11 Laser Iridium | NGK 96024 ILKAR8H6 Laser Iridium |
| Best Spark Plugs | NGK 93501 LKAR7BIX-11S Iridium IX | NGK 96024 ILKAR8H6 Laser Iridium |
| Engine | 2.5L FB25BA |
| Spark Plug Gap | 0.044″ (1.11mm) |
| Qty. Needed | 4 |
| Change Intervals | 60,000 miles |
| Popular Choice | NGK 93482 SILZKAR7B11 Laser Iridium |
| Best Spark Plugs | NGK 93501 LKAR7BIX-11S Iridium IX |
Best spark plugs for 2017 Subaru Forester
| Engine | 2.5L FB25 | 2.0L Turbo Flat 4 FA20F |
| Spark Plug Gap | 0.044″ (1.11mm) | 0.024″ (0.60mm) |
| Qty. Needed | 4 | 4 |
| Change Intervals | 60,000 miles | 60,000 miles |
| Popular Choice | NGK 93482 SILZKAR7B11 Laser Iridium | NGK 96024 ILKAR8H6 Laser Iridium |
| Best Spark Plugs | NGK 93501 LKAR7BIX-11S Iridium IX | NGK 96024 ILKAR8H6 Laser Iridium |
| Engine | 2.5L FB25BA |
| Spark Plug Gap | 0.044″ (1.11mm) |
| Qty. Needed | 4 |
| Change Intervals | 60,000 miles |
| Popular Choice | NGK 93482 SILZKAR7B11 Laser Iridium |
| Best Spark Plugs | NGK 93501 LKAR7BIX-11S Iridium IX |
Best spark plugs for 2016 Subaru Forester
| Engine | 2.5L FB25 | 2.0L Turbo Flat 4 FA20F |
| Spark Plug Gap | 0.044″ (1.11mm) | 0.024″ (0.60mm) |
| Qty. Needed | 4 | 4 |
| Change Intervals | 60,000 miles | 60,000 miles |
| Popular Choice | NGK 93482 SILZKAR7B11 Laser Iridium | NGK 96024 ILKAR8H6 Laser Iridium |
| Best Spark Plugs | NGK 93501 LKAR7BIX-11S Iridium IX | NGK 96024 ILKAR8H6 Laser Iridium |
| Engine | 2.5L FB25BA |
| Spark Plug Gap | 0.044″ (1.11mm) |
| Qty. Needed | 4 |
| Change Intervals | 60,000 miles |
| Popular Choice | NGK 93482 SILZKAR7B11 Laser Iridium |
| Best Spark Plugs | NGK 93501 LKAR7BIX-11S Iridium IX |
Best spark plugs for 2015 Subaru Forester
| Engine | 2.5L FB25 | 2.0L Turbo Flat 4 FA20F |
| Spark Plug Gap | 0.044″ (1.11mm) | 0.024″ (0.60mm) |
| Qty. Needed | 4 | 4 |
| Change Intervals | 60,000 miles | 60,000 miles |
| Popular Choice | NGK 93482 SILZKAR7B11 Laser Iridium | NGK 96024 ILKAR8H6 Laser Iridium |
| Best Spark Plugs | NGK 93501 LKAR7BIX-11S Iridium IX | NGK 96024 ILKAR8H6 Laser Iridium |
| Engine | 2.5L FB25BA |
| Spark Plug Gap | 0.044″ (1.11mm) |
| Qty. Needed | 4 |
| Change Intervals | 60,000 miles |
| Popular Choice | NGK 93482 SILZKAR7B11 Laser Iridium |
| Best Spark Plugs | NGK 93501 LKAR7BIX-11S Iridium IX |
Best spark plugs for 2014 Subaru Forester
| Engine | 2.5L FB25 | 2.0L Turbo Flat 4 FA20F |
| Spark Plug Gap | 0.044″ (1.11mm) | 0.024″ (0.60mm) |
| Qty. Needed | 4 | 4 |
| Change Intervals | 60,000 miles | 60,000 miles |
| Popular Choice | NGK 93482 SILZKAR7B11 Laser Iridium | NGK 96024 ILKAR8H6 Laser Iridium |
| Best Spark Plugs | NGK 93501 LKAR7BIX-11S Iridium IX | NGK 96024 ILKAR8H6 Laser Iridium |
| Engine | 2.5L FB25BA |
| Spark Plug Gap | 0.044″ (1.11mm) |
| Qty. Needed | 4 |
| Change Intervals | 60,000 miles |
| Popular Choice | NGK 93482 SILZKAR7B11 Laser Iridium |
| Best Spark Plugs | NGK 93501 LKAR7BIX-11S Iridium IX |
3rd Gen Subaru Forester Spark Plugs
Best spark plugs for 2013 Subaru Forester
| Engine | 2.5L FB25BA | 2.5L FB25BC |
| Spark Plug Gap | 0.044″ (1.11mm) | 0.044″ (1.11mm) |
| Qty. Needed | 4 | 4 |
| Change Intervals | 60,000 miles | 60,000 miles |
| Popular Choice | NGK 93482 SILZKAR7B11 Laser Iridium | NGK 93482 SILZKAR7B11 Laser Iridium |
| Best Spark Plugs | Denso 3442 FXE22HR-11 Iridium Long Life | Denso 3442 FXE22HR-11 Iridium Long Life |
Best spark plugs for 2012 Subaru Forester
| Engine | 2.5L FB25BA | 2.5L FB25BC |
| Spark Plug Gap | 0.044″ (1.11mm) | 0.044″ (1.11mm) |
| Qty. Needed | 4 | 4 |
| Change Intervals | 60,000 miles | 60,000 miles |
| Popular Choice | NGK 93482 SILZKAR7B11 Laser Iridium | NGK 93482 SILZKAR7B11 Laser Iridium |
| Best Spark Plugs | Denso 3442 FXE22HR-11 Iridium Long Life | Denso 3442 FXE22HR-11 Iridium Long Life |
Best spark plugs for 2011 Subaru Forester
| Engine | 2.5L FB25BA | 2.5L FB25BC |
| Spark Plug Gap | 0.044″ (1.11mm) | 0.044″ (1.11mm) |
| Qty. Needed | 4 | 4 |
| Change Intervals | 60,000 miles | 60,000 miles |
| Popular Choice | NGK 93482 SILZKAR7B11 Laser Iridium | NGK 93482 SILZKAR7B11 Laser Iridium |
| Best Spark Plugs | Denso 3442 FXE22HR-11 Iridium Long Life | Denso 3442 FXE22HR-11 Iridium Long Life |
Best spark plugs for 2010 Subaru Forester
| Engine | 2.5L EJ253 | 2.5L EJ255 |
| Spark Plug Gap | 0.044″ (1.11mm) | 0.030″ (0.76mm) |
| Qty. Needed | 4 | 4 |
| Change Intervals | 30,000 miles | 60,000 miles |
| Popular Choice | NGK 5463 FR5AP-11 Laser Platinum | NGK 7913 SILFR6A Laser Iridium |
| Best Spark Plugs | NGK 5464 BKR5EIX-11 Iridium IX | NGK 1483 LFR6CGP G-Power Platinum |
Best spark plugs for 2009 Subaru Forester
| Engine | 2.5L EJ253 | 2.5L EJ255 |
| Spark Plug Gap | 0.044″ (1.11mm) | 0.030″ (0.76mm) |
| Qty. Needed | 4 | 4 |
| Change Intervals | 30,000 miles | 60,000 miles |
| Popular Choice | NGK 5463 FR5AP-11 Laser Platinum | NGK 7913 SILFR6A Laser Iridium |
| Best Spark Plugs | NGK 5464 BKR5EIX-11 Iridium IX | NGK 1483 LFR6CGP G-Power Platinum |
2nd Gen Subaru Forester Spark Plugs
Best spark plugs for 2008 Subaru Forester
| Engine | 2.5L EJ253 | 2.5L EJ255 |
| Spark Plug Gap | 0.044″ (1.11mm) | 0.030″ (0.76mm) |
| Qty. Needed | 4 | 4 |
| Change Intervals | 30,000 miles | 60,000 miles |
| Popular Choice | NGK 5463 FR5AP-11 Laser Platinum | NGK 6481 ILFR6B Laser Iridium |
| Best Spark Plugs | NGK 5464 BKR5EIX-11 Iridium IX | NGK 1483 LFR6CGP G-Power Platinum |
Best spark plugs for 2007 Subaru Forester
| Engine | 2.5L EJ253 | 2.5L EJ255 |
| Spark Plug Gap | 0.044″ (1.11mm) | 0.030″ (0.76mm) |
| Qty. Needed | 4 | 4 |
| Change Intervals | 30,000 miles | 60,000 miles |
| Popular Choice | NGK 5463 FR5AP-11 Laser Platinum | NGK 6481 ILFR6B Laser Iridium |
| Best Spark Plugs | NGK 5464 BKR5EIX-11 Iridium IX | NGK 1483 LFR6CGP G-Power Platinum |
Best spark plugs for 2006 Subaru Forester
| Engine | 2.5L EJ253 | 2.5L EJ255 |
| Spark Plug Gap | 0.044″ (1.11mm) | 0.030″ (0.76mm) |
| Qty. Needed | 4 | 4 |
| Change Intervals | 30,000 miles | 60,000 miles |
| Popular Choice | NGK 5463 FR5AP-11 Laser Platinum | NGK 6481 ILFR6B Laser Iridium |
| Best Spark Plugs | NGK 5464 BKR5EIX-11 Iridium IX | NGK 1483 LFR6CGP G-Power Platinum |
Best spark plugs for 2005 Subaru Forester
| Engine | 2.5L EJ253 | 2.5L EJ255 |
| Spark Plug Gap | 0.044″ (1.11mm) | 0.030″ (0.76mm) |
| Qty. Needed | 4 | 4 |
| Change Intervals | 30,000 miles | 60,000 miles |
| Popular Choice | NGK 5463 FR5AP-11 Laser Platinum | NGK 6481 ILFR6B Laser Iridium |
| Best Spark Plugs | NGK 5464 BKR5EIX-11 Iridium IX | NGK 1483 LFR6CGP G-Power Platinum |
Best spark plugs for 2004 Subaru Forester
| Engine | 2.5L EJ251 |
| Spark Plug Gap | 0.044″ (1.11mm) |
| Qty. Needed | 4 |
| Change Intervals | 30,000 miles |
| Popular Choice | NGK 2756 BKR6E-11 V-Power |
| Best Spark Plugs | NGK 3764 BKR6EIX-11 Iridium IX |
Best spark plugs for 2003 Subaru Forester
| Engine | 2.5L EJ251 |
| Spark Plug Gap | 0.044″ (1.11mm) |
| Qty. Needed | 4 |
| Change Intervals | 30,000 miles |
| Popular Choice | NGK 2756 BKR6E-11 V-Power |
| Best Spark Plugs | NGK 3764 BKR6EIX-11 Iridium IX |
1st Gen Subaru Forester Spark Plugs
Best spark plugs for 2002 Subaru Forester
| Engine | 2.5L EJ251 |
| Spark Plug Gap | 0.044″ (1.11mm) |
| Qty. Needed | 4 |
| Change Intervals | 30,000 miles |
| Popular Choice | NGK 2756 BKR6E-11 V-Power |
| Best Spark Plugs | NGK 3764 BKR6EIX-11 Iridium IX |
Best spark plugs for 2001 Subaru Forester
| Engine | 2.5L EJ251 |
| Spark Plug Gap | 0.044″ (1.11mm) |
| Qty. Needed | 4 |
| Change Intervals | 30,000 miles |
| Popular Choice | NGK 2756 BKR6E-11 V-Power |
| Best Spark Plugs | NGK 3764 BKR6EIX-11 Iridium IX |
Best spark plugs for 2000 Subaru Forester
| Engine | 2.5L EJ251 |
| Spark Plug Gap | 0.044″ (1.11mm) |
| Qty. Needed | 4 |
| Change Intervals | 30,000 miles |
| Popular Choice | NGK 2756 BKR6E-11 V-Power |
| Best Spark Plugs | NGK 3764 BKR6EIX-11 Iridium IX |
Best spark plugs for 1999 Subaru Forester
| Engine | 2.5L EJ253 |
| Spark Plug Gap | 0.044″ (1.11mm) |
| Qty. Needed | 4 |
| Change Intervals | 30,000 miles |
| Popular Choice | NGK 2756 BKR6E-11 V-Power |
| Best Spark Plugs | NGK 2756 BKR6E-11 V-Power |
Best spark plugs for 1998 Subaru Forester
| Engine | 2.5L EJ25D |
| Spark Plug Gap | 0.044″ (1.11mm) |
| Qty. Needed | 4 |
| Change Intervals | 30,000 – 60,000 miles |
| Popular Choice | NGK 7994 IFR5E-11 Laser Iridium |
| Best Spark Plugs | NGK 6953 BKR5E-11 V-Power |
When Should You Replace Spark Plugs Subaru Forester?
Most Subaru models have their spark plugs replaced every 60,000 miles. However, it’s always best to check your owner’s manual for specific guidance on when to replace the spark plugs in your Forester.
What Type of Spark Plug Does a Subaru Forester Use?
The type of spark plug you need will depend on the year and model of your Subaru Forester. In general, most newer models use iridium or platinum spark plugs while older ones use copper. You can usually find this information in your owner’s manual or by doing a quick online search.
How Much Do Spark Plugs Cost for a Subaru Forester?
Spark plugs are relatively inexpensive, especially when compared to other car parts and maintenance costs. A set of four new spark plugs typically costs between $20 and $60, depending on the type and brand you choose.
What Are the Best Spark Plugs for Subaru Forester?
The best spark plugs for Subaru Forester will depend on your individual needs and preferences. However, there are a few brands that consistently receive high marks from drivers. Some of the best spark plugs for Subaru Forester include NGK, Bosch, and Denso.
