Homeβ€Ί Bosch FR7NI33 Spark Plug
Part #: FR7NI33

Bosch FR7NI33 Spark Plug

OE Fine Wire Iridium
98 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement β€” Bolt-on fit, no modifications needed
OE Fine Wire Iridium
Fitment: Volvo, Land Rover, Subaru, and Saab, S80, C30, C70, LR2, S40, V50, V70, XC60, XC70, XC90, Legacy, Outback, S60, Forester, B9 Tribeca, Impreza, 9-2X, and Baja
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Overview of Bosch FR7NI33 Spark Plug

The Bosch FR7NI33 spark plug is engineered for reliable ignition performance in select Land Rover, Saab, Subaru, and Volvo models. Designed with precision materials and specifications, this spark plug supports efficient combustion and consistent engine operation.

  • Part Number: FR7NI33
  • Brand Line: OE Fine Wire Iridium
  • Resistance: 6000 ohms
  • Pre-gap Size: 0.7 mm
  • Thread Diameter: 14 mm
  • Reach: 26.5 mm
  • Hex Size: 16 mm
  • Seat Type: Flat
  • Manufacturer Heat Range: 7
  • Center Electrode Tip Material: Platinum-iridium
  • Ground Electrode Tip Material: Platinum-iridium and nickel-yttrium
  • Insulator Material: Ceramic
  • Spark Plug Type: 4-cycle engines

OE Fine Wire Iridium Product Line Details

The OE Fine Wire Iridium line by Bosch focuses on delivering spark plugs with fine wire electrodes made from durable iridium alloys. This design enhances ignition reliability and longevity, reducing electrode wear and maintaining stable spark performance. The FR7NI33 spark plug benefits from this technology, providing consistent ignition for vehicles requiring precise spark plug specifications.

Technical Description and Features

The Bosch FR7NI33 spark plug features a single ground electrode with a standard tip design and a flat seat type, ensuring proper sealing and fitment. The center electrode core is composed of nickel-yttrium and copper, while the tip combines platinum-iridium for enhanced durability and conductivity. The spark plug includes a 6000 ohm resistor to reduce electrical noise interference. Its ceramic insulator is non-projected, contributing to reliable insulation and heat dissipation. With a manufacturer heat range of 7, this spark plug is suitable for moderate to high operating temperatures.

Compatible Vehicles and Applications

  • Land Rover LR2
  • Saab 9-2X
  • Subaru B9 Tribeca, Baja, Forester, Impreza, Legacy, Outback
  • Volvo C30, C70, S40, S60, S80, V50, V70, XC60, XC70, XC90

This spark plug is designed for 4-cycle engines in these models, ensuring proper ignition and engine performance.

Common Issues Addressed by Bosch FR7NI33

  • Misfiring or rough idling due to worn spark plugs
  • Difficulty starting the engine
  • Reduced fuel efficiency from incomplete combustion
  • Engine hesitation or power loss under load
  • Electrical interference affecting engine sensors

Installation Notes and Tips

When installing the Bosch FR7NI33 spark plug, verify the correct gap of 0.7 mm before installation. Use a torque wrench to tighten the spark plug to manufacturer specifications to avoid damage to the flat seat or threads. Ensure the spark plug threads are clean and free of debris. This spark plug is designed for 14 mm thread diameter and 26.5 mm reach, so confirm compatibility with your vehicle’s engine. Avoid over-tightening to prevent thread stripping.

Quality Assurance and Warranty

Bosch manufactures the FR7NI33 spark plug to meet OE standards, using high-quality materials such as platinum-iridium and ceramic insulators for durability and consistent performance. The inclusion of a resistor helps reduce electrical noise, supporting vehicle electronics. While specific warranty details are not provided here, Bosch products typically come with manufacturer-backed quality assurance to ensure reliability in automotive ignition systems.

BrandBosch
Part NumberFR7NI33
PositionOE Fine Wire Iridium
Cases Per Pallet (ORLY)60
Center Electrode Core MaterialNickel-Yttrium and Copper
Center Electrode Tip MaterialPlatinum-Iridium
Ground ConfigurationStandard
Ground Electrode Quantity1
Ground Electrode Tip DesignStandard
Ground Electrode Tip MaterialPlatinum-Iridium and Nickel-Yttrium
Hex Size16
Insulator MaterialCeramic
Insulator TypeNon-Projected
Manufacturer Heat Range7
Outdoor Power Equipment ApplicationNo
Package ContentsSpark Plug
Pre-Gap Size.7
Product Length3.295276 in
Product Width0.748031 in
Reach26.5
Resistance6000
ResistorYes
Seat TypeFlat
Short StyleNo
Spark Plug Type4-Cycle
Thread Diameter14
Unit(s) per Car Qty (ORLY)6

This part fits 98 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2014VolvoS803.2LL6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium and Ground Electrode Pin Material is Platinum; OE Fine Wire Iridium
2013VolvoC302.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2013VolvoC702.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2013VolvoS803.2LL6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium and Ground Electrode Pin Material is Platinum; OE Fine Wire Iridium
2012Land RoverLR23.2LL6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2012VolvoC302.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2012VolvoC702.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2012VolvoS803.2LL6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium and Ground Electrode Pin Material is Platinum; OE Fine Wire Iridium
2011Land RoverLR23.2LL6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2011VolvoC302.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2011VolvoC702.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2011VolvoS402.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2011VolvoS803.2LL6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium and Ground Electrode Pin Material is Platinum; OE Fine Wire Iridium
2011VolvoV502.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2010Land RoverLR23.2LL6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2010VolvoC302.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2010VolvoC702.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2010VolvoS402.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2010VolvoS803.2LL6N/ADo Not Gap, Gap is Preset; To Chassis # 134000; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2010VolvoS803.0LL6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2010VolvoV502.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2010VolvoV703.2LL6N/ADo Not Gap, Gap is Preset; To Chassis # 134000; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2010VolvoXC603.0LL6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2010VolvoXC603.2LL6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2010VolvoXC703.2LL6N/ADo Not Gap, Gap is Preset; To Chassis # 94000; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2010VolvoXC703.2LL6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2010VolvoXC703.0LL6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2010VolvoXC903.2LL6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2009Land RoverLR23.2LL6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2009SubaruLegacy3.0LH6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2009SubaruOutback3.0LH6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2009VolvoC302.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2009VolvoC702.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2009VolvoS402.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2009VolvoS602.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2009VolvoS602.4LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2009VolvoS803.2LL6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2009VolvoS803.0LL6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2009VolvoV502.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2009VolvoV703.2LL6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2009VolvoXC703.0LL6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2009VolvoXC703.2LL6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2009VolvoXC903.2LL6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2008Land RoverLR23.2LL6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2008SubaruForester2.5LH4N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2008SubaruLegacy3.0LH6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2008SubaruOutback3.0LH6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2008VolvoC302.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2008VolvoC702.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2008VolvoS402.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2008VolvoS602.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2008VolvoS602.4LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2008VolvoS803.2LL6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2008VolvoS803.0LL6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2008VolvoV502.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2008VolvoV703.2LL6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2008VolvoXC703.2LL6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2008VolvoXC903.2LL6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2007SubaruB9 Tribeca3.0LH6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2007SubaruForester2.5LH4N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2007SubaruImpreza2.5LH4N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2007SubaruOutback3.0LH6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2007VolvoC702.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2007VolvoS402.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2007VolvoS602.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2007VolvoS602.4LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2007VolvoS803.2LL6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2007VolvoV502.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2007VolvoV702.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2007VolvoXC903.2LL6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2006Saab9-2X2.5LH4N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2006SubaruB9 Tribeca3.0LH6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2006SubaruBaja2.5LH4N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2006SubaruForester2.5LH4N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2006SubaruImpreza2.5LH4N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2006SubaruOutback3.0LH6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2006VolvoC702.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2006VolvoS402.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2006VolvoS602.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2006VolvoS602.4LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2006VolvoV502.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2006VolvoV702.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2005SubaruBaja2.5LH4N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2005SubaruForester2.5LH4N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2005SubaruImpreza2.5LH4N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2005SubaruOutback3.0LH6N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2005VolvoS402.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2005VolvoS602.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2005VolvoS602.4LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2005VolvoV502.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2005VolvoV702.4LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2005VolvoV702.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2004SubaruBaja2.5LH4N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2004SubaruForester2.5LH4N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2004SubaruImpreza2.5LH4N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2004VolvoS402.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2004VolvoS602.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium
2004VolvoV702.5LL5N/ADo Not Gap, Gap is Preset; Original Center Electrode Material is Iridium; OE Fine Wire Iridium

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.