Description
Product Overview
The Bosch 5113812-Kit ignition coil kit supports the repair and maintenance of ignition systems in various vehicles. This kit provides an OE-level, all-in-one set of matched components designed for precision fitment and reliability. Common symptoms associated with ignition system issues include misfires, poor fuel economy, and difficulty starting the engine. The Bosch 5113812-Kit is an effective choice for addressing these concerns in compatible vehicles.
Kit Contents
- 2 x Bosch – (0221503407) Ignition Coils
- 8 x NGK – (3546) Laser Platinum Spark Plugs
Cross Reference Numbers
This Bosch 5113812-Kit is equivalent to or replaces the following part numbers: 0221503407, 3546.
Vehicle Compatibility
- Land Rover Range Rover 4.0 V8 (1999–2000)
- Land Rover Discovery 4.0 V8 (1999–2002)
- Land Rover Range Rover 4.6 V8 (1999–2002)
- Land Rover Discovery 4.6 V8 (2003–2004)
This kit also fits other applications. Please use the vehicle selector tool to verify compatibility before purchase.
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Frequently Asked QuestionsWhat symptoms indicate a faulty ignition coil?
Common symptoms of a faulty ignition coil include engine misfires, sluggish acceleration, and a decrease in fuel efficiency.
How do I know if my spark plugs need replacing?
Signs that spark plugs need replacement include engine roughness, poor starting, and increased fuel consumption.
Can I use this kit to address DTC codes related to ignition issues?
This kit can help resolve diagnostic trouble codes (DTCs) related to ignition malfunctions, such as P0300 (random/multiple cylinder misfire) or P0301-P0308 (specific cylinder misfires).
Is it necessary to replace both ignition coils and spark plugs at the same time?
While it is not strictly necessary, replacing both components simultaneously can improve overall ignition system performance and reliability.
What should I check if my engine is still misfiring after installation?
If misfires persist after installation, check for other issues such as air leaks, fuel supply problems, or faulty sensors that may affect ignition performance.
Order Bosch 5113812-Kit today to support a complete, well-matched repair for your vehicle.
Note: All information on this page and in the FAQ is for general reference only. Verify fitment and consult a professional as needed. eEuroparts.com is not responsible for incorrect part selection or installation.
