NGK spark plug bpr7hs – code: 47.558.46 – Osculati

NGK BPR7HS Spark Plug – Osculati (code 47.558.46)

The NGK spark plug BPR7HS offered by Osculati (supplier code 47.558.46) is a replacement designed for the regular maintenance of outboard motors and small marine engines where this specific spark plug is required. In the nautical field, the spark plug is an essential component of the ignition system: a correct and periodic replacement helps maintain smooth engine operation and reduce typical issues related to wear, deposits, or aging of the component.

This spark plug is indicated as standard equipment on various engine brands, making it a practical choice when restoring the original configuration or when you want to use a replacement consistent with what the manufacturer specifies.

Product features and details

The product is identified as NGK BPR7HS and is marketed in the Osculati catalog with code 47.558.46. For a correct purchase, it is always advisable to check the code printed on the installed spark plug or consult the engine's technical documentation.

Identification

• Spark plug model: NGK BPR7HS
• Supplier: Osculati S.r.l.
• Supplier product code: 47.558.46

Standard installation (as per available description)

According to the information provided, this spark plug is standard equipment on engines from the following brands:

• Mariner
• Yamaha
• Suzuki
• Mercury
• Tohatsu
• Selva
• Honda

Note: the “standard” presence may vary depending on the model, year, and engine version. To avoid incompatibilities, always check the code required by the manufacturer or the match with the currently installed spark plug.

Typical applications in the nautical field

The spark plug is a consumable spare part that falls under scheduled maintenance activities and repair interventions in case of difficult starting or irregular operation. In particular, it can be useful in:

• Routine maintenance of the outboard engine, in preparation for the season or after periods of inactivity.
• Control interventions of the ignition when performing checks on carburation and the general condition of the engine.
• Spare on board: having a compatible spark plug as a spare can be practical during extended outings.
• Restoration in case of a worn, fouled, or damaged spark plug.

In a context of onboard systems and maintenance, proper management of spark plugs (visual inspection, cleaning when required, and replacement) is good practice to keep the engine operating in conditions consistent with the manufacturer's indications.

Operational advantages (without forcing specifications)

Choosing a spark plug clearly identified by model and code facilitates purchase and reduces the risk of errors during replacement. Practical advantages include:

• Recognizable spare part thanks to the NGK BPR7HS code and the Osculati code 47.558.46.
• Consistency with standard installation indicated for various engine brands (to be verified on your own model).
• Simple maintenance management: a typical component to replace during periodic checks.
• Suitable for nautical contexts where reliability and availability of the spare part are important aspects in planning interventions.

For a correct result, it is essential that the installed spark plug is the one specified by the engine manufacturer: the code is the main reference for compatibility.

Usage and installation notes

Replacing a spark plug is generally a simple operation but must be done carefully to avoid damage to the thread or installation errors. Below are some general guidelines, valid as good practices (without replacing the engine manual):

• Preliminary check: check the code of the installed spark plug and compare it with NGK BPR7HS.
• Engine safety: operate with the engine off and under conditions that prevent accidental starts.
• Removal: unscrew with the appropriate wrench, avoiding twisting the spark plug cap/cable.
• Location check: check that the location is clean and that there are no residues or dirt that could interfere with tightening.
• Installation: initially screw by hand to reduce the risk of cross-threading; complete the tightening according to the engine manufacturer's instructions.
• Final check: make sure the spark plug cap is properly inserted and that the connection is stable.

Operational advice: if you are not sure about compatibility or tightening procedures, refer to the engine manual or a qualified technician. In the nautical field, correct installation is particularly important to avoid issues during navigation.

Why buy this spare part on a technical e-commerce site

In a nautical catalog, clarity of references is crucial: here you find a spark plug identified with model and Osculati code, useful for those who manage spare parts and maintenance in an organized way (workshop, storage, boater attentive to maintenance). If you are looking for the spark plug indicated as standard on specific brands, this item represents a direct reference for procurement.

To complete the order correctly, always check the match with the code required by your engine: it is the most reliable method to avoid returns and technical downtime.

FAQ – Frequently Asked Questions

Is this spark plug compatible with my outboard motor?

The spark plug is identified as NGK BPR7HS and is indicated as factory-fitted on various brands (Mariner, Yamaha, Suzuki, Mercury, Tohatsu, Selva, and Honda). However, compatibility depends on model and version: check the code required by the manufacturer or the one shown on the installed spark plug.

What is the Osculati reference code for this item?

The Osculati supplier product code is 47.558.46.

How can I quickly check if I need to purchase the BPR7HS?

The simplest method is to check the code printed on the currently installed spark plug. Alternatively, consult your engine's manual or spare parts table for the specified spark plug code.

Is it suitable as a spare spark plug to keep on board?

Yes, if your engine uses the NGK BPR7HS, it can be a useful spare to manage any replacements during outings or storage.

Is a technician needed to replace the spark plug?

Replacement is often a simple maintenance task but must be done correctly to avoid thread damage or installation errors. If you are unsure, refer to the engine manual or a qualified technician.