Spark plug ngk br7hs-10 – code: 47.558.02 – Osculati

NGK BR7HS-10 Osculati spark plug (code 47.558.02)

The NGK BR7HS-10 spark plug offered by Osculati (supplier code 47.558.02) is a spare part designed for the nautical sector and engine maintenance, with a practical approach focused on operational reliability. It is an essential component of the ignition system: a spark plug in good condition contributes to smooth engine operation and more orderly management of periodic inspection interventions.

This version is indicated as standard equipment on several outboard brands, making it a natural choice when replacing the originally installed spark plug and wishing to keep the same reference code.

Product features and details

Identification and codes

• Spark plug model: NGK BR7HS-10
• Supplier: Osculati S.r.l.
• Supplier product code: 47.558.02

To avoid errors when ordering, it is advisable to always check the code printed on the installed spark plug and compare it with BR7HS-10, in addition to the Osculati code 47.558.02 when managing spare parts lists or reorders.

Spare part for routine maintenance

The spark plug is a consumable subject to wear and varying operating conditions (usage, fuel quality, downtime, marine environment). Including it in the maintenance program helps keep the ignition system in proper condition and reduces the uncertainties typical of aged or contaminated components.

Compatibility information (from available data)

According to the available description, this spark plug is indicated as standard equipment on engines of the following brands:

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

Important note: the brand indication does not replace the precise verification on the engine model and the required spark plug code. In case of doubt, check the engine manual or the marking on the currently installed spark plug.

Typical applications in the nautical field

The NGK BR7HS-10 is suitable as a replacement for work on outboard engines and related applications where the code matches that specified by the manufacturer. In a technical context for boating, it is an item often requested for:

• Seasonal maintenance and engine preparation before going out to sea.
• Preventive replacement when performing servicing or periodic checks.
• Restoration in case of a worn, dirty, or no longer efficient spark plug.
• Onboard spare parts management: useful as a spare component if the engine uses this code.

In general, replacing the spark plug is among the most common operations to keep the engine in regular operating condition, especially when the boat remains idle for extended periods or operates in a saline environment.

Advantages for workshops and boaters

Simple choice when the code is correct

When the code required by the engine is BR7HS-10, purchasing the same model allows maintaining the intended configuration and reduces the risk of incompatibilities due to similar but not equivalent codes.

Suitable replacement for orderly maintenance management

Using a clear reference (NGK code + Osculati code) helps to:

• speed up reordering and spare parts warehouse management;
• reduce picking errors and incorrect replacements;
• standardize interventions when managing multiple engines or units.

Practical format for quick interventions

The spark plug is a compact and easy-to-handle component: it is well suited both for workshop use and for onboard equipment, where essential and immediately replaceable spare parts are often prioritized.

Usage and operational notes

Checks before purchase

For a correct choice, it is recommended to check:

• Exact code shown on the installed spark plug (must correspond to BR7HS-10).
• Engine manual or manufacturer's instructions for the expected spark plug code.
• Osculati Code 47.558.02 if you are replacing an item already managed with this reference.

Replacement instructions (generic)

The spark plug replacement must be performed with the engine off and safely, following the procedures provided by the engine manufacturer. In case of scheduled maintenance, it may be useful to inspect the removed spark plug to assess its general condition (presence of residues, signs of wear) and keep the work area clean to avoid contamination.

If unsure about the procedure or the correct compatibility of the spare part, it is preferable to consult a qualified technician or refer to the engine documentation.

Note on matches and alternatives

In the spare parts field, there are often equivalences and matches between brands and codes. However, for a conservative and risk-free purchase, the best choice is to stick to the exact code requested by the engine. If you are considering an alternative, it is appropriate to rely on official tables and manufacturer indications, avoiding substitutions “by similarity”.

Summary

• Product: NGK spark plug BR7HS-10
• Osculati Code: 47.558.02
• Use: spare part for engine maintenance (always check the requested code)
• Available indication: fitted as standard on Mariner, Yamaha, Suzuki, Mercury, Tohatsu, Selva, and Honda

FAQ – Frequently Asked Questions

What is the Osculati code for this NGK spark plug?

The product code from the Osculati supplier for this NGK BR7HS-10 spark plug is 47.558.02.

On which engine brands is it indicated as factory-installed?

According to the available description, it is factory-installed on Mariner, Yamaha, Suzuki, Mercury, Tohatsu, Selva, and Honda. However, it is recommended to verify the specific model and required code.

How can I verify if the BR7HS-10 is the right one for my engine?

Check the code printed on the spark plug currently installed or consult the engine manual. For a conservative purchase, the code must exactly match BR7HS-10.

Is it suitable as a spare replacement to keep onboard?

If your engine uses the code BR7HS-10, it can be a practical spare to keep for maintenance or replacement interventions.

Can I use a spark plug with a similar code instead of the BR7HS-10?

It is preferable to adhere to the exact code specified by the engine manufacturer. In case of alternatives or matches, rely on official tables and manual instructions to avoid incompatibilities.