Osculati Boat Equipment includes a wide range of essential marine accessories and components designed for yachts and motorboats. The product line features deck hardware, navigation lights, fuel and water systems, stainless steel fittings, and safety gear. Engineered for reliability in harsh marine environments, Osculati equipment is commonly used on sailing yachts, motorboats, and commercial vessels to enhance functionality, durability, and onboard comfort.
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1-2 weeks delivery time NGK BZ7HS-10 (Osculati 47.558.63) is a short-reach resistor spark plug with M14 × 1.25 mm thread, 12.7 mm reach, 20.8 mm hex, and a 1.0 mm preset gap. Specifically engineered for 2-stroke marine engines from Yamaha, Mercury, Suzuki, Tohatsu, Selva, and Honda. Its zinc-dipped shell resists corrosion in saltwater environments. No direct Champion equivalent.
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$ 23.10
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1-2 weeks delivery time NGK CPR6EA-9 (Osculati 47.558.62) is a resistor spark plug featuring M10 × 1.0 mm thread, 19 mm reach, 16 mm hex, and a factory-set 0.9 mm gap. Its compact body and projected insulator tip make it ideal for tight-fitting 4-stroke outboards by Yamaha, Honda, Mercury, Suzuki, Tohatsu, Selva, and Mariner. Offers stable combustion, reduced fouling, and EMI protection. No Champion equivalent.
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$ 20.62
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1-2 weeks delivery time Osculati 47.558.15 – NGK CR4HSB is a compact resistor-type spark plug for small-displacement marine outboards. It features a 10 mm thread, 12.7 mm (1/2") reach, 16 mm hex, and a projected-tip copper core electrode. Common in 4-stroke outboards from Yamaha, Mercury, Honda, Tohatsu, and Suzuki. No Champion equivalent.
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$ 12.76
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1-2 weeks delivery time NGK CR5EH-9 (Osculati 47.558.53) is a compact resistor-type spark plug with M10 × 1.0 mm thread, 19 mm reach, 14 mm hex, and a factory-set 0.9 mm gap. Designed for small-displacement 4-stroke marine outboards from Yamaha, Mercury, Mariner, Suzuki, Tohatsu, Selva, and Honda. Provides precise ignition, reduced fouling, and full compatibility with Champion 79Y.
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$ 26.88
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1-2 weeks delivery time NGK CR5HSB (Osculati 47.558.50) is a compact resistor spark plug with M10 × 1.0 mm thread, 12.7 mm reach, 16 mm hex, and a factory-set 0.7–0.8 mm gap. Designed for small-displacement 4-stroke outboards from Yamaha, Mercury, Mariner, Suzuki, Tohatsu, Selva, and Honda. Provides excellent anti-fouling performance and EMI suppression. Equivalent to Champion 79Y.
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$ 12.56
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1-2 weeks delivery time Osculati 47.558.16 – NGK CR6E is a resistor-type spark plug with a 10 mm thread, 19 mm (3/4") reach, and 16 mm hex. It features a projected copper core electrode and is factory-gapped for 4-stroke marine outboards from Honda, Yamaha, Suzuki, Mercury, Mariner, Tohatsu, and Selva. No Champion equivalent.
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$ 20.42
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1-2 weeks delivery time NGK CR6HS (Osculati 47.558.40) is a compact, resistor-type spark plug with a 10 mm thread, 12.7 mm reach, 16 mm hex, and a 0.7–0.8 mm factory gap. Designed for small 2- and 4-stroke marine engines from Yamaha, Mercury, Mariner, Suzuki, Tohatsu, Selva, and Honda. It suppresses EMI and ensures clean, stable combustion. Cross-compatible with Champion Z9Y.
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$ 13.05
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1-2 weeks delivery time The Osculati 47.558.95 – NGK CR6HSA spark plug is a compact, resistor-type ignition component designed for modern small-displacement outboard engines. With a 10 mm thread diameter, 12.7 mm (1/2") reach, and a solid terminal, it provides optimal ignition performance in compact marine motors. Widely compatible with outboard brands such as Yamaha, Suzuki, Mercury, Tohatsu, Selva, Honda, and Mariner, this plug ensures reliable starts and extended durability. Champion cross-reference: P-RZ-9HC.
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$ 9.70
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1-2 weeks delivery time NGK CR9EB (Osculati 47.558.77) is a short-reach, resistor-type spark plug with M10 × 1.0 mm thread, 19 mm reach, 16 mm hex, and 0.7 mm preset gap. Built for high-revving marine 4-stroke engines by Yamaha, Honda, Suzuki, Mercury, Tohatsu, Selva, and Mariner. Its cold heat range (9) resists detonation under load. Direct Champion equivalent: RG4-PHP.
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$ 20.76
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1-2 weeks delivery time NGK DCPR6E (Osculati 47.558.48) is a resistor-type spark plug with M12 × 1.25 mm thread, 19 mm reach, 16 mm hex size, and 0.9 mm factory-set gap. Designed for high-efficiency 4-stroke outboards from Yamaha, Mercury, Mariner, Suzuki, Tohatsu, Selva, and Honda. Its compact profile with a projected tip ensures clean combustion and precise ignition. Cross-compatible with Champion RA8HC.
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$ 20.35
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1-2 weeks delivery time NGK DCPR7E (Osculati 47.558.32), often labeled as RA8-H10 in OEM marine catalogs, is a precision resistor spark plug with a 12 mm thread, 19 mm reach, 16 mm hex size, and a 0.9 mm gap. Suitable for Yamaha, Mercury, Mariner, Suzuki, Tohatsu, Selva, and Honda outboards. Equivalent to Champion RA8HC. Optimized for 4-stroke marine engines with compact cylinder heads and electronic ignition systems.
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$ 19.98
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1-2 weeks delivery time NGK DPR6EA-9 (Osculati 47.558.31) is a marine-grade spark plug with a 14 mm thread, 19 mm reach, 18 mm hex size, and a factory-set 0.9 mm gap. Designed for use in Yamaha, Mercury, Mariner, Suzuki, Tohatsu, Selva, and Honda outboards, this resistor-type plug features a projected insulator for better anti-fouling and matches Champion RA8HC. Recommended for high-performance 4-stroke engines in marine environments.
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$ 10.43
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1-2 weeks delivery time NGK DPR6EB-9 (Osculati 47.558.42) is a precision resistor-type spark plug featuring a 14 mm thread, 19 mm reach, compact 18 mm hex, and a 0.9 mm preset gap. Commonly used in 4-stroke marine engines by Yamaha, Mercury, Mariner, Suzuki, Tohatsu, Selva, and Honda. Optimized for electronic ignition systems. Interchangeable with Champion RA8HC.
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$ 13.15
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1-2 weeks delivery time Osculati 47.558.17 – NGK DR5HS is a resistor-type spark plug with a 14 mm thread, 12.7 mm (1/2") reach, and 20.8 mm (13/16") hex. Designed for smooth combustion and RFI protection in 2-stroke marine engines by Yamaha, Mercury, Suzuki, Tohatsu, Selva, Mariner, and Honda. Champion equivalent: P10Y.
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$ 13.05
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1-2 weeks delivery time Osculati 47.558.18 – NGK DR6HS is a resistor-type spark plug with a 14 mm thread, 12.7 mm (1/2") reach, and 20.8 mm (13/16") hex. Designed for 2-stroke marine outboards by Yamaha, Mercury, Mariner, Suzuki, Tohatsu, Selva, and Honda. It provides RFI protection and stable combustion with medium heat range. Champion equivalent: P8Y.
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$ 12.61
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1-2 weeks delivery time Osculati 47.558.19 – NGK DR7EA is a resistor-type spark plug with a 12 mm thread, 19 mm (3/4") reach, and 18 mm hex, ideal for modern 4-stroke marine engines. It offers clean combustion, RFI suppression, and durability in Yamaha, Mercury, Suzuki, Honda, Tohatsu, Selva, and Mariner engines. Champion equivalent: RA8HC.
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$ 12.86
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1-2 weeks delivery time NGK ILFR6GE (Osculati 47.558.60) is a premium iridium spark plug with M14 × 1.25 mm thread, 19 mm reach, 16 mm hex, and a factory-set 1.1 mm gap. Built for high-efficiency 4-stroke outboard engines from Mercury, Yamaha, Suzuki, Honda, Tohatsu, Selva, and Mariner. Features iridium center electrode and platinum ground electrode for extended life and precise ignition under all loads. No direct Champion equivalent.
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$ 53.94
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1-2 weeks delivery time The Osculati 47.558.98 – NGK ILFR6G is a premium iridium spark plug designed for modern high-performance outboard engines. Featuring a 14 mm thread diameter, 19 mm (3/4") reach, and ultra-fine iridium center electrode, it ensures superior ignition stability, fuel efficiency, and extended service life. Compatible with outboards from Yamaha, Mercury, Suzuki, Tohatsu, Honda, Selva, and Mariner, this plug offers exceptional durability even under heavy marine operating conditions.
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$ 55.91
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1-2 weeks delivery time NGK ITR4A15 (Osculati 47.558.87) is a premium iridium spark plug featuring M14 × 1.25 mm thread, 19 mm reach, 16 mm hex, and an extended 1.5 mm factory-set gap. Designed for 4-stroke marine engines from Yamaha, Suzuki, Mercury, Honda, Tohatsu, Selva, and Mariner, this plug offers exceptional ignition precision, corrosion resistance, and lifespan. No Champion cross-reference available.
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$ 41.20
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1-2 weeks delivery time NGK IZFR5G (Osculati 47.558.68) is a premium iridium spark plug with M14 × 1.25 mm thread, 19 mm reach, 16 mm hex, and factory-set 1.1 mm gap. Its ultra-fine iridium center electrode and projected tip ensure precise ignition in 4-stroke EFI outboards from Yamaha, Mercury, Suzuki, Honda, Tohatsu, Selva, and Mariner. Built for long service life and reliability under marine load cycles. No Champion equivalent.
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$ 61.62
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How does Osculati boat equipment improve the safety and performance of vessels in challenging marine conditions?
Osculati boat equipment enhances safety and performance by offering reliable components designed to withstand harsh marine environments. From navigation aids to mechanical fittings, each item contributes to greater vessel control, stability, and onboard functionality, reducing risks and ensuring smooth operation in demanding conditions.
Explore how thoughtful upgrades complement other essential gear like Bass Boat Seats for a more secure and efficient boating experience.