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 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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$ 59,47
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1-2 weeks delivery time NGK BPR6FS (Osculati 47.558.71) is a short-reach resistor-type spark plug with M14 × 1.25 mm thread, 12.7 mm reach, 20.8 mm hex, and a factory-set 0.7–0.8 mm gap. Designed for 2-stroke and select 4-stroke marine outboards by Yamaha, Mercury, Suzuki, Honda, Tohatsu, Selva, and Mariner. It features a projected tip and a built-in resistor for clean combustion and EMI protection. No Champion equivalent.
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$ 11,03
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1-2 weeks delivery time NGK B6S (Osculati 47.558.74) is a non-resistor marine spark plug with M14 × 1.25 mm thread, 12.7 mm reach, 20.8 mm hex, and 0.7 mm standard gap. Suited for legacy 2-stroke marine engines by Yamaha, Mercury, Suzuki, Tohatsu, Honda, Selva, and Mariner. Offers stable spark and strong performance in simple ignition systems. Fully interchangeable with Champion J8C.
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$ 9,14
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1-2 weeks delivery time NGK BR9ES (Osculati 47.558.75) is a cold-range, long-reach resistor spark plug with M14 × 1.25 mm thread, 19 mm reach, 20.8 mm hex, and factory-set 0.7 mm gap. Designed for high-RPM 2-stroke marine engines by Yamaha, Suzuki, Mercury, Tohatsu, Selva, Honda, and Mariner. The built-in resistor protects onboard electronics from EMI. No direct Champion equivalent.
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$ 11,48
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1-2 weeks delivery time NGK BR8ES (Osculati 47.558.76) is a resistor-type marine spark plug with M14 × 1.25 mm thread, 19 mm reach, 20.8 mm hex, and a 0.7 mm factory-set gap. It features a cold heat range (8), making it ideal for high-load, high-RPM 2-stroke outboard engines used by Yamaha, Mercury, Suzuki, Tohatsu, Selva, Honda, and Mariner. It ensures EMI protection and stable ignition under marine operating conditions. No Champion equivalent.
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$ 10,84
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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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$ 20,03
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1-2 weeks delivery time NGK B8S (Osculati 47.558.81) is a non-resistor marine spark plug with M14 × 1.25 mm thread, 12.7 mm reach, 20.8 mm hex, and 0.7 mm gap. Designed for older and performance-tuned 2-stroke outboards from Yamaha, Mercury, Suzuki, Tohatsu, Selva, Honda, and Mariner. With a cold heat range (8), it provides detonation resistance and consistent performance. No Champion equivalent listed.
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$ 8
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1-2 weeks delivery time NGK BP8HS-15 (Osculati 47.558.82) is a non-resistor marine spark plug with M14 × 1.25 mm thread, 12.7 mm reach, 20.8 mm hex, and a wide 1.5 mm factory-set gap. Its cold heat range (8) and projected insulator make it ideal for 2-stroke outboards from Yamaha, Mercury, Honda, Suzuki, Tohatsu, Selva, and Mariner. Suitable for high-speed operation with strong resistance to fouling. No Champion cross-reference provided.
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$ 7,46
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1-2 weeks delivery time NGK BPR5EFS (Osculati 47.558.83) is a resistor spark plug with M14 × 1.25 mm thread, 19 mm reach, 16 mm hex, and 0.8 mm factory gap. Its warm heat range (5) and projected insulator make it suitable for a wide variety of 4-stroke and 2-stroke marine outboards from Yamaha, Mercury, Suzuki, Honda, Tohatsu, Selva, and Mariner. No Champion equivalent listed.
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$ 9,58
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1-2 weeks delivery time NGK BPR6HS-10 (Osculati 47.558.84) is a short-reach resistor spark plug with M14 × 1.25 mm thread, 12.7 mm reach, 20.8 mm hex, and a factory-set 1.0 mm gap. It features a projected tip and is optimized for 2-stroke marine engines from Yamaha, Mercury, Suzuki, Honda, Tohatsu, Selva, and Mariner. Directly interchangeable with Champion RL87YC.
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$ 9,26
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1-2 weeks delivery time NGK BPZ8HS-15 (Osculati 47.558.85) is a non-resistor marine spark plug with M14 × 1.25 mm thread, 12.7 mm reach, 20.8 mm hex, and a wide factory-set 1.5 mm gap. Featuring a cold heat range (8) and projected insulator, it is ideal for 2-stroke high-revving marine engines from Yamaha, Mercury, Suzuki, Tohatsu, Honda, Selva, and Mariner. No Champion equivalent listed.
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$ 20,13
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1-2 weeks delivery time NGK BR6ES (Osculati 47.558.86) is a resistor-type marine spark plug with M14 × 1.25 mm thread, 19 mm reach, 20.8 mm hex, and a 0.8 mm preset gap. It has a medium heat range (6) and is widely compatible with both 2-stroke and 4-stroke marine outboards from Yamaha, Mercury, Suzuki, Tohatsu, Honda, Selva, and Mariner. No Champion equivalent is listed.
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$ 10,18
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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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$ 39,76
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1-2 weeks delivery time NGK IZFR5J (Osculati 47.558.88) is a premium iridium-tipped marine spark plug with M14 × 1.25 mm thread, 19 mm reach, 16 mm hex, and 1.1 mm factory-set gap. Designed for 4-stroke EFI outboard engines from Yamaha, Honda, Suzuki, Mercury, Tohatsu, Selva, and Mariner. It ensures maximum ignition performance, longevity, and corrosion resistance. No Champion equivalent listed.
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$ 53,77
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1-2 weeks delivery time The Osculati 47.558.92 – NGK ZFR5F spark plug is a high-quality standard replacement part designed for a wide range of outboard engines. Compatible with major brands such as Mariner, Yamaha, Suzuki, Mercury, Tohatsu, Selva, and Honda, it ensures optimal combustion and reliable performance. Featuring a resistor type construction, thread diameter of 14 mm, and a reach of 19 mm (3/4"), it also cross-references with Champion RC12-LYC.
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$ 12,62
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1-2 weeks delivery time The Osculati 47.558.93 – NGK LKR7E spark plug is a high-performance, marine-grade ignition component designed for compatibility with leading outboard engine brands including Yamaha, Mercury, Suzuki, Tohatsu, Honda, Selva, and Mariner. It features a 14 mm thread diameter, extended 26.5 mm reach, and triple electrode design for enhanced combustion efficiency and longer service life. Ideal for modern multi-valve engines, this plug ensures stable ignition under marine conditions.
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$ 13,82
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1-2 weeks delivery time The Osculati 47.558.94 – NGK BP8HS-10 spark plug is a non-resistor type plug designed for optimal ignition performance in marine outboard engines. With a 14 mm thread diameter, 12.7 mm (1/2") reach, and projected core nose, it is particularly well-suited for older two-stroke models used in Mariner, Yamaha, Suzuki, Mercury, Tohatsu, Selva, and Honda engines. It offers reliable cold-start performance and superior heat dissipation for harsh marine environments.
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$ 7,58
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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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$ 9,36
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1-2 weeks delivery time The Osculati 47.558.97 – NGK ZFR6K-11 spark plug is a resistor-type ignition plug with a 14 mm thread, 19 mm (3/4") reach, and a preset 1.1 mm gap. Engineered for modern outboard engines, it provides strong spark performance and long service life. Designed to fit a broad range of outboard engines from Yamaha, Mercury, Mariner, Suzuki, Tohatsu, Selva, and Honda, it is a robust replacement for high-efficiency combustion under marine conditions.
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$ 16,11
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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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$ 53,95
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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.