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.
|
1-2 weeks delivery time Osculati 47.558.14 – NGK BP7HS is a projected-tip, non-resistor marine spark plug with a 14 mm thread, 12.7 mm (1/2") reach, and 20.8 mm (13/16") hex. Designed for enhanced combustion in 2-stroke outboards by Yamaha, Mercury, Suzuki, Mariner, Tohatsu, Selva, and Honda. Medium heat range and excellent anti-fouling properties. Cross-reference: Champion L82YC.
|
$ 8,75
-
+
| ||
|
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.
|
$ 12,32
-
+
| ||
|
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.
|
$ 19,71
-
+
| ||
|
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.
|
$ 12,59
-
+
| ||
|
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.
|
$ 12,17
-
+
| ||
|
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.
|
$ 12,41
-
+
| ||
|
1-2 weeks delivery time High-performance NGK BPZ8HN-10 spark plug (Osculati 47.558.21) designed for optimal combustion and long service life in outboard engines. Commonly used on Yamaha, Mercury, Mariner, Suzuki, Tohatsu, Selva, and Honda motors. Cross-compatible with Champion QL78YC. Thread size: M14 × 1.25 mm, reach: 19 mm, hex size: 20.8 mm, gap: 1.0 mm. Ideal for 2-stroke and 4-stroke marine engines.
|
$ 20,81
-
+
| ||
|
1-2 weeks delivery time NGK BP8HN-10 marine spark plug (Osculati 47.558.22) is a high-performance ignition component designed for marine outboard engines from brands like Yamaha, Mercury, Mariner, Suzuki, Tohatsu, Selva, and Honda. It features a thread size of M14 × 1.25 mm, 19 mm reach, 20.8 mm hex, and a preset gap of 1.0 mm. This plug is ideal for 2-stroke and select 4-stroke applications and corresponds to Champion L78YC.
|
$ 10,02
-
+
| ||
|
1-2 weeks delivery time NGK BR6FS spark plug (Osculati 47.558.25) is engineered for marine outboards from Yamaha, Mercury, Mariner, Suzuki, Tohatsu, Selva, and Honda. It features a short 12.7 mm reach, 14 mm thread diameter, 20.8 mm hex, and a 0.7–0.9 mm gap. This resistor-type spark plug suppresses radio frequency interference and corresponds to Champion RV9YC and RV8C. Ideal for 2-stroke engines in marine environments.
|
$ 11,78
-
+
| ||
|
1-2 weeks delivery time NGK BPR6EFS (Osculati 47.558.26) is a marine spark plug designed for reliable performance in outboards from Yamaha, Mercury, Mariner, Suzuki, Tohatsu, Selva, and Honda. It features a 14 mm thread, 19 mm reach, 20.8 mm hex, and factory-set 0.9 mm gap. With integrated resistor and projected insulator tip, it reduces EMI and improves cold starts. Directly interchangeable with Champion RS12YC.
|
$ 12,88
-
+
| ||
|
1-2 weeks delivery time NGK BPR5ES (Osculati 47.558.28) is a versatile marine spark plug with a 14 mm thread, 19 mm reach, 20.8 mm hex size, and a factory-set 0.9 mm gap. Designed for compatibility with Yamaha, Mercury, Mariner, Suzuki, Tohatsu, Selva, and Honda outboards. It features a built-in resistor for EMI suppression and is cross-compatible with Champion RN11YC4. Ideal for 4-stroke marine engines requiring clean, efficient combustion.
|
$ 10,77
-
+
| ||
|
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.
|
$ 10,07
-
+
| ||
|
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.
|
$ 19,29
-
+
| ||
|
1-2 weeks delivery time NGK BPR6ES (Osculati 47.558.34) is a widely used marine spark plug with a 14 mm thread, 19 mm reach, 20.8 mm hex size, and a 0.9 mm preset gap. It features a projected insulator and internal resistor, ensuring efficient combustion and reduced EMI. Compatible with Yamaha, Mercury, Mariner, Suzuki, Tohatsu, Selva, and Honda outboards. Interchangeable with Champion RN9YC.
|
$ 10,13
-
+
| ||
|
1-2 weeks delivery time NGK BR7HS (Osculati 47.558.35) is a compact resistor-type spark plug with a 14 mm thread, 12.7 mm reach, 20.8 mm hex, and preset 0.7–0.8 mm gap. Optimized for 2-stroke marine outboards from Yamaha, Mercury, Mariner, Suzuki, Tohatsu, Selva, and Honda. Designed to minimize EMI and fouling. Cross-compatible with Champion RL82C.
|
$ 11,14
-
+
| ||
|
1-2 weeks delivery time NGK BR6HS (Osculati 47.558.36) is a resistor-type spark plug designed for 2-stroke marine engines. It features a 14 mm thread, short 12.7 mm reach, 20.8 mm hex, and a 0.7–0.8 mm preset gap. Commonly installed in Yamaha, Mercury, Mariner, Suzuki, Tohatsu, Selva, and Honda outboards. Cross-compatible with Champion RL86C. Ideal for small- to mid-size engines in saltwater conditions.
|
$ 11,61
-
+
| ||
|
1-2 weeks delivery time NGK BR5HS (Osculati 47.558.37) is a short-reach, resistor-type marine spark plug designed for 2-stroke outboards from Yamaha, Mercury, Mariner, Suzuki, Tohatsu, Selva, and Honda. It features a 14 mm thread, 12.7 mm reach, 20.8 mm hex size, and a 0.7–0.8 mm factory-set gap. Cross-compatible with Champion L90C. Ideal for clean combustion in small-displacement engines.
|
$ 12,17
-
+
| ||
|
1-2 weeks delivery time NGK LFR5A-11 (Osculati 47.558.38) is a long-reach spark plug with a 14 mm thread, 19 mm reach, 16 mm hex size, and factory-set 1.1 mm gap. Designed for modern 4-stroke marine outboards from Yamaha, Mercury, Suzuki, Tohatsu, Selva, Honda, and Mariner. This resistor-type plug features a projected tip for clean combustion and reliable ignition under load. No direct Champion cross-reference available.
|
$ 15,53
-
+
| ||
|
1-2 weeks delivery time NGK LFR6A-11 (Osculati 47.558.39) is a long-reach, resistor-type marine spark plug with M14 × 1.25 mm thread, 19 mm reach, 16 mm hex, and a 1.1 mm preset gap. Commonly installed in 4-stroke outboards from Yamaha, Mercury, Mariner, Suzuki, Tohatsu, Selva, and Honda. It provides clean combustion and EMI suppression for engines with advanced ignition systems. No direct Champion equivalent.
|
$ 17,76
-
+
| ||
|
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.
|
$ 12,59
-
+
| ||
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.