![ark-1500x1500](https://www.rhsboating.com.au/images/com_hikashop/upload/ark-1500x1500.jpg)  Description:
Prepare your boat trailer for the next trip with ARK trailer parts and accessories from RHS Boating & Marine. Explore jockey wheels, trailer plug adaptors, lighting and selected axle repair accessories to help with maintenance, replacement and practical upgrades.

Whether you are replacing a worn jockey wheel or matching your trailer connection to your tow vehicle, choosing the correct component makes the job easier. Compare wheel size, mounting arrangement, rated capacity and plug configuration against your existing equipment. For lighting, check voltage, dimensions and connection requirements before ordering. Browse ARK products by application and use the individual specifications to find the right fit for your trailer.

           [ ![RWB4106](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB4106.jpg "Nairn Nylon Inspection Port - Black with clear lid - 125mm (5 inches) Opening") ](https://www.rhsboating.com.au/categories/nairn-nylon-inspection-port-black-with-clear-lid-125mm-5-inches-opening.html)

   $23.34  each    [ Nairn Nylon Inspection Port - Black with clear lid - 125mm (5 inches) Opening ](https://www.rhsboating.com.au/categories/nairn-nylon-inspection-port-black-with-clear-lid-125mm-5-inches-opening.html)      [ RWB4106 ](https://www.rhsboating.com.au/categories/nairn-nylon-inspection-port-black-with-clear-lid-125mm-5-inches-opening.html)

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   [ ![RWB4114](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/RWB4114.jpg "Nairn Nylon Inspection Port - Black with clear lid - 150mm (6 inches) Opening") ](https://www.rhsboating.com.au/categories/nairn-nylon-inspection-port-black-with-clear-lid-150mm-6-inches-opening.html)

   $26.42  each    [ Nairn Nylon Inspection Port - Black with clear lid - 150mm (6 inches) Opening ](https://www.rhsboating.com.au/categories/nairn-nylon-inspection-port-black-with-clear-lid-150mm-6-inches-opening.html)      [ RWB4114 ](https://www.rhsboating.com.au/categories/nairn-nylon-inspection-port-black-with-clear-lid-150mm-6-inches-opening.html)

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   [ ![RWB4103](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/chatgpt_image_sep_24_2026_09_02_48_am.jpg "Nairn Nylon Inspection Port - White with clear lid - 100mm (4 inches) Opening") ](https://www.rhsboating.com.au/categories/nairn-nylon-inspection-port-white-with-clear-lid-100mm-4-inches-opening.html)

   $20.11  each    [ Nairn Nylon Inspection Port - White with clear lid - 100mm (4 inches) Opening ](https://www.rhsboating.com.au/categories/nairn-nylon-inspection-port-white-with-clear-lid-100mm-4-inches-opening.html)      [ RWB4103 ](https://www.rhsboating.com.au/categories/nairn-nylon-inspection-port-white-with-clear-lid-100mm-4-inches-opening.html)

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   [ ![RWB4107](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/chatgpt_image_sep_24_2026_09_02_48_am.jpg "Nairn Nylon Inspection Port - White with clear lid - 125mm (5 inches) Opening") ](https://www.rhsboating.com.au/categories/nairn-nylon-inspection-port-white-with-clear-lid-125mm-5-inches-opening.html)

   $23.34  each    [ Nairn Nylon Inspection Port - White with clear lid - 125mm (5 inches) Opening ](https://www.rhsboating.com.au/categories/nairn-nylon-inspection-port-white-with-clear-lid-125mm-5-inches-opening.html)      [ RWB4107 ](https://www.rhsboating.com.au/categories/nairn-nylon-inspection-port-white-with-clear-lid-125mm-5-inches-opening.html)

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   [ ![RWB4115](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/chatgpt_image_sep_24_2026_09_02_48_am.jpg "Nairn Nylon Inspection Port - White with clear lid - 150mm (6 inches) Opening") ](https://www.rhsboating.com.au/categories/nairn-nylon-inspection-port-white-with-clear-lid-150mm-6-inches-opening.html)

   $26.42  each    [ Nairn Nylon Inspection Port - White with clear lid - 150mm (6 inches) Opening ](https://www.rhsboating.com.au/categories/nairn-nylon-inspection-port-white-with-clear-lid-150mm-6-inches-opening.html)      [ RWB4115 ](https://www.rhsboating.com.au/categories/nairn-nylon-inspection-port-white-with-clear-lid-150mm-6-inches-opening.html)

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   [ ![RWB4120](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/chatgpt_image_sep_24_2026_09_02_48_am.jpg "Nairn Pry-Out Inspection Port - White - 200mm (8 inches) Opening") ](https://www.rhsboating.com.au/categories/nairn-pry-out-inspection-port-white-200mm-8-inches-opening.html)

   $64.80  each    [ Nairn Pry-Out Inspection Port - White - 200mm (8 inches) Opening ](https://www.rhsboating.com.au/categories/nairn-pry-out-inspection-port-white-200mm-8-inches-opening.html)      [ RWB4120 ](https://www.rhsboating.com.au/categories/nairn-pry-out-inspection-port-white-200mm-8-inches-opening.html)

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   [ ![400356](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/400356.jpg "Nairn Replacement Marine Drain Plug – Boat Plumbing Fittings") ](https://www.rhsboating.com.au/categories/nairn-replacement-marine-drain-plug-boat-plumbing-fittings.html)

   $7.34  each    [ Nairn Replacement Marine Drain Plug – Boat Plumbing Fittings ](https://www.rhsboating.com.au/categories/nairn-replacement-marine-drain-plug-boat-plumbing-fittings.html)      [ 400356 ](https://www.rhsboating.com.au/categories/nairn-replacement-marine-drain-plug-boat-plumbing-fittings.html)

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   [ ![260542](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/260542.jpg "Nairn round slop stopper – Black – Marine Engine Accessories") ](https://www.rhsboating.com.au/categories/nairn-round-slop-stopper-black-marine-engine-accessories.html)

   $10.57  each    [ Nairn round slop stopper – Black – Marine Engine Accessories ](https://www.rhsboating.com.au/categories/nairn-round-slop-stopper-black-marine-engine-accessories.html)      [ 260542 ](https://www.rhsboating.com.au/categories/nairn-round-slop-stopper-black-marine-engine-accessories.html)

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   [ ![260543](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/260543.jpg "Nairn round slop stopper – White – Marine Engine Accessories") ](https://www.rhsboating.com.au/categories/nairn-round-slop-stopper-white-marine-engine-accessories.html)

   $10.57  each    [ Nairn round slop stopper – White – Marine Engine Accessories ](https://www.rhsboating.com.au/categories/nairn-round-slop-stopper-white-marine-engine-accessories.html)      [ 260543 ](https://www.rhsboating.com.au/categories/nairn-round-slop-stopper-white-marine-engine-accessories.html)

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   [ ![762171](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/762171.jpg "Narva 12 Pin Flat Trailer Plug Hardware Parts – Boat Deck & Cabin Hardware") ](https://www.rhsboating.com.au/categories/narva-12-pin-flat-trailer-plug-hardware-parts-boat-deck-cabin-hardware.html)

   $35.75  each    [ Narva 12 Pin Flat Trailer Plug Hardware Parts – Boat Deck & Cabin Hardware ](https://www.rhsboating.com.au/categories/narva-12-pin-flat-trailer-plug-hardware-parts-boat-deck-cabin-hardware.html)      [ 762171 ](https://www.rhsboating.com.au/categories/narva-12-pin-flat-trailer-plug-hardware-parts-boat-deck-cabin-hardware.html)

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   [ ![220175](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/220175.jpg "NARVA 12 Way Marine Fuse Box – Boat Electrical Accessories 220175") ](https://www.rhsboating.com.au/categories/narva-12-way-marine-fuse-box-boat-electrical-accessories-220175.html)

   $132.25  each    [ NARVA 12 Way Marine Fuse Box – Boat Electrical Accessories 220175 ](https://www.rhsboating.com.au/categories/narva-12-way-marine-fuse-box-boat-electrical-accessories-220175.html)      [ 220175 ](https://www.rhsboating.com.au/categories/narva-12-way-marine-fuse-box-boat-electrical-accessories-220175.html)

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   [ ![490226](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/490226.jpg "NARVA 14" Single Row Marine LED Light Bar – Marine Lighting 490226") ](https://www.rhsboating.com.au/categories/narva-14-single-row-marine-led-light-bar-marine-lighting-490226.html)

   $252.78  each    [ NARVA 14" Single Row Marine LED Light Bar – Marine Lighting 490226 ](https://www.rhsboating.com.au/categories/narva-14-single-row-marine-led-light-bar-marine-lighting-490226.html)      [ 490226 ](https://www.rhsboating.com.au/categories/narva-14-single-row-marine-led-light-bar-marine-lighting-490226.html)

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   [ ![490230](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/490230.jpg "NARVA 22" Double Row Marine LED Light Bar – Marine Lighting 490230") ](https://www.rhsboating.com.au/categories/narva-22-double-row-marine-led-light-bar-marine-lighting-490230.html)

   $591.71  each    [ NARVA 22" Double Row Marine LED Light Bar – Marine Lighting 490230 ](https://www.rhsboating.com.au/categories/narva-22-double-row-marine-led-light-bar-marine-lighting-490230.html)      [ 490230 ](https://www.rhsboating.com.au/categories/narva-22-double-row-marine-led-light-bar-marine-lighting-490230.html)

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   [ ![490228](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/490228.jpg "NARVA 22" Single Row Marine LED Light Bar – Marine Lighting 490228") ](https://www.rhsboating.com.au/categories/narva-22-single-row-marine-led-light-bar-marine-lighting-490228.html)

   $419.43  each    [ NARVA 22" Single Row Marine LED Light Bar – Marine Lighting 490228 ](https://www.rhsboating.com.au/categories/narva-22-single-row-marine-led-light-bar-marine-lighting-490228.html)      [ 490228 ](https://www.rhsboating.com.au/categories/narva-22-single-row-marine-led-light-bar-marine-lighting-490228.html)

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   [ ![704009](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/704009.jpg "NARVA 4 Position Key Start Marine Switch (accessories-off-ignition-start)") ](https://www.rhsboating.com.au/categories/narva-4-position-key-start-marine-switch-accessories-off-ignition-start.html)

   $60.24  each    [ NARVA 4 Position Key Start Marine Switch (accessories-off-ignition-start) ](https://www.rhsboating.com.au/categories/narva-4-position-key-start-marine-switch-accessories-off-ignition-start.html)      [ 704009 ](https://www.rhsboating.com.au/categories/narva-4-position-key-start-marine-switch-accessories-off-ignition-start.html)

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   [ ![762140](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/762140.jpg "Narva 7 Pin Flat Trailer Plug Hardware Parts – Boat Deck & Cabin Hardware") ](https://www.rhsboating.com.au/categories/narva-7-pin-flat-trailer-plug-hardware-parts-boat-deck-cabin-hardware.html)

   $9.75  each    [ Narva 7 Pin Flat Trailer Plug Hardware Parts – Boat Deck & Cabin Hardware ](https://www.rhsboating.com.au/categories/narva-7-pin-flat-trailer-plug-hardware-parts-boat-deck-cabin-hardware.html)      [ 762140 ](https://www.rhsboating.com.au/categories/narva-7-pin-flat-trailer-plug-hardware-parts-boat-deck-cabin-hardware.html)

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   [ ![762042](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/762042.jpg "Narva 7 Pin Flat Trailer Socket Hardware Parts – Boat Electrical Accessories") ](https://www.rhsboating.com.au/categories/narva-7-pin-flat-trailer-socket-hardware-parts-boat-electrical-accessories.html)

   $11.14  each    [ Narva 7 Pin Flat Trailer Socket Hardware Parts – Boat Electrical Accessories ](https://www.rhsboating.com.au/categories/narva-7-pin-flat-trailer-socket-hardware-parts-boat-electrical-accessories.html)      [ 762042 ](https://www.rhsboating.com.au/categories/narva-7-pin-flat-trailer-socket-hardware-parts-boat-electrical-accessories.html)

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   [ ![762161](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/762161.jpg "Narva 7 Pin Large Round Metal Trailer Plug Hardware Parts – 762161") ](https://www.rhsboating.com.au/categories/narva-7-pin-large-round-metal-trailer-plug-hardware-parts-762161.html)

   $17.33  each    [ Narva 7 Pin Large Round Metal Trailer Plug Hardware Parts – 762161 ](https://www.rhsboating.com.au/categories/narva-7-pin-large-round-metal-trailer-plug-hardware-parts-762161.html)      [ 762161 ](https://www.rhsboating.com.au/categories/narva-7-pin-large-round-metal-trailer-plug-hardware-parts-762161.html)

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   [ ![762062](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/762062.jpg "Narva 7 Pin Large Round Metal Trailer Socket Hardware Parts – 762062") ](https://www.rhsboating.com.au/categories/narva-7-pin-large-round-metal-trailer-socket-hardware-parts-762062.html)

   $21.53  each    [ Narva 7 Pin Large Round Metal Trailer Socket Hardware Parts – 762062 ](https://www.rhsboating.com.au/categories/narva-7-pin-large-round-metal-trailer-socket-hardware-parts-762062.html)      [ 762062 ](https://www.rhsboating.com.au/categories/narva-7-pin-large-round-metal-trailer-socket-hardware-parts-762062.html)

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   [ ![762180](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/762180.jpg "Narva 7 Pin Large Round Plastic Trailer Plug Hardware Parts – 762180") ](https://www.rhsboating.com.au/categories/narva-7-pin-large-round-plastic-trailer-plug-hardware-parts-762180.html)

   $11.14  each    [ Narva 7 Pin Large Round Plastic Trailer Plug Hardware Parts – 762180 ](https://www.rhsboating.com.au/categories/narva-7-pin-large-round-plastic-trailer-plug-hardware-parts-762180.html)      [ 762180 ](https://www.rhsboating.com.au/categories/narva-7-pin-large-round-plastic-trailer-plug-hardware-parts-762180.html)

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   [ ![762052](https://www.rhsboating.com.au/images/com_hikashop/upload/thumbnails/500x500/762052.jpg "Narva 7 Pin Large Round Plastic Trailer Socket Hardware – 762052") ](https://www.rhsboating.com.au/categories/narva-7-pin-large-round-plastic-trailer-socket-hardware-762052.html)

   $14.50  each    [ Narva 7 Pin Large Round Plastic Trailer Socket Hardware – 762052 ](https://www.rhsboating.com.au/categories/narva-7-pin-large-round-plastic-trailer-socket-hardware-762052.html)      [ 762052 ](https://www.rhsboating.com.au/categories/narva-7-pin-large-round-plastic-trailer-socket-hardware-762052.html)

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