Hobie 18 Parts

Hobie 18 Parts

392 products

    Murrays Sports offers the most comprehensive selection of Hobie 18 parts available anywhere. Whether you're restoring a classic Hobie 18, maintaining a SX or Magnum model, preparing for a regatta, or simply replacing worn sheets, you'll find the replacement parts, rigging, sails, rudder components, trampolines, lines and accessories needed to keep your catamaran performing at its best. 


    Why the Hobie 18 Remains an Icon

    The Hobie 18 earned a reputation for combining speed, stability, and versatility. Unlike earlier beach cats, the Hobie 18 utilized twin daggerboards for improved pointing ability and superior upwind performance. Its powerful sail plan, rotating mast, and double trapeze setup made it one of the most exciting production catamarans of its era.

    Today, owners continue to value the Hobie 18 for:

    • Exceptional speed and acceleration
    • Superior upwind performance
    • High crew carrying capacity
    • Active racing fleets
    • Proven durability
    • Excellent restoration potential
    • Strong aftermarket parts support

    Whether you own a standard Hobie 18, Magnum, or SX model, proper maintenance ensures your boat continues delivering the performance that made it famous.


    Shop Hobie 18 Parts by Category

    Murrays Sports makes it easy to find Hobie 18 parts organized by system and application.

    Hobie 18 Rigging Parts

    Rigging is among the most critical systems aboard any performance catamaran. Properly maintained rigging keeps the mast secure while providing precise sail control.

    Popular Hobie 18 rigging components include:

    • Forestay
    • Shrouds
    • Bridle wires
    • Jib Halyard
    • Diamond wires
    • Trapeze wires
    • Roller Furler parts

    Because the Hobie 18 generates significant loads while sailing, regular rigging inspections are essential for safety and performance.

    Signs Your Rigging Needs Replacement

    • Broken wire strands
    • Corrosion around swages
    • Kinks in the rigging
    • When one wire breaks the other side should be replaced as well

    Replacing aging rigging before failure occurs helps prevent costly damage and improves confidence on the water.


    Hobie 18 Rudder Parts

    The Hobie 18 rudder system is engineered for precise steering at high speeds.

    Common replacement rudder components include:

    • Rudder blades
    • Rudder castings
    • Rudder cams
    • Rudder Pins
    • Tiller connectors
    • Tiller Crossbar
    • Tiller extensions
    • Rudder Lock Spring
    • Rudder Screw
    • Rudder Plunger
    • Rudder bushings
    • Rudder spacers

    Many Hobie 18 owners proactively replace rudder cams and pivot hardware as part of routine maintenance to ensure reliable engagement and steering response.

    Common Rudder Problems

    If you experience any of the following, it may be time for replacement parts:

    • Rudders that won't stay locked down
    • Excessive steering play
    • Rudder cams get stuck in one position
    • Excessive weather helm

    A properly maintained rudder system improves both safety and boat handling.


    Hobie 18 Trampolines

    The trampoline serves as the working deck and crew platform.

    Exposure to the following can eventually weaken trampoline material.

    • Sunlight
    • Saltwater
    • Sand
    • Sharp objects


    Installing a new trampoline can:

    • Improve comfort
    • Enhance safety
    • Restore appearance
    • Increase the stiffness and structure of the boat
    • Increase performance

    Whether you're replacing an original trampoline or upgrading to a performance model, Murrays Sports offers solutions designed specifically for the Hobie 18.


    Hobie 18 Sail Parts and Accessories

    The Hobie 18's powerful sail plan is a major reason for its legendary performance.

    Replacement sail-related components include:

    • Mainsail battens
    • Batten caps
    • Batten ties
    • Sail tell tales
    • Downhaul systems
    • Batten Pocket Protectors
    • Sail Bags
    • Sail repair tape

    Maintaining sail systems helps preserve efficiency and boat speed across a wide range of conditions.


    Hobie 18 Mast and Boom Components

    The rotating mast and spar system play a vital role in Hobie 18 performance.

    Available replacement components include:

    • Mast base casting
    • Mast hinge casting
    • Mast bearings
    • Mast step casting
    • Spreader systems
    • Rotation arms
    • Boom fittings
    • Gooseneck hardware
    • Tangs
    • Rivets
    • Downhaul System

    Routine inspection and maintenance help ensure safe operation and reliable sail control.


    Hobie 18 Hull Parts

    Although Hobie 18 hulls are known for their durability, fittings and hardware occasionally require replacement.

    Hull-related parts include:

    • Drain plugs
    • Inspection ports
    • Hull fittings
    • Deck hardware
    • Fasteners
    • Mounting brackets
    • Rail grip

    Regular inspection helps prevent water intrusion and prolongs hull life.


    Hobie 18 Magnum Parts

    The Hobie 18 Magnum introduced hiking wings that increased righting moment and crew comfort. These wings remain popular among recreational sailors and racers alike. The Magnum version became one of the most recognizable variants of the Hobie 18.

    Owners of Hobie 18 Magnum models often seek replacement:

    • Wing hardware
    • Mounting brackets
    • Structural fittings
    • Trapeze components
    • Rigging

    Maintaining wing systems ensures both safety and performance.


    Hobie 18 Racing Parts

    The Hobie 18 continues to enjoy an active racing community because of its speed, durability, and exciting handling characteristics. Many racers upgrade components to maintain competitive performance. Community discussions continue to highlight the Hobie 18 as a powerful and enjoyable platform for experienced sailors.

    Popular racing upgrades include:

    • Performance mainsheet systems
    • High-load blocks
    • Upgraded traveler controls
    • Lightweight tiller extensions
    • Modern control line systems
    • Racing trapeze hardware

    Properly maintained racing equipment helps sailors maximize boat speed while reducing friction and control loads.


    Restoring a Classic Hobie 18

    Many Hobie 18s built in the 1970s, 1980s, and 1990s remain active today. Because replacement parts are still readily available, the Hobie 18 is one of the most rewarding classic catamarans to restore.

    Common restoration projects include replacing:

    • Standing rigging
    • Sheeting lines and control lines
    • Trapeze system
    • Rudder locking hardware
    • Daggerboard
    • Trampolines
    • Sail battens
    • Drain plugs
    • Hull fittings
    • Blocks and cleats

    A well-restored Hobie 18 can deliver modern performance while preserving a classic multihull design.


    The Most Common Hobie 18 Replacement Parts

    Based on long-term owner demand, frequently replaced Hobie 18 parts include:

    1. Rudder cams
    2. Shrouds
    3. Forestays
    4. Trapeze wires
    5. Mainsheets
    6. Jib sheets
    7. Sail battens
    8. Trampolines
    9. Drain plugs
    10. Access ports

    Keeping these items in top condition helps avoid many common maintenance issues.


    Why Buy Hobie 18 Parts from Murrays Sports?

    Murrays Sports has been helping catamaran sailors maintain and upgrade their boats for decades. Our Hobie 18 inventory includes replacement parts organized by boat model and application, making it easier to find exactly what you need.

    Customers choose Murrays Sports for:

    • Extensive Hobie 18 parts inventory
    • Expert catamaran knowledge
    • Fast shipping
    • Technical support
    • Hard-to-find replacement components
    • Racing and restoration expertise
    • Trusted service since the early days of beach cat sailing
    • We make our own rigging and can usually ship out complete rigging sets within 24 hours

    Hobie 18 Frequently Asked Questions

    What are the most commonly replaced Hobie 18 parts?

    Rudder cams, standing rigging, trapeze wires, trampolines, sail battens, rudder pins, mast bearings and mainsheet systems are among the most frequently replaced components.

    Are parts available for older Hobie 18 models?

    Yes. Many replacement parts remain available for standard Hobie 18, Magnum, and SX boats, making restoration and maintenance practical.

    What makes the Hobie 18 different from the Hobie 16?

    The Hobie 18 features daggerboards, a larger sail plan, increased carrying capacity, and improved upwind performance compared to the Hobie 16.  The 18 is easier to tack and does not pitch pole as easily.

    How often should Hobie 18 rigging be inspected?

    Rigging should be inspected before every sailing season and periodically throughout the year, especially on boats exposed to saltwater environments.

    Can I improve performance with upgraded hardware?

    Yes. Modern blocks, racing sheets, rudder tuning, and performance rigging can significantly improve sail handling and efficiency.

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    392 products
    104" Hobie batten part number 21000001
    H-16 MAINSAIL FIBERGLASS BATTEN 107"
    Murrays Sports
    $64.95
    H16/18/Getaway Mast Tang

Murrays Part# 50-20690000

Hobie® factory replacement mast tang for Hobie® 16, 18, Getaway and the 1995 and newer Hobie® 17. Use twelve 6-4 rivets (#19-5031) and twelve casings (#19-5020) for installation.

Also known as a mast hound
    H-16/18/GETAWAY MAST TANG
    Hobie
    $63.99
    Out of Stock
    Boom End Cap H18 Aft
Murrays Part# 50-60760011
Hobie® factory replacement aft end cap for Hobie 18 boom.
Hobie part# 60760011
    H-18 AFT BOOM END CAP
    Hobie
    $60.99
    Hobie Stainless Steel Roller Furler Sleeve

Murrays Part# 50-61950001

Hobie Roller Furler Sleeve is a Hobie factory replacement stainless steel roller furler sleeve.

Hobie Part# 61950001
    HOBIE ROLLER FURLER SLEEVE (SS)
    Hobie
    $59.99
    H17/18/20/21/Wave and Getaway
Rudder Cam Kit


Murrays Part# 001-3550



The Rudder Cam Kit: H17, H18, H20, H21, Wave, & Getaway are replacement rudder cams which help keep your Hobie’s rudder lock-down mechanism functioning properly. This kit includes sister screws to install the cams, making it easier to replace the cams. Purchase the complete kit if your boat has the stock flare pins; or you can purchase just the cams (#50-10480000 each) if your boat already has sister screws.
    H-17/18/20/21/WAVE AND GETAWAY RUDDER CAM KIT
    Murrays Sports
    $59.00
    Out of Stock
    Boom End Cap H18 Forward
Murrays part# 50-60751010
Hobie® factory replacement forward end cap for Hobie 18 boom.
    H-18 FORWARD BOOM END CAP
    Hobie
    $58.00
    Out of Stock
    H18 Spreader Arm

Murrays Part# 50-61420000

Hobie® factory replacement spreader arm for Hobie® 18.
    H-18 SPREADER ARM
    Hobie
    $55.99
    Shock Cord Tramp Lacing Kit H14/16/18

Murrays Part# 001-2241

Shock Cord Tramp Lacing Kit H14, 16, 18 is for the recreational sailor who is lacing a trampoline. Shock Cord is usually the better choice over line tramp lacing. Just "set it and forget it" because shock cord maintains the tension you set when lacing your tramp. Shock cord also reduces tramp and grommet wear because the load is spread over multiple grommets, especially when walking on the tramp. The latest technology shock cord used in our kits
    H-14/16/18 SHOCK CORD TRAMP LACING KIT
    Murrays Sports
    $55.00
    JIB CLEW BLOCK KIT
    Murrays Sports
    $51.95
    Out of Stock
    Back Up Casting H18 Bow Tang
Murrays Part# 50-61120001
Hobie® factory replacement back up casting for Hobie® 18 bow tang.
    H-18 BACK UP CASTING BOW TANG
    Hobie
    $50.99
    Out of Stock
    HALYARD CLEAT (10 PACK)
    Hobie
    $50.00
    Adjustable Tiller Endcap

Murrays Part# 51-99000010



Extra long tiller crossbar end cap from Hobie Europe.

Pro Tip: Put some McLube One Drop or Corrosion X on the screw before installing to prevent seizing.
    ADJUSTABLE TILLER ENDCAP
    Murrays Sports
    $50.00
    H-18SX/21 WING END CASTING
    Hobie
    $49.99
    Out of Stock
    H18 Straight Tiller Arm-Black

Murrays Part# 50-60380111

Hobie® factory replacement black straight tiller tube for 1987 and later Hobie® 18. For Hobie 18's made in 1986 and before, a conversion kit (#50-60331010) is required.
    H-18 STRAIGHT TILLER ARM-BLACK
    Hobie
    $49.99
    Out of Stock
    H18 Shroud Anchor Plate Kit

Murrays Part# 50-64100001

The Shroud Anchor Plate Kit H18 is the Hobie® factory replacement shroud anchor plate kit for Hobie 18.

Applications:

This kit is also used to re-enforce the crossbar bolts on Hobie 18s with wings or the lighter H18 boats that were built from 1984-1988.
    H-18 SHROUD ANCHOR PLATE KIT
    Hobie
    $49.99
    Out of Stock
    Compression Plate Assembly Kit H18
Murrays Part# 50-60680001
Hobie® factory mast compression plate assembly kit for Hobie 18 and 18SX
    H-18 COMPRESSION PLATE ASSEMBLY KIT
    Hobie
    $49.99
    Black White
    6" ARMSTRONG DECK PLATE
    Armstrong
    $49.00
    H-18/21 Sport Cruiser Jib Halyard with Shackle

Murrays Part# 002-0486-00




Jib halyard with shackle for H18/21 Sport Cruiser is constructed to factory specifications.

Please note that the H21SC is differentiated by its 8.5' beam, front trampoline and Hobie® 18 rigging.

Order Jib Halyard line separately:

20' of 1/8" line Murrays Part# 39-0221
    H-18/21SC JIB HALYARD WITH SHACKLE
    Murrays Sports
    $48.00
    Quick Release Pin 1/4 X 1-1/4 with Lanyard

Murrays Part# 18-4M125L
    QUICK RELEASE PIN 1/4 X 1-1/4" WITH LANYARD
    Misc
    $47.00
    Deluxe Quick Release Pin 1/4 X 1 with Lanyard

Murrays Part# 18-4M100



This quick release pin features a push button on the top that releases 2 spring-loaded balls at the tip that secure the pin in place. Uses:

Hobie boom Gooseneck quick connection pin on the 14, 16 and 18.
Hobie 18 main clew to outhaul car connection pin.



Compare to Hobie Cat #20305 PIN, QR 1/4 X 1 CUP

Upgrade for Hobie 8020410 and 8020411 clevis pin
    DELUXE QUICK RELEASE PIN 1/4 X 1" WITH LANYARD
    Misc
    $47.00
    Hobie Halyard Twist Shackle

Murrays Part# 50-60670000

Classic 3/16 inch stainless steel twist shackle from Hobie Cat.

Hobie Part# 60670000
    HOBIE HALYARD TWIST SHACKLE
    Hobie
    $45.99
    H18 Traveler Cylinder Bearing Set

Murrays Part# 50-61852000

Hobie® factory replacement cylinder bearing set for Hobie® 18 main traveler. Set includes one pair.
    Hobie 18 main traveler car parts list - 6180001, 8040301, 61870000, 61880000, 60190000, 8050311, 61842000, 8060121, 61810000, 61830000, 61852000, 8020431
    H-18 TRAVELER CYLINDER BEARING SET
    Hobie
    $45.99
    H14/16/18/20/Wave Rudder Cam Stop Plate

Murrays Part# 50-20352000



Hobie factory replacement rudder cam plate for Hobie 14, 16, 17, 18 (1987 and later) and Wave (with aluminum castings).

Hobie Part# 20352000
    H-14/16/18/20/WAVE RUDDER CAM STOP PLATE
    Hobie
    $45.99
    Hobie 3062 1/4" Bow shackle with quick release pin
    QUICK RELEASE 1/4" BOW SHACKLE
    Murrays Sports
    $45.00
    Quick Release Deluxe Pin 1/4 X 1.25" 
Murrays Part# 18-4M125
This quick release pin features a push button on the top that releases 2 spring-loaded balls at the tip that secure the pin in place. Also available with a lanyard, see related items below.

Uses:

This pin is recommended for connection of hiking stick to crossbar on all Hobie, Nacra and Prindle catamarans.
Also used on Hobie 18 SX and Hobie Magnum wings.
Compare to Hobie part# 20306 PIN, QR 1/4 X 1-1/4 CUP
    QUICK RELEASE DELUXE PIN 1/4 X 1-1/4"
    Misc
    $45.00
    Specs: 1/4" diameter x 1" maximum grip length (distance from the shoulder to the locking ball bearings).

Uses:

Hobie boom Gooseneck quick connection pin on the 14, 16 and 18.
Hobie 18 main clew to outhaul car connection pin.



Compare to Hobie Cat® Part# 20305 PIN, QR 1/4 X 1 CUP

Upgrade for Hobie Part# 8020410 and 8020411 clevis pin
    QUICK RELEASE DELUXE PIN 1/4 X 1"
    Misc
    $45.00
    Out of Stock
    Headboard Replacement Kit

Murrays Part# 001-1014

Headboard Replacement Kit includes one pair of anodized aluminum plates with rivets to be set with a hammer. Plates measure 5" high x 4" wide x 6-1/4 diagonal. Replacement rivets are available separately (#19-5006).
    HEADBOARD REPLACEMENT KIT
    Murrays Sports
    $45.00
    Tiller Crossbar Adjustable Cap Kit

Murrays Part# 50-60400011M



Murrays Tiller Crossbar Adjustable Cap Kit installs in the end of the Hobie tiller crossbar and allows you to adjust the width of the crossbar which controls the angel of the rudders.

Hobie discontinued this part and this is a Murrays Replacement part that we have made here in California.

Applications: H14, H16, H17, H18, Hobie 18 SX tiller x-bar

Tiller Crossbar Adjuster: 1
    HOBIE TILLER CROSSBAR ADJUSTABLE END CAP - 60400011
    Murrays Sports
    $45.00
    H18 Spreader Brace

Murrays Part# 50-61430000

Hobie® factory replacement spreader brace for Hobie® 18.
    H-18 SPREADER BRACE
    Hobie
    $45.00
    H14/16/18 Dyneema Race Tramp Lace Kit

Murray Part# 001-2242-1

Tramp Lace Kit H14 H16 H18 - Dyneema Race Kit uses Dyneema® which is the best choice for racers or other sailors looking for the ultimate in strength, light weight, and very low stretch characteristics in their tramp line lacing. Dyneema® has excellent ultraviolet and abrasion-resistance properties for longevity.
    H-14/16/18 DYNEEMA RACE TRAMP LACE KIT
    Murrays Sports
    $45.00
    Out of Stock
    Murrays Can't miss rings, trapeze harness ring, J&H Handles, Hobie part number 2004BLK, dog bone, trap handle, Hobie trapeze handle, Nacra, prindle, g-Cat, Sol Cat, Dart catamaran
    Murrays Can't miss rings, trapeze harness ring, J&H Handles, Hobie part number 2004BLK, dog bone
    CAN'T MISS RINGS
    Murrays Sports
    $45.00
    Hobie Aussie Halyard Ring

Murrays Part# 007-3064

If you're having trouble raising or lowering your mainsail due to a faulty halyard ring and shackle, this upgrade will help. Welded ring and lanyard give you more positive control while hooking or unhooking the ring to the hook. Use on any boat that uses a hook at the mast head and a ring and shackle at the head of the sail. Personal preference dictates whether you choose this ring or the Murrays Aussie Ring (#01-4216).

Hobie® Part# 3064
    HOBIE AUSSIE HALYARD RING
    Hobie
    $44.99
    Mast Rotation Control Arm

Murrays Part# 25-3040

Stainless mast rotation control arm is strong and smooth! Arm #25-3040 with 1/4″ hole is for all Hobies except for the Hobie® 17, Prindles and Nacras; Arm #25-3041 with 5/16″ hole is for Nacras, Prindles and the Hobie® 17. H17 uses #19-2235 bolt

Hobie Part# 61210001
    MAST ROTATION CONTROL ARM
    Murrays Sports
    from $44.95
    TURNBUCKLE COMPLETE 5/32"
    Misc
    $44.00
    Harken Sail Chafe Protector

Murrays Part# 28-0285



Harken's Sail Chafe Protector Set replaces the diamond wire rollers to protect the jib from chafing on the diamond wire spreader. The split rollers are pre-drilled to fit up to 3/16" wire. Each 2-3/4"-diameter (70mm) protector has two pieces that snap together for easy installation. Used on Hobie 18, Hobie 20, Prindle 18.2, Prindle 19, Nacra 15, 17, 18, Inter 20, F18
    HARKEN SAIL CHAFE PROTECTOR (2)
    Harken
    $44.00
    Murrays Part# 001-7050
The gold standard for catamaran racing has been the Coffee Marine Bridle Fly or the Hobie STD bridle vane that was designed based on it. The red plastic vane is very sensitive to wind shifts and easily mounts to the front of a Hobie 16, 14, Wave and all the Prindle Catamarans. With an adapter it can be mounted to any of the Hobiecat sailboats that use a furling drum. To start out, we are offering the standard length which extends about 13" and
Hobie part number 7703
    COFFEE MARINE BRIDLE VANE
    Murrays Sports
    $40.99
    Out of Stock
    H14/18 Jib Luff Zipper

Murrays Part# 50-62300000

Hobie® factory jib luff zipper for Hobie 14 or 18.

Hobie Part# 62300000
    H-14/18 JIB LUFF ZIPPER
    Hobie
    $40.99
    H18 Traveler Angle Deck Plate

Murrays Part# 50-61870000

Deck plate for Hobie 18 traveler from Hobie Cat.

Hobie Part# 61870000
    Hobie 18 main traveler car parts list - 6180001, 8040301, 61870000, 61880000, 60190000, 8050311, 61842000, 8060121, 61810000, 61830000, 61852000, 8020431
    H-18 TRAVELER ANGLE DECK PLATE
    Hobie
    $40.99
    SPRING TENSIONED SNAP SHACKLE
    Murrays Sports
    $40.55
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