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
    Hobie Rudder Cam
Hobie part number 10480000
Hobie factory replacement cam. Rudder cams should be inspected and replaced periodically. Always replace cams that are bent out of shape.

Used on all Hobie Catamarans with metal housing rudder systems. Compatible on all Hobie 14, 16, 17, 18, 20, 21SC and 21SE as well as older Wave and Getaway models.

Not compatible with the Hobie Wave and Getaway EZ Loc plastic rudder housing rudder system.
    HOBIE RUDDER CAM
    Hobie
    $16.99
    Jib Clew Plate 3-Hole

Murrays Part# 50-62270000



Hobie® factory replacement 3-hole jib clew plate (pair) with rivets.

Hobie 18 main sail clew plate

Hobie Part# 62270000
    JIB CLEW PLATE 3-HOLE
    Hobie
    $16.99
    H18 Wing Strut Tab

Murrays Part# 50-65100000

Hobie® factory replacement wing strut tab for Hobie 18.
    H-18 WING STRUT TAB
    Hobie
    $15.99
    Shroud Stay Adjuster 7 Hole

Murrays Part# 25-3310

Stainless steel shroud adjuster with seven 1/4" holes.

​Use #22-9802 clevis pin at top and #22-9808 at bottom.

Fits: H14/16/18/20, Wave and Getaway.

Compare to Hobie Part# 20830010
Nacra - Prindle part number 9893
    SHROUD STAY ADJUSTER 7-HOLE
    Murrays Sports
    $15.99
    Sale
    Jib track 5/8” used
    Murrays Sports
    Sale price $15.00 Regular price $30.00 Save $15
    HOBIE 18 CHANNEL RETAINING PLATE

HOBIE PART NUMBER 61110000
    H-18 CHANNEL RETAINING PLATE
    Murrays Sports
    $15.00
    Harken Cleat Adapter with Hardware

Murrays Part# 007-50010



Hobie Factory Part 50010
    CLEAT ADAPTER PLATE WITH HARDWARE
    Hobie
    $14.99
    H18/21 Jib Protector Balls
Murrays Part# 012-0020
Diamond wire spreader balls for the Hobie 18 and 21.  They go on your diamond wire spreaders to protect your jib from rubbing against them.
    H-18/21 JIB PROTECTOR BALLS
    Tren-Tec
    $14.99
    Out of Stock
    Soft Grip Standard Extension .570 x 11"

Murrays Part# 007-3206

This is a grip upgrade for the standard Hobie Tiller extension, it will also fit the Murrays fixed tiller extension as well.

Hobie Part# 3206
    SOFT GRIP STANDARD EXTENSION .570 x 11"
    Hobie
    $14.99
    Hobie Tiller Extension Hinge

Murrays Part# 50-10532010

Hobie® factory replacement tiller extension hinge for #50-20550001 Hobie® Fiberglass tiller extension. Also used on Nacra tillers.

Hobie Part Number: 10532010
    Hobie Tiller Extension Hinge

Hobie Part number 10532010

Hobie factory replacement tiller extension hinge for #50-20550001 Hobie Fiberglass tiller extension. Also used on Nacra tillers.

Hobie Part# 10532010
    HOBIE TILLER EXTENSION HINGE
    Hobie
    $14.99
    Traveler Spacer H18
Murrays Part# 50-61880000
Hobie® factory replacement spacer for Hobie® 18 main traveler car.
    H-18 TRAVELER SPACER
    Hobie
    $14.99
    Out of Stock
    H18 Rudder Cam Pin

Murrays Part# 50-50312301




Hobie® factory replacement rudder cam pin for Hobie 17, 18, 20, 21SC and 21SE as well as older Wave and Getaway models.
    H-18 RUDDER CAM PIN
    Hobie
    $14.99
    Roller Furling Drum Forestay Adjuster

Murrays Part# 50-60830000

Hobie® factory replacement 13-hole adjuster for roller furler.

Hobie Part# 60830000
    ROLLER FURLING DRUM FORESTAY ADJUSTER
    Hobie
    $14.99
    H18 Mast Bearing

Murrays Part# 50-60110000



Hobie Cat® factory mast bearing for Hobie 18. This part sits on the mast step to facilitate mast rotation on the Hobie 18.

Hobie part# 60110000
    H-18 MAST BEARING
    Hobie
    $14.99
    Out of Stock
    Twist Toggle: Hobie/Prindle
Murrays Part# 25-3320
Stainless steel twist toggle is the standard equipment connection between the shroud anchor pin and shroud adjuster on many catamarans. The twist toggle acts as a universal joint to help eliminate binding. Hobie Cat® item #20210000.
    HOBIE/PRINDLE TWIST TOGGLE
    Hobie
    $14.99
    Murrays Part# 001-0062
Replacement tiller yoke assembly for all hiking sticks sold by Murrays. Used to connect the tiller extension to the tiller crossbar. Includes two contoured spacers that provide a solid platform for the yoke to sit on. Compare to Hobie Cat® Tiller yoke assembly #3205 or NACRA connection part tiller/joystick #31072
Applications: All Hobies and Prindles
Tiller Yoke Assembly: 1
    Tller connection kit - yoke assembly - Hobie, Nacra, Prindle
    TILLER YOKE ASSEMBLY WITH SPACERS
    Murrays Sports
    $14.99
    Out of Stock
    EASY RIGG TOOL RED
    Murrays Sports
    $14.95
    EASY RIGG TOOL BLUE
    Murrays Sports
    $14.95
    EASY RIGG TOOL GREEN
    Murrays Sports
    $14.95
    Yellow Black
    EASY RIGG TOOL
    Easy-Rigg
    $14.95
    TRAMP CLAMP (10)

Minimize chafing at trampoline stress points and reduce the possibility of the trampoline pulling out of the aluminum extrusion. Clamps slide into the aluminum extrusion track. 10 pieces, 1.5" long. By Tren Tec.™ Hobie Cat® uses #2066 for this item
    TRAMP CLAMP (10)
    Tren-Tec
    $14.00
    Out of Stock
    Hobie Spreader Covers
Murrays part# 007-3262
These vinyl spreader bar end covers are real sail-savers! The black, smooth resilient covers protect the jib luff from wear and tear from cotter keys and sharp edges. Pair. Hobie Cat® factory item #3262.
    HOBIE SPREADER COVERS
    Hobie
    $13.99
    Out of Stock
    H18 Bow Tang

Murrays Part# 50-60120000

Hobie Cat® factory replacement bow tang for Hobie® 18.
    H-18 BOW TANG
    Hobie
    $13.99
    Batten Cap Hobie Main Leech
Murrays Part# 50-11323000
Hobie® factory replacement part number 11323000.
Hobie batten cap are sold individually.
Order batten tie separately; 18" of 1/8" line per batten cap is standard.
Sold individually
    HOBIE MAIN LEECH BATTEN CAP
    Hobie
    $13.99
    H18 Angled Luff Batten Caps
Murrays Part# 012-4005
No more battens poking through next to the mast. Ten angled Tren Tec luff caps for Hobie® 18 prevent batten splitting and align batten to the angle of the sail, increasing the life of your sail. Glue to the forward end of the batten.
Hobie Part# 1563
Sold in packages of 10
    H-18 ANGLED LUFF BATTEN CAPS
    Tren-Tec
    $13.50
    Traveler Ball Bearing H18 61852000

Murrays Part# 50-61850000

The Traveler Ball Bearing H18 is the stock Hobie 18 Main sheet traveler car ball beaing. This ball can be used in place of cylinder bearing #50-61860000 to bring the traveler back to what came stock on the Hobie 18.

The difference between the traveler ball and the cylinder is that the balls allow the car to move faster but they wear down quicker. Hobie has stopped making the Hobie 18 traveler balls, but Murrays found their source and made more!
    Hobie 18 main traveler car parts list - 6180001, 8040301, 61870000, 61880000, 60190000, 8050311, 61842000, 8060121, 61810000, 61830000, 61852000, 8020431
    H-18 TRAVELER BALL BEARING
    Murrays Sports
    $13.50
    Out of Stock
    Bolt Socket Head 3/8-16 X 3.75"
Murrays Part# 50-8040561
Hobie® factory replacement 3/8-16 x 3.75" socket head bolt.
Applications:
Hobie 18 inboard front crossbar
    BOLT SOC HEAD 3/8-16 X 3.75"
    Misc
    $12.99
    Ronstan Series 20 Utility Block, Tube Rivet

Murrays Part# 21-0661




Rontan's cheek block is a Hobie® 18 and Prindle downhaul and turning block. Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow rivets in the block heads can be fitted with shackles, which can also be used to add a becket for extra purchase.
    RONSTAN MIDGET SINGLE BLOCK (CHEEK)
    Ronstan
    $12.90
    H18SX Bracket Wing Strut

Murrays Part# 50-91490010



This is the bracket that the rear support arm of an H18SX wing uses. One is mounted to the wing and one is mounted to the rear hull of an H18SX per wing.

Hobie Part# 91490010
    H-18SX BRACKET WING STRUT
    Hobie
    $12.50
    Ronstan bow shackle measurements
    RONSTAN 1/4" BOW SHACKLE
    Ronstan
    $12.49
    Quick Release Detent Pin 1/4 X 3"
Murrays Part# 18-4D300
Economical quick release pin has a spring-loaded ball that exerts sufficient pressure to help avoid accidental release.

Measurements are 1/4" diameter x 3" maximum grip length (distance from the shoulder to the locking ball bearings).

Uses:

- Use as mast step pin on Hobie® 21 and Prindle 16/18/18-2/19 cats.

Compare to Hobie part # 8020501
    Quick Release Detent Pin 1/4 X 3"
Murrays Part# 18-4D300
Economical quick release pin has a spring-loaded ball that exerts sufficient pressure to help avoid accidental release.

Measurements are 1/4" diameter x 3" maximum grip length (distance from the shoulder to the locking ball bearings).

Uses:

- Use as mast step pin on Hobie® 21 and Prindle 16/18/18-2/19 cats.

Compare to Hobie part # 8020501
    QUICK RELEASE DETENT PIN 1/4 X 3"
    Misc
    $12.00
    DIAMOND WIRE ROLLER
    Misc
    $12.00
    Batten Cap Jib Leech H16
Murrays Part# 50-2133000
Hobie® factory jib leech batten cap for Hobie® 16. For batten tie, use 18" of 1/8" Dacron® solid braid #39-0221.
These are also used on the top two battens of a Hobie Wave and the top batten of a Hobie 18 Mainsail.
Sold individually
    HOBIE JIB BATTEN LEECH CAP (EA)
    Hobie
    $11.99
    Out of Stock
    Hobie Boom Blocker Hanger 

Murrays Part# 50-10760000

Hobie factory boom block hanger for the Hobie 14, 16, 17 and 18.

Hole spacing is 1-1/8". 

Use four 6-4 rivets (#19-5031) for installation.
    HOBIE BOOM BLOCKER HANGER
    Hobie
    $11.99
    H18 Jib Furler Bearing (Cage)

Murrays Part# 50-61930000

Hobie® factory replacement bearing cage for Hobie® roller furler drum #50-61900000.

Hobie Part# 61930000
    H-18 JIB FURLER BEARING (CAGE)
    Hobie
    $11.99
    Clamcleat Leech Line Cleat

Murrays Part# 27-0212



Jib halyard tensioning cleat for zippered luff jibs. The low-profile, white nylon Clamcleat® can be sewn or riveted onto sails and technical fabrics. It can be mounted in two positions on the sail.

The tooth design allows a quick, positive lock that is easy to release. It is an ideal cleat for adjusting leech lines. Use a backplate when riveting a cleat onto fabric, as it will prevent the rivet pulling through.

Includes: backing plate and 2x flare rivet
    CLAMCLEAT LEECH LINE CLEAT
    Clamcleat
    $11.50
    3-Hole Pad Kit

Murrays Part# 001-0110

This base kit is for Harken®, Hobie® or Murray 360 cleats without swivel base adapters. Kit includes one 3-hole base, one swivel base adapter (#25-3001), plus three #10 FHSMS (#19-1626). Ronstan swivel 360 cleats include swivel base adapters, so this kit is not necessary. Fits Hobie® or Prindle elliptical crossbar.
    3-HOLE PAD KIT
    Murrays Sports
    $11.00
    Murrays Part# 50-10432000
Hobie® factory 2½" spring for Hobie® 16 lower rudder casting. This spring is longer and stiffer than original equipment (#50-10430000), providing additional tension if you are having trouble with rudder kick up.
Used on Hobie 18 Rudder Systems from late 80s through now.
Used on Hobie 16 Rudder Systems after 1983
Used on Hobie Getaway Rudder Systems pre- EZ Loc
Hobie part number 10432000
    HOBIE RUDDER SPRING-LONG
    Hobie
    $10.99
    Roller Furler Darby Ring (Large)

Murrays Part# 50-8062511

Hobie® factory replacement large darby ring for roller furler.

Hobie Part# 8062511
    ROLLER FURLER DARBY RING (LARGE)
    Hobie
    $10.99
    Out of Stock
    Dolphin Striker Post Sleeve
Murrays Part# 50-61140000
Hobie® factory replacement dolphin striker post sleeve for Hobie 18
Hobie Part# 61140000
    H-18 DOLPHIN STRIKER POST SLEEVE
    Hobie
    $10.19
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