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.

    Target SEO Keywords

    Hobie 18 parts, Hobie 18 replacement parts, Hobie 18 rigging, Hobie 18 rudder parts, Hobie 18 daggerboards, Hobie 18 trampolines, Hobie 18 sail parts, Hobie 18 Magnum parts, Hobie 18 racing parts, Hobie catamaran parts, Hobie 18 restoration, Hobie 18 hardware, Hobie 18 accessories, catamaran replacement parts, Murrays Sports Hobie 18 parts.

     

    392 products
    Out of Stock
    Diamond Wire Tang
Murrays Part# 50-61480000
Hobie® factory replacement diamond wire tang
Hobie Part# 61480000
    DIAMOND WIRE TANG
    Hobie
    $10.19
    Kisme Kleet (4)

Murrays Part# 005-1010
    KISME KLEET (4)
    Misc
    $10.00
    Out of Stock
    H-18SX WING STRUT
    Hobie
    $9.99
    Hobie 20-style factory tiller connector post. Part of the Hobie 1953 tiller connection system. Hobie part number 40530000 and 40530001
    Hobie 1953 tiller connection kit - new style
    H-20 TILLER CONNECTOR POST
    Hobie
    $9.99
    Traveler Sheave H18 - 61890000

Murrays Part# 50-61890000



Hobie factory replacement sheave for Hobie 18 main traveler car.

Hobie Part# 61890000
    H-18 TRAVELER SHEAVE
    Hobie
    $9.99
    Hobie 18 rudder plunger. Hobie Part number 50312201. Also use on the 17 as well as the older Wave and Getaway
    H-17/18/GETAWAY RUDDER CAST PLUNGER
    Hobie
    $9.99
    Rudder Casting Lock Spring
Murray Part# 50-10430000
Hobie factory replacement 2-1/8" lock spring for rudder casting. Replace rudder springs with this original spring supplied on Hobie® 14, 16, (pre 1983) 17 and 18.
Compare to HC part number 10430000
H14, H16, H17, H18, H20
    HOBIE RUDDER SPRING
    Hobie
    $9.99
    RUDDER CASTING DELRIN SCREW - rudder locking adjustment screw - 60450000
    HOBIE DELRIN RUDDER SCREW - 60450000
    Hobie
    $9.99
    H17/18 Mast Seal Plate

Murrays Part# 50-61080000

Replacement mast seal plate for the Hobie 17 or Hobie 18. 

Hobie Part# 61080000
    H-17/18 MAST SEAL PLATE
    Hobie
    $9.99
    H18 Mast Head/Base Sheave

Murrays Part# 50-60620000

Factory replacement sheave for Hobie 18 mast head/base and outhaul assembly.

Specs: 1" Diameter x 3/8" wide and 1/4" hole.

Also used as traveler control line turning sheave on 2005 and newer Hobie 16 sailboats.

Applications:

Hobie 18 - Mast head halyard sheave ; mast base halyard sheave ; outhaul car sheaves.
Hobie 16 - Jib Traveler line sheave. (in the H16 Race Corner Castings) use 50-8011251 Rivet
    H-18 MAST HEAD/BASE SHEAVE
    Hobie
    $9.99
    Out of Stock
    H18 Traveler Roller Skid

Murrays Part# 50-61810000

Hobie® factory replacement roller skid for Hobie® 18 main traveler.
    Hobie 18 main traveler car parts list - 6180001, 8040301, 61870000, 61880000, 60190000, 8050311, 61842000, 8060121, 61810000, 61830000, 61852000, 8020431
    H-18 TRAVELER ROLLER SKID
    Hobie
    $9.99
    Out of Stock
    H-18 CLASS SAIL INSIGNIA
    Hobie
    $9.99
    Batten Cap Main Luff (EA)

Murrays Part# 50-11322011

Main luff batten cap for Hobie Cats are sold individually. Order batten tie separately; 18" of line per batten cap is standard. Hobie® factory replacement part.
    MAIN LUFF BATTEN CAP (EA)
    Hobie
    $9.99
    Ronstan Series 19 C-Track End Cap

Murrays Part# 21-0366

These are End Stops for the new C-Track by Ronstan. Similar to the stainless tracks used on H18 and H16 in the past. Track end, plastic

Best replacement for End stop for 5/8" jib track as on Hobie® 16 or Hobie® 18. The end stop can be fastened with #19-1620 screw or #19-5021 6-4 countersunk rivet. Compare to Hobie Cat part #20260000.
    RONSTAN JIB TRACK END CAP
    Ronstan
    $9.99
    Hobie Cat #80550005 Main sail batten pocket protector kit.  Hobie, Nacra, Prindle.
    MAIN SAIL POCKET PROTECTOR KIT
    Murrays Sports
    $9.00
    Sister Clip Micro 

Murrays Part# 004-7730

The stainless steel micro sister clip is a quick connector with no moving parts. The micro sister clip does not have a slot.
    SISTER CLIP MICRO (EA)
    Murrays Sports
    $8.00
    Ronstan Stainless Steel D Shackle, 3/16" Pin, Slotted Head

Murrays Part# 21-0616


Ronstan stainless D shackle has 3/16" diameter pin. This shackle is a substitute for Hobie® item #11220000, #SP0051 and #SP0052.
    RONSTAN 3/16 D SHACKLE
    Ronstan
    $8.00
    Ronstan Stainless Steel Bow Shackle, 3/16" Pin, Coined Head

Murrays Part# 21-0634



Solid stainless steel bow shackle has 3/16" diameter pin. 

UDL BL - The “Uniformly Distributed Load” breaking load of the shackle; the load is applied across the full span of the shackle pin. PL BL - The “Point Load” breaking load of the shackle; the load is only applied at the center or one side of the shackle pin.
    Ronstan bow shackle measurements
    RONSTAN 3/16" BOW SHACKLE
    Ronstan
    $8.00
    Out of Stock
    Zip Tech Zipper Lubricant 0.5oz

Murrays Part# 38-1925



Zipper Lubricant for use on dry suits, and other tough zipper applications to ensure zippers operate properly and seal out the elements.
    ZIPPER LUBRICANT
    Misc
    $7.50
    Quick-Release Pin Detent 1/4 X 1-1/2
Murrays Part# 18-4D150
The Quick-Release Pin Detent 1/4 X 1-1/2 is an economical, quick connection for Hobie 16 mast step pin. A spring-loaded ball exerts sufficient pressure to help avoid accidental release. Measurements are 1/4″ diameter x 1-1/2″ maximum grip length (distance from the shoulder to the locking ball bearings).
    QUICK RELEASE DETENT PIN 1/4 X 1-1/2"
    Misc
    $7.50
    Ronstan Clevis Pin Retaining Clip

Murrays Part# 21-0413

The Ronstan Spring Clip is a stainless spring clip for quick rudder pin removal or Hobie 14, 16, 17, 18, 20, Wave and Getaway models. This handy little pin is also called a hairpin cotter, bridge pin, hitch pin clip or R clip. Great convenience item for all boats with rudder pins, ie: Hobie, Nacra and Prindle 15, 16, 18, 18-2, 19, 19MX, and Escape.

Ronstan Part# RF413
    RONSTAN CLEVIS PIN RETAINING CLIP
    Ronstan
    $7.45
    Rudder Stiffening Kit

Murrays Part# 001-2053

The Rudder Stiffening Kit for all Hobies eliminates excessive clearances between rudders and castings which cause wobble and thwart rudder alignment. Kit has 4 stainless nylock nuts and 8 spacers. Compare to Hobie Cat® item #136.
    RUDDER STIFFENING KIT
    Murrays Sports
    $7.00
    HOBIE ROLLER FURLING DRUM 1" NYLINER
    Hobie
    $6.99
    RONSTAN 4" HORN CLEAT
    Ronstan
    $6.93
    Drain Plug with Plastic Base

Murrays Part# 001-0051

This lightweight and inexpensive drain plug features a molded recess in the molded nylon base that traps sealant (sold separately) in place, providing a more watertight seal. Gasket included.
    DRAIN PLUG WITH PLASTIC BASE
    Sea Dog
    $6.00
    EYE STRAP KIT - 2072
    Murrays Sports
    $5.99
    Screw Delrin 3/8-16 X .75"

Murrays Part# 50-8032001

Hobie® factory replacement 3/8-16 x 3/4" Delrin screw is used as rudder rake adjustment screw on Pre-EZ Lock Rudder System.

Hobie Part# 8032001
    HOBIE RUDDER RAKE ADJUSTMENT SCREW - 8032001
    Hobie
    $5.99
    Roller Furling Darby Ring (Small)

Murrays Part# 50-8062501

Hobie® factory replacement small Darby ring for roller furler.

Hobie Part# 8062501
    ROLLER FURLING DARBY RING (SMALL)
    Hobie
    $5.99
    H18 Compression Sleeve

Murrays Part# 50-61490000



Hobie® factory replacement compression sleeve for mast of Hobie 18.
    H-18 COMPRESSION SLEEVE
    Hobie
    $5.99
    Hobie 18 mast step hinge pin, has a hole on one end only. The headless clevis pin measures 1/4″ diameter by 3-3/8″ grip length Hobie Part # 8020501
    HEADLESS CLEVIS PIN 1/4 X 3-3/8"
    Misc
    $5.99
    Out of Stock
    NYLINER 3/8"
    Hobie
    $5.50
    Hobie rudder bushing. Hobie part number 8062001
    RUDDER TITE BUSHING EACH
    Murrays Sports
    $5.50
    H18 Nylon Roller Furler Sleeve

Murrays Part# 50-61940000

Hobie® factory replacement nylon sleeve for roller furling assembly.

Hobie Part# 61940000
    HOBIE NYLON ROLLER FURLER SLEEVE
    Hobie
    $5.39
    H18/20 Outhaul Car Bearing Pin

Murrays Part# 50-60250000



This pin is used to hole the bearings on the traveler car for an H-18 or Miracle 20 beachcat. This pin has been discontinued by Hobie, this part meets or exceeds OEM quality and specification.

Compare to Hobie Part# 6025000
    H-18/20 OUTHAUL CAR BEARING PIN
    Hobie
    $5.39
    H17/18 Mast Foam Plug

Murrays Part# 50-60060000

Hobie® factory replacement foam plug for Hobie® 17 or 18 mast.
    H-17/18 MAST FOAM PLUG
    Hobie
    $5.39
    Boom Outhaul Bearing H18
Murrays Part# 50-60240000
Boom bearing for Hobie 18 outhaul system
    H-18 BOOM OUTHAUL BEARING
    Murrays Sports
    $5.39
    Made from 18 stainless steel these set screws are chemical resistant and may be mildly magnetic. They have a thin edge that digs into the contact surface for a secure hold. Length listed is the overall length. Screw for the Hobie 18 wing mount kit. 65071001
    SOCKET SCREW 5/16-18 x 2"
    Misc
    $5.00
    H18 Assembly Manual

Murrays Part# 50-63450000

Printout of H18 assembly manual PDF.
    H-18 ASSEMBLY MANUAL
    Murrays Sports
    $5.00
    Rope Lock (Nylon)

Murrays Part# 001-0120

Easy-to-adjust black rope lock commonly used for trapeze height adjustment. Standard rope stop on Hobie®, Nacra and Prindle. Double-up back-to-back for extra strength. Hobie part number 61530000 for this rope lock.

Works on 3/16 to 1/4" line
    NYLON ROPE LOCK
    Murrays Sports
    $4.95
    H16 E-Clip Gooseneck

Murrays Part# 50-8062521

Hobie® factory replacement E-clip for gooseneck on Hobie® 16. The E-clip fits old-style boom pin that is grooved.

Hobie Part# 8062521
    H-16 E-CLIP GOOSENECK
    Hobie
    $4.79
    Recently viewed