Ronstan RF243 – Stainless steel rudder gudgeon with 25mm opening for pintle-mounted rudders on dinghies and small boats Ronstan RF243 – Stainless steel rudder gudgeon with 25mm opening for pintle-mounted rudders on dinghies and small boats
Ronstan RF243 – Stainless steel rudder gudgeon with 25mm opening for pintle-mounted rudders on dinghies and small boats

Ronstan

Ronstan RF243 Rudder Gudgeon 25mm Opening – Stainless Steel Transom Fitting

$51.00 $40.80 Save 20%
Tax included.

Secure your rudder with confidence using the Ronstan RF243 Rudder Gudgeon 25mm Opening—a compact, high-strength transom-mounted fitting designed for pintle-mounted rudder systems on dinghies and small boats.

Constructed from marine-grade stainless steel, the RF243 provides excellent corrosion resistance and long-term durability, making it ideal for use in harsh saltwater environments.

The 25mm throat opening ensures a precise fit with compatible pintles, delivering smooth, reliable rudder movement and consistent steering performance.

Designed with four countersunk mounting holes, this gudgeon allows for secure installation on the transom, maintaining correct alignment and reducing stress on the rudder system during operation.

With a 6.4mm pin compatibility, it integrates seamlessly with standard pintle fittings, making it a dependable choice for new builds, upgrades, or replacement installations.

Compact and robust, the RF243 is widely used across dinghies, trailer yachts, and small keelboats, where reliability and strength are essential.

Key Features

  • 25mm opening – suits standard pintle-mounted rudders
  • Marine-grade stainless steel – corrosion-resistant and durable
  • 6.4mm pin compatibility – fits common pintle sizes
  • 4-hole mounting pattern – secure transom installation
  • Compact and strong design – ideal for small vessels
  • Smooth pivot action – reliable steering performance
  • Built for marine environments – long service life

Specifications

  • Brand: Ronstan
  • Model: RF243
  • Product Type: Rudder gudgeon
  • Opening Width: 25mm
  • Pin Diameter: 6.4mm (1/4")
  • Strap Length: Approx. 56mm
  • Weight: Approx. 35–75g (varies by listing)
  • Material: Marine-grade stainless steel
  • Mounting: 4 x countersunk holes

Ideal Applications

  • Dinghies and skiffs
  • Trailer yachts
  • Small keelboats
  • Replacement rudder fittings

This fitting is essential for maintaining a secure, aligned rudder system, ensuring safe and responsive steering.

Why Buy from Barton Marine NZ?

  • Trusted NZ marine hardware supplier
  • Fast nationwide delivery
  • Genuine Ronstan fittings
  • Ideal for NZ boating conditions

Pro Tip 

  • Always pair with a matching pintle size (6.4mm) for best fit
  • Align gudgeons carefully during installation to avoid rudder binding
  • Check fasteners regularly to maintain safe steering performance