Towbar, Caravan & Trailer Spares & Accessories

Knott 575004 Coupling Head – 3500kg


Coupling Head 2700kg to 3500kg


A Genuine Knott 575004 cast coupling head for KFG35 and KRV35 – A replacement part designed to seamlessly fit trailers equipped with Knott couplings featuring a 60mm drawbar. This kit guarantees a secure and dependable towing connection, ensuring your trailer stays on the road.

Also a straight replacement with Avonride head fitted on AC35 couplings with a weight range up to 3500kg.

Key Features:

  1. Direct Replacement: The Knott 575004 is crafted as a direct replacement for worn or damaged coupling heads on trailers fitted with Knott couplings with a 60mm drawbar, providing a quick and hassle-free solution to keep you towing without interruption.
  2. Essential Kit: Your purchase includes everything needed for a complete and straightforward installation – the coupling head, M14 bolts, M14 nuts, plastic nut caps, a washer, and keys. Each component is precision-engineered for durability and longevity.
  3. Compatibility: Tailored to suit Knott couplings with a 60mm drawbar and a 3500kg capacity, ensuring that your replacement part meets the exact specifications of your trailer.
  4. Ifor Williams Equivalent: The Knott 575004 is the genuine replacement you can trust for Ifor Williams trailer owners. The Ifor Williams equivalent part number is P00907, simplifying finding the right fit for your trailer.

Secure Your Investment with Optional Lock:

We stock a compatible LOCK for the Knott 575004 coupling head to enhance security, available separately. Protect your valuable cargo with this additional safeguard, ensuring peace of mind during your journeys. Find the lock and other essential towing accessories at Western Towing, your reliable partner in towing equipment.

Trust in the quality and precision of Knott – a brand often chosen for Ifor Williams trailers and occasionally for Graham Edward trailers. Replace with confidence and experience the reliability that comes with genuine Knott parts. Western Towing is your go-to source for all your towing needs – because your journey deserves the best.

Free delivery available to most of the UK.

Additional information

Coupling Spare Type



MPN 575004


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Further Assistance

Have a question about our Knott 575004 Coupling Head – 3500kg? Our sales team are here to help Monday to Friday 9am to 5.30pm. Why not call us on 01392 216336.

Should you prefer to email us, please use our product enquiry form.

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