Description
The NV4500 / NV5600 Clutch Fork is supplied new and genuine through Willys Workshop.
This clutch fork actuates the release bearing inside the NV4500 and NV5600 transmissions.
Sourced through Willys Workshop’s Double Duty Diesel dealer network. Confirm fitment against your engine and build before ordering – our diesel team can verify the right part. Shipped Australia-wide or fitted in-store at our Oxley (Brisbane) and Warana (Sunshine Coast) workshops.
About Double Duty Diesel
Double Duty Diesel build heavy-duty engine internals and driveline components for Cummins, Duramax and Powerstroke platforms, engineered for towing, performance and competition duty cycles.
Fitment
Confirm your exact vehicle, engine and build date against the part number (CFNV4500/NV4600) before ordering, or contact our team and we will check it for you.
Delivery
Live freight is calculated at checkout on your postcode, or contact us for a freight quote to your address before you order.
Fitting available at Willys Workshop, Oxley (Brisbane) and Warana (Sunshine Coast). Not sure it is the right part for your setup? Get in touch for a quote and fitment check.
Shipped Australia-Wide
- Dispatched from within Australia with tracking.
- Same-day dispatch on in-stock orders placed before 11am AEST, Monday–Friday.
- Shipping is calculated at checkout based on size, weight and your delivery address.
- Estimated delivery 2–7 business days depending on your location.
Freight question? Call us on (07) 5619 7869.
This clutch fork actuates the release bearing inside the NV4500 and NV5600 transmissions.
Double Duty Diesel — Manufacturer Pass-Through Warranty
Double Duty Diesel parts carry the original manufacturer's warranty:
- Fluidampr — Lifetime warranty on harmonic balancers
- MAHLE / Clevite — 12 months on bearings, gaskets, sealing components
- Dynomite Diesel — 12 months on stock-spec injectors and pumps; performance/race spec varies
- Power Driven Diesel — 12 months on turbos and bundled tuning kits
- Returns must be notified within 30 days of delivery
- Parts only — installation not covered
Workshop fitment available at Willys for transmissions, injectors and engine internals.
Read the full Double Duty Diesel warranty terms →
Warranty claims are coordinated through Willys Workshop. Email sales@willysworkshop.com.au or call Warana (07) 5619 7869 / Oxley (07) 3377 3421 with your order number and a description of the issue.
