Description
3.9(4BT), 5.9 (6BT) & 6.7 Motor Mounts x2
6BT Motor Mounts – Suit both 5.9 and 6.7L blocks
Designed for Cummins engine, great for your engine conversion with mounting points close to block for slim frame rail clearances.
Even distance either side to position engine centre of frame rails, non solid mount transferring less vibration.
Will only fit if you are running HYDROBOOST brake set up – not enough room for vacuum/ powersteer pump setup between rear of housing and mounts.
Price is for the pair
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.
3.9(4BT), 5.9 (6BT) & 6.7 Motor Mounts x2 6BT Motor Mounts – Suit both 5.9 and 6.7L blocks Designed for Cummins engine, great for your engine conversion with mounting points close to block for slim frame rail clearances.
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.
