12V Water Bypass Kit – Improve Coolant Flow to Cyl #6
$160.00
Double Duty Diesel diesel part. A quality replacement to keep your diesel running at its best. Shipped Australia-wide from Willys Workshop.
Free Shipping
Easy returns within 14 days
12 month warranty
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.
12V Water Bypass Kit – Improve Coolant Flow to Cyl #6 Cummins 6BT 5.9L 12 Valve-Water Transfer/Bypass Kit Improves coolant flow to the rear cylinder 6 reducing the chances of piston scuffing due to higher temperatures caused by choke point/ less flow in the standard cooling system.
Additional information
| Weight | 1.5 kg |
|---|---|
| Dimensions | 25 × 20 × 12 cm |
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.











