Name: Cummins 4BT / 3.9L Cylinder Head – NEW
Brand: Double Duty Diesel
SKU: WW-DDD-00500
Price: 1750.00 AUD
Availability: InStock

Cummins 4BT / 3.9L Cylinder Head – NEW

$1,750.00

In stock — order before 11am AEST for same-day shipping

Double Duty Diesel diesel part to suit the Cummins 4BT / 3.9L Cylinder Head – NEW. A quality replacement to keep your diesel running at its best. Shipped Australia-wide from Willys Workshop.

Easy returns within 14 days

12 Month Warranty

Tuning & Fitment Available

Free Shipping

Easy returns within 14 days

12 month warranty

Description

Cummins DCEC 4BT Cylinder Head – New

Comes leaded with new valves, valve springs, locks and retainers.

Newly manufactured aftermarket cylinder head.

Reinforced ribs throughout, strengthened walls, thicker spring seats and deck surface.

Gasket surface is freshly machined.

Exceeds OEM specifications for strength and durability.

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.

Cummins DCEC 4BT Cylinder Head – New Comes leaded with new valves, valve springs, locks and retainers. Newly manufactured aftermarket cylinder head. Reinforced ribs throughout, strengthened walls, thicker spring seats and deck surface. Gasket surface is freshly machined.

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.