Description
D & J Precision Machine | Cummins Billet Timing Cover
D & J Precision Cummins Billet Timing cover is machined in-house from 6061 aluminium.
It is designed to use factory fan with stock dampener and belt without modification.
Our Cummins billet timing cover kits come standard with stainless steel hardware.
PLEASE NOTE THE CRANK SEAL HAS BEEN UPDATED AND DOES NOT BOLT ON. WE DID THIS TO ELIMINATE ONE MORE PLACE TO LEAK.
Fits 2003+ Cummins 24V motors.
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.
D & J Precision Machine | Cummins Billet Timing Cover D & J Precision Cummins Billet Timing cover is machined in-house from 6061 aluminium. It is designed to use factory fan with stock dampener and belt without modification.
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.