Description
PDI | CUMMINS ISX AND X15 MANIFOLD INSTALL KIT
Please contact us for product pricing.
The 7443K Installation Kit is a complete set of gaskets and seals needed to install our Big Boss Exhaust Manifold on Cummins ISX and X15 Engines.
Included with the kit:
- Turbo Flange Gaskets
- Exhaust Gaskets for Manifold to Head
- New EGR Bellow
- Bellow Clamps
- EGR Steel Gaskets
- Turbo Connection Banjo Washers
- Turbo Connection O-ring Seals
For Use with Big Boss Exhaust Manifold PN 7443
Available for: 2010-2022 Cummins ISX and X15 Engines
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.
PDI | CUMMINS ISX AND X15 MANIFOLD INSTALL KIT Please contact us for product pricing. The 7443K Installation Kit is a complete set of gaskets and seals needed to install our Big Boss Exhaust Manifold on Cummins ISX and X15 Engines.
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.
