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Double Duty Diesel — US diesel performance for Cummins, Duramax and Power Stroke trucks: Fluidampr, MAHLE, Dynomite Diesel, PDI and Power Driven Diesel, supplied and built locally. Commonly stocked for 5.9L, 6.7L, 6BT and 4BT engines. Supplied and fitted at our Oxley (Brisbane) and Warana (Sunshine Coast) workshops, or shipped Australia-wide.
US diesel performance, sorted in Australia
Double Duty Diesel brings the best of American diesel performance to Australian trucks — built for Cummins (Dodge/Ram), Duramax (Chev/GMC) and Power Stroke (Ford) platforms.
The brands
The range covers the heavy hitters: Fluidampr harmonic balancers, MAHLE pistons and bearings, Dynomite Diesel injectors and pumps, PDI Big Boss turbos and manifolds, and Power Driven Diesel transmissions and lift pumps.
By platform
Parts for the US trucks our customers run.
Double Duty Diesel FAQs
Do you import these US diesel parts to Australia?
Yes — we supply the Double Duty Diesel range locally, with freight and import handled. Some items are custom-built to order; we’ll quote lead time up front.
Which trucks do these suit?
Mainly American diesels — Dodge/Ram Cummins, Chev/GMC Duramax and Ford Power Stroke — plus crossover parts for other builds. Ask us about your specific truck.
Can you build a custom turbo or injector setup?
Absolutely — brands like Dynomite Diesel and PDI offer custom-spec injectors and turbo packages. Tell us your power target and we’ll spec it.
















