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Diesel parts and upgrades for the 4JJ1 (NON DPF) platform: injectors, catch cans, pumps, filters and transmission parts. Covering the 3.0L and 4JJ1. From Direction Plus and Denso. Supplied and fitted at our Oxley (Brisbane) and Warana (Sunshine Coast) workshops, or shipped Australia-wide.
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Select options This product has multiple variants. The options may be chosen on the product page Quick View -

Select options This product has multiple variants. The options may be chosen on the product page Quick View
4JJ1 injector costs and symptoms
Parts & fitment for your Isuzu DMAX / MUX 4JJ1 (NON DPF)
Genuine injectors and pumps, plus quality-aftermarket upgrades, for the Isuzu DMAX / MUX 4JJ1 (NON DPF). In stock at Willys Workshop: gaskets & seals, secondary filter kits, engine internals, timing components, catalytic converters, cams & valvetrain, common rail injector accessories, common rail injectors and more. Fast Australian shipping with fitment support from our Brisbane (Oxley) and Sunshine Coast (Warana) workshops.


























