Showing 1–12 of 21 results
Browse Willys Workshop’s 4JJ1 range. Stock is being added to this category — contact our team if you’re after something specific. Fitment and technical advice available at any Willys Workshop location.
-

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
Parts & fitment for your Isuzu 4JJ1
Genuine injectors and pumps, plus quality-aftermarket upgrades, for the Isuzu 4JJ1. In stock at Willys Workshop: common rail injectors, intercoolers, engine rebuild kits, gaskets & seals, timing components, cams & valvetrain, transmission cooler kit, and common rail fuel pumps. Fast Australian shipping with fitment support from our Brisbane (Oxley) and Sunshine Coast (Warana) workshops.
Shop by part type: Common rail injectors · Intercoolers · Engine Rebuild Kits · Gaskets & Seals · Timing Components · Cams & Valvetrain · Transmission cooler kit · Common rail fuel pumps
Not sure what fits your Isuzu 4JJ1? Send us your rego or build and we'll confirm fitment before you buy.










