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![WCS Leaf Spring for Mazda BT50 4WD UN (2006-2011) [300kg] [Rear]](https://willysworkshop.com.au/wp-content/uploads/2026/07/WCS_Leaf_Spring_for_Lift_Kits_bb5caf3c-5f86-4c6e-9517-83db92026218-400x400.jpg)
![WCS Leaf Spring for Mazda BT50 UN (2006-2011) [500kg] [Rear]](https://willysworkshop.com.au/wp-content/uploads/2026/07/WCS_Leaf_Spring_for_Lift_Kits_d28ecd48-e09e-4e00-b8f5-6273d35b0deb-400x400.jpg)
Parts & fitment for your UN (2006-2011)
Genuine injectors and pumps, plus quality-aftermarket upgrades, for the UN (2006-2011). In stock at Willys Workshop: common rail injectors, leaf springs, secondary filter kits, catch cans, and emissions. Fast Australian shipping with fitment support from our Brisbane (Oxley) and Sunshine Coast (Warana) workshops.
Shop by part type: Common rail injectors · Leaf Springs · Secondary filter kits · Catch Cans · Emissions
Not sure what fits your UN (2006-2011)? Send us your rego or build and we'll confirm fitment before you buy.
