This front end we understand to have been used on the M450 and the M380. Balljoints are easily available and cross with several other class 8 front end builds. Spanner to remove and replace the parts are custom cut and also readily available. 

Parts numbers and details to order is listed in parts finder tool of this website. 

Call Greg to purchase a set of spanners today 951-830-5997. Meritor shows specs to cut a custom removal socket. Meritor information is available in factory files. 

Meritor ball Joint

Lower 29542 01 - Ball Joint  https://spareto.co.uk/products/lemforder-ball-joint/29541-01 confirmed 

Upper 29541 01 - Ball Joint  https://spareto.co.uk/products/lemforder-ball-joint/29542-01 confirmed

Expect a import duty tax due   text from DHL a couple days prior to delivery approx $80. Import tax For upper and $120 for lower