3.0L 24v - EA837 CAJA CAKA CCBA CMUA This page brings together a single reference for the EA837 3.0L 24-valve block of the Volkswagen group, identified here by the AUDI engine codes CAJA, CAKA, CCBA and CMUA. Forged WOSSNER pistons (ref. K9547DA), 85mm bore and 10.3:1 compression ratio, reinforce the mechanical base of this block under the stress of an engine build. This page is single-product: it is the only reference available for this engine in our catalogue. No connecting rod is offered here, unlike the EA839 and CTMA pages of the same group. A targeted reference for Volkswagen group models fitted with the EA837 block.