Here are all the spare parts for the Xray T4 2018 and olders
Reference 06304910
Brand: XRAY
COMPOSITE GEAR DIFF. CASE & COVER - 304910
Reference 06304930
Brand: XRAY
COMPOSITE GEAR DIFF BEVEL & SATELLITE GEARS (2+4) - 304930
Reference 06304970
Brand: XRAY
ALU GEAR DIFF OUTDRIVE ADAPTER - 7075 T6 (2) - 304970
Reference 06304980
Brand: XRAY
COMPOSITE GEAR DIFF CROSS PIN - 304980
Reference 06305092
Brand: XRAY
BALL DIFFERENTIAL SPRING - 305092
Reference 06305188
Brand: XRAY
COMPOSITE SOLID AXLE 38T - SET - 305188
Reference 06305224
Brand: XRAY
ECS (ES) DRIVE SHAFT 52MM FOR 2MM PIN - HUDY SPRING STEEL™ (1) - 3052
Reference 06305231
Brand: XRAY
DRIVE SHAFT COUPLING - HUDY SPRING STEEL - 305231
Reference 06305324
Brand: XRAY
DRIVE SHAFT 52MM - HUDY SPRING STEEL - 305324
Reference 06305341
Brand: XRAY
DRIVE AXLE - LIGHTWEIGHT - HUDY SPRING STEEL™ - 305341
Reference 06305350-K
Brand: XRAY
ALU WHEEL HUB - BLACK (2) - 305350-K
Reference 06305521-K
Brand: XRAY
ALU SOLID LAYSHAFT - BLACK - 305521-K