Here are all the options parts for the Xray XB4 2020 and olders
Reference 06364911
Brand: XRAY
COMPOSITE CENTER GEAR DIFFERENTIAL ADAPTER - 364911
Reference 06364945
Brand: XRAY
ALU DIFF. BEVEL GEAR 35T - 7075 T6 HARD COATED - 364945
Reference 06364970
Brand: XRAY
CENTER DIFF OUTDRIVE ADAPTER - HUDY SPRING STEEL™ (2) - 364970
Reference 06364978
Brand: XRAY
COMPOSITE CENTER DIFF SPUR GEAR 78T / 48 - 364978
Reference 06365010
Brand: XRAY
BALL DIFFERENTIAL LONG OUTPUT SHAFT - HUDY SPRING STEEL™ - 365010
Reference 06365020
Brand: XRAY
BALL DIFFERENTIAL SHORT OUTPUT SHAFT - HUDY SPRING STEEL™ - 365020
Reference 06365035
Brand: XRAY
COMPOSITE BALL DIFFERENTIAL BEVEL GEAR 35T - 365035
Reference 06365060
Brand: XRAY
SCREW FOR EXTERNAL BALL DIFF ADJUSTMENT - HUDY SPRING STEEL™ - 365060
Reference 06365114
Brand: XRAY
COMPOSITE BEVEL DRIVE GEAR 14T - 365114
Reference 06365124
Brand: XRAY
STEEL BEVEL DRIVE GEAR - CNC-MACHINED - 14T - 365124
Reference 06365200
Brand: XRAY
ECS FRONT DRIVE SHAFT 81MM - HUDY SPRING STEEL™ - 365200
Reference 06365221
Brand: XRAY
FRONT ECS DRIVE SHAFT 81MM - HUDY SPRING STEEL™ - 365221