P/N PARTS CODE PARTS NAME SUPPLY 1 4693304AA 排气摇臂 √ 2 04777783AA 进气摇臂轴隔圈 √ 3 4777785AA 排气摇臂轴组件(含堵头) √ 4 4693122AA 凸轮轴 √ 6 4777879AB 进气摇臂(右) √ 7 4777778AB 进气摇臂(左) √ 8 04777776AA 进气摇臂轴组件(含堵头) √ 9 4777050AC 气门弹簧锁片 √ 10 4777774AA 气门弹簧座 √ 11 4777773AA 气门弹簧 √ 15 4777772AC 排气门 √ 13 气门导管 14 进气阀座 17 凸轮轴轴承盖定位销 18 凸轮轴轴承盖 5 6501689 凸轮轴轴承盖连接螺栓 12 04663904AA 气门油封 16 PBS0518CH 气缸盖总成 1.03 Valve timing mechanism P/N PARTS CODE PARTS NAME PARTS NAME QTY DESCRIPTION SUPPLY 1 4693304AA 排气摇臂 Intake swing arm 4 √ 2 04777783AA 进气摇臂轴隔圈 Intake swing arm spacer 4 √ 3 4777785AA 排气摇臂轴组件(含堵头) Intake swing arm shaft 1 √ 4 4693122AA 凸轮轴 Camshaft 1 √ 5 6501689 凸轮轴轴承盖连接螺栓 Bolt 10 6 4777879AB 进气摇臂(右) Intake swing arm（R） 4 √ 7 4777778AB 进气摇臂(左) Intake swing arm（L） 4 √ 8 04777776AA 进气摇臂轴组件(含堵头) Intake swing arm shaft 1 √ 9 4777050AC 气门弹簧锁片 Valve Spring lock 32 √ 10 4777774AA 气门弹簧座 Valve Spring Retainer 16 √ 11 4777773AA 气门弹簧 Valve Spring 16 √ 12 04663904AA 气门油封 Valve seal 16 13 气门导管 Valve Guide 16 set on cylinder head 14 进气阀座 Intake valve carrier 8 set on cylinder head 15 4777772AC 排气门 Exhaust Valve 8 √ 16 PBS0518CH 气缸盖总成 Cylinder Head assy 1 17 凸轮轴轴承盖定位销 Pin 5 set on cylinder head 18 凸轮轴轴承盖 Camshaft bearing Cap 5 set on cylinder head