Parts / Replacement parts in
Doosan 2021-7129EF Assembly:
(Ref. -)
426-00021 Valve Main Control, Control Valve, size: 480X260X90
(Ref. 1)
4-01-506 Inlet ASSEMBLY(A1R), Inlet Assembly
(Ref. 1-2)
1-56-755 O-RING 1BG-55, Ring O
(Ref. 1-5)
4-02-501-175 Main Relief Valve, Valve Main Relief
(Ref. 10)
4-01-51502 Block ASSEMBLY-BOOM Swing, Block Assembly
(Ref. 10-11)
1-51-512 Spring Check, SPRING-L/C
(Ref. 10-12)
2-05-508 POPPET-L/C, Poppet
(Ref. 10-13)
1-53-014 O-RING 1BP-14, Ring O
(Ref. 10-14)
2-09-504 PLUG-L/C, Plug
(Ref. 10-15)
1-55-755 O-RING, Ring O
(Ref. 10-16)
4-01-501 Anti Void Valve
(Ref. 11)
4-01-50803 Block ASSEMBLY-DOZER, Block Assembly
(Ref. 11-11)
1-51-512 Spring Check, SPRING-L/C
(Ref. 11-12)
2-05-508 POPPET-L/C, Poppet
(Ref. 11-13)
1-53-014 O-RING 1BP-14, Ring O
(Ref. 11-14)
2-09-504 PLUG-L/C, Plug
(Ref. 11-15)
1-55-755 O-RING, Ring O
(Ref. 12)
4-01-51001 Block ASSEMBLY-SWING, Block Assembly
(Ref. 12-10)
1-53-014 O-RING 1BP-14, Ring O
(Ref. 12-11)
2-09-504 PLUG-L/C, Plug
(Ref. 12-12)
1-56-755 O-RING 1BG-55, Ring O
(Ref. 12-8)
2-05-508 POPPET-L/C, Poppet
(Ref. 12-9)
1-51-512 Spring Check, SPRING-L/C
(Ref. 13)
4-01-504 Inlet ASSEMBLY(A1), Inlet Assembly
(Ref. 13-2)
1-56-755 O-RING 1BG-55, Ring O
(Ref. 13-5)
4-02-501-165 Main Relief Valve, Valve Main Relief
(Ref. 2)
4-01-50801 Block ASSEMBLY-TRAVEL, Block Assembly
(Ref. 17)
S4010503 Nut
(Ref. 18)
2-20-50201 Bolt Tie
(Ref. 2-13)
1-55-755 O-RING, Ring O
(Ref. 3)
4-01-598 Sub Block Assembly
(Ref. 4)
4-01-51802 Block ASSEMBLY-ARM, Block Assembly
(Ref. 4-10)
1-53-014 O-RING 1BP-14, Ring O
(Ref. 4-11)
2-09-504 PLUG-L/C, Plug
(Ref. 4-12)
1-56-755 O-RING 1BG-55, Ring O
(Ref. 4-13)
4-02-502-215 Valve Over Load Relief, Overload Relief Valve
(Ref. 4-8)
2-05-508 POPPET-L/C, Poppet
(Ref. 4-9)
1-51-512 Spring Check, SPRING-L/C
(Ref. 5)
4-01-50802 Block ASSEMBLY-PTO, Block Assembly
(Ref. 5-13)
1-55-755 O-RING, Ring O
(Ref. 6)
4-01-51501 Block ASSEMBLY-TRAVEL, Block Assembly
(Ref. 6-13)
1-55-755 O-RING, Ring O
(Ref. 7)
4-01-51801 Block ASSEMBLY-BUCKET, Block Assembly
(Ref. 7-10)
1-53-014 O-RING 1BP-14, Ring O
(Ref. 7-11)
2-09-504 PLUG-L/C, Plug
(Ref. 7-12)
1-56-755 O-RING 1BG-55, Ring O
(Ref. 7-13)
4-02-502-215 Valve Over Load Relief, Overload Relief Valve
(Ref. 7-8)
2-05-508 POPPET-L/C, Poppet
(Ref. 7-9)
1-51-512 Spring Check, SPRING-L/C
(Ref. 8)
4-01-51803 Block ASSEMBLY-BOOM, Block Assembly
(Ref. 8-10)
1-53-014 O-RING 1BP-14, Ring O
(Ref. 8-11)
2-09-504 PLUG-L/C, Plug
(Ref. 8-12)
1-56-755 O-RING 1BG-55, Ring O
(Ref. 8-13)
4-02-502-215 Valve Over Load Relief, Overload Relief Valve
(Ref. 8-14)
4-02-502-235 Valve Over Load Relief, Overload Relief Valve
(Ref. 8-8)
2-05-508 POPPET-L/C, Poppet
(Ref. 8-9)
1-51-512 Spring Check, SPRING-L/C
(Ref. 9)
4-01-53901 Inlet ASSEMBLY(P2), Inlet Assembly
(Ref. 9-2)
1-56-755 O-RING 1BG-55, Ring O
(Ref. 9-5)
4-02-501-175 Main Relief Valve, Valve Main Relief
2021-7129EF assembly suitable for
control valve(MINI-MODEL C1100), all specifition comes from
Doosan EPC. The specifition of 2021-7129EF assembly for reference only, actually may be changed depends on your excavator's production Date / sequence number.
Any questions with 2021-7129EF your can contact your engineer or contact our online sales / technical Support to make sure this assembly can be work or if have newest plan for better work.
View all parts in
Doosan Crawler Excavator Control Valve ... 
Doosan EPC Assembly 2021-7129EF Control Valve
