31QB-17790 Port Relief Valve For HYUNDAI R520LC9 Excavator Main Control Valve

Brand Name:OEM
Model Number:31QB-17790
Minimum Order Quantity:1 PCS
Delivery Time:3-7 working days
Payment Terms:D/P, T/T, Western Union, MoneyGram, D/A, L/C
Place of Origin:China
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Location: Guangzhou Guangdong China
Address: Huangpu, Guangzhou, China
Supplier`s last login times: within 29 hours
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Product Details

  • 31QB-17790 Port Relief Valve For HYUNDAI R520LC9 Excavator Main Control Valve

  • Spec Sheet
Excavator spare parts namePort relief valve
Equipment ModelR380LC9 R430LC9 R480LC9 R520LC9 R800LC9
Parts CategoryExcavator Main Control Valve Parts
Spare parts ConditionBrand new, OEM quality
MOQ of order(PCS, SET)1 PCS
Parts AvailabilityIn stock
Delivery Lead time1-3 days

  • Application

7-SERIES CRAWLER EXCAVATOR R500LC7
9-SERIES CRAWLER EXCAVATOR R360LC9 R380LC9SH R390LC9 R430LC9 R430LC9SH R480LC9 R480LC9A R480LC9S R520LC9 R520LC9A R520LC9S R700LC9 R800LC-9 R800LC9FS
F-SERIES CRAWLER EXCAVATOR HX480L HX520L Hyundai


  • More port vavles for HYUNDAI equipment
XJBN-01334 PORT RELIEF ASSY
R320LC9, R330LC9A, R330LC9S, R330LC9SH, R360LC7A, R360LC9, R380LC9A, R380LC9DM, R380LC9MH, R430LC9, R430LC9A
XJBN-01332 PORT RELIEF ASSY
HX380L, HX430L, R360LC7A, R360LC9, R380LC9A, R380LC9DM, R380LC9MH, R430LC9, R430LC9A
31QB-17740 PORT RELIEF VALVE
HX480L, HX520L, R360LC9, R380LC9SH, R390LC9, R430LC9, R430LC9SH, R480LC9, R480LC9A, R480LC9S, R500LC7, R520LC9, R520LC9A, R520LC9S, R700LC9, R800LC-9, R800LC9FS
31QB-17750 PORT RELIEF VALVE
HX480L, HX520L, R360LC9, R380LC9SH, R390LC9, R430LC9, R430LC9SH, R480LC9, R480LC9A, R480LC9S, R500LC7, R520LC9, R520LC9A, R520LC9S, R700LC9, R800LC-9, R800LC9FS
31QB-17760 PORT RELIEF VALVE
HX480L, HX520L, R360LC9, R380LC9SH, R390LC9, R430LC9, R430LC9SH, R480LC9, R480LC9A, R480LC9S, R500LC7, R520LC9, R520LC9A, R520LC9S, R700LC9, R800LC-9, R800LC9FS
31QB-17780 PORT RELIEF VALVE
HX480L, HX520L, R360LC9, R380LC9SH, R390LC9, R430LC9, R430LC9SH, R480LC9, R480LC9A, R480LC9S, R500LC7, R520LC9, R520LC9A, R520LC9S, R700LC9, R800LC-9, R800LC9FS
31QB-17740K PORT RELIEF VALVE
HX480L, HX520L, R430LC9, R430LC9SH, R480LC9, R480LC9A, R480LC9S, R500LC7, R520LC9, R520LC9A, R520LC9S
31QB-17750K PORT RELIEF VALVE
HX480L, HX520L, R430LC9, R430LC9SH, R480LC9, R480LC9A, R480LC9S, R500LC7, R520LC9, R520LC9A, R520LC9S
31QB-17760K PORT RELIEF VALVE
HX480L, HX520L, R430LC9, R430LC9SH, R480LC9, R480LC9A, R480LC9S, R500LC7, R520LC9, R520LC9A, R520LC9S
31KB-17780K PORT RELIEF VALVE
HX480L, HX520L
31QB-17780K PORT RELIEF VALVE ASSY
R430LC9, R430LC9SH, R480LC9, R480LC9A, R480LC9S, R500LC7, R520LC9, R520LC9A, R520LC9S
31QB-17780 PORT RELIEF VALVE
HX480L, HX520L, R360LC9, R380LC9SH, R390LC9, R430LC9, R430LC9SH, R480LC9, R480LC9A, R480LC9S, R500LC7, R520LC9, R520LC9A, R520LC9S, R700LC9, R800LC-9, R800LC9FS
31QB-17760 PORT RELIEF VALVE
HX480L, HX520L, R360LC9, R380LC9SH, R390LC9, R430LC9, R430LC9SH, R480LC9, R480LC9A, R480LC9S, R500LC7, R520LC9, R520LC9A, R520LC9S, R700LC9, R800LC-9, R800LC9FS
31QB-17750 PORT RELIEF VALVE
HX480L, HX520L, R360LC9, R380LC9SH, R390LC9, R430LC9, R430LC9SH, R480LC9, R480LC9A, R480LC9S, R500LC7, R520LC9, R520LC9A, R520LC9S, R700LC9, R800LC-9, R800LC9FS
31QB-17740 PORT RELIEF VALVE
HX480L, HX520L, R360LC9, R380LC9SH, R390LC9, R430LC9, R430LC9SH, R480LC9, R480LC9A, R480LC9S, R500LC7, R520LC9, R520LC9A, R520LC9S, R700LC9, R800LC-9, R800LC9FS
32E5-2001 PORT RELIEF VALVE
R320LC3, R360LC3
3537-171-380-30 PORT RELIEF VALVE
R290LC3, R290LC3H
206.300.03.55 PORT PLATE HOUSING
R170W3
3537-396-380-30 PORT RELIEF VALVE
R170W3
XJDD-00931 PORT PLATE
R140W9
3537-170-280K50 PORT RELIEF VALVE
R130W
3537-170-350K30 PORT RELIEF VALVE
R130W
008006-32000 PORT RELIEF VALVE
R130LC, R130LC3, R170W3, R180LC3, R200LC, R200NLC3, R200W2
XJBN-01909 PORT RELIEF VALVE
R380LC9A, R430LC9A
XJBN-01910 PORT RELIEF VALVE
R380LC9A, R430LC9A
187-877-01 PORT PLATE-UPPER
R420, R450LC3, R450LC3A, R500W
18787701 PORT PLATE-UPPER
R420, R450LC3, R450LC3A, R500W
34E7-02400 PORT RELIEF VALVE
R450LC3A
34E7-04710 PORT RELIEF VALVE
R450LC3A
3537-292-230-20 PORT RELIFE VALVE
R55W-3
H-SS-M3-022 PORT-POWER
ROBEX9-S
XCAH-00280 PORT ENDCOVER
SL735
XJBN-01853 PORT RELIEF VALVE
HW210, HX220L, HX220NL, HX235L, HX260L, HX330L
31QB-17740K PORT RELIEF VALVE
HX480L, HX520L, R430LC9, R430LC9SH, R480LC9, R480LC9A, R480LC9S, R500LC7, R520LC9, R520LC9A, R520LC9S
31QB-17750K PORT RELIEF VALVE
HX480L, HX520L, R430LC9, R430LC9SH, R480LC9, R480LC9A, R480LC9S, R500LC7, R520LC9, R520LC9A, R520LC9S

  • Parts Diagram
Pos.Part NoQtyParts nameComments
*.31QB-17000[1]MAIN CONTROL VALVETYPE 2
*.31QB-17100[1]MAIN CONTROL VALVETYPE 3
1231QB-17720[1]SPOOL KIT-BYPASS CUT1
1531QB-17810[1]ARM REGEN CUT ASSYTYPE 2
1531QA-17811[1]ARM REGEN CUT ASSYTYPE 3
1731QB-17740[1]PORT RELIEF VALVE
1731QB-17740K[1]PORT RELIEF VALVE
1831QB-17750[1]PORT RELIEF VALVE
1831QB-17750K[1]PORT RELIEF VALVE
1931QB-17760[4]PORT RELIEF VALVE
1931QB-17760K[4]PORT RELIEF VALVE
2031QB-17780[1]PORT RELIEF VALVE
2031QB-17780K[1]PORT RELIEF VALVE ASSY
2131QB-17790[1]PORT RELIEF VALVE
2231QB-17800[2]RELIEF VALVE-NEGACON
2431QB-17930[2]PLUG ASSY-BY PASS
2531QB-17940[1]PLUG
2631QB-17920[1]PLUG
2731N8-17550[1]PLUG
2831N4-18090[5]PLUG
2931N8-17500[11]PLUG
3031N4-18080[5]PLUG
3131N8-17540[1]PLUG
4131QB-18660[1]POPPET
4331QB-18680[1]POPPET
4631QB-18240[2]SPRING
4931QB-18720[1]SPRING
5031QB-18730[1]SPRING
5131N8-18680[1]PLUG
55S631-022004[4]O-RING
56S631-010004[3]O-RING
57S631-030004[10]O-RING
61S109-201806[10]BOLT-SOCKET
65S109-120206[4]BOLT-SOCKET
66S107-120154[16]BOLT-SOCKET
67S107-100154[12]BOLT-SOCKET
6831QB-18360[2]SPRING SEAT-BC
7031N8-19460[5]CAP-DUST
7331QB-19620[4]COVER 1-1/4
7431QB-19630[4]GASKET 1-1/4
7531QB-19640[3]COVER 1
7631QB-19650[3]GASKET 1

  • Description

Hydraulic pumps are designed precisely to work in a hydraulic system to meet the prime product requirements for machine performance, reliability, durability, operating costs and productivity.


  • Advantage

1. The pump parts are built to fit to the genuine drive gearbox system.

2. The pump parts are supplied strictly according to the genuine parts catalog.

3. All the pump components are manufactured from carefully selected materials with standard quality using standard production process heat treatment processes — including carburizing, nitriding, and induction hardening.

4. Surplus stock and the various varioties of pump parts that cover excavator. HITACHI KOMATSU HYUNDAI Vo-lvo DOOSAN KOBELCO SUMITOMO KATO JCB

  • Warranty

1. Warranty Period: 3 Months' warranty from the date of arrival. Longer period of 6 months' warranty could be offered with higher price level.


2. Warranty type: replacement of the parts that have quality problem.


3. Warranty is not valid for below s

* Cutomer give wrong information about the order

* Force Majeure

* Wrong installation and operation

* Rust because of wrong stock & maintenance


  • Packing & Delivery

* Strong carton or wooden box for gear components. Wooden box for gearbox assembly

* Delivery methods: By Sea, By air to local internation airport, By express like DHL TNT FEDEX


China 31QB-17790 Port Relief Valve For HYUNDAI R520LC9 Excavator Main Control Valve supplier

31QB-17790 Port Relief Valve For HYUNDAI R520LC9 Excavator Main Control Valve

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