46 visiting now: 20 China China flag 11 France France flag 7 USA USA flag 5 UK UK flag 1 Sweden Sweden flag 1 Turkey Turkey flag 1 Ukraine Ukraine flag

Instock Man 9l21 31 O Ring P N51404 10 071 Rmb7 20 - China

price: contact company for price

Founded more than 20 years we has been providing operating guarantee

services to ship operators, power, offshore oil users, including

repairs, parts supply, technical support and so on, up to more than

1, 600 suppers.

In order to improve the service, on one hand we check product quality strictly, choice excellent partner factories, make the DNV quality management system throughout the entire process of marketing to ensure product quality of company in maximum limit, on the other hand we shorten the supply chain, get the best price through centralized procurement and agency mode .

Taking the unexpected situations of operating equipment into account, the company built a large spare parts warehouse of a variety of wearing parts used all year round .

The following section is some inventory parts and quotation provided by authorized factory MAN MAN B & W, please feel free to consult and choose.

type name Spare part number Reference price currency remark

9L21/ 31 Fuel cam 405.60 USD Korea

9L21/ 31 Inlet and exhaust cam 405.60 USD Korea

9L21/ 31 O- ring 51402- 14- 033 14.40 RMB China

9L21/ 31 O- ring 51402- 14- 104 7.20 RMB China

9L21/ 31 O- ring 51404- 10- 010 10.80 RMB China

9L21/ 31 O- ring 51404- 10- 105 7.20 RMB China

9L21/ 31 O- ring 51404- 10- 071 7.20 RMB China

8L21/ 31 INJECTION NOZZLE 21 2496.00 RMB China

8L21/ 31 FUEL INJECTION COMPLETE 21 14136.00 RMB China

Do not notice the adjustment of inventory quantities and prices.

Inquiring time’s inventory quantities and prices is the final one.

Guan Feng Machinery Co. , Ltd


Company Contact:


  • Phone: 13133590775

  • Address: Qinghuangdao, Qinghuangdao, China

  • Email: Email


Published date: April 29, 2014 -

  • Business Description: Guan Feng Machinery Co., Ltd. is a modernized international ship repair company who has DNV ship management system and ISO system certification. We mainly provide integrated services of a variety of large, medium, small ships overhaul, repair, maintenance and spare parts supply.


    In recent years, With MTU engine are widely used in China and the surrounding countries and regions, the demands of Maintenance and parts supply are increasingly strong. Our company introduces European professional maintenance personnel and formed many sided, three dimensional services company jointly with China North Industries Group Corporation, we can provide MTU396/956/1163/2000/s/2000/4000/331 series engine parts supply, maintenance, assembly, and commissioning. The repair level is W1 W6.


    The company is equipped with the most advanced level of nuclear test bench and can provide the test bench when make the w6 level repair for the 8000 and 1163 type engines.


    Company technical personnel have all levels of the repair qualification issued by MTU and have rich experience in repair.


    Because of having professional technology and reasonable price as well as nice service we have a lot of users .We have already build a long term cooperation about guaranteeing the quality of war ship ,public service ship ,boat ,yacht, Locomotive power and providing parts with China and Southeast Asian Nations.

    Welcome all walks of life to visit our company and negotiate to seek common development

    Contacts: manager Li

    Contact number:15303289802

    mobile:13133590775

    mailbox:international@bfmp.net

    2382086772@qq.com

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