Ecer asks for your consent to use your personal data to:
Personalised advertising and content, advertising and content measurement, audience research and services development
Store and/or access information on a device
Your personal data will be processed and information from your device (cookies, unique identifiers, and other device data) may be stored by, accessed by and shared with 135 TCF vendor(s) and 65 ad partner(s), or used specifically by this site or app.
Some vendors may process your personal data on the basis of legitimate interest, which you can object to by do not consent. Contact our platform customer service, you can also withdraw your consent.
Your message must
be between 20-3,000 characters!
Submit Requirement
Thank You！
Your requirement has been sent. we will contact you quickly!
{"title":"139-4151 421-1808 Hydraulic Pump for D8R Dozer","imgUrl":"https:\/\/img.chinax.com\/nimg\/5f\/c3\/bfe790fc913dd75b0d52d19c2068-200x200-1\/139_4151_421_1808_hydraulic_pump_for_d8r_dozer.jpg","attrs":{"Brand Name":"JIAJUE","Model Number":"D8R","Place of Origin":"CHINA","Minimum Order Quantity":"1"}}
{"title":"708-1W-00741 7081W00741 For WA380-6 Wheel Loader Hydraulic Pump","imgUrl":"https:\/\/img.chinax.com\/nimg\/c5\/b3\/8e750587b9d9c8d529e4bff53754-200x200-1\/708_1w_00741_7081w00741_for_wa380_6_wheel_loader_hydraulic_pump.jpg","attrs":{"Brand Name":"WA380-6","Model Number":"WA380-6 fuel injection pump","Certifiion":"WA380-6 Parts","Place of Origin":"CHINA"}}
{"title":"1W-1695 1W1695 Fuel Transfer Pump For 3304 3306 Diesel Engine","imgUrl":"https:\/\/img.chinax.com\/nimg\/6c\/fc\/060509cd2ccfe053cc9b3b7936fe-200x200-1\/1w_1695_1w1695_fuel_transfer_pump_for_3304_3306_diesel_engine.jpg","attrs":{"Brand Name":"3304 3306","Model Number":"3304 3306 Hydraulic pump motor","Certifiion":"3304 3306 Excavator Parts","Place of Origin":"CHINA"}}
TT, Western Union, Money Gram, Credit Card, Paypal
Product Images
Quality Testing Procedure
Check test bench and instrument operational status to ensure normal function
Verify hydraulic pump pipeline connections for tightness and leak-free operation
Start hydraulic gauge system and preheat equipment
Run hydraulic pump to achieve stable operating temperature
Set operating parameters including pressure, flow, and speed according to test requirements
Conduct final test run with test liquid, recording pressure, flow, speed, and temperature parameters
Monitor pump performance including noise levels, vibration, and temperature stability
Related Products
Frequently Asked Questions
What are the steps involved in installing 139-4151 421-1808 hydraulic pump?
Clean pipelines and oil tank thoroughly
Replace filter element and hydraulic oil
Clean all connection joints
Pre-fill system with oil and bleed air completely
Inspect bearings and seals for proper condition
Perform functional test of hydraulic system after installation
Check pump operation for abnormal noise or vibration
Verify system is leak-free and operating correctly
What should we do if 139-4151 421-1808 hydraulic pump leaks oil while working?
Immediately check oil seals and pipe fittings for damage or wear. Replace any compromised components to prevent further leakage and potential system damage.
Are hydraulic pumps in excavators compatible across different models?
Some hydraulic pumps offer compatibility, but interchangeability requires exact matching of technical parameters. Compatibility typically remains within manufacturer product lines or specific aftermarket equivalents.
Does the hydraulic pump come with after-sales service?
Yes, all hydraulic pumps include a comprehensive 3-month warranty for your peace of mind.
Why choose Guangzhou Jiajue Company?
Our hydraulic pumps undergo rigorous pre-shipment testing to ensure proper functionality after installation, guaranteeing reliable performance and customer satisfaction.
Company Profile
GUANGZHOU JIAJUE MACHINERY EQUIPMENT CO., LTD
Guangzhou Jiajue is a specialized manufacturer, developer, and distributor of excavator parts. With years of expertise and continuous innovation, we supply thousands of excavator components including undercarriage parts, rubber parts, engine components, oil seals, consumable parts, iron parts, and hydraulic breakers across hundreds of applications with comprehensive product range and quality assurance.
We maintain our principle of developing superior quality products and providing exceptional service. We believe that high-quality products build strong brand reputation, and excellent service fosters lasting customer relationships. We sincerely look forward to cooperating with you and building stronger business partnerships.
Industry Exhibition Participation
Packaging & Shipping
Payment Information
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler,Trading Company
Year Established:
2014
Total Annual:
5000000-8000000
Employee Number:
15~35
Ecer Certification：
Verified Supplier
GUANGZHOU JIJAUE CONSTRUCTION MACHINERY PARTS specializes in R&D and production of diesel high pressure common rail fuel systems and related components. At present, our main products include single-cylinder (air-cooled and water-cooled) common-rail system products, heavy-duty diesel common-rail ... GUANGZHOU JIJAUE CONSTRUCTION MACHINERY PARTS specializes in R&D and production of diesel high pressure common rail fuel systems and related components. At present, our main products include single-cylinder (air-cooled and water-cooled) common-rail system products, heavy-duty diesel common-rail ...
