One-stop purchase services

Professional supplier of excavator parts

Peppa 4309832 & 4372039 Relief Valve for Excavators

High-quality 4309832 and 4372039 relief valves from Peppa Machinery — reliable hydraulic protection for excavators. OEM-fit, durable materials, easy installation, and global support from Guangzhou-based experts.
INQUIRY
Product Description

Product Overview

The Peppa 4309832 and 4372039 Relief Valve are precision hydraulic safety valves designed for excavators and other heavy equipment. Built to protect hydraulic systems from overpressure, these valves deliver consistent performance and long service life. They are ideal as replacement parts for maintenance, repairs, and fleet uptime optimization.

Key Features

Reliable Protection

Both part numbers provide accurate pressure relief to prevent damage to pumps, actuators, and hoses. They open at specified set points to safely divert excess pressure.

Durable Construction

Manufactured from high-grade materials and tested for wear resistance, these valves withstand harsh working environments, including heavy loads, dirt, and vibration.

OEM Fit and Performance

4309832 and 4372039 are engineered to match OEM specifications for form, fit, and function, ensuring easy replacement without system modifications.

Compatibility & Applications

Suitable for a wide range of excavator models and hydraulic systems. These relief valves are commonly used in boom, arm, swing, and travel circuits. If you need help confirming compatibility, Peppa Machinery provides part cross-reference and fitment support.

Installation & Maintenance

Simple Installation

Designed for straightforward replacement: follow the machine manufacturer’s procedures, clean surrounding areas, and use proper torque settings. Use new seals when replacing to ensure leak-free performance.

Maintenance Tips

Regularly inspect for contamination, leaks, or unusual noises. Keep hydraulic fluid clean and change filters on schedule to extend valve life.

Why Choose Peppa Machinery

Guangzhou Peppa Machinery Equipment Co., Ltd. is a one-stop wholesaler of excavator parts with over 15 years of industry experience. Located in Guangzhou Wholesale Center, we supply global customers with genuine and OEM components across engine, electrical, hydraulic, and sealing systems. Our team offers tailored advice, quality assurance, and after-sales support to keep your fleet running.

Ordering & Support

Contact Peppa Machinery for availability, bulk pricing, and customization. We provide fast shipping, part verification, and technical guidance to ensure you get the right relief valve for your machine. Trust Peppa for dependable parts and responsive service.

Picture Show

  • Relief Valve (1)
  • Relief Valve (3)
  • Relief Valve (2)

Certifications

  • Certificate-of-Registration

    Certificate of Registration 模板

Q&A

Are your parts genuine or OEM?

We offer both genuine parts and high-quality OEM alternatives. You can choose according to your budget and application needs. All OEM products are tested to meet or exceed original specifications.

Can I get help choosing the right parts for my machine?

Yes. Our experienced sales team is here to provide professional recommendations and solutions based on your excavator model, part number, or specific requirements.

What types of parts do you mainly offer?

Our main product categories include:

• Engine parts (liner kits, crankshafts, water/oil pumps, etc.)

• Electrical parts (sensors, monitors, throttle motors, wiring harnesses)

• Hydraulic parts (pumps, valves, cylinders)

• Sealing kits (NOK, SKF, PQ brands, floating seals, O-rings)

Do you provide technical support or installation guidance?

While we do not offer on-site installation, we can provide basic technical advice, diagrams, or documentation to assist your technicians with installation and troubleshooting.

If you have any other questions, please write email to us or call us , we will reply you as soon as possible.

Get in Touch
Please enter your name not exceed 100 characters
The email format is not correct or exceed 100 characters, Please reenter!
Please enter a valid phone number!
Please enter a valid phone number!
Please enter your field_775 not exceed 150 characters
Please enter your field_1189 not exceed 100 characters
Please enter your content not exceed 3000 characters
Guangzhou Peiqi Machinery Equipment CO,LTD
Shop No. 114, Boying Commercial Building, No. 268 East Zhongshan Avenue, Huangpu District, Guangzhou 510700, China
You may also like

Excavator Solenoid Valve 332/H4123 4306924 3036401 08C1863 12V 24V CAT307 308 JS205 JS130 Construction Machinery Parts

Peppa Machinery Excavator Solenoid Valve 332/H4123 4306924 3036401 08C1863 — 12V/24V replacement for CAT307, CAT308, JS205, JS130. Durable, OEM-fit hydraulic solenoid valve for construction machinery parts.
Excavator Solenoid Valve 332/H4123 4306924 3036401 08C1863 12V 24V CAT307 308 JS205 JS130 Construction Machinery Parts

Isuzu SP 4JB1 4JA1 Cylinder Liner 1876182010 1-87618201-0 1876182020 1-87618202-0 1876182040 1-87618204-0

Peppa Machinery Isuzu SP 4JB1 4JA1 Cylinder Liner: 4JB1Cylinder Liner 1876182010, 1876182020 1-87618202-0, 1876182040 1-87618204-0. OEM-fit, high-durability liners for reliable engine rebuilds. Buy genuine parts now.
Isuzu SP 4JB1 4JA1 Cylinder Liner 1876182010 1-87618201-0 1876182020 1-87618202-0 1876182040 1-87618204-0

Isuzu SP 4LE2 Turbocharger Assy 1876184250 1-87618425-0 8981899362 8-98189936-2

Peppa Machinery Isuzu SP 4LE2 Turbocharger Assy 1876184250 1-87618425-0 (8981899362 8-98189936-2). High-performance, direct-fit turbocharger for Isuzu 4LE2 engines — durable OEM-equivalent replacement. Fast shipping & warranty.
Isuzu SP 4LE2 Turbocharger Assy 1876184250 1-87618425-0 8981899362 8-98189936-2

14681514 14702865 14702112 14720610 Control valve FOR EC350D

Peppa Machinery EC350D Control valve (14681514, 14702865, 14702112, 14720610) — high-quality replacement for EC350D excavators. OEM-fit, durable performance, precision control, fast shipping and warranty.
14681514 14702865 14702112 14720610 Control valve FOR EC350D
Tags
R260-9S R300-9S
R260-9S R300-9S
661203 661204 660404
661203 661204 660404
R300-9SH
R300-9SH
Joystick Handle
Joystick Handle
Contact customer service

Get a free quote

Hi,

If you are interested in our products/custom services or have any questions, please let us know so that we can better assist you.

×
Please enter your name not exceed 100 characters
The email format is not correct or exceed 100 characters, Please reenter!
Please enter a valid phone number!
Please enter a valid phone number!
Please enter your field_775 not exceed 150 characters
Please enter your field_1189 not exceed 100 characters
Please enter your content not exceed 3000 characters

How can we help?

Hi,

If you are interested in our products/customized solutions or have any doubts, please be sure to let us know so that we can help you better.

×
Please enter your name not exceed 100 characters
The email format is not correct or exceed 100 characters, Please reenter!
Please enter a valid phone number!
Please enter a valid phone number!
Please enter your field_775 not exceed 150 characters
Please enter your field_1189 not exceed 100 characters
Please enter your content not exceed 3000 characters

Get a free quote

Hi,

If you are interested in our products/custom services or have any questions, please let us know so that we can better assist you.

×
Please enter your name not exceed 100 characters
The email format is not correct or exceed 100 characters, Please reenter!
Please enter a valid phone number!
Please enter a valid phone number!
Please enter your field_775 not exceed 150 characters
Please enter your field_1189 not exceed 100 characters
Please enter your content not exceed 3000 characters

Get a free product quote

Hi,

If you are interested in our products/custom services or have any questions, please let us know so that we can better assist you.

×
Please enter your name not exceed 100 characters
The email format is not correct or exceed 100 characters, Please reenter!
Please enter a valid phone number!
Please enter a valid phone number!
Please enter your field_775 not exceed 150 characters
Please enter your field_1189 not exceed 100 characters
Please enter your content not exceed 3000 characters