Guangzhou Pinxin Engine Co., Ltd.
| Part Name | Pressure Sensor |
| Part Number | 398-5399 / 3985399 |
| Delivery Time | 3-7 working days for stock, 15-25 days for production |
| Machine Application | Excavator |
| Payment Terms | T/T,Western Union,PayPal |
| Sensor Type | Engine Pressure Sensor |
| Supply Ability | 1000 Pieces per Month |
| Brand | CAT |
| Category | Excavator Engine Parts |
| Fitment Type | Direct Replacement |
| Packaging Details | Neutral / Customized packaging with shock-proof protection, export-grade carton |
| Engine Model | C9.3 / C7.1 / C4.4 |
| Brand Name | CAT |
| Certification | ISO 9001:2015 |
| Place of Origin | China |
| Model Number | C9.3 / C7.1 / C4.4 |
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Product Specification
| Part Name | Pressure Sensor | Part Number | 398-5399 / 3985399 |
| Delivery Time | 3-7 working days for stock, 15-25 days for production | Machine Application | Excavator |
| Payment Terms | T/T,Western Union,PayPal | Sensor Type | Engine Pressure Sensor |
| Supply Ability | 1000 Pieces per Month | Brand | CAT |
| Category | Excavator Engine Parts | Fitment Type | Direct Replacement |
| Packaging Details | Neutral / Customized packaging with shock-proof protection, export-grade carton | Engine Model | C9.3 / C7.1 / C4.4 |
| Brand Name | CAT | Certification | ISO 9001:2015 |
| Place of Origin | China | Model Number | C9.3 / C7.1 / C4.4 |
| High Light | CAT 398-5399 Engine Pressure Sensor ，C9.3 C7.1 C4.4 Excavator Engines ，3985399 Pressure Sensor Direct Replacement | ||
CAT Genuine Parts Specification | For C9.3 / C7.1 / C4.4 Excavator Engine Parts | Part No: 398-5399 / 3985399
This CAT 398-5399 (3985399) pressure sensor is an electronic sensing component designed for CAT C9.3, C7.1 and C4.4 diesel engines used in excavator applications. As a key item within the CAT Genuine Parts range of Excavator Engine Parts, the sensor continuously monitors engine operating pressure and converts it into a precise electrical signal for the engine control module, helping the ECM adjust fuel delivery and protect the power unit from abnormal pressure conditions.
The 398-5399 / 3985399 pressure sensor is built to CAT Genuine Parts specification, with a sealed housing and stable signal output designed for the vibration and temperature environment of CAT C9.3, C7.1 and C4.4 powered excavators. Replacing a worn or failed pressure sensor with this CAT pressure sensor restores accurate pressure monitoring and supports reliable engine protection, making it a practical choice for excavator engine parts maintenance, repair and overhaul programs.
| Part Name | Pressure Sensor |
| Part Number | 398-5399 / 3985399 |
| Brand | CAT |
| Applicable Engine Models | CAT C9.3 / C7.1 / C4.4 |
| Machine Application | Excavator |
| Engine System | Engine Management / Monitoring System |
| Category | Excavator Engine Parts |
| Sensor Type | Engine Pressure Sensor |
| Fitment Type | Direct Replacement |
| Condition | New |
This CAT 398-5399 pressure sensor gives maintenance suppliers and equipment owners a dependable engine monitoring component for C9.3, C7.1 and C4.4 power units. It is listed under the CAT Genuine Parts range together with other Excavator Engine Parts such as regulators, filters, gaskets and cylinder components, allowing buyers to consolidate their CAT engine parts sourcing. The sensor 3985399 (without hyphen) is the same part for cross-reference convenience in catalogs and ordering systems.
Company Details
Business Type:
Distributor/Wholesaler
Year Established:
2019-07-01
Employee Number:
80~100
Ecer Certification：
Verified Supplier
Guangzhou Pinxin Engine Co., Ltd | Premium Diesel Engine Parts Supplier Guangzhou Pinxin Engine Co., Ltd is a leading manufacturer and supplier of high-quality diesel engine components, specializing in cylinder liners, pistons, engine blocks, crankshafts, fuel injectors, and diesel pumps. As an aut... Guangzhou Pinxin Engine Co., Ltd | Premium Diesel Engine Parts Supplier Guangzhou Pinxin Engine Co., Ltd is a leading manufacturer and supplier of high-quality diesel engine components, specializing in cylinder liners, pistons, engine blocks, crankshafts, fuel injectors, and diesel pumps. As an aut...
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