Overview 

8981387360 (interchange 8981197900, 8973186841) is a Common Rail Pressure Sensor which with 3pin sealed connector, it manufactured by Denso (OEM part number 499000-6131) for Isuzu diesel engines. It is a critical feedback component in the DENSO common rail fuel injection system, responsible for real-time monitoring of fuel pressure inside the rail and transmitting this signal to the Engine Control Module (ECM) for optimal fuel injection quantity and combustion efficiency. The denso common rail pressure sensor fitted primarily to Isuzu 4HK1 and 6HK1 diesel engines. It is widely used across construction machinery, heavy trucks, and commercial vehicles, including Hitachi ZAX200 and ZAX330 excavators Case CX240B CX350B excavator Sumitomo  SH210-5 SH240-5 excavator and John Deere 1210E 310K models. The sensor enables the ECM to maintain precise rail pressure, directly affecting idle stability, power output, and starting performance.

Error Codes and Diagnostic

The ECM monitors the FRP sensor signal circuits and sets faults when the signal or the resulting rail pressure is implausible.

1. P0087 Fuel Rail Pressure Too Low ECM detects rail pressure below the commanded value (e.g., < 175 MPa in some Isuzu applications); can indicate a faulty sensor, fuel leak, or supply pump issue
2. P0088 Fuel Rail Pressure Too High ECM detects rail pressure momentarily exceeding 208 MPa; can result from a biased sensor signal or a stuck pressure control valve
3. P0192 FRP Sensor Signal Circuit Low Short to ground or open in the signal circuit
4. P0193 FRP Sensor Signal Circuit High Short to voltage in the signal circuit
5. P0191 FRP Sensor Performance / Out of Range Sensor signal does not correlate with expected pressure; sensor itself may be faulty or biased

Why Choose Us

Xiamen Sincerity Machinery Co., Ltd. is CASE authorized dealer in China, we specialize in full range of genuine Case Sumitomo and Linkbelt Excavator parts, products main include monitor, controller, pressure sensor, wiring harness, hydraulic pump, hydraulic swing motor, hydraulic travel motor, final drive, gearbox reduction, hydraulic repair kits, engine injector, engine turbocharger, engine gasket kit, engine liner kit, engine water pump, engine oil pump, engine overhaul gasket set, etc. which fit to SUMITOMO excavators, CNH excavators, Link-belt excavators.

Over the years, we have actively participated in China’s premier construction machinery exhibitions. These shows serve as vital platforms where we connect with the global engineering community, showcase our premium excavator parts, and stay ahead of market trends. Our consistent presence at these exhibitions has been instrumental in expanding our footprint across high-growth markets. Today, we proudly serve customers in South America, North America, the Middle East, and Russia—regions where our full range of parts and responsive service have earned growing trust and repeat business Whether you are a new contact exploring collaboration or an existing partner seeking continued support, we welcome the opportunity to meet face-to-face at our next show. Let’s build a stronger future together—one project, one part, one partnership at a time.

Customer Overviews

XCM-PARTS company work at excavator after-sales market over 20 years, customer satisfaction is the foundation of our business. We are dedicated to delivering high-quality products, professional support, and timely service that meet and exceed customer expectations. We actively listen to customer feedback, respond quickly to their needs, and continuously improve our products and processes. By building trust and creating lasting value, we strive to establish long-term partnerships with every customer.

FAQ

Does it genuine parts?

Yes, It is genuine ISUZU sensor.

What brand of Excavator fit to?

It fit to Case Sumitomo and Link-belt excavator.

How can I order it?

I will send invoice with payment information via email.

How do payment?

We accept to T/T, PayPal, Credit Card, Western Union transfer.

What's the delivery time?

Stock products estimated 3-7 days.

Do you have photo for the products?

Yes, we will send you photo before shipping.

Can you offer warranty for your products?

Yes, we offer 1-3 months warranty.

Can i have a sample?

Yes, we offer sample for bulk order.