1110010028 Common Rail Pressure Relief Valve is an aftermarket replacement common rail pressure relief valve for Cummins & Bosch engines. In a common rail diesel engine the pressure valves regulate, limit or relieve fuel pressure so the injectors always work within the correct range. It is supplied by LIONKITS as aftermarket new with a 6-month warranty.
1110010028 Common Rail Pressure Relief Valve Specifications
- Product Type: Common Rail Pressure Relief Valve
- Part Number: 1110010028, 20793590
- Compatible Brand: Cummins & Bosch
- Engine: ISF3.8 QSB 4BT 6BT 6D107
- Condition: Aftermarket new
- Warranty: 6 months
- Brand: LIONKITS
- Country of Origin: China
Cummins & Bosch Models Compatible with the 1110010028 Common Rail Pressure Relief Valve
- PC200-8 PC220-8
- PC210-8
- PC240-8
Your model is not listed? Contact LIONKITS via live chat or email with your machine model and nameplate photo, and we will confirm compatibility.
What Does a Fuel Pressure Valve Do?
In a common rail diesel engine the pressure valves regulate, limit or relieve fuel pressure so the injectors always work within the correct range. A pressure control valve sets how much pressure the rail holds, a pressure limiter or relief valve opens to protect the rail if pressure gets too high, and an overflow valve returns excess fuel.
Signs the Valve Needs Replacing
- Hard starting or long cranking: the rail cannot build or hold the right pressure.
- Rough idle or stalling: unstable rail pressure upsets injection.
- Loss of power or smoke: wrong fuel pressure shows up as weak acceleration or black smoke.
- Rail pressure fault codes: the ECU logs low or uncontrolled rail pressure.
- Fuel leaks: diesel at the valve or its fittings points to a failed seal.
These symptoms overlap with worn pumps, dirty oil and clogged filters, so check the basics and measure pressure before replacing the valve.
How to Order and Install the 1110010028 Common Rail Pressure Relief Valve
- Confirm your machine model, engine model and the part number on your existing valve before ordering.
- Send a photo of the nameplate or the old valve if you are not sure; LIONKITS will confirm fitment for you.
- Depressurize the fuel system as the service manual specifies and keep everything clean; never loosen high-pressure parts on a running engine.
- Replace the O-rings or sealing washers and tighten to the specified torque.
- Replace the fuel filters, start the engine, check for leaks and read the rail pressure with a diagnostic tool.
Shipping, Payment and Support
- Preparation time: 2-3 days
- Delivery time: 3-7 days
- Shipping methods: DHL, FedEx, UPS, TNT, USPS EMS
- Payment methods: PayPal, Stripe, Credit card, Visa
- Order tracking: A tracking number with a tracking link is sent by email once the order ships.
Frequently Asked Questions
What is the 1110010028 Common Rail Pressure Relief Valve?
The 1110010028 Common Rail Pressure Relief Valve is an aftermarket replacement common rail pressure relief valve for Cummins & Bosch engines, supplied as aftermarket new under part numbers 1110010028, 20793590.
How do I know a fuel pressure valve has failed?
Typical signs are hard starting, rough idle or stalling, loss of power, black smoke, rail pressure fault codes and fuel leaks.
What are the warranty and delivery terms for the 1110010028 Common Rail Pressure Relief Valve?
Warranty: 6 months. Typically, orders are prepared in 2-3 days and delivery takes 3-7 days. Shipping by DHL, FedEx, UPS, TNT, USPS EMS.
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