The OVE168(02A) 1418522047 delivery valve is a precision component used in compatible mechanical diesel fuel injection pumps. It is commonly identified by the reference numbers 1 418 522 047 and 1418522047, together with the markings OVE168 and 02A.
The delivery valve controls the hydraulic behavior of fuel leaving the injection pump and helps manage pressure at the end of the injection cycle. Because its hydraulic characteristics must match the injection pump, correct identification is important when selecting a replacement.
This guide covers the identification, specifications, applications, operating function, wear symptoms, compatibility checks, and replacement considerations for the 1418522047 OVE168(02A) delivery valve.
Aftermarket Note: Pioneer Diesel Parts supplies new aftermarket replacement components. The reference numbers in this article are used for product identification and compatibility purposes and do not indicate that the supplied component is a genuine OEM product.
1. What Is the OVE168(02A) 1418522047 Delivery Valve?
The 1418522047 delivery valve is identified in aftermarket diesel parts catalogs as OVE168(02A) and an A-type delivery valve. The main reference numbers are 1 418 522 047 and 1418522047.
The delivery valve is installed in the outlet section of a mechanical diesel fuel injection pump. It works with the pump element, spring, valve holder, high-pressure fuel line, and injector as part of the complete injection system.
Its main functions include:
- Controlling high-pressure fuel discharge from the injection pump
- Managing pressure conditions in the high-pressure fuel line
- Helping reduce reverse fuel flow after the pumping stroke
- Supporting a clean end of injection
- Helping reduce unwanted injector after-dribble
- Contributing to consistent fuel delivery between injection cycles
Although relatively small, the delivery valve has an important hydraulic role. Its design must match the injection pump for the fuel system to operate correctly.
2. What Are the Key Specifications of Delivery Valve 1418522047?
The main identification information for the OVE168(02A) delivery valve is:
| Specification | Details |
|---|---|
| Product Type | Diesel Fuel Injection Pump Delivery Valve |
| Reference Number | 1 418 522 047 |
| Alternate Number | 1418522047 |
| Delivery Valve Designation | OVE168 |
| Marking | OVE168(02A) / 02A |
| Valve Type | A-Type |
| Fuel System | Mechanical Diesel Fuel Injection |
| Application | Compatible Mechanical Injection Pumps |
| Condition | New Replacement Component |
| Product Category | Aftermarket Replacement |
The reference 1 418 522 047 / 1418522047 is commonly associated with the OVE168(02A) designation in aftermarket parts listings. Some catalogs also identify the component as an A-type delivery valve.
When identifying an original component, check several identifiers rather than relying on one number. Useful search terms include:
- 1418522047
- 1 418 522 047
- OVE168
- OVE168(02A)
- 02A
Exact dimensions, spring characteristics, pressure response, and hydraulic specifications should be confirmed against the relevant injection pump specification rather than treated as universal values.
3. Which Injection Pumps Are Compatible With 1418522047 Delivery Valve?
The 1418522047 OVE168 delivery valve appears in aftermarket catalogs for several mechanical diesel fuel injection applications. However, a delivery valve should not be selected solely because an injection pump belongs to a particular general category.
Two visually similar pumps can require different delivery valves because of differences in:
- Pump element design
- Delivery valve geometry
- Spring characteristics
- High-pressure line configuration
- Injector characteristics
- Injection timing
- Pump calibration
The delivery valve must therefore match the hydraulic requirements of the specific injection pump.
The most useful information for compatibility verification includes:
- Original delivery valve number
- Marking on the original valve
- Injection pump model or identification number
- Engine model
- Vehicle or equipment model
- Physical configuration of the original component
This method is more reliable than choosing a replacement based only on an engine brand or a general valve classification.
4. What Engines and Equipment May Use the 1418522047 Delivery Valve?
Available aftermarket references associate 1418522047 / 1 418 522 047 OVE168 with several diesel applications.
KHD F3 L 912W
The KHD F3 L 912W is one of the clearest specific applications associated with this delivery valve in aftermarket parts listings.
Isuzu Diesel Applications
Some aftermarket catalogs also associate 1418522047 OVE168 with compatible Isuzu diesel fuel injection applications. Because different Isuzu engines and equipment use different injection pump configurations, check the pump identification before ordering.
Mitsubishi and Cummins-Related Listings
Some aftermarket supplier listings place the same reference alongside Mitsubishi- and Cummins-related diesel injection applications. These references can be useful when researching a replacement, but they should not be interpreted as confirmation that every Mitsubishi or Cummins engine uses this valve.
Additional Application References
Some aftermarket catalogs also list the reference alongside additional European and Japanese diesel applications. Such listings can help with parts identification, but actual fitment depends on the injection pump and original delivery valve specification.
Important: Engine or vehicle brand alone does not guarantee compatibility. Engine version, injection pump model, production configuration, equipment, and market can all affect the required delivery valve.
5. How Does the Delivery Valve Affect Diesel Injection Performance?
The delivery valve affects the hydraulic behavior of fuel during and immediately after the injection pump’s pumping stroke.
When the pump generates high fuel pressure, the delivery valve allows fuel to move toward the high-pressure line and injector. At the end of the injection event, the valve helps control pressure behavior in the line.
Correct delivery valve operation can contribute to:
- Stable fuel delivery
- Consistent injection cycles
- Controlled pressure reduction
- Proper fuel cutoff
- Reduced injector after-dribble
- More consistent engine operation
The delivery valve does not operate independently. It works as part of a system that includes the pump element, delivery valve, spring, high-pressure line, injector, and injection pump calibration.
A replacement valve therefore needs to have the correct hydraulic characteristics for the specific pump.
6. What Causes an OVE168(02A) Delivery Valve to Wear?
Several conditions can cause a delivery valve to wear or lose proper sealing performance.
Fuel Contamination
Dirt, rust particles, and water in diesel fuel can damage precision surfaces inside the delivery valve assembly.
Normal Operating Wear
The valve repeatedly opens and closes during engine operation. Long-term cycling can gradually affect the valve and seat surfaces.
Poor Fuel System Maintenance
A contaminated fuel tank, poor-quality fuel, or an overdue fuel filter can increase the amount of contamination entering the injection system.
Related Injection Pump Wear
Delivery valve problems can occur together with wear in other pump components. Inspect the plunger and barrel, the delivery valve spring, holder, and injector when an injection system shows abnormal performance.
Incorrect Assembly
Improper cleaning, contamination during repair, incorrect installation, or damage during disassembly can affect the movement and sealing of the valve.
For an injection pump overhaul, replacing the delivery valve alone may not solve the problem if other precision components are also worn.
7. What Symptoms May Indicate a Worn Delivery Valve?
A damaged or worn delivery valve may contribute to several diesel engine symptoms, including:
- Difficult starting
- Rough or unstable idle
- Reduced engine power
- Poor throttle response
- Excessive exhaust smoke
- Increased fuel consumption
- Irregular fuel delivery
- Injector after-dribble
- Inconsistent engine operation
However, these symptoms are not specific to the delivery valve.
Similar problems can be caused by:
- Worn pump plunger and barrel
- Incorrect injection timing
- Injector wear
- Poor injector sealing
- Air entering the fuel system
- Restricted fuel supply
- Contaminated fuel
- Governor problems
- Incorrect injection pump calibration
For this reason, technicians should test the injection pump and inspect related fuel system components before concluding that the delivery valve is the only cause.
8. How Should 1418522047 Be Checked Before Replacement?
Correct identification is essential when purchasing an OVE168(02A) delivery valve.
Check the Original Part Number
Look for:
1418522047 or 1 418 522 047
Check the Valve Marking
The original component may carry markings such as:
OVE168、OVE168(02A)、02A
Identify the Injection Pump
Record the injection pump manufacturer, model, and identification number whenever possible.
Confirm the Engine and Equipment
Provide the complete engine model and, if applicable, the vehicle, tractor, generator, construction machine, or industrial equipment model.
Compare the Original Component
Compare the replacement with the original valve, including its external configuration and relevant dimensions.
Verify the Application
Do not rely solely on an engine brand, valve type, or online product title. The replacement must match the requirements of the specific injection pump.
For repair shops and wholesale buyers, providing clear photos of the original delivery valve, its markings, and the injection pump nameplate can make part identification much more accurate.
9. How Is an OVE168(02A) Delivery Valve Replaced?
Replacement should be performed by a technician experienced with mechanical diesel fuel injection pumps.
A typical replacement procedure includes:
- Clean the injection pump area thoroughly before disassembly.
- Remove the relevant high-pressure connection and components according to the pump service procedure.
- Carefully remove the existing delivery valve.
- Inspect the valve holder, spring, sealing surfaces, and surrounding components.
- Compare the replacement valve with the original component.
- Install the replacement in the correct orientation.
- Replace damaged seals or related components where required.
- Reassemble the pump according to the applicable manufacturer specifications.
- Bleed the fuel system when required.
- Check for fuel leakage.
- Verify engine starting, idle quality, and operating performance.
- Test or calibrate the injection pump when required.
Cleanliness is particularly important because even small contaminants can affect precision fuel injection components.
During an injection pump overhaul, technicians should also inspect the plunger and barrel, delivery valve holder, spring, injector, and high-pressure fuel lines to determine whether other components are contributing to the problem.
10. Related Delivery Valve Models and Guides
For additional diesel injection pump delivery valve references, check the guides below for useful information on part numbers, compatible applications, key specifications, and replacement considerations.
- Pressure Valve Delivery Valve OVE173 1418522055 1522055 7231011 7119307
- Injection Pump Pressure Delivery Valve OVE22 1418522011
- Delivery Valve 1418502015 A0000741115 for Mercedes Benz OM615 OM616 OM621
- Fuel Injection Pump Pressure Valve Delivery Valve 2418552007 OVE159
Read more:
- 146430-0320 VE4 Delivery Valve: Mitsubishi, Isuzu & Forklift Applications Guide
- Delivery Valve 504661 for Simms Minimec Pumps: Applications & Replacement Guide
- Delivery Valve 102203 1418502203 1288418 A0000747584 for KHD Mercedes Benz
- Pressure Valve Delivery Valve 2418559037 2559037 for DAF KAMAZ VOLVO
11. Frequently Asked Questions About 1418522047 OVE168(02A)
What is the part number of the OVE168 delivery valve?
The main reference numbers are 1418522047 and 1 418 522 047. We identify the component as OVE168 or OVE168(02A).
What does OVE168(02A) mean?
OVE168(02A) is a component identification designation associated with the 1418522047 / 1 418 522 047 delivery valve. Aftermarket catalogs also describe the component as an A-type delivery valve.
Which engine specifically relates to 1418522047?
The KHD F3 L 912W is one of the clearest specific engine applications associated with 1418522047 OVE168 in aftermarket parts listings.
Do Isuzu applications use 1418522047?
Some aftermarket catalogs associate 1418522047 OVE168 with compatible Isuzu diesel fuel injection applications. The exact injection pump should still be verified before ordering.
Does the A-Type designation guarantee compatibility?
No. A-Type describes the delivery valve classification, but it does not mean that every A-type injection pump uses the same valve. Pump design and hydraulic specifications must also match.
What are the common symptoms of a faulty delivery valve?
Possible symptoms include difficult starting, rough idle, reduced power, excessive smoke, poor fuel economy, irregular fuel delivery, and injector after-dribble. However, these symptoms can also originate from other injection system components.
How can I confirm whether 1418522047 is the correct replacement?
Compare the original part number, valve marking, injection pump number, engine model, equipment application, and physical configuration. Clear photos of the original component and pump identification plate can also help confirm compatibility.
Conclusion
The OVE168(02A) 1418522047 delivery valve is a precision component for compatible mechanical diesel fuel injection pumps. Its primary identification references are 1418522047 and 1 418 522 047, while OVE168, OVE168(02A), and 02A are useful additional identification markings.
The KHD F3 L 912W is a clearly referenced application, while aftermarket catalogs also associate the component with Isuzu and other diesel injection applications. Because delivery valves have specific hydraulic characteristics, application references should always be checked against the actual injection pump before replacement.
For diesel repair shops, distributors, and wholesale buyers, the safest way to identify the correct 1418522047 OVE168(02A) delivery valve is to provide the original part number, valve marking, injection pump information, engine model, and equipment details.
For wholesale orders or compatibility confirmation, contact Pioneer Diesel Parts with the original part number, injection pump number, and product photos.
Disclaimer
All brand names, trademarks, OEM part numbers, engine models, equipment models, and vehicle names mentioned in this article are used for reference and compatibility identification purposes only. Unless expressly stated otherwise, Pioneer Diesel Parts supplies high-quality aftermarket replacement parts featured on this website. These products are not genuine OEM products, and the respective original equipment manufacturers do not manufacture, affiliate with, endorse, or sponsor them. All trademarks and registered trademarks are the property of their respective owners.