0103 068 Volvo Compatible Injector Pump Overflow Valve
0103 068
Summary
This injector pump overflow valve is engineered for heavy commercial vehicle fuel systems. Featuring an M8x1,5 thread size, it ensures precise pressure regulation for Volvo F10, F12, and FL series engines including TD102 and TD122. This component is essential for maintaining stable engine operation in heavy-duty applications. Equivalent to OE Volvo 1677850.
| EAN Code | 8699031061993 |
|---|
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Compatible OEM Codes
-
VOLVO
- 1677850
Description
What does an injector pump overflow valve do?
The injector pump overflow valve is a critical pressure control component within the fuel injection pump of heavy commercial vehicles. It functions by redirecting excess fuel back to the low-pressure circuit, ensuring the internal pressure balance of the pump remains stable. By regulating the recirculated fuel volume at a set pressure threshold, this component prevents irregular fuel flow and supports consistent engine performance.Compatible Volvo vehicles and engines
This specific overflow valve is compatible with various Volvo models, including the F10, F12, FL10, and FL12 trucks. It is designed to serve several engine configurations such as the TD102, TD103, D10A, TD122, and TD123. Additionally, it provides reliable fitment for Volvo NL10, NL12, B10B, B10M, and B12 engines featuring D10A and D12A specifications.Installation and maintenance guidance
When performing maintenance on the fuel system, technicians should verify that the M8x1.5 thread size matches the existing pump assembly. Proper installation ensures that the internal spring tension maintains the correct opening pressure required for your specific engine series. Regular inspection of this valve can help prevent issues related to irregular fuel delivery or engine running instability.Ensuring correct component selection
Check the compatibility list.OE cross-reference
0103 068 (Injector Pump Overflow Valve) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 1677850.Technical Specifications
| Thread Size | M8x1,5 |
|---|
Other OEMs
VOLVO
- 1677850
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| VOLVO | |||
| VOLVO | B10B | D10A | |
| VOLVO | B10M | D10A | |
| VOLVO | B12 | D12A | |
| VOLVO | F10 | TD102 | |
| VOLVO | F12 | TD122 | |
| VOLVO | FL10 | D10A | |
| VOLVO | FL10 | TD102 | |
| VOLVO | FL10 | TD103 | |
| VOLVO | FL12 | TD122 | |
| VOLVO | FL12 | TD123 | |
| VOLVO | NL10 | D10A | |
| VOLVO | NL12 | D12A |
FAQ
What is the function of an injector pump overflow valve?
It acts as a pressure regulator within the injection pump by redirecting excess fuel back to the low-pressure circuit to maintain internal balance.
Which Volvo engines are compatible with this part?
This component fits several Volvo engines including the TD102, TD103, D10A, TD122, TD123, and D12A series.
What are the technical thread specifications?
This injector pump overflow valve features an M8x1.5 thread size for precise installation in compatible fuel systems.
How can I identify if my overflow valve needs replacement?
Symptoms of a faulty valve include irregular fuel flow or loss of engine performance due to disrupted pressure balance.
What are the OE reference numbers of this part?
0103 068 directly replaces Volvo OE number 1677850.