X54707700072 Relief Valve for 4-Cylinder HP Pump. Listed in MTU 4000 catalog references; confirm installation and current availability before ordering.
Check X54707700072 availability: Start with X54707700072 and the quantity. Add an engine serial number or a photo of the old Relief Valve for 4-Cylinder HP Pump if available; we will follow up on any missing details.
X54707700072 Specification
About X54707700072 - Relief Valve for 4-Cylinder HP Pump
Published catalog details are identification references. They do not establish current stock, supplied condition, or confirmed fitment for your engine.
X54707700072 is a relief valve for 4-cylinder HP pump catalogued for MTU 4000 engines. It is the later number for X54707700021, so lists quoting that number are normally supplied as X54707700072. The catalog unit weight is 2.160 kg, which we use to estimate freight before quoting.
Technical Notes: Fuel system
The fuel system meters and delivers fuel at the pressure and timing the combustion process needs. Small wear in injectors, pumps, or valves shows up as higher fuel consumption, smoke, uneven cylinder temperatures, or rough running long before a complete failure.
Series 4000 engines use common-rail fuel injection, with high rail pressures and injectors that are sensitive to fuel cleanliness. Fuel filtration and high-pressure line condition deserve particular attention.
When This Type of Part Is Usually Replaced
- exhaust temperatures differ noticeably between cylinders
- black smoke, hard starting, or knocking points to injection problems
- fuel leaks appear at high-pressure lines, unions, or pump seals
Checks Before Ordering
- Check the maintenance documentation on reusing high-pressure lines; deformed sealing cones on refitted lines are a common leak source
- Injectors should be ordered with the correct seals and copper rings for the cylinder head
- Exchange (EX-prefixed) injectors and pumps are a practical option when new units have long lead times
Engine Catalog References
X54707700072 is listed for 11 engine models in the catalog references. The specification table decodes each model code from the fitment list; it does not confirm every installation.
| Model | Cylinders | Arrangement | Application | Group / build |
|---|---|---|---|---|
| 20V 4000 G84F | 20 | V | diesel generator set | subgroup 8, build 4 |
| 20V 4000 G94F | 20 | V | diesel generator set | subgroup 9, build 4 |
| 20V 4000 B24F | 20 | V | — | subgroup 2, build 4 |
| 20V 4000 G34F | 20 | V | diesel generator set | subgroup 3, build 4 |
| 20V 4000 G64S | 20 | V | diesel generator set | subgroup 6, build 4 |
| 20V 4000 G74S | 20 | V | diesel generator set | subgroup 7, build 4 |
| 20V 4000 G94S | 20 | V | diesel generator set | subgroup 9, build 4 |
| 20V 4000 B24S | 20 | V | — | subgroup 2, build 4 |
| 20V 4000 B44S | 20 | V | — | subgroup 4, build 4 |
| 20V 4000 G23 | 20 | V | diesel generator set | subgroup 2, build 3 |
| 20V 4000 G43 | 20 | V | diesel generator set | subgroup 4, build 3 |
How Each Model Code Reads
- 20V 4000 G84F: 20 cylinders in V arrangement, Series 4000, diesel generator set application (G), subgroup 8, build generation 4, rating variant F
- 20V 4000 G94F: 20 cylinders in V arrangement, Series 4000, diesel generator set application (G), subgroup 9, build generation 4, rating variant F
- 20V 4000 B24F: 20 cylinders in V arrangement, Series 4000, application code B, subgroup 2, build generation 4, rating variant F
- 20V 4000 G34F: 20 cylinders in V arrangement, Series 4000, diesel generator set application (G), subgroup 3, build generation 4, rating variant F
- 20V 4000 G64S: 20 cylinders in V arrangement, Series 4000, diesel generator set application (G), subgroup 6, build generation 4, rating variant S
- 20V 4000 G74S: 20 cylinders in V arrangement, Series 4000, diesel generator set application (G), subgroup 7, build generation 4, rating variant S
- 20V 4000 G94S: 20 cylinders in V arrangement, Series 4000, diesel generator set application (G), subgroup 9, build generation 4, rating variant S
- 20V 4000 B24S: 20 cylinders in V arrangement, Series 4000, application code B, subgroup 2, build generation 4, rating variant S
- 20V 4000 B44S: 20 cylinders in V arrangement, Series 4000, application code B, subgroup 4, build generation 4, rating variant S
- 20V 4000 G23: 20 cylinders in V arrangement, Series 4000, diesel generator set application (G), subgroup 2, build generation 3
- 20V 4000 G43: 20 cylinders in V arrangement, Series 4000, diesel generator set application (G), subgroup 4, build generation 3
Full parts list for this model family: MTU 20V 4000 B24F to G94S Parts List
Engine-series references do not confirm every installation. Final fitment of X54707700072 depends on the full engine serial number and assembly position.
Common Replacement Scenarios
This part is commonly replaced when:
- combustion quality, fuel delivery, compression, or exhaust temperature is outside normal range
- installation position and matched mating parts must be checked before replacement
- overhaul buyers need verified valve, nozzle, injector, or pump references before dispatch
Cross-Reference and Superseded Part Numbers
Catalog history distinguishes earlier and later numbers where documented. Reference-only entries do not establish replacement direction or interchangeability. Confirm the offered number against the engine serial number and installation.
| Part number | Catalog relationship |
|---|---|
| X54707700021 | Listed earlier number |
Common Applications
- Marine engines
- Generator sets
- Industrial power units
- Marine diesel engines
- Power generation sets
- Rail traction engines
- Industrial equipment
Information to Send for Quotation
- Exact part number: X54707700072
- Part name or assembly position: Relief Valve for 4-Cylinder HP Pump
- Engine model / series: MTU 4000
- Engine serial number from nameplate
- Old-part photo showing number, connector, port, or size marking
- Required quantity and whether partial shipment is acceptable
- Destination country, delivery deadline, and preferred shipping method
The quotation confirms the offered part number, supply condition, price, lead time, and shipping options.
Ordering Notes
For X54707700072, send the engine model, serial number, quantity, old-part photo, and destination country. We will confirm whether the item is OEM, OEM-alternative, reman, or superseded before quotation.
X54707700072 FAQ
Does X54707700072 fit MTU 4000?
X54707700072 Relief Valve for 4-Cylinder HP Pump is checked against MTU 4000. Final fitment depends on the engine serial number, rating, and installation position.
What information is needed to quote X54707700072?
Send the part number, engine model, engine serial number, old-part photo, quantity, destination country, and required delivery date. This lets us confirm stock route, packing, and shipping options.
Can you check alternatives or superseded numbers for X54707700072?
X54707700072 may relate to X54707700021. Final replacement status is checked against the engine serial number before quote.
When is X54707700072 usually replaced?
combustion quality, fuel delivery, compression, or exhaust temperature is outside normal range; installation position and matched mating parts must be checked before replacement; overhaul buyers need verified valve, nozzle, injector, or pump references before dispatch.
Is X54707700021 replaced by X54707700072?
Catalog history lists X54707700072 as the later number for X54707700021. Orders quoting that number are normally supplied as X54707700072; we confirm the change against the engine serial number, because a later number can come with related changes to mating parts.
Verification Notes
- Verify pump configuration and fuel-system version.
- Include engine model and serial number in the inquiry.
- Priority item: part number, supersession, and export packing details are checked before quote.
- For X54707700072, confirm engine model, serial number, required quantity, and destination before ordering.
- If X54707700072 markings or replacement status are unclear, send old-part photos or nameplate details.
- Also catalogued as: Relief Valve for 4 Cylinder HP Pump.
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