X52404200052 Seal Ring. Listed in MTU 4000 catalog references; confirm installation and current availability before ordering.
Check X52404200052 availability: Start with X52404200052 and the quantity. Add an engine serial number or a photo of the old Seal Ring if available; we will follow up on any missing details.
X52404200052 Specification
About X52404200052 - Seal Ring
Published catalog details are identification references. They do not establish current stock, supplied condition, or confirmed fitment for your engine.
X52404200052 is a seal ring catalogued for MTU 4000 engines. The catalog unit weight is 0.163 kg, which we use to estimate freight before quoting.
Completed Parts Orders
Customer-authorized, anonymized orders with completed delivery confirmed by Diesel Part Source. The line items below are taken from the corresponding quotations. Prices and buyer contacts are withheld; quoted options and quantities are not presented as a dispatch manifest.
Mixed Parts List: Kit, Filters and Cylinder-Head Components
Quotation date:
Order status: delivered. Actual delivery date and selected supply option are not published.
A 13-line RFQ retained quantities and offered-version differences per line. The document did not identify a complete engine model or define a universal overhaul kit.
| Part number | Quoted line | RFQ quantity | Source context |
|---|---|---|---|
| XP56900600002 | Spare parts kit | 3 | Quoted unit weight 0.153 kg; HS reference 8481.90.00 |
| X57508300028 | Fuel filter cartridge | 4 | Engine/position not specified in quotation |
| X57518300024 | Oil filter element | 4 | Engine/position not specified in quotation |
| XP52718300060 | Centrifugal oil-filter paper element | 8 | Engine/position not specified in quotation |
| X59408300151 | Fuel filter; earlier reference X57508300091 | 10 | Engine/position not specified in quotation |
| X00042954 | Alternator-drive poly-vee belt 8PK | 6 | Engine/position not specified in quotation |
| X52404200052 | Seal ring | 2 | Engine/position not specified in quotation |
| X52404200043 | Cylinder-head gasket | 2 | Engine/position not specified in quotation |
| 5249900701 | Cylinder-head bolt | 12 | Engine/position not specified in quotation |
| 5240110062 | Thrust washer, original RFQ line 10 | 12 | Engine/position not specified in quotation |
| 5240160069 | Cylinder-head hexagon bolt | 2 | Engine/position not specified in quotation |
| 5240110062 | Thrust washer, original RFQ line 12 | 2 | Engine/position not specified in quotation |
| X52405400013 | Pushrod | 4 | Engine/position not specified in quotation |
Two thrust-washer lines used the same number but different quantities. They remain separate because the quote did not establish that their installation positions were identical. A mixed-list quotation does not prove interchangeability between its bolt numbers.
Technical Notes: Gaskets and seals
Gaskets, O-rings, and sealing rings keep oil, coolant, fuel, charge air, and exhaust gas in their own circuits. On high-speed MTU engines they work against high combustion pressures and frequent thermal cycling, so a seal that looks intact can still have lost its elasticity or set to the shape of the old joint.
When This Type of Part Is Usually Replaced
- a joint has been opened for inspection or repair, even if the old seal looks usable
- oil or coolant weeping appears at a cover, pipe flange, or housing
- a coolant test shows oil contamination or combustion gas in the cooling system
Checks Before Ordering
- Material matters: fuel-system and coolant-system O-rings of the same size can use different elastomers
- Superseded gasket numbers often reflect a material or thickness change, so mixed old and new gaskets on one joint should be avoided
- Order the complete set for a joint rather than single pieces when the cover or head comes off
Engine Catalog References
X52404200052 is listed for 12 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 |
|---|---|---|---|---|
| 8V 4000 R43 | 8 | V | rail | subgroup 4, build 3 |
| 8V 4000 R43L | 8 | V | rail | subgroup 4, build 3 |
| 12V 4000 R43 | 12 | V | rail | subgroup 4, build 3 |
| 12V 4000 R43L | 12 | V | rail | subgroup 4, build 3 |
| 16V 4000 R43R | 16 | V | rail | subgroup 4, build 3 |
| 16V 4000 R43 | 16 | V | rail | subgroup 4, build 3 |
| 16V 4000 R43L | 16 | V | rail | subgroup 4, build 3 |
| 20V 4000 R43 | 20 | V | rail | subgroup 4, build 3 |
| 20V 4000 R43L | 20 | V | rail | subgroup 4, build 3 |
| 20V 4000 R63R | 20 | V | rail | subgroup 6, build 3 |
| 20V 4000 R63 | 20 | V | rail | subgroup 6, build 3 |
| 20V 4000 R63L | 20 | V | rail | subgroup 6, build 3 |
How Each Model Code Reads
- 8V 4000 R43: 8 cylinders in V arrangement, Series 4000, rail application (R), subgroup 4, build generation 3
- 8V 4000 R43L: 8 cylinders in V arrangement, Series 4000, rail application (R), subgroup 4, build generation 3, increased rating (L)
- 12V 4000 R43: 12 cylinders in V arrangement, Series 4000, rail application (R), subgroup 4, build generation 3
- 12V 4000 R43L: 12 cylinders in V arrangement, Series 4000, rail application (R), subgroup 4, build generation 3, increased rating (L)
- 16V 4000 R43R: 16 cylinders in V arrangement, Series 4000, rail application (R), subgroup 4, build generation 3, rating variant R
- 16V 4000 R43: 16 cylinders in V arrangement, Series 4000, rail application (R), subgroup 4, build generation 3
- 16V 4000 R43L: 16 cylinders in V arrangement, Series 4000, rail application (R), subgroup 4, build generation 3, increased rating (L)
- 20V 4000 R43: 20 cylinders in V arrangement, Series 4000, rail application (R), subgroup 4, build generation 3
- 20V 4000 R43L: 20 cylinders in V arrangement, Series 4000, rail application (R), subgroup 4, build generation 3, increased rating (L)
- 20V 4000 R63R: 20 cylinders in V arrangement, Series 4000, rail application (R), subgroup 6, build generation 3, rating variant R
- 20V 4000 R63: 20 cylinders in V arrangement, Series 4000, rail application (R), subgroup 6, build generation 3
- 20V 4000 R63L: 20 cylinders in V arrangement, Series 4000, rail application (R), subgroup 6, build generation 3, increased rating (L)
Full parts list for this model family: MTU 4000 R43 to R63R Parts List
Engine-series references do not confirm every installation. Final fitment of X52404200052 depends on the full engine serial number and assembly position.
Common Replacement Scenarios
This part is commonly replaced when:
- oil, coolant, air, or exhaust leakage is found during inspection
- the engine is opened for overhaul and one-time-use sealing parts must be replaced
- material, section shape, and sealing position need confirmation from the old part or catalog drawing
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 |
|---|---|
| 5240160119 | Reference only; direction unconfirmed |
| 5240160319 | Reference only; direction unconfirmed |
Common Applications
- Overhaul kits
- Marine service
- Industrial maintenance
- Generator repair
Information to Send for Quotation
- Exact part number: X52404200052
- Part name or assembly position: Seal Ring
- 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 X52404200052, 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.
X52404200052 FAQ
Does X52404200052 fit MTU 4000?
X52404200052 Seal Ring is checked against MTU 4000. Final fitment depends on the engine serial number, rating, and installation position.
What information is needed to quote X52404200052?
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 X52404200052?
X52404200052 may relate to 5240160119, 5240160319. Final replacement status is checked against the engine serial number before quote.
When is X52404200052 usually replaced?
oil, coolant, air, or exhaust leakage is found during inspection; the engine is opened for overhaul and one-time-use sealing parts must be replaced; material, section shape, and sealing position need confirmation from the old part or catalog drawing.
Verification Notes
- For X52404200052, confirm engine model, serial number, required quantity, and destination before ordering.
- If X52404200052 markings or replacement status are unclear, send old-part photos or nameplate details.
- Priority item: part number, supersession, and export packing details are checked before quote.
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