X00011779 Gasket. Listed in MTU 4000 catalog references; confirm installation and current availability before ordering.
Check X00011779 availability: Start with X00011779 and the quantity. Add an engine serial number or a photo of the old Gasket if available; we will follow up on any missing details.
X00011779 Specification
About X00011779 - Gasket
Published catalog details are identification references. They do not establish current stock, supplied condition, or confirmed fitment for your engine.
X00011779 is a gasket catalogued for MTU 4000 engines. It is the later number for 5260980280, so lists quoting that number are normally supplied as X00011779. The catalog unit weight is 0.033 kg, which we use to estimate freight before quoting.
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- Superseded gasket numbers often reflect a material or thickness change, so mixed old and new gaskets on one joint should be avoided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
MTU 4000
Engine-series references do not confirm every installation. Final fitment of X00011779 depends on the full engine serial number and assembly position.
Cross-Reference and Superseded Part Numbers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 |
|---|---|
| 5260980280 | Listed earlier number |
Common Applications
- Overhaul kits
- Marine service
- Industrial maintenance
- Generator repair
Information to Send for Quotation
- Part number: X00011779
- Engine model, rating, and serial number
- Nameplate photo and old part photo when available
- Quantity, destination country, and required delivery date
The quotation confirms the offered part number, supply condition, price, lead time, and shipping options.
X00011779 FAQ
Is 5260980280 replaced by X00011779?
Catalog history lists X00011779 as the later number for 5260980280. Orders quoting that number are normally supplied as X00011779; we confirm the change against the engine serial number, because a later number can come with related changes to mating parts.
Verification Notes
- For X00011779, confirm engine model, serial number, required quantity, and destination before ordering.
- If X00011779 markings or replacement status are unclear, send old-part photos or nameplate details.
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Other Service Parts in This Engine Series
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