505890921/00 Compression Pressure Recorder. Listed in Special tools catalog references; confirm installation and current availability before ordering.
Check 505890921/00 availability: Start with 505890921/00 and the quantity. Add an engine serial number or a photo of the old Compression Pressure Recorder if available; we will follow up on any missing details.
505890921/00 Specification
About 505890921/00 - Compression Pressure Recorder
Published catalog details are identification references. They do not establish current stock, supplied condition, or confirmed fitment for your engine.
505890921/00 is a compression pressure recorder catalogued for Special tools engines. It is the later number for J-6692-B, 0005896921/00, Y20097344, 0015891021/00 and 1 more earlier references, so lists quoting those numbers are normally supplied as 505890921/00. The catalog unit weight is 2.000 kg, which we use to estimate freight before quoting.
Technical Notes: Tools and supplies
Special tools and assembly supplies — barring devices, setting mandrels, pullers, lifting brackets, gauges, and assembly compounds. These exist because the corresponding service operation cannot be done correctly with an improvised substitute: turning the engine to top dead centre with the barring device, setting injector height with the mandrel, pulling a sleeve without loading the housing, or recording compression with the press recorder. An improvised tool usually damages the very component it is meant to service.
When This Type of Part Is Usually Replaced
- a factory-specified service operation names the tool by its tool number
- an improvised tool has already marked or damaged a component
- the engine is being opened for a service the workshop has not done before
Checks Before Ordering
- Identify by the tool number (usually the F-prefix series), not by what the tool looks like
- Confirm which engine application the tool number covers — one tool family can serve several series
- Check for a superseded tool number before assuming the current one is unavailable
Engine Catalog References
MTU Specialized Tools
Engine-series references do not confirm every installation. Final fitment of 505890921/00 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Cross-Reference and Superseded Part Numbers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 |
|---|---|
| J-6692-B | Listed earlier number |
| 0005896921/00 | Listed earlier number |
| Y20097344 | Listed earlier number |
| 0015891021/00 | Listed earlier number |
| 0015890421/00 | Listed earlier number |
| 5505890921/00 | Reference only; direction unconfirmed |
Common Applications
- Marine service
- Industrial maintenance
- Power generation
- Rail traction
Information to Send for Quotation
- Part number: 505890921/00
- 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.
505890921/00 FAQ
Is J-6692-B replaced by 505890921/00?
Catalog history lists 505890921/00 as the later number for J-6692-B, 0005896921/00, Y20097344, 0015891021/00, 0015890421/00. Orders quoting those numbers are normally supplied as 505890921/00; we confirm the change against the engine serial number, because a later number can come with related changes to mating parts.
Verification Notes
- For 505890921/00, confirm engine model, serial number, required quantity, and destination before ordering.
- If 505890921/00 markings or replacement status are unclear, send old-part photos or nameplate details.
Related MTU Parts
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