Caterpillar C9 Industrial 212-9431 FILTER GP-WATER SEP & FUEL Parts
Caterpillar C9 212-9431 FILTER GP-WATER SEP & FUEL: 2 catalog entries transcribed from the supplied original PDF from the C9 Industrial · MBD1-Up (Engine) configuration.
Engine and Catalog Identification
Source configuration: C9 Industrial · MBD1-Up (Engine). Application: Industrial. Reviewed chapter: 212-9431 FILTER GP-WATER SEP & FUEL. Archive index label: 212-9431 FILTER GP-WATER SEP & FUEL. The supplied archive identifies its source as CATERPILLAR C9 INDUSTRIAL PARTS MANUAL.pdf; source page 382. Check the full engine serial number, arrangement number, application and original notes before ordering. This section does not establish interchangeability with other configurations.
Original PDF Assembly Scope and Conditions
Original PDF physical page 382: 212-9431 FILTER GP-WATER SEP & FUEL AN ATTACHMENT.
The parts table retains the separate source assembly for each entry. Drawings retain their own original assembly headings and may show a narrower component scope. Original part numbers, conditions, graphic references, product levels and note flags apply; no interchangeability is implied.
Illustrations | Parts table | Request a quote
212-9431 FILTER GP-WATER SEP & FUEL Illustrations

Original Caterpillar Parts List
The original part number is retained. Common Caterpillar Number is the same recognized number with its hyphen removed, for example 3N-2886 → 3N2886. Letters, digits and leading zeros remain unchanged. This is a spelling variant, not a substitute part or fitment guarantee. Unrecognized formats are marked for verification. Original quantities and notes apply; quantities do not indicate stock. An em dash represents an empty source field. Original manual page references are retained as source references.
| Ref. | Original Part Number | Common Caterpillar Number | Catalog Qty. | Original Description | Original Catalog Notes | Enquiry |
|---|---|---|---|---|---|---|
| 1 | 177-9778 | 1779778 | 1 | BASE AS | Graphic ref.: 1; Product level: 1; Source PDF section: 212-9431 FILTER GP-WATER SEP & FUEL | Request a Quote |
| 2 | 212-9580 | 2129580 | 1 | FILTER GP-WATER SEP & FUEL | Original note flags: Y; Graphic ref.: 1; Product level: 1; See original manual page: 294; Source PDF section: 212-9431 FILTER GP-WATER SEP & FUEL | Request a Quote |
Original PDF Table Notes
Y-SEPARATE ILLUSTRATION
Request a Quote from WinsDiesel
Send the original part number, required quantity, Caterpillar C9 engine serial number, arrangement number, application, component photos and delivery country. Supplied contents, specification, availability and lead time will be confirmed in the quotation.
Send an enquiry or email winsparts@winsparts.com.
Related Caterpillar Catalog Sections
- Caterpillar C9 Industrial 256-1201 TURBOCHARGER GP Parts — Source page 374
- Caterpillar C9 Industrial 253-7324 TURBOCHARGER GP Parts
- Caterpillar C9 Industrial 267-9723 PUMP GP-FUEL INJECTION Parts — Source page 410
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