Caterpillar 3512 Industrial 101-1266 CYLINDER HEAD AS Parts
Caterpillar 3512 101-1266 CYLINDER HEAD AS: 8 catalog entries transcribed from the supplied original PDF from the 3512 Industrial Engine · 65Z887-UP (Engine) configuration.
Engine and Catalog Identification
Source configuration: 3512 Industrial Engine · 65Z887-UP (Engine). Application: Industrial. Reviewed chapter: 101-1266 CYLINDER HEAD AS. Archive index label: 156-9141 CYLINDER HEAD AS. The supplied archive identifies its source as CATERPILLAR 3512 INDUSTRIAL ENGINE.pdf; source page 121. 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 121: 101-1266 CYLINDER HEAD AS FIELD REPLACEMENT ORDER 107-1822–PAGE: 90, 156-9141–PAGE: 94, 172-0839–PAGE: 97 PART OF 107-1822, 156-9141 CYLINDER HEAD AS 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
101-1266 CYLINDER HEAD AS 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 |
|---|---|---|---|---|---|---|
| 2 | 3B-0645 | 3B0645 | 5 | PLUG-CUP (32.08-MM OD) | Graphic ref.: 1; Product level: 1; Source PDF section: 101-1266 CYLINDER HEAD AS | Request a Quote |
| 3 | 3J-7354 | 3J7354 | 4 | SEAL-O-RING | Graphic ref.: 1; Product level: 1; Source PDF section: 101-1266 CYLINDER HEAD AS | Request a Quote |
| 4 | 130-2607 | 1302607 | 2 | INSERT-VALVE SEAT (STANDARD) (INLET) | Graphic ref.: 1; Product level: 1; Source PDF section: 101-1266 CYLINDER HEAD AS | Request a Quote |
| — | 149-1981 | 1491981 | 1 | INSERT-VALVE SEAT (0.51-MM OS) (INLET) | Original note flags: AB; Product level: 1; Source PDF section: 101-1266 CYLINDER HEAD AS | Request a Quote |
| 5 | 3B-0623 | 3B0623 | 5 | PLUG-CUP | Graphic ref.: 1; Product level: 1; Source PDF section: 101-1266 CYLINDER HEAD AS | Request a Quote |
| 6 | 9S-8002 | 9S8002 | 4 | PLUG (7/16-20-THD) | Graphic ref.: 1; Product level: 1; Source PDF section: 101-1266 CYLINDER HEAD AS | Request a Quote |
| 7 | 131-4340 | 1314340 | 2 | INSERT-VALVE SEAT (STANDARD) (EXHAUST) | Graphic ref.: 1; Product level: 1; Source PDF section: 101-1266 CYLINDER HEAD AS | Request a Quote |
| — | 149-0246 | 1490246 | 1 | INSERT-VALVE SEAT (0.51-MM OS) (EXHAUST) | Original note flags: AB; Product level: 1; Source PDF section: 101-1266 CYLINDER HEAD AS | Request a Quote |
Original PDF Table Notes
A - NOT PART OF THIS GROUP B - USE AS REQUIRED
Request a Quote from WinsDiesel
Send the original part number, required quantity, Caterpillar 3512 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 3512 Industrial 107-1822 CYLINDER HEAD AS Parts
- Caterpillar 3512 Industrial 131-0410 CYLINDER HEAD AS Parts
- Caterpillar 3512 Industrial 350-5219 CYLINDER BLOCK GP Parts — Source page 115
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