Caterpillar C15 Industrial 278-5662 BASE GP-VALVE COVER & INJ HARN Parts
Caterpillar C15 278-5662 BASE GP-VALVE COVER & INJ HARN: 30 catalog entries transcribed from the supplied original PDF from the C15 Industrial Engine · JRE1-Up (Engine) configuration.
Engine and Catalog Identification
Source configuration: C15 Industrial Engine · JRE1-Up (Engine). Application: Industrial. Reviewed chapter: 278-5662 BASE GP-VALVE COVER & INJ HARN. Archive index label: 278-5662 BASE GP-VALVE COVER & INJ HARN. The supplied archive identifies its source as CATERPILLAR C15 INDUSTIRAL ENGINE PARTS MANUAL.pdf; source page 94. 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 94: GP-VALVE COVER & INJ HARN 278-5662 BASE S/N: JRE876-5231 ALSO AN ATTACHMENT.
Original PDF physical page 95: GP-VALVE COVER & INJ HARN 278-5662 BASE ALSO 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
278-5662 BASE GP-VALVE COVER & INJ HARN 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 | 123-3202 | 1233202 | 3 | STRAP-CABLE | Graphic ref.: 1; Product level: 1; Source PDF section: 278-5662 BASE GP-VALVE COVER & INJ HARN | Request a Quote |
| 2 | 6V-0128 | 6V0128 | 1 | SEAL-CONNECTOR | Graphic ref.: 1; Product level: 1; Source PDF section: 278-5662 BASE GP-VALVE COVER & INJ HARN | Request a Quote |
| 3 | 7E-6508 | 7E6508 | 6 | CAP AS | Graphic ref.: 1; Product level: 1; Source PDF section: 278-5662 BASE GP-VALVE COVER & INJ HARN | Request a Quote |
| 4 | 9L-8925 | 9L8925 | 14 | BOLT (5/16-18X1.25-IN) | Graphic ref.: 1; Product level: 1; Source PDF section: 278-5662 BASE GP-VALVE COVER & INJ HARN | Request a Quote |
| 5 | 122-1472 | 1221472 | 1 | BOLT (5/16-18X2.36-IN) | Graphic ref.: 1; Product level: 1; Source PDF section: 278-5662 BASE GP-VALVE COVER & INJ HARN | Request a Quote |
| 6 | 177-4152 | 1774152 | 1 | BASE-VALVE MECHANISM COVER | Graphic ref.: 1; Product level: 1; Source PDF section: 278-5662 BASE GP-VALVE COVER & INJ HARN | Request a Quote |
| 7 | 278-5657 | 2785657 | 1 | HARNESS AS-ENGINE (UNIT INJECTOR) | Graphic ref.: 1; Product level: 1; Source PDF section: 278-5662 BASE GP-VALVE COVER & INJ HARN | Request a Quote |
| — | 103-8134 | 1038134 | 1 | KIT-RECEPTACLE (12-PIN) (INCLUDES RECEPTACLE AS & WEDGE) | Graphic ref.: 1; Product level: 2; Source PDF section: 278-5662 BASE GP-VALVE COVER & INJ HARN | Request a Quote |
| 8 | 100-5218 | 1005218 | 3 | CLIP | Graphic ref.: 1; Product level: 1; Source PDF section: 278-5662 BASE GP-VALVE COVER & INJ HARN | Request a Quote |
| 9 | 100-5219 | 1005219 | 3 | CLIP | Graphic ref.: 1; Product level: 1; Source PDF section: 278-5662 BASE GP-VALVE COVER & INJ HARN | Request a Quote |
| 10 | 4F-7957 | 4F7957 | 2 | BOLT (1/4-20X0.875-IN) | Graphic ref.: 1; Product level: 1; Source PDF section: 278-5662 BASE GP-VALVE COVER & INJ HARN | Request a Quote |
| 11 | 5P-0537 | 5P0537 | 8 | WASHER-HARD (7.2X14.5X2-MM THK) | Graphic ref.: 1; Product level: 1; Source PDF section: 278-5662 BASE GP-VALVE COVER & INJ HARN | Request a Quote |
| 12 | 8H-3127 | 8H3127 | 6 | BOLT (1/4-20X0.75-IN) | Graphic ref.: 1; Product level: 1; Source PDF section: 278-5662 BASE GP-VALVE COVER & INJ HARN | Request a Quote |
| 13 | 5P-5678 | 5P5678 | — | SEAL (2.9-M) | Original note flags: D; Graphic ref.: 1; Product level: 1; Source PDF section: 278-5662 BASE GP-VALVE COVER & INJ HARN | Request a Quote |
| 1 | 123-3202 | 1233202 | 3 | STRAP-CABLE | Graphic ref.: 1; Product level: 1; Source PDF section: 278-5662 BASE GP-VALVE COVER & INJ HARN | Request a Quote |
| 2 | 6V-0128 | 6V0128 | 1 | SEAL-CONNECTOR | Graphic ref.: 1; Product level: 1; Source PDF section: 278-5662 BASE GP-VALVE COVER & INJ HARN | Request a Quote |
| 3 | 7E-6508 | 7E6508 | 6 | CAP AS | Graphic ref.: 1; Product level: 1; Source PDF section: 278-5662 BASE GP-VALVE COVER & INJ HARN | Request a Quote |
| 4 | 9L-8925 | 9L8925 | 14 | BOLT (5/16-18X1.25-IN) | Graphic ref.: 1; Product level: 1; Source PDF section: 278-5662 BASE GP-VALVE COVER & INJ HARN | Request a Quote |
| 5 | 122-1472 | 1221472 | 1 | BOLT (5/16-18X2.36-IN) | Graphic ref.: 1; Product level: 1; Source PDF section: 278-5662 BASE GP-VALVE COVER & INJ HARN | Request a Quote |
| 6 | 289-8215 | 2898215 | 1 | BASE-VALVE MECHANISM COVER | Original note flags: C; Graphic ref.: 1; Product level: 1; Source PDF section: 278-5662 BASE GP-VALVE COVER & INJ HARN | Request a Quote |
| 7 | 343-9866 | 3439866 | 1 | HARNESS AS-ENGINE (UNIT INJECTOR) | Graphic ref.: 1; Product level: 1; Source PDF section: 278-5662 BASE GP-VALVE COVER & INJ HARN | Request a Quote |
| — | 103-8134 | 1038134 | 1 | KIT-RECEPTACLE (12-PIN) | Graphic ref.: 1; Product level: 2; Source PDF section: 278-5662 BASE GP-VALVE COVER & INJ HARN | Request a Quote |
| — | 102-8801 | 1028801 | 1 | KIT-RECEPTACLE (12-PIN) (EACH KIT INCLUDES RECEPTACLE AS & WEDGE) | Graphic ref.: 1; Product level: 2; Source PDF section: 278-5662 BASE GP-VALVE COVER & INJ HARN | Request a Quote |
| — | 7E-6513 | 7E6513 | 6 | CONNECTOR AS | Graphic ref.: 1; Product level: 2; Source PDF section: 278-5662 BASE GP-VALVE COVER & INJ HARN | Request a Quote |
| — | 8T-8737 | 8T8737 | 3 | PLUG-SEAL | Graphic ref.: 1; Product level: 2; Source PDF section: 278-5662 BASE GP-VALVE COVER & INJ HARN | Request a Quote |
| — | 180-9339 | 1809339 | 9 | PIN-CONNECTOR (14-GA TO 18-GA) | Graphic ref.: 1; Product level: 2; Source PDF section: 278-5662 BASE GP-VALVE COVER & INJ HARN | Request a Quote |
| 8 | 326-4512 | 3264512 | 6 | MOUNTING-CABLE TIE | Graphic ref.: 1; Product level: 1; Source PDF section: 278-5662 BASE GP-VALVE COVER & INJ HARN | Request a Quote |
| 9 | 272-0390 | 2720390 | 1 | SEAL | Original note flags: C; Graphic ref.: 1; Product level: 1; Source PDF section: 278-5662 BASE GP-VALVE COVER & INJ HARN | Request a Quote |
| 10 | 4F-7957 | 4F7957 | 2 | BOLT (1/4-20X0.875-IN) | Graphic ref.: 1; Product level: 1; Source PDF section: 278-5662 BASE GP-VALVE COVER & INJ HARN | Request a Quote |
| 11 | 5P-0537 | 5P0537 | 2 | WASHER-HARD (7.2X14.5X2-MM THK) | Graphic ref.: 1; Product level: 1; Source PDF section: 278-5662 BASE GP-VALVE COVER & INJ HARN | Request a Quote |
Original PDF Table Notes
D-ORDER BY THE METER
C-CHANGE FROM PREVIOUS TYPE
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Send the original part number, required quantity, Caterpillar C15 engine serial number, arrangement number, application, component photos and delivery country. Supplied contents, specification, availability and lead time will be confirmed in the quotation.
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