| OEM Part Number | 3E-3748 / 3E3748 |
| Brand | COGENG (Direct OEM Replacement) |
| Valve Type | Fuel Control / Hydraulic Solenoid |
| Engine Applications | CAT 3116, 3126, 3306, 3406 (Fuel System / Governor Control) |
| Loader Applications | CAT 960F, 966F, 970F (Hydraulic Pilot / Transmission) |
| Key Feature | Dual-purpose design for both engine fuel and hydraulic systems |
| NO | Number | Name | Qty |
| Grp | 3E-3748 | VALVE GP-SOLENOID | |
| 1 | 3E-3747 | COIL AS | 1 |
| 2 | 1S-9593 | STRAP-CABLE | 2 |
| 3 | 3E-3361 | PLUG AS-CONNECTOR (2-PIN) | 1 |
| 8T-8730 | SOCKET-CONNECTOR(16-GA TO 18-GA) | 2 | |
| 3E-3362 | WEDGE-PLUG LOCK (2-PIN) | 1 | |
| 4 | 104-5970 | LOCKNUT (1/4-20-THD) | 1 |
| 5 | 4B-4276 | WASHER (7X16X1.6-MM THK) | 1 |
| 6 | 7X-1121 | CARTRIDGE AS | 1 |
| 100-4083 | AVAILABLE REPAIR KIT(S):KIT-SEAL (SOLENOID VALVE)(INCLUDES O-RING SEALS & BACKUP RING) |
1 |
Q: Where is the 3E-3748 solenoid located on a CAT 3116 engine?
A: On 3116 and 3126 engines, the 3E-3748 solenoid is typically part of the fuel injection pump or governor control system. It regulates fuel flow or rack position. Symptoms of failure include hard starting, engine stalling, or erratic idle speed.
Q: What is the function of the 3E-3748 on a CAT 966F loader?
A: On 966F wheel loaders, this solenoid valve is commonly used in the hydraulic pilot control circuit or transmission control system. Failure may cause sluggish implement response or harsh transmission shifting.
Q: Is the 3E-3748 solenoid the same for engine and loader applications?
A: The base solenoid valve is the same part number. However, always verify the electrical connector orientation and mounting configuration against your specific application before installation.Contact COGENG
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