| Attribute | Specification |
|---|---|
| COGENG Part Number | CG-SV-121-1491-RD |
| Replaces OEM Number | 121-1491 (Red Dot) |
| Product Name | Caterpillar Compact Solenoid Valve |
| Application Range | 300+ Caterpillar Compact Models including: • 307B, 307C, 308C Series • 311B-311F LRR Series • 312B-312E Series • 313B-313D2 Series • 314C-314E Series • 315B-315F Series • 316-319 Series • 320B-320C Series |
| Identification | Red Dot |
| Valve Type | Compact Solenoid |
| Voltage Rating | 12V DC |
| Maximum Pressure | 280 bar (4,000 PSI) |
| Flow Capacity | 15-45 L/min |
| Seal Material | Nitrile Compound |
| Coil Insulation | Class H (180°C) |
| Connection Type | Compact ISO 4401 |
| Quality Standard | ISO 9001:2015 |
| Warranty | COGENG Limited 24-Month Warranty |
| NO | Number | Name | Qty |
| Grp | 121-1491 | VALVE GP-SOLENOID | |
| 1 | 095-1750 | SEAL-O-RING (ID=10.82mm) | 1 |
| 2 | 6V-8398 | SEAL-O-RING (OD=16.03mm) | 1 |
| 3 | 095-1751 | SEAL-O-RING (ID=14.00mm) | 1 |
| 4 | 095-1586 | SEAL-O-RING (ID=19.80mm) | 1 |
| 5 | 114-0623 | NUT AS | 1 |
Q: What does the "Red Dot" mean on the CAT 121-1491 solenoid?
A: The colored dot on CAT solenoid valves indicates internal calibration or flow characteristics. The Red Dot version of the 121-1491 is the most common variant used across Cat's compact equipment lineup. Always replace a Red Dot valve with another Red Dot valve to ensure proper hydraulic performance.
Q: Will the 121-1491 fit my CAT 262D skid steer loader?
A: Yes, the 121-1491 Red Dot solenoid valve is a direct fit for CAT 262D skid steer loaders and over 300 other Cat compact models. It is commonly located on the pilot control manifold or auxiliary hydraulic valve block. Verify the part number and red dot on your original valve.
Q: What types of Cat compact equipment use the 121-1491 solenoid?
A: This universal solenoid is used across Cat's compact product line including: Skid Steer Loaders (216B-272D series), Compact Track Loaders (247B-299D series), and Mini Hydraulic Excavators (301-310 series). It controls pilot pressure for boom, bucket, and auxiliary hydraulic functions.
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