Caterpillar CAT 121-1490 / 1211490 Rotating Solenoid Valve (Blue Dot) for 320B 320C 320D 325B 330C Excavators
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| Product Type | Rotary Solenoid Valve |
| Mark Feature | Blue Dot (Blue Point) |
| Voltage | 24V DC |
| Length | 5.43 inches (approx. 138mm) |
| Width | 2.28 inches (approximately 58mm) |
| Height | 2.13 inches (approx. 54mm) |
| Weight | 1 pound (approx. 0.45 kg) |
| Material | Alloy Steel (High Permeability Core, Corrosion-Resistant Shell) |
| Function | Control pilot pressure for swing priority and swing braking oil circuit |
| Response Characteristic | Rapid Response, Stable Performance |
Manufacturer No.
KWE5K-31/G24YA30
OEM Part No.
121-14901211490
Engine Part No.
304630543066311631263126B3208
Interchange No.
111-99164I56744I-5674YN35V00048F1
Fitment Vehicles
CAT 320BCAT 320CCAT 320DCAT 325BCAT 330CCAT 330DCAT 312CCAT 315BCAT 317CAT 324DCAT 319DCAT 322BCAT 345BCAT 330CLCAT 330DLCAT 311BCAT 312BCAT 312DCAT 315CCAT 315DCAT 325CCAT 558CAT 568
Fuel System - Industrial Encyclopedia
Purchase high-quality Caterpillar 121-1490 rotating solenoid valve assembly, suitable for CAT 320B, 320C, 320D, 325B, 330C excavators. The part number is 121-1490 / 1211490, also known as KWE5K-31/G24YA30, used to control the hydraulic pump and priority return braking oil circuit. Made of alloy steel and corrosion-resistant housing, working voltage 24V DC, stable performance, quick response. Also interchangeable with 111-9916 and other models, it is a key component of the Caterpillar excavator hydraulic system's electrical control part.