Guangzhou Quanhang Construction Machinery Co., Ltd.
| Oem | Avaliable |
| Operating Voltage | 12-24 V DC |
| Supply Ability | 10000 Piece/Pieces per |
| Stock | Yes |
| Packaging Details | BOX |
| Material | Stainless Steel |
| Payment Terms | L/C, T/T |
| Appliion | Fuel rail |
| Connection Type | M12 Connector |
| Delivery Time | 5-8DAY |
| Delivery | 1~5 Days |
| Port | Guangzhou/Shenzhen/Ningbo/Shanghai |
| Condition | New |
| Applies To | Hydraulic pump |
| Place of Origin | China |
| Model Number | 121-1491 |
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Product Specification
| Oem | Avaliable | Operating Voltage | 12-24 V DC |
| Supply Ability | 10000 Piece/Pieces per | Stock | Yes |
| Packaging Details | BOX | Material | Stainless Steel |
| Payment Terms | L/C, T/T | Appliion | Fuel rail |
| Connection Type | M12 Connector | Delivery Time | 5-8DAY |
| Delivery | 1~5 Days | Port | Guangzhou/Shenzhen/Ningbo/Shanghai |
| Condition | New | Applies To | Hydraulic pump |
| Place of Origin | China | Model Number | 121-1491 |
Product Description
121‑1491 proportional safety lock solenoid valve with red dot, aftermarket replacement part for CAT excavators, part number 121‑1491 / 1211491, 24V DC.
CAT Models
Fit for CAT Excavator: E312B, E312C, E315C, E320B, E320C, E320D, E325C, E330C, E330D and related series machinery.Technical
Parameters
| Item | Specification |
|---|---|
| OEM Part Number | 121‑1491, 1211491 |
| Product Name | Red Dot Proportional Safety Lock Solenoid Valve |
| Rated Voltage | 24V DC |
| Function | Safety Lock, Swing Brake Hydraulic Control |
| Application | CAT Excavator Hydraulic Pilot System |
| Condition | New Aftermarket Replacement |
| Core Material | Precision‑ground Alloy Spool, Pure Copper Coil |
| Quality Test | 100% Hydraulic Pressure Tested |
| Warranty | 6‑12 Months |
| MOQ | 1 PC |
| Packing | Neutral Packing / Customized Packing Available |
Features & Advantages
✅ Red dot identification, correct replacement part for CAT hydraulic system
✅ High‑precision grinding valve core, low internal leakage, sensitive response
✅ Pure copper coil, anti‑overheat, stable work under harsh construction site conditions
✅ 100% hydraulic pressure tested before delivery, reduce return risk
✅ Exact OEM dimension, plug‑and‑play, no need additional machining
✅ Widely used for construction, mining, earth‑moving excavator repair & maintenance
Company Details
Business Type:
Manufacturer
Year Established:
1998
Total Annual:
5000000-10000000
Employee Number:
50~100
Ecer Certification：
Site Member
The company specializes in the development, manufacturing (casting, forging, heat treatment) and sale of spare parts of construction machinery such as Front idler, Sprocket, Track roller (bottom roller), Carrier roller (top roller), Track link, Idler yoke, Cutting edge and end bit, Track shoe, Tight... The company specializes in the development, manufacturing (casting, forging, heat treatment) and sale of spare parts of construction machinery such as Front idler, Sprocket, Track roller (bottom roller), Carrier roller (top roller), Track link, Idler yoke, Cutting edge and end bit, Track shoe, Tight...
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