Brand:

Part Number:

121-7057

Details

6LS-320B FM LL Excavator
9JS-320B FM LL Excavator
6LS-320B LL Excavator
9JS-320B LL Excavator
2LS-311B Excavator
3FS-312B L Excavator
8JR-312B L Excavator
2NS-312B Excavator
9GR-312B Excavator
3AW-315B L Excavator
1SW-315B Excavator
6CR-320B L Excavator
4NR-320B N Excavator
4NR-320B Excavator
5BR-320B Excavator
1AS-322B L Excavator
8NR-322B L Excavator
8MR-322B Excavator
1GS-325B L Excavator
8RR-325B L Excavator
8PR-325B Excavator
1JS-330B L Excavator
8TR-330B L Excavator
8SR-330B Excavator
AKX-345B II Excavator
8GR-311B Excavator
2KW-312B L Excavator
9FS-312B L Excavator
6SW-312B Excavator
9NW-312B Excavator
BAS-313B Excavator
7RZ-315B FM L Excavator
5SW-315B L Excavator
7RZ-315B L Excavator
6DZ-317B LN Excavator
9WW-317B L Excavator
7KZ-318B N Excavator
AEJ-318B N Excavator
3LR-318B Excavator
ADC-318B Excavator
BBG-320B LU Excavator
1ES-320B L Excavator
5GW-320B L Excavator
6LW-320B L Excavator
7JR-320B L Excavator
9WS-320B L Excavator
2AS-320B N Excavator
5MS-

Condition: : GENUINE

Additional Information

Caterpillar 121-7057 Knob – OEM-Grade Replacement for Excavators

The Caterpillar 121-7057 Knob is a precision-engineered replacement part designed for a wide range of Caterpillar excavator models, including the 6LS-320B FM LL, 9JS-320B FM LL, 2LS-311B, 3FS-312B L, 8JR-312B L, 1GS-325B L, and many more. Manufactured to meet stringent OEM specifications, this knob features robust metallurgy and exact dimensional tolerances to ensure seamless integration with your excavator’s control systems. Its durable construction withstands harsh load conditions and frequent operational use, providing reliable performance and extended service life in demanding environments.

Crafted from high-strength materials, the 121-7057 knob offers exceptional resistance to wear, corrosion, and mechanical stress, making it ideal for heavy-duty applications in construction and earthmoving. Its ergonomic design enhances operator control and precision, contributing to improved drivetrain responsiveness and overall machine efficiency. This part is critical for maintaining optimal functionality of your excavator’s control interface, ensuring consistent performance and minimizing downtime. Trust the Caterpillar 121-7057 knob for superior durability, fitment accuracy, and long-term reliability.

🔗 For genuine Caterpillar 121-7057 Knob and detailed specifications, visit the official product page at Caterpillar 121-7057 Knob on AllParts Expert.

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