Controller
| Machine | Model | Years / S/N |
|---|---|---|
| Excavator | WX210E | — |
| Excavator | WX175E SR | — |
| Excavator | WX160E | — |
| Excavator | WX155E SR | — |
| Excavator | WX140E | — |
OEM Controller #21Q9 - OEM Electrical Service Part for Heavy Equipment Control Repair For returning equipment to working condition, this OEM replacement targets sticking controls, worn contacts, and unreliable electrical command signals and failure symptoms such as intermittent actuation, burnt contacts, sticking controls, and no-response conditions. Frequently purchased for OEM switch replacement, relay service, solenoid replacement, and heavy equipment control repair repairs on construction machinery.
More Details
Part Number: 21Q9
Application: Electrical control replacement part for repairing failed switches, sticking controls, burnt contacts, or intermittent signal activation.
Key Features:
- OEM replacement for failed switches, worn contacts, or sticking control components
- Helps restore reliable actuation, electrical response, and system control
- Direct-fit service part for repair and routine replacement work
Fits Case Models: Compatible with various Case construction equipment models - verify fitment before ordering
Replaces: Refer to manufacturer cross-reference if applicable
- Manufacturer part number
- 21Q9-91080
- Internal SKU
- IC:21Q9-91080
- Brand
- CASE CONSTRUCTION
- Condition
- OEM, new
- Category
- Case Construction
- Weight
- 1.1 lb
Free pickup at any of our 17 branches across Ohio, Indiana, Michigan, and Kentucky. Select your preferred branch at checkout.
30-day no-fault returns. Bought the wrong part? Send it back for a full refund — no restocking fees, no minimums.