21Q9-90030 - OEM Controller - Case Construction
21Q9-90030 - OEM Controller - Case Construction
100%
Case Construction OEM Part No. 21Q9-90030

Controller

Case Construction

$1,565.65 Available
12 verified fitments
Select your machine to check fit
Not sure it’s the right part? Talk to a parts specialist (740) 432-6303Mon–Fri 7:30 AM–5 PM EST
Ships nationwideUPS, USPS & freight
30-day returnsNew, unused parts
OEM guaranteedDirect from manufacturer
Machine Model Years / S/N
Excavator CX37C 2020
Excavator E37C 2020
Excavator CX17C —
Excavator CX37C —
Excavator CX33C —
Excavator CX30C —
Excavator CX26C —
Excavator E26C —
Excavator E17C —
Excavator E30C —

OEM Controller Auxiliary Hydraulic Circuit Joystick Var. 405002 405005 #21Q9 - OEM Electrical Service Part for Heavy Equipment Control Repair When maintenance teams replace failed parts to correct failed relays, weak switching, poor contact, and inconsistent machine operation, this OEM component supports repairs related to sticking controls, worn contacts, and unreliable electrical command signals. Well suited to electrical control repair, machine switch replacement, and Case equipment relay service maintenance and replacement workflows.

More Details

Part Number: 21Q9

Application: Typical repair use: OEM service component used in control-circuit repairs involving no-response switches, failed relays, or weak solenoid engagement.

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

WARNING:For California residents — Cancer and Reproductive Harm. www.P65Warnings.ca.gov

Manufacturer part number
21Q9-90030
Brand
Case Construction
Condition
OEM, new
Category
Case Construction
Weight
0.93 lb

Ships nationwide. In-stock parts ordered before 2:30 PM ET ship the same business day. Your exact shipping cost and delivery estimate are calculated at checkout from your ZIP code and the part’s size and weight; oversized and truck-freight items may need extra transit time and freight charges.

Free branch pickup is also available across Ohio, Indiana, Michigan, and Kentucky — just choose it at checkout.

30-day returns. New, unused parts in original packaging may be returned within 30 days. Some items — including electrical, special-order, and direct-from-supplier parts — are non-returnable. See our full return policy.

$1,565.65

This part appears in these diagrams

You may also like