9G-7641 Ignition Switch is an aftermarket replacement ignition switch for CAT excavators, including E320C, D250E, D300E and other listed models. The ignition switch (key switch or main switch) passes power from the battery to the starter and run circuits. It is supplied by LIONKITS as aftermarket new with a 3-month warranty.
9G-7641 Ignition Switch Specifications
- Product Type: Ignition Switch
- Part Number: 9G-7641, 9G7641
- Compatible Brand: CAT
- Machine Type: Excavator
- Condition: Aftermarket new
- Warranty: 3 months
- Brand: LIONKITS
- Country of Origin: China
CAT Models Compatible with the 9G-7641 Ignition Switch
- Cat E320C
- D300E
- D250E
- D400E
Your model is not listed? Contact LIONKITS via live chat or email with your machine model and nameplate photo, and we will confirm compatibility.
What Does an Ignition Switch Do?
The ignition switch (key switch or main switch) passes power from the battery to the starter and run circuits. Turning the key to ON powers the instrument panel and control circuits, and turning it to START sends the start signal. Worn contacts or a damaged connector can interrupt that power, so the machine may crank intermittently or not at all.
Signs the Part Needs Replacing
- No crank or intermittent no-crank: the key is turned but the starter does not respond, or responds only sometimes, even though the battery is healthy.
- Starts, then stalls: the run circuit drops out when the key returns from START to ON.
- Dash lights, gauges or work lights flicker or die: electrical power cuts in and out as the key moves.
- Power returns when the key is nudged: a strong sign of worn internal contacts.
- Key hard to turn, stuck or will not return to OFF: a worn lock cylinder or damaged switch body.
These symptoms overlap with a faulty engine control motor, wiring problems or a worn injection pump linkage, so check the whole throttle system before replacing the part.
How to Order and Install the 9G-7641 Ignition Switch
- Confirm your machine model, engine model and the part number on your existing part before ordering.
- Compare the number of pins, the connector shape and the key type with your old switch before ordering.
- Send a photo of the old part or the nameplate if you are not sure; LIONKITS will confirm fitment for you.
- Check the battery terminals, ground strap, main fuse and starter relay first, and inspect the switch connector for burn marks, loose pins or corrosion.
- Disconnect the battery (ground cable first) before removing the switch, and note or photograph the wire positions and terminal markings so each wire goes back in the same place.
- Fit the new switch, reconnect the wiring and the battery, and test every key position: OFF, ON and START.
Shipping, Payment and Support
- Preparation time: 2-3 days
- Delivery time: 3-7 days
- Shipping methods: DHL, FedEx, UPS, TNT, USPS EMS
- Packing: Standard packing for export
- Payment methods: Credit Card, PayPal
- Order tracking: A tracking number with a tracking link is sent by email once the order ships.
Frequently Asked Questions
What is the 9G-7641 Ignition Switch?
The 9G-7641 Ignition Switch is an aftermarket replacement ignition switch for CAT excavators, supplied as aftermarket new under part numbers 9G-7641, 9G7641.
Which CAT models does the 9G-7641 Ignition Switch fit?
It is listed for E320C, D250E, D300E and other models in the compatibility list above. If you are unsure, send your machine nameplate to LIONKITS for confirmation.
How do I know an ignition switch has failed?
Typical signs are no crank or intermittent no-crank, an engine that starts and then stalls, flickering or dead dash lights and gauges, power that returns when the key is moved and a key that is hard to turn or will not return to OFF.
What are the warranty and delivery terms for the 9G-7641 Ignition Switch?
Warranty: 3 months. Typically, orders are prepared in 2-3 days and delivery takes 3-7 days. Shipping by DHL, FedEx, UPS, TNT, USPS EMS.
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