4373846 Throttle Control Cable is an aftermarket replacement throttle control cable for Hitachi excavators, including EX300-5, EX300LC-5, EX330LC-5 and other listed models. The throttle cable connects the engine speed control to the fuel injection pump (governor) lever. It is supplied by LIONKITS as aftermarket new.
4373846 Throttle Control Cable Specifications
- Product Type: Throttle Control Cable
- Part Number: 4373846
- Compatible Brand: Hitachi
- Machine Type: Excavator
- Length: 99cm
- Condition: Aftermarket new
- Brand: LIONKITS
- Country of Origin: China
Hitachi Models Compatible with the 4373846 Throttle Control Cable
- Hitachi Excavator EX300-5
- EX300-5HHE
- EX300LC-5M
- EX300LCLL-5
- EX345USR(LC)
- EX350H-5
- EX350H-5HHE
- EX350K-5
- EX370-5M
- EX370HD-5
- EX385USR
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 a Throttle Cable Do?
The throttle cable connects the engine speed control to the fuel injection pump (governor) lever. On many excavators an electric engine control motor pulls the cable when the operator turns the throttle dial; on others a hand lever pulls it. Pulling the cable moves the lever, more fuel flows and the engine revs up; releasing it lets the engine return to idle. Cable travel and free play have to be right for the engine to reach both idle and full speed.
Signs the Part Needs Replacing
- Engine will not reach full speed: a stretched or loose cable cannot pull the governor lever far enough.
- No response to the throttle control: a broken or disconnected cable leaves the engine at idle whatever you do.
- Frayed or kinked inner wire: broken strands near the end fittings weaken the cable and it will eventually snap.
- Too much slack or free play: the control moves a long way before the lever starts to move.
- Engine speed too fast or too slow: a cable or linkage out of adjustment shifts the speed range.
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 4373846 Throttle Control Cable
- Confirm your machine model, engine model and the part number on your existing part before ordering.
- Compare the cable length and the end fittings with your old cable; some models list more than one length.
- Send a photo of the old part or the nameplate if you are not sure; LIONKITS will confirm fitment for you.
- Route the cable with gentle bends and secure it so it cannot rub or be pinched, and keep the inner wire free of kinks.
- Check the free play after installation and adjust so the governor lever moves smoothly between its idle stop and its high-speed stop when the throttle control goes from minimum to maximum.
- Where the engine uses an engine control motor, check the motor and linkage as well and follow the engine speed calibration or learning procedure in the service manual if one is specified.
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 4373846 Throttle Control Cable?
The 4373846 Throttle Control Cable is an aftermarket replacement throttle control cable for Hitachi excavators, supplied as aftermarket new under part number 4373846.
Which Hitachi models does the 4373846 Throttle Control Cable fit?
It is listed for EX300-5, EX300LC-5, EX330LC-5 and other models in the compatibility list above. If you are unsure, send your machine nameplate to LIONKITS for confirmation.
How do I know a throttle cable has failed?
Typical signs are an engine that will not reach full speed, no response to the throttle control, a frayed or kinked inner wire and too much free play.
What are the warranty and delivery terms for the 4373846 Throttle Control Cable?
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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