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Hitachi 4614912 is the throttle motor positioner sensor (position sensor on the engine throttle motor, with lead and connector). It is used on Hitachi EX-5, EX-6 and Zaxis excavators. This aftermarket version has the same mounting and electrical connector as the original, so it plugs in and bolts on where the old one came off.
Sold as one unit. Check the number on your old part, or in the parts manual for your machine, before ordering.
| Part Type | Throttle Positioner Sensor |
| Replaces | Hitachi 4614912 |
| Type | Rotary position sensor with lead and connector |
| Fits | Hitachi EX200-5; Hitachi EX200-6; Hitachi EX300-5; Hitachi ZX70; Hitachi ZX120; Hitachi ZX200; Hitachi ZX210; Hitachi ZX230; Hitachi ZX330 |
| Condition | New, aftermarket |
| Stat. HS-Code | 903289 |
Hitachi machines
Check the part number on your old unit before ordering.
| Hitachi Part No.(SPM Part No.) | Fits |
|---|---|
| 4614912(SPM-HEP-3014) | Hitachi EX200-5, Hitachi EX200-6, Hitachi EX300-5, Hitachi ZX70, Hitachi ZX120, Hitachi ZX200, Hitachi ZX210, Hitachi ZX230, Hitachi ZX330 |
Engine speed will not follow the dial
When the throttle positioner sensor fails, the controller cannot see where the throttle is and the engine hunts, sticks at one speed or will not rev.
Fault codes
A throttle position fault code points to the sensor, its plug or the wiring. Measure the signal with a meter before replacing.
Worn track
The sensor wears with use; a dead spot in the signal gives jumpy engine speed.
Fitting tips
Fit the sensor in the same position as the old one and calibrate the throttle as the machine manual describes.
We check what other aftermarket sellers charge for this same part. Their prices on the date we checked:
| Seller | Price | Checked |
|---|---|---|
| eBay (12 aftermarket sellers) | USD 29.69 to 39.99 | 6 Oct 2026 |
| SINOCMP | USD 40.00 | 6 Oct 2026 |
| Diselmart | USD 47.90 | 6 Oct 2026 |
| WDPart | USD 50.00 | 6 Oct 2026 |
| YEM Parts | USD 68.14 | 6 Oct 2026 |
| MyMROmarts | USD 99.16 | 6 Oct 2026 |
| Spare Part Mart | USD 23.75 | Today |
Our price of USD 23.75 is 20% to 76% less than these sellers.
Found this part cheaper somewhere else? Send us the listing and we will beat it by 5% under our Price Beat Guarantee. Every order is also covered by our 30 day money back guarantee.
No. It is an aftermarket part made to fit in place of Hitachi 4614912. It is not made by or affiliated with Hitachi; the Hitachi part number is used only to show what it replaces.
It fits Hitachi EX200-5; Hitachi EX200-6; Hitachi EX300-5; Hitachi ZX70; Hitachi ZX120; Hitachi ZX200; Hitachi ZX210; Hitachi ZX230; Hitachi ZX330. Machines change parts between serial number ranges, so check the number on your old part or in your parts manual.
It has the same mounting and electrical connector as the original. Check the plug and terminals match your old part, and test it before putting the machine back to work.
Yes, we ship worldwide. Shipping is calculated at checkout, and every order is covered by our 30 day money back guarantee and price beat guarantee.
Prices depend on your ZIP or postcode.
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