Skip to product information
SKU:
ZZ3F09855
Same day shipping if ordered by 4PM CST.
12V Shutoff Solenoid for CAT 3204 3304 3304B 3306 3306B 3406B 3406C HT400 3306C
$116.39
In Stock
$116.39
Sale price
$116.39
Regular price
Estimated delivery between
Let us Do the Heavy Lifting for You!
Not sure which part you need? Our team can help you find the right replacement.
Parts Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT
Live Chat: Available 24/7
I needed a replacement starter for my mower and wasn’t completely sure which one would fit. I sent them a message and they got back to me quickly, asked for my model information, and helped confirm the right part before I ordered. Everything was handled professionally and the communication was great. Very happy with the service.
Kevin C. — Verified customer
Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Compatible equipment / model
12V Shutoff Solenoid for CAT 3204 3304 3304B 3306 3306B 3406B 3406C HT400 3306C
This 12V shutoff solenoid is a direct replacement fuel shutdown device designed for Caterpillar industrial engines, cutting fuel flow to stop the engine reliably. It is built to match OEM control specifications for CAT 3204, 3304, 3304B, 3306, 3306B, 3406B, 3406C, and HT400 models, ensuring a dependable shutdown response. The solenoid energizes to move the fuel shutoff lever, providing quick and consistent engine stop action for heavy equipment and generator applications.
Overview
This 12V shutoff solenoid is an electromechanical actuator that interrupts fuel delivery when energized, bringing the engine to a safe stop. It is intended for Caterpillar engines including the 3204, 3304, 3304B, 3306, 3306B, 3406B, 3406C, 3306C, and HT400 series, where it replaces a worn or failed shutdown solenoid. The design mirrors the original mounting and electrical interface for straightforward installation on industrial and off-highway machinery.
Built For Performance
- Operates on 12V DC for standard electrical systems in heavy equipment
- Sealed coil housing protects against dust, moisture, and vibration
- Integral pull-in and hold-in windings provide strong initial stroke and stable retention
- Built-in return spring ensures positive fuel lever release when de-energized
- Interchangeable with OEM solenoids used on CAT 3204, 3304, 3306, 3406, and HT400 engines
Fits These Machines
- for CAT 3204
- for CAT 3304
- for CAT 3304B
- for CAT 3306
- for CAT 3306B
- for CAT 3406B
- for CAT 3406C
- for CAT 3306C
- for CAT HT400
On-The-Job Use
- Used on diesel generator sets for emergency engine shutdown
- Installed on excavators and wheel loaders powered by CAT 3306 or 3406 engines
- Applies to trucks and industrial pumps with CAT 3204 or 3304 power units
- Works in mining and construction equipment requiring reliable fuel cutoff
Specs At A Glance
| Voltage | 12V DC |
| Solenoid Type | Shutoff (fuel shutdown) |
| Compatible Engines | CAT 3204, 3304, 3304B, 3306, 3306B, 3406B, 3406C, 3306C, HT400 |
Good To Know
Q: How does a 12V shutoff solenoid work? A: When 12V is applied, the solenoid pulls an internal plunger that moves the fuel injection pump lever to the stop position, cutting fuel supply and shutting down the engine. When power is removed, a return spring releases the lever for the next start.
Q: What might cause a shutoff solenoid to fail? A: Common issues include a burned-out coil from continuous voltage, internal corrosion from moisture, or a stuck plunger due to debris. Replacing with this solenoid restores the shutdown function without needing to replace the entire fuel pump assembly.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.