1W9070 Diode Fits Caterpillar Models

One New Aftermarket Replacement Diode Assembly for Caterpillar (Cat) Equipment

This bipolar voltage transient suppressor diode controls electrical current flow within equipment systems, allowing current to pass in only one direction to convert alternating current to direct current and protect sensitive components from damaging voltage spikes. Featuring ring terminal connectors, it is used in shutdown solenoid electrical circuits and other heavy-duty equipment electrical systems across a wide range of Caterpillar (Cat) construction equipment, including articulated dump trucks, cold planers, and industrial and generator set engines.

Specifications

• Part Type: Bipolar Voltage Transient Suppressor Diode Assembly
• Connectors: Ring terminal connectors
• Length: 2.5 in. (7.62 cm)
• Weight: 0.1 lbs.

Compatible Models

Caterpillar Articulated Dump Trucks: D250E, D250E Series II, D300E, D300E Series II, D350E, D400E

Caterpillar Cold Planers / Road Reclaimers: PM-465, PM-565, PR-1000, PR-1000C

Caterpillar Industrial Engines: 225, 3176C, 3196, 3204, 3208, 3304, 3304B, 3306, 3306B, 3306C, 3406, 3406B, 3406C, 3406E, 3408, 3408B, 3408C, 3412, 3412C, 3412D, 3412E, 3456, 3508, 3508B, 3508C, 3512, 3512B, 3512C, 3516, 3516B, C-9, C-10, C-12, C-15, C-16, C15, C18

Caterpillar Generator Set Engines: 3208, 3304, 3304B, 3306, 3306B, 3406, 3406B, 3406C, 3408, 3408B, 3412, 3412C, 3508, 3508B, 3512, 3512B, 3516, 3516B, D379B, G3516

Note: Always verify fitment against your specific machine serial number and wiring diagram before installation.

Replaces Part Number(s):

1W9070, 1W-9070

Aftermarket Interchange Numbers

3N8085, 3N-8085

New aftermarket replacement part - not remanufactured, not used.