Also known as

Starter Motor

Starter Assembly

Starting Motor

Cranking Motor

Engine Starter

What this part does

The starter motor is a powerful electric motor responsible for cranking the engine to initiate the combustion cycle. It mounts to the transmission bell housing and uses an integrated solenoid to push a pinion gear out to engage the engine flywheel. When this component fails, you may experience a single loud click, rapid clicking, or a completely silent response when turning the key. In some cases, the internal clutch may fail, causing the motor to spin rapidly without turning the engine over.

Fits these vehicles

OEM and interchange numbers

012911023J

012-911-023-J

012911023JX

012911023

95560410701

Before you order

Verify your factory part number against the ones listed above, as mounting flanges and pinion depths vary significantly between the V6 and V8 engines used in these chassis. Before replacing this component, ensure your battery is fully loaded-tested and inspect the heavy-gauge battery cables for hidden corrosion, as voltage drops often mimic a dead starter. Always disconnect the negative battery cable before beginning installation to prevent dangerous electrical arcing at the main power terminal.