Keep key-controlled power flowing to your vehicle's ignition, accessory, and start circuits with the Standard Ignition Ignition Switch / Ignition Starter Switch (US-444). It drops in as a direct-fit replacement for the listed applications: the 1997-2001 Cadillac Catera [All], 1994-2012 Chevrolet Chevy [All], 2003 Chevrolet Chevy Monza [All], and 1999-2003 Chevrolet Chevy Pickup [All]. This switch routes battery voltage to the appropriate circuits as the key is turned through its positions.
- Copper alloy conductors: deliver superior electrical conductivity with low resistive losses.
- Connector layout: one male connector with six male blade terminals.
- 100% tested: verified for both mechanical and electrical switching performance.
- Robust build: high-grade materials in a black-and-gray plastic finish.
Because the switch handles the electrical side of ignition and starting, worn internal contacts can interrupt power to the circuits it feeds. If a failed ignition switch is the cause of your no-crank, intermittent accessory power, or stalling condition, this unit replaces it — diagnose the cause before replacing. Country of origin: Germany. This part is listed under both "Ignition Switch" and "Ignition Starter Switch." Manufacturer part number US-444 (also US444).
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What is the US-444 and what does it do?
It's a Standard Ignition ignition switch, also cataloged as an ignition starter switch (MPN US-444). It routes key-controlled power to the ignition, accessory, and start circuits as the key is turned.
Which vehicles does this switch fit?
It's a direct-fit replacement for the 1997-2001 Cadillac Catera, 1994-2012 Chevrolet Chevy, 2003 Chevrolet Chevy Monza, and 1999-2003 Chevrolet Chevy Pickup (all engines). See the Buyer's Guide tab to confirm your vehicle.
What are the connector and terminal specs?
It uses copper alloy conductors with one male connector carrying six male blade terminals.
What are signs the ignition switch may need replacing?
Signs may include no crank when turning the key, intermittent loss of accessory power, or stalling. If a failed ignition switch is the cause, this replaces it — diagnose the cause first.
What is it made of and where is it made?
It's finished in black and gray plastic and built from high-grade materials, and it's 100% tested for mechanical and electrical performance. Country of origin: Germany.
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