Carquest Fog Light Switch, SAC1185
In stock
$104.99
Listed as compatible with this vehicle by the retailer feed.
Check price2003 GMC Sierra 3500 Switches & Relays
133 products listed for this model year in the retailer catalog. Check engine and trim details before ordering.
Carquest 4WD Switch, FWA1018
In stock
$105.99
Listed as compatible with this vehicle by the retailer feed.
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Carquest Seat Switch, STC1005
In stock
$106.99
Listed as compatible with this vehicle by the retailer feed.
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Carquest Multi-Use Connector, PTA2247
In stock
$114.99
Listed as compatible with this vehicle by the retailer feed.
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Carquest Engine Oil Pressure Sensor, SBC1074
In stock
$121.99
Listed as compatible with this vehicle by the retailer feed.
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Carquest Turn Signal Switch, SAE1243
In stock
$121.99
Listed as compatible with this vehicle by the retailer feed.
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Carquest Seat Switch, STA1008
In stock
$123.99
Listed as compatible with this vehicle by the retailer feed.
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Carquest Turn Signal Flasher, FCA1072
In stock
$124.99
Listed as compatible with this vehicle by the retailer feed.
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Carquest Multi-Use Connector, PTA2357
In stock
$125.99
Listed as compatible with this vehicle by the retailer feed.
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GM Genuine Parts Multi-Purpose Pigtail, PT1489
In stock
$127.99
Listed as compatible with this vehicle by the retailer feed.
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Carquest Multi-Use Connector, PTA2974
In stock
$127.99
Listed as compatible with this vehicle by the retailer feed.
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Carquest Seat Switch, STC1016
In stock
$139.99
Listed as compatible with this vehicle by the retailer feed.
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Dorman Ignition Lock Cylinder Housing with Passlock Sensor, 924-713
In stock
$149.99
Listed as compatible with this vehicle by the retailer feed.
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Carquest Diesel Glow Plug Controller, RAC1811
In stock
$151.99
Listed as compatible with this vehicle by the retailer feed.
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Carquest Turn Signal Switch, SAN1139
In stock
$155.99
Listed as compatible with this vehicle by the retailer feed.
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GM Genuine Parts Combination Switch, D6299A
In stock
$192.99
Listed as compatible with this vehicle by the retailer feed.
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Carquest Seat Switch, SBC2178
In stock
$205.99
Listed as compatible with this vehicle by the retailer feed.
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Carquest Door Window Switch, WSC1079
In stock
$223.99
Listed as compatible with this vehicle by the retailer feed.
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Dorman Master Window Switch Assembly - 8 Button, 901-075
In stock
$233.99
Listed as compatible with this vehicle by the retailer feed.
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Carquest Door Window Switch, WSA1013
In stock
$246.99
Listed as compatible with this vehicle by the retailer feed.
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Carquest Door Window Switch, WSE1031
In stock
$253.99
Listed as compatible with this vehicle by the retailer feed.
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Carquest Door Window Switch, WSC1029
In stock
$266.99
Listed as compatible with this vehicle by the retailer feed.
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Carquest Door Lock Actuator, DLE1077
In stock
$289.99
Listed as compatible with this vehicle by the retailer feed.
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Dorman Power Window Switch, 2 Button, 920-025
In stock
$292.99
Listed as compatible with this vehicle by the retailer feed.
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This site contains affiliate links. We may earn a commission if you buy through them. We do not sell these products or guarantee merchant inventory. Compatibility is listed by the retailer feed for this vehicle; it is not an OEM confirmation. Catalog snapshot: Aug 15, 2026.