2007 Kia Optima Electrical Switch & Relay Parts

Engine:

Showing parts for every engine. Select an engine to see only what fits.

This page lists 144 electrical switch & relay parts for the 2007 Kia Optima, across 32 part types, covering both the 2.4L L4 and the 2.7L V6. Every part shows its brand, manufacturer part number and fitment notes.

On the 2007 Kia Optima, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches. 40 parts of the 144 listed are Brake Light Switch (15 parts), Oil Pressure Sender / Switch (13 parts) and Turn Signal Switch (12 parts). The other 29 part types cover the remaining 104 parts.

A/C Pressure Safety Switch

Brand Part Number Markets Notes Buy
VEMO Fits: all 2007 Optima engines V52730034
🇺🇸 US
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This table covers the A/C Pressure Safety switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

A/C Refrigerant Pressure Switch

Brand Part Number Markets Notes Buy
FOUR SEASONS Popular Fits: all 2007 Optima engines 37324
🇺🇸 US
Pressure Switch
Fitment notes — FOUR SEASONS 37324
Pressure Switch
Transducer
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UAC Popular Fits: all 2007 Optima engines SW9969C
🇺🇸 US
Pressure Transducer
Fitment notes — UAC SW9969C
Pressure Transducer
New StyleTransducer
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FAMOUS BRAND Fits: all 2007 Optima engines 1802492322
🇺🇸 US 🇨🇦 CA
Compressor Cut-Off Switch
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GPD Fits: all 2007 Optima engines 1711756
🇺🇸 US
Pressure Transducer
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HYUNDAI Fits: all 2007 Optima engines 9775238000
🇺🇸 US
At Receiver Drier
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HYUNDAI Fits: all 2007 Optima engines 977213K000
🇺🇸 US
Included with liquid line, suction tube, hose & tube assembly, pressure line assembly
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STANDARD MOTOR PRODUCTS Fits: all 2007 Optima engines PCS195
🇺🇸 US
Low PressureCut-Off
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WELLS Fits: all 2007 Optima engines 5S16579
🇺🇸 US
CUT-OFF
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WELLS Fits: all 2007 Optima engines 1S9347
🇺🇸 US
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This table covers the pressure switches on the A/C circuit. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Accessory Power Relay

Brand Part Number Markets Notes Buy
HELLA Fits: all 2007 Optima engines 933332581
🇺🇸 US
5-Pin ConnectorColor: Black
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ROSTRA Fits: all 2007 Optima engines 600134
🇺🇸 US
with Stamping # 0K2A2-67-740
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ROSTRA Fits: all 2007 Optima engines 600277
🇺🇸 US
10/20 Amps
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WELLS Fits: all 2007 Optima engines 1R2112
🇺🇸 US
with Stamping # 0K2A2-67740
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This table covers the relays that control the Accessory Power circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Back Up / Reverse Lamp Switch

Economy

Brand Part Number Markets Notes Buy
VEMO Popular Fits: 2.4L L4 V52730014
🇺🇸 US
Manual trans.Back up light switch
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Standard Replacement

Brand Part Number Markets Notes Buy
BECK/ARNLEY Fits: 2.4L L4 2011885
🇺🇸 US
Manual trans.
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FACET Fits: 2.4L L4 76309
🇺🇸 US
Manual trans.
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WELLS Fits: 2.4L L4 1S5803
🇺🇸 US
Connector Shape: Rectangular
Fitment notes — WELLS 1S5803
Connector Shape: Rectangular
Manual trans.
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Brand Part Number Markets Notes Buy
BECK/ARNLEY Fits: 2.7L V6 2011885
🇺🇸 US
Manual trans.
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HELLA Fits: 2.7L V6 008621661
🇺🇸 US
2-Pin ConnectorBolted
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HYUNDAI Fits: all 2007 Optima engines 9386049600
🇺🇸 US
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ROSTRA Fits: 2.7L V6 670059
🇺🇸 US
Manual trans.
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This table covers the Back Up / Reverse Lamp switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Brake Light Switch

Economy

Brand Part Number Markets Notes Buy
FAMOUS BRAND Fits: all 2007 Optima engines SLA1013
🇺🇸 US 🇨🇦 CA
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HOLSTEIN Fits: all 2007 Optima engines 2BLS0013
🇺🇸 US
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STANDARD MOTOR PRODUCTS Fits: all 2007 Optima engines SLS342T
🇺🇸 US
T-Series
Fitment notes — STANDARD MOTOR PRODUCTS SLS342T
T-Series
with Cruise Control
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VEMO Fits: all 2007 Optima engines V53730002
🇺🇸 US
Includes NutPlug (Connector): 4 Pins
Fitment notes — VEMO V53730002
Includes NutPlug (Connector): 4 Pins
Expert Kits + Plug (Connector): 4 Pins
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Standard Replacement

Brand Part Number Markets Notes Buy
AUTO 7 Popular Fits: all 2007 Optima engines 5040059A
🇺🇸 US
4 PIN
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HYUNDAI Popular Fits: all 2007 Optima engines 938103K000
🇺🇸 US
4 PIN
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STANDARD MOTOR PRODUCTS Popular Fits: all 2007 Optima engines SLS342
🇺🇸 US
with Cruise Control
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AUTO 7 Fits: all 2007 Optima engines 5040059
🇺🇸 US
4 PIN
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BECK/ARNLEY Fits: all 2007 Optima engines 2011887
🇺🇸 US
Automatic trans.To 5/4/07
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FACET Fits: all 2007 Optima engines 71125
🇺🇸 US
with Straight ConnectorFrom 05/04/2007
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FACET Fits: all 2007 Optima engines 71294
🇺🇸 US
Fits From 05/04/2007with Right Angle Connectoror with Right Angle Connector
Fitment notes — FACET 71294
Fits:
From 05/04/2007with Right Angle Connectoror with Right Angle ConnectorTo 05/04/2007
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ROSTRA Fits: all 2007 Optima engines 620001
🇺🇸 US
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UNITED MOTOR PRODUCTS Fits: all 2007 Optima engines SW407
🇺🇸 US
with Cruise Control
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WELLS Fits: all 2007 Optima engines 1S5749
🇺🇸 US
Mounting Hardware Included: No
Fitment notes — WELLS 1S5749
Mounting Hardware Included: No
with 4 Terminals
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WELLS Fits: all 2007 Optima engines 1S5748
🇺🇸 US
2 Blade Terminal
Fitment notes — WELLS 1S5748
2 Blade Terminal
with 2 Terminals
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This table covers the pedal-mounted switch that turns on the brake lamps. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Clutch Pedal Position / Starter Safety Switch

Brand Part Number Markets Notes Buy
FACET Popular Fits: all 2007 Optima engines 71289
🇺🇸 US
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HYUNDAI Popular Fits: all 2007 Optima engines 9384038000
🇺🇸 US
Manual trans.
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HYUNDAI Fits: all 2007 Optima engines 938402E000
🇺🇸 US
View on
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STANDARD MOTOR PRODUCTS Fits: all 2007 Optima engines NS300
🇺🇸 US
with Manual Shift
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VEMO Fits: 2.4L L4 V52730022
🇺🇸 US
Manual trans.
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WELLS Fits: all 2007 Optima engines 1S5779
🇺🇸 US
Connector Color: WhiteWiring Harness Length: 2.62 In
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This table covers the Clutch Pedal Position / Starter Safety switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Computer Control Relay

Brand Part Number Markets Notes Buy
ROSTRA Fits: all 2007 Optima engines 600277
🇺🇸 US
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STANDARD MOTOR PRODUCTS Fits: all 2007 Optima engines RY1587
🇺🇸 US
View on
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WELLS Fits: all 2007 Optima engines 1R3554
🇺🇸 US
View on
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This table covers the relays that control the Computer Control circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Cruise Control Release Switch

Brand Part Number Markets Notes Buy
HYUNDAI Fits: all 2007 Optima engines 938102E000
🇺🇸 US
Manual trans.2 PIN - AT CLUTCH PEDAL
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This table covers the Cruise Control Release switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Dimmer Switch

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular Fits: all 2007 Optima engines CBS1770
🇺🇸 US
without Fog Lightswithout Automatic Headlights
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STANDARD MOTOR PRODUCTS Popular Fits: all 2007 Optima engines CBS1772
🇺🇸 US
Finish: Metal, Plastic, Rubber
Fitment notes — STANDARD MOTOR PRODUCTS CBS1772
Finish: Metal, Plastic, Rubber
without Fog Lightswith Automatic Headlights
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ROSTRA Fits: all 2007 Optima engines 640502
🇺🇸 US
with Fog Lightswithout Automatic Headlights
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STANDARD MOTOR PRODUCTS Fits: all 2007 Optima engines CBS1829
🇺🇸 US
without Automatic Headlights
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STANDARD MOTOR PRODUCTS Fits: all 2007 Optima engines CBS1826
🇺🇸 US
with automatic headlights
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WELLS Fits: all 2007 Optima engines 1S11435
🇺🇸 US
without Automatic Headlightswithout Fog Lights
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WELLS Fits: all 2007 Optima engines 1S11440
🇺🇸 US
with Automatic Headlightswith Fog Lights
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This table covers the dimmer switches that select headlamp high and low beam. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Door Jamb Switch

Brand Part Number Markets Notes Buy
ROSTRA Fits: all 2007 Optima engines 650034
🇺🇸 US
Fits Rear
Fitment notes — ROSTRA 650034
Fits:
Rear
or:
Front
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STANDARD MOTOR PRODUCTS Fits: all 2007 Optima engines AW1005
🇺🇸 US
All Doors
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WELLS Fits: all 2007 Optima engines 1S8910
🇺🇸 US
Fits Rear
Fitment notes — WELLS 1S8910
Fits:
Rear
or:
Front
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This table covers the Door Jamb switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Fog / Driving Lamp Switch

Economy

Brand Part Number Markets Notes Buy
BWD/NIEHOFF Fits: all 2007 Optima engines S16204
🇺🇸 US 🇨🇦 CA
Fits Fog Lamp Switchwithout AUTO HEADLIGHTS
Fitment notes — BWD/NIEHOFF S16204
Fits:
Fog Lamp Switchwithout AUTO HEADLIGHTS
or:
Fog Lamp Switchwithout Auto Headlight Control
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SHEE-MAR Fits: all 2007 Optima engines SM1227
🇺🇸 US
with Fog Lightswithout Automatic Headlights
Fitment notes — SHEE-MAR SM1227
with Fog Lightswithout Automatic HeadlightsOEM # 93410-2G100
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Standard Replacement

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2007 Optima engines CBS1829
🇺🇸 US
without Automatic Headlights
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STANDARD MOTOR PRODUCTS Fits: all 2007 Optima engines CBS1826
🇺🇸 US
with automatic headlights
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This table covers the Fog / Driving Lamp switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Fuel Injection Relay

Brand Part Number Markets Notes Buy
FAMOUS BRAND Fits: all 2007 Optima engines RAA2631
🇺🇸 US 🇨🇦 CA
Main Relay
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ROSTRA Fits: all 2007 Optima engines 600277
🇺🇸 US
View on
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STANDARD MOTOR PRODUCTS Fits: all 2007 Optima engines RY1587
🇺🇸 US
View on
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WELLS Fits: all 2007 Optima engines 1R3554
🇺🇸 US
View on
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This table covers the relays that control the Fuel Injection circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Fuel Pump / Circuit Opening Relay

Brand Part Number Markets Notes Buy
ROSTRA Fits: all 2007 Optima engines 600277
🇺🇸 US
Main
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STANDARD MOTOR PRODUCTS Fits: all 2007 Optima engines RY1587
🇺🇸 US
Main
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WELLS Fits: all 2007 Optima engines 1R3554
🇺🇸 US
Main
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This table covers the relays that control the Fuel Pump / Circuit Opening circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Hazard Warning Switch

Brand Part Number Markets Notes Buy
WELLS Fits: all 2007 Optima engines 1S9363
🇺🇸 US
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This table covers the Hazard Warning switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Headlamp Relay

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2007 Optima engines RY1347
🇺🇸 US
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WELLS Fits: all 2007 Optima engines 1R3672
🇺🇸 US
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This table covers the relays that control the Headlamp circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Headlamp Switch

Economy

Brand Part Number Markets Notes Buy
BWD/NIEHOFF Fits: all 2007 Optima engines S16204
🇺🇸 US 🇨🇦 CA
Fits with Dimmerwithout Auto Headlight Controlor with Dimmer
Fitment notes — BWD/NIEHOFF S16204
Fits:
with Dimmerwithout Auto Headlight Controlor with Dimmerwithout Auto Headlights
View on
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Standard Replacement

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular Fits: all 2007 Optima engines CBS1770
🇺🇸 US
without Fog Lightswithout Automatic Headlights
View on
Amazon
STANDARD MOTOR PRODUCTS Popular Fits: all 2007 Optima engines CBS1772
🇺🇸 US
Finish: Metal, Plastic, Rubber
Fitment notes — STANDARD MOTOR PRODUCTS CBS1772
Finish: Metal, Plastic, Rubber
without Fog Lightswith Automatic Headlights
View on
Amazon
ROSTRA Fits: all 2007 Optima engines 640502
🇺🇸 US
with Fog Lightswithout Automatic Headlights
View on
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STANDARD MOTOR PRODUCTS Fits: all 2007 Optima engines CBS1829
🇺🇸 US
without Automatic Headlights
View on
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STANDARD MOTOR PRODUCTS Fits: all 2007 Optima engines CBS1826
🇺🇸 US
with automatic headlights
View on
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WELLS Fits: all 2007 Optima engines 1S11435
🇺🇸 US
without Automatic Headlightswithout Fog Lights
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WELLS Fits: all 2007 Optima engines 1S11440
🇺🇸 US
with Automatic Headlightswith Fog Lights
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This table covers the column or dash switches that control the exterior lamps. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Horn Relay

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2007 Optima engines RY1347
🇺🇸 US
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WELLS Fits: all 2007 Optima engines 1R3672
🇺🇸 US
View on
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This table covers the relays that control the Horn circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Ignition Relay

Brand Part Number Markets Notes Buy
FAMOUS BRAND Fits: all 2007 Optima engines RAA2631
🇺🇸 US 🇨🇦 CA
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ROSTRA Fits: all 2007 Optima engines 600277
🇺🇸 US
View on
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STANDARD MOTOR PRODUCTS Fits: all 2007 Optima engines RY1587
🇺🇸 US
View on
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WELLS Fits: all 2007 Optima engines 1R3554
🇺🇸 US
View on
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This table covers the relays that control the Ignition circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Ignition Starter Switch

Economy

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2007 Optima engines US693T
🇺🇸 US
T-Series
Fitment notes — STANDARD MOTOR PRODUCTS US693T
T-Series
without Housing
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Standard Replacement

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular Fits: all 2007 Optima engines US693
🇺🇸 US
without Housing
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BECK/ARNLEY Fits: all 2007 Optima engines 2011929
🇺🇸 US
with BracketDoes Not come with keys
View on
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HYUNDAI Fits: 2.4L L4 819102G000
🇺🇸 US
View on
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ROSTRA Fits: all 2007 Optima engines 630150
🇺🇸 US
Automatic trans.
View on
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STANDARD MOTOR PRODUCTS Fits: all 2007 Optima engines US1087
🇺🇸 US
Automatic trans.Assembly
View on
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Brand Part Number Markets Notes Buy
KIA Fits: 2.4L L4 819102G000
🇺🇸 US
View on
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This table covers the ignition switches that feed the starter circuit. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Micro Plug Relay

Brand Part Number Markets Notes Buy
FAMOUS BRAND Fits: all 2007 Optima engines RAA2631
🇺🇸 US 🇨🇦 CA
Microprocessor RelayComputer Control
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This table covers the relays that control the Micro Plug circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Multi-Function Relay

Brand Part Number Markets Notes Buy
WELLS Fits: all 2007 Optima engines 1R3554
🇺🇸 US
20/10 Amps
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WELLS Fits: all 2007 Optima engines 1R2259
🇺🇸 US
with 4 Terminalswith Stamping # 95230-38000
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This table covers the relays that control the Multi-Function circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Neutral Safety Switch / Range Sensor

Brand Part Number Markets Notes Buy
BECK/ARNLEY Fits: all 2007 Optima engines 2012708
🇺🇸 US
View on
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HYUNDAI Fits: all 2007 Optima engines 4270039055
🇺🇸 US
View on
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ROSTRA Fits: all 2007 Optima engines 670008
🇺🇸 US
View on
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VEMO Fits: all 2007 Optima engines V52730057
🇺🇸 US
View on
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WELLS Fits: all 2007 Optima engines 1S5750
🇺🇸 US
Automatic Trans
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This table covers the Neutral Safety Switch / Range sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors.

Oil Pressure Sender / Switch

Economy

Brand Part Number Markets Notes Buy
HOLSTEIN Fits: all 2007 Optima engines 2OPS0001
🇺🇸 US
with Light
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STANDARD MOTOR PRODUCTS Fits: all 2007 Optima engines PS411T
🇺🇸 US
T-Series
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UNITED MOTOR PRODUCTS Fits: all 2007 Optima engines OPS189
🇺🇸 US
Long Designwith Light
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VEMO Fits: all 2007 Optima engines V527300021
🇺🇸 US
Pressure [Bar]: 0.3
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WALKER PRODUCTS Fits: all 2007 Optima engines 2561059
🇺🇸 US
View on
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Standard Replacement

Brand Part Number Markets Notes Buy
BECK/ARNLEY Popular Fits: all 2007 Optima engines 2011771
🇺🇸 US
with Light
View on
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HELLA Popular Fits: all 2007 Optima engines 009600251
🇺🇸 US
1-Pin Connector
View on
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STANDARD MOTOR PRODUCTS Popular Fits: all 2007 Optima engines PS411
🇺🇸 US
Terminal Quantity: 1Terminal Type: Blade
View on
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FACET Fits: all 2007 Optima engines 70195
🇺🇸 US
View on
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GPD Fits: all 2007 Optima engines 1815237
🇺🇸 US
View on
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HYUNDAI Fits: all 2007 Optima engines 9475037100
🇺🇸 US
View on
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ROSTRA Fits: all 2007 Optima engines 501242
🇺🇸 US
View on
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WELLS Fits: all 2007 Optima engines 1S6857
🇺🇸 US
with Light
View on
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This table covers the senders and switches that report oil pressure to the gauge or lamp. Typical signs include a lamp that stays on, or a gauge that never moves. Confirm power and ground at the connector before replacing the sender or switch.

Parking Brake Switch

Brand Part Number Markets Notes Buy
WELLS Fits: all 2007 Optima engines 1S9374
🇺🇸 US
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This table covers the Parking Brake switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Power Seat Switch

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular Fits: all 2007 Optima engines PSW14
🇺🇸 US
Front Right
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ROSTRA Fits: all 2007 Optima engines 662590
🇺🇸 US
Front Left
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ROSTRA Fits: all 2007 Optima engines 662595
🇺🇸 US
Front Right
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STANDARD MOTOR PRODUCTS Fits: all 2007 Optima engines PSW145
🇺🇸 US
Front Left
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WELLS Fits: all 2007 Optima engines 1S11142
🇺🇸 US
Connector Gender: Female
Fitment notes — WELLS 1S11142
Connector Gender: Female
Front Left
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This table covers the Power Seat switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Power Window Relay

Brand Part Number Markets Notes Buy
ROSTRA Fits: all 2007 Optima engines 600192
🇺🇸 US
with Stamping # 95230-38000with 4 Blade Terminals
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This table covers the relays that control the Power Window circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Power Window Switch

Brand Part Number Markets Notes Buy
WELLS Popular Fits: all 2007 Optima engines 1S9433
🇺🇸 US
Rear RightGray
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WELLS Popular Fits: all 2007 Optima engines 1S9423
🇺🇸 US
Front Left
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STANDARD MOTOR PRODUCTS Fits: all 2007 Optima engines DWS1113
🇺🇸 US
Rear LeftBeige
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STANDARD MOTOR PRODUCTS Fits: all 2007 Optima engines DWS1108
🇺🇸 US
Black
Fitment notes — STANDARD MOTOR PRODUCTS DWS1108
Black
Rear Rightwith 7 Terminal Connector
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WELLS Fits: all 2007 Optima engines 1S9432
🇺🇸 US
Rear RightBeige
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WELLS Fits: all 2007 Optima engines 1S13595
🇺🇸 US
Fits Rear LeftBlack
Fitment notes — WELLS 1S13595
Fits:
Rear LeftBlack
or:
Rear RightBlack
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This table covers the switches that command each window motor. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Sunroof Relay

Brand Part Number Markets Notes Buy
FAMOUS BRAND Fits: all 2007 Optima engines 2502493915
🇺🇸 US 🇨🇦 CA
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WELLS Fits: all 2007 Optima engines 1R2135
🇺🇸 US
View on
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This table covers the relays that control the Sunroof circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Transmission Relay

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: all 2007 Optima engines RY1538
🇺🇸 US
View on
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WELLS Fits: all 2007 Optima engines 1R2120
🇺🇸 US
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This table covers the relays that control the Transmission circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Transmission-Automatic Axle Relay

Brand Part Number Markets Notes Buy
FAMOUS BRAND Fits: all 2007 Optima engines RAA2642
🇺🇸 US 🇨🇦 CA
Automatic Transmission RelayTRANS CONTROL
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This table covers the relays that control the Transmission-Automatic Axle circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.

Turn Signal Switch

Economy

Brand Part Number Markets Notes Buy
BWD/NIEHOFF Fits: all 2007 Optima engines S16204
🇺🇸 US 🇨🇦 CA
Fits Turn Indicator Switchwithout AUTO HEADLIGHT CONTROL
Fitment notes — BWD/NIEHOFF S16204
Fits:
Turn Indicator Switchwithout AUTO HEADLIGHT CONTROL
or:
Turn Indicator Switchwithout AUTO HEADLIGHTS
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Standard Replacement

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular Fits: all 2007 Optima engines CBS1770
🇺🇸 US
without Fog Lightswithout Automatic Headlights
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STANDARD MOTOR PRODUCTS Popular Fits: all 2007 Optima engines CBS1829
🇺🇸 US
without Automatic Headlights
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STANDARD MOTOR PRODUCTS Popular Fits: all 2007 Optima engines CBS1772
🇺🇸 US
Finish: Metal, Plastic, Rubber
Fitment notes — STANDARD MOTOR PRODUCTS CBS1772
Finish: Metal, Plastic, Rubber
without Fog Lightswith Automatic Headlights
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KIA Fits: 2.4L L4 934102G000
🇺🇸 US
without AUTO HEADLIGHTSwithout FOG LAMPS
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KIA Fits: all 2007 Optima engines 934102G300
🇺🇸 US
with Auto Headlampswith Fog Lights
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ROSTRA Fits: all 2007 Optima engines 640502
🇺🇸 US
with Fog Lightswithout Automatic Headlights
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STANDARD MOTOR PRODUCTS Fits: all 2007 Optima engines WP464
🇺🇸 US
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STANDARD MOTOR PRODUCTS Fits: all 2007 Optima engines CBS1826
🇺🇸 US
with automatic headlights
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WELLS Fits: all 2007 Optima engines 1S11435
🇺🇸 US
without Automatic Headlightswithout Fog Lights
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WELLS Fits: all 2007 Optima engines 1S11440
🇺🇸 US
with Automatic Headlightswith Fog Lights
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Brand Part Number Markets Notes Buy
KIA Fits: all 2007 Optima engines 934102G311
🇺🇸 US
with Fog Lampswith Auto Lights
Fitment notes — KIA 934102G311
with Fog Lampswith Auto LightsIncludes Headlamp
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This table covers the combination / turn-signal switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Wiper / Washer Switch

Brand Part Number Markets Notes Buy
WELLS Fits: all 2007 Optima engines 1S11404
🇺🇸 US
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This table covers the Wiper / Washer switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Buying Electrical Switch & Relay Parts for a 2007 Kia Optima

On this vehicle, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches.

  • Match the engine first. Some electrical switch & relay parts fit every engine; others are engine-specific. Each row shows which engine(s) it fits.
  • Read the notes on each row for position, trim and spec qualifiers before you order.
  • Where labor overlaps, inspect the connector terminals behind any failed switch — heat damage there will kill the new part too.
  • Cross-reference the manufacturer part number against your old part or a service-manual listing.

Start with the largest groups on this page: Brake Light Switch and Oil Pressure Sender / Switch .

Frequently Asked Questions

How many electrical switch & relay parts fit the 2007 Kia Optima?

Our catalog currently lists 144 electrical switch & relay parts for the 2007 Kia Optima across 32 subcategories and 19 brands, covering both the 2.4L L4 and the 2.7L V6. Each part is matched to the engine(s) it fits.

Do electrical switch & relay parts differ between 2007 Kia Optima engines?

Some do. 133 parts fit every engine; the other 11 are engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.

What are the signs of electrical switch & relay problems on a 2007 Kia Optima?

Common symptoms include accessories that work intermittently, a click without action, or one function dead while its fuse tests fine. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.

What should I replace at the same time?

Where labor overlaps, inspect the connector terminals behind any failed switch — heat damage there will kill the new part too.

What do the market flags (US, CA, MX) on each part mean?

They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2007 Kia Optima was originally sold in the US, the safest choice is a part marked for the US market.

How do I make sure a part fits my 2007 Kia Optima?

First match the engine — each row shows which engine(s) the part fits. Then swap a suspect relay with an identical known-good one from the fuse box before buying — it is the fastest diagnostic there is. The notes column carries position and trim qualifiers where they apply.

Other Parts for the 2007 Kia Optima

Electrical Switch & Relay Parts for Other Kia Optima Years

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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.