2009 Kia Optima Electrical Switch & Relay Parts

Engine:

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

This page lists 121 electrical switch & relay parts for the 2009 Kia Optima, across 22 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 2009 Kia Optima, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches. Most of the listed parts are Brake Light Switch (14 parts), Oil Pressure Sender / Switch (14 parts) and Turn Signal Switch (11 parts). The other 19 part types cover the remaining 82 parts.

A/C Pressure Safety Switch

Brand Part Number Markets Notes Buy
VEMO Fits: 2.7L V6 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: 2.7L V6 37324
🇺🇸 US
Pressure Switch
Fitment notes — FOUR SEASONS 37324
Pressure Switch
Transducer
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UAC Popular Fits: 2.7L V6 SW9969C
🇺🇸 US
Pressure Transducer
Fitment notes — UAC SW9969C
Pressure Transducer
New StyleTransducer
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FAMOUS BRAND Fits: 2.7L V6 1802492322
🇺🇸 US 🇨🇦 CA
Compressor Cut-Off Switch
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GPD Fits: 2.7L V6 1711756
🇺🇸 US
Pressure Transducer
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HYUNDAI Fits: 2.7L V6 9775238000
🇺🇸 US
At Receiver Drier
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HYUNDAI Fits: 2.7L V6 977213K000
🇺🇸 US
Included with liquid line, suction tube, hose & tube assembly, pressure line assembly
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STANDARD MOTOR PRODUCTS Fits: 2.7L V6 PCS195
🇺🇸 US
Low PressureCut-Off
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WELLS Fits: 2.7L V6 5S16579
🇺🇸 US
CUT-OFF
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WELLS Fits: 2.7L V6 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 Popular Fits: 2.7L V6 933332581
🇺🇸 US
5-Pin ConnectorColor: Black
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KIA Fits: 2.7L V6 9522538300
🇺🇸 US
No. 2, 5 terminal, included with junction block
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ROSTRA Fits: 2.7L V6 600134
🇺🇸 US
with Stamping # 0K2A2-67-740
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ROSTRA Fits: 2.7L V6 600277
🇺🇸 US
10/20 Amps
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WELLS Fits: 2.7L V6 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

Brand Part Number Markets Notes Buy
HELLA Fits: 2.7L V6 008621661
🇺🇸 US
2-Pin ConnectorBolted
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HYUNDAI Fits: 2.7L V6 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: 2.7L V6 SLA1013
🇺🇸 US 🇨🇦 CA
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HOLSTEIN Fits: 2.7L V6 2BLS0013
🇺🇸 US
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STANDARD MOTOR PRODUCTS Fits: 2.7L V6 SLS342T
🇺🇸 US
T-Series
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VEMO Fits: 2.7L V6 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: 2.7L V6 5040059A
🇺🇸 US
4 PIN
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HYUNDAI Popular Fits: 2.7L V6 938103K000
🇺🇸 US
4 PIN
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STANDARD MOTOR PRODUCTS Popular Fits: 2.7L V6 SLS342
🇺🇸 US
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AUTO 7 Fits: 2.7L V6 5040059
🇺🇸 US
4 PIN
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BECK/ARNLEY Fits: 2.7L V6 2011887
🇺🇸 US
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FACET Fits: 2.7L V6 71125
🇺🇸 US
with Straight Connector
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FACET Fits: 2.7L V6 71294
🇺🇸 US
with Right Angle Connector
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ROSTRA Fits: 2.7L V6 620001
🇺🇸 US
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UNITED MOTOR PRODUCTS Fits: 2.7L V6 SW407
🇺🇸 US
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WELLS Fits: 2.7L V6 1S5749
🇺🇸 US
Mounting Hardware Included: No
Fitment notes — WELLS 1S5749
Mounting Hardware Included: No
with 4 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 Fits: 2.7L V6 71289
🇺🇸 US
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HYUNDAI Fits: 2.7L V6 938402E000
🇺🇸 US
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STANDARD MOTOR PRODUCTS Fits: 2.7L V6 NS300
🇺🇸 US
with Manual Shift
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WELLS Fits: 2.7L V6 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.

Cruise Control Release Switch

Brand Part Number Markets Notes Buy
HYUNDAI Fits: 2.7L V6 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: 2.7L V6 CBS1770
🇺🇸 US
without Fog Lightswithout Automatic Headlights
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STANDARD MOTOR PRODUCTS Popular Fits: 2.7L V6 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: 2.7L V6 640502
🇺🇸 US
with Fog Lightswithout Automatic Headlights
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STANDARD MOTOR PRODUCTS Fits: 2.7L V6 CBS1829
🇺🇸 US
without Automatic Headlights
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STANDARD MOTOR PRODUCTS Fits: 2.7L V6 CBS1826
🇺🇸 US
with automatic headlights
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WELLS Fits: 2.7L V6 1S11443
🇺🇸 US
with Automatic Headlightswithout Fog Lights
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WELLS Fits: 2.7L V6 1S11435
🇺🇸 US
without Automatic Headlightswithout Fog Lights
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WELLS Fits: 2.7L V6 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: 2.7L V6 650034
🇺🇸 US
Fits Rear
Fitment notes — ROSTRA 650034
Fits:
Rear
or:
Front
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STANDARD MOTOR PRODUCTS Fits: 2.7L V6 AW1005
🇺🇸 US
All Doors
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WELLS Fits: 2.7L V6 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: 2.7L V6 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: 2.7L V6 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: 2.7L V6 CBS1829
🇺🇸 US
without Automatic Headlights
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STANDARD MOTOR PRODUCTS Fits: 2.7L V6 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.

Headlamp Switch

Economy

Brand Part Number Markets Notes Buy
BWD/NIEHOFF Fits: 2.7L V6 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
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Standard Replacement

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular Fits: 2.7L V6 CBS1770
🇺🇸 US
without Fog Lightswithout Automatic Headlights
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STANDARD MOTOR PRODUCTS Popular Fits: 2.7L V6 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: 2.7L V6 640502
🇺🇸 US
with Fog Lightswithout Automatic Headlights
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STANDARD MOTOR PRODUCTS Fits: 2.7L V6 CBS1829
🇺🇸 US
without Automatic Headlights
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STANDARD MOTOR PRODUCTS Fits: 2.7L V6 CBS1826
🇺🇸 US
with automatic headlights
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WELLS Fits: 2.7L V6 1S11443
🇺🇸 US
with Automatic Headlightswithout Fog Lights
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WELLS Fits: 2.7L V6 1S11435
🇺🇸 US
without Automatic Headlightswithout Fog Lights
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WELLS Fits: 2.7L V6 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.

Ignition Starter Switch

Economy

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 2.7L V6 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: 2.7L V6 US693
🇺🇸 US
without Housing
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BECK/ARNLEY Fits: 2.7L V6 2011929
🇺🇸 US
with BracketDoes Not come with keys
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ROSTRA Fits: 2.7L V6 630150
🇺🇸 US
Automatic trans.
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STANDARD MOTOR PRODUCTS Fits: 2.7L V6 US1087
🇺🇸 US
Automatic trans.Assembly
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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.

Multi-Function Relay

Brand Part Number Markets Notes Buy
WELLS Fits: 2.7L V6 1R3554
🇺🇸 US
20/10 Amps
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WELLS Fits: 2.7L V6 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: 2.7L V6 2012708
🇺🇸 US
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HYUNDAI Fits: 2.7L V6 4270039055
🇺🇸 US
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ROSTRA Fits: 2.7L V6 670008
🇺🇸 US
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VEMO Fits: 2.7L V6 V52730057
🇺🇸 US
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WELLS Fits: 2.7L V6 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: 2.7L V6 2OPS0001
🇺🇸 US
with Light
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STANDARD MOTOR PRODUCTS Fits: 2.7L V6 PS411T
🇺🇸 US
T-Series
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UNITED MOTOR PRODUCTS Fits: 2.7L V6 OPS189
🇺🇸 US
Long Designwith Light
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VEMO Fits: 2.7L V6 V527300021
🇺🇸 US
Pressure [Bar]: 0.3
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WALKER PRODUCTS Fits: 2.7L V6 2561059
🇺🇸 US
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Standard Replacement

Brand Part Number Markets Notes Buy
BECK/ARNLEY Popular Fits: 2.7L V6 2011771
🇺🇸 US
with Light
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HELLA Popular Fits: 2.7L V6 009600251
🇺🇸 US
1-Pin Connector
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STANDARD MOTOR PRODUCTS Popular Fits: 2.7L V6 PS411
🇺🇸 US
Terminal Quantity: 1Terminal Type: Blade
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FACET Fits: 2.7L V6 70195
🇺🇸 US
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GPD Fits: 2.7L V6 1815237
🇺🇸 US
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HYUNDAI Fits: 2.7L V6 9475037100
🇺🇸 US
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HYUNDAI Fits: 2.7L V6 9475037000
🇺🇸 US
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ROSTRA Fits: 2.7L V6 501242
🇺🇸 US
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WELLS Fits: 2.7L V6 1S6857
🇺🇸 US
with Light
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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: 2.7L V6 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: 2.7L V6 PSW14
🇺🇸 US
Front Right
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ROSTRA Fits: 2.7L V6 662590
🇺🇸 US
Front Left
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ROSTRA Fits: 2.7L V6 662595
🇺🇸 US
Front Right
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STANDARD MOTOR PRODUCTS Fits: 2.7L V6 PSW145
🇺🇸 US
Front Left
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WELLS Fits: 2.7L V6 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: 2.7L V6 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: 2.7L V6 1S9423
🇺🇸 US
Front LeftTo 08/12/2008
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ROSTRA Fits: 2.7L V6 660902
🇺🇸 US
Rear RightBeige
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ROSTRA Fits: 2.7L V6 661150
🇺🇸 US
Rear LeftBlack
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ROSTRA Fits: 2.7L V6 661407
🇺🇸 US
Rear LeftBeige
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STANDARD MOTOR PRODUCTS Fits: 2.7L V6 DWS1211
🇺🇸 US
Front RightBeige
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WELLS Fits: 2.7L V6 1S13171
🇺🇸 US
Front RightLight Gray
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WELLS Fits: 2.7L V6 1S17335
🇺🇸 US
Mounting Hardware Included: No
Fitment notes — WELLS 1S17335
Mounting Hardware Included: No
Front RightBeigeFrom 08/12/2008
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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.

Starter Motor Control Relay

Brand Part Number Markets Notes Buy
FAMOUS BRAND Popular Fits: 2.7L V6 1802511331
🇺🇸 US 🇨🇦 CA
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STANDARD MOTOR PRODUCTS Popular Fits: 2.7L V6 RY266
🇺🇸 US
View on
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BWD/NIEHOFF Fits: 2.7L V6 R4152
🇺🇸 US 🇨🇦 CA
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FAMOUS BRAND Fits: 2.7L V6 RAA1545
🇺🇸 US 🇨🇦 CA
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ROSTRA Fits: 2.7L V6 600431
🇺🇸 US
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UNITED MOTOR PRODUCTS Fits: 2.7L V6 RLY61
🇺🇸 US
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WELLS Fits: 2.7L V6 1R1394
🇺🇸 US
Universal RelayFor Pigtail Connector Use 1P1212, 40 Amp
Fitment notes — WELLS 1R1394
Universal RelayFor Pigtail Connector Use 1P1212, 40 Amp12 Volt.
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This table covers the relays that control the Starter Motor 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.

Turn Signal Switch

Economy

Brand Part Number Markets Notes Buy
BWD/NIEHOFF Fits: 2.7L V6 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: 2.7L V6 CBS1770
🇺🇸 US
without Fog Lightswithout Automatic Headlights
View on
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STANDARD MOTOR PRODUCTS Popular Fits: 2.7L V6 CBS1829
🇺🇸 US
without Automatic Headlights
View on
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STANDARD MOTOR PRODUCTS Popular Fits: 2.7L V6 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: 2.7L V6 934102G300
🇺🇸 US
with Auto Headlampswith Fog Lights
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ROSTRA Fits: 2.7L V6 640502
🇺🇸 US
with Fog Lightswithout Automatic Headlights
View on
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STANDARD MOTOR PRODUCTS Fits: 2.7L V6 CBS1826
🇺🇸 US
with automatic headlights
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WELLS Fits: 2.7L V6 1S11443
🇺🇸 US
with Automatic Headlightswithout Fog Lights
View on
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WELLS Fits: 2.7L V6 1S11435
🇺🇸 US
without Automatic Headlightswithout Fog Lights
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WELLS Fits: 2.7L V6 1S11440
🇺🇸 US
with Automatic Headlightswith Fog Lights
View on
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Brand Part Number Markets Notes Buy
KIA Fits: 2.7L V6 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
ROSTRA Fits: 2.7L V6 740197
🇺🇸 US
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STANDARD MOTOR PRODUCTS Fits: 2.7L V6 WP468
🇺🇸 US
with Speed Sensitive Intermittent Wipers
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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 2009 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. Every electrical switch & relay part here is 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 2009 Kia Optima?

Our catalog currently lists 121 electrical switch & relay parts for the 2009 Kia Optima across 22 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 2009 Kia Optima engines?

Yes. Every electrical switch & relay part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. 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 2009 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 2009 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 2009 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 2009 Kia Optima

Electrical Switch & Relay Parts for Other Kia Optima Years

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