This page lists 67 electrical bulb & socket parts for the 2004 Kia Optima, across 8 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 2004 Kia Optima, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination. Most of the listed parts are Fog / Driving Lamp Bulb (22 parts), Door Panel Light Bulb (11 parts) and Back Up / Reverse Lamp Bulb (9 parts). The other 5 part types cover the remaining 25 parts.
The 2004 Kia Optima was sold with both the 2.4L L4 and the 2.7L V6. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2004 Kia Optima electrical bulb & socket parts are SYLVANIA (23 parts), HELLA (18 parts) and WAGNER (17 parts), plus 6 more brands. Quality grades include Standard Replacement, Extended Life and LED.
16 parts on this 2004 Kia Optima page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including SYLVANIA 921LL (Back Up / Reverse Lamp Bulb) and SYLVANIA 2357LL (Brake Light Bulb). Click any part number to see every vehicle that part fits.
Back Up / Reverse Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: 2.7L V6 | 921LL | 🇺🇸 US | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| HELLA Fits: 2.7L V6 | 921LL | 🇺🇸 US | IncandescentLong Life | View on Amazon |
| WAGNER Fits: 2.7L V6 | 921LL | 🇺🇸 US | Long LifeWedge Base | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 2.7L V6 | 921ST | 🇺🇸 US | Cool WhiteSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: 2.7L V6 | 921WLED | 🇺🇸 US | LEDWhite | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: 2.7L V6 | 921 | 🇺🇸 US | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| HELLA Fits: 2.7L V6 | 6418 | 🇺🇸 US | IncandescentSocket Type Bulb: SV8.5-8 | View on Amazon |
| SYLVANIA Fits: 2.7L V6 | 921 | 🇺🇸 US | Base Type: W2.1x9.2dWattage: 18.00 W | View on Amazon |
| WAGNER Fits: 2.7L V6 | 921 | 🇺🇸 US | Bulb Type: T-5 Bulb 5/8 (16mm) DiameterVoltage: 12.800 Volts (Direct Current) | View on Amazon |
This table covers the bulbs in the reverse lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
9 Back Up / Reverse Lamp Bulb parts are listed for the 2004 Kia Optima, from SYLVANIA, HELLA and WAGNER. SYLVANIA 921LL carries the "Popular" badge.
The Extended Life section lists 3 options from SYLVANIA, HELLA and WAGNER — grouped under the catalog's "Extended Life" designation — the notes column spells out what sets them apart. SYLVANIA 921LL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section lists 1 option from SYLVANIA — grouped under the catalog's "Extra Bright (improved visibility, but shorter life)" designation — the notes column spells out what sets them apart. SYLVANIA 921ST is listed in this group.
In the LED (instant-on, long life, energy-saving) grade, WAGNER supplies 1 part: grouped under the catalog's "LED (instant-on, long life, energy-saving)" designation — the notes column spells out what sets them apart. A representative part number is WAGNER 921WLED.
The Standard Replacement section lists 4 options from HELLA, SYLVANIA and WAGNER — built to original-equipment specification. HELLA 921 is listed in this group.
Listed part numbers: SYLVANIA 921LL, plus the other parts above.
Brake Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: 2.7L V6 | 2357LL | 🇺🇸 US | Base Type: BAY15DLong Life | View on Amazon |
| WAGNER Fits: 2.7L V6 | 2357LL | 🇺🇸 US | Long LifeSecondary Voltage: 14.000 Volts (Direct Current) | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 2.7L V6 | 2357RSL | 🇺🇸 US | LED | View on Amazon |
| SYLVANIA Fits: 2.7L V6 | 2357SL | 🇺🇸 US | LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: 2.7L V6 | 2357 | 🇺🇸 US | Base Type: BAY15DWattage: 28.50 W | View on Amazon |
| GM GENUINE Fits: 2.7L V6 | L2357 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HELLA Fits: 2.7L V6 | 2357 | 🇺🇸 US | IncandescentBulb Material Color: Clear | View on Amazon |
| WAGNER Fits: 2.7L V6 | 2357 | 🇺🇸 US | Double Contact Index Base28.540 Watt | View on Amazon |
This table covers the bulbs in the stop lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
8 Brake Light Bulb parts are listed for the 2004 Kia Optima, from SYLVANIA, WAGNER, GM GENUINE and 1 other brand. SYLVANIA 2357LL carries the "Popular" badge.
The Extended Life section: 2 options from SYLVANIA and WAGNER. SYLVANIA 2357LL is listed in this group.
LED (instant-on, long life, energy-saving): 2 parts, from SYLVANIA. A representative part number is SYLVANIA 2357RSL.
The Standard Replacement section: 4 options from SYLVANIA, GM GENUINE, HELLA and 1 other brand. SYLVANIA 2357 is listed in this group.
This group includes SYLVANIA 2357LL and SYLVANIA 2357RSL and the remaining parts above.
Brake Light Bulb - High Mount
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: 2.7L V6 | 921LL | 🇺🇸 US | IncandescentLong Life | View on Amazon |
| SYLVANIA Fits: 2.7L V6 | 921LL | 🇺🇸 US | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| WAGNER Fits: 2.7L V6 | 921LL | 🇺🇸 US | Long LifeWedge Base | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 2.7L V6 | 921ST | 🇺🇸 US | Cool WhiteSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: 2.7L V6 | 921LED5K | 🇺🇸 US | LED Miniature Bulb with Color Temperature of 5000KSocket Type Bulb: SV8.5-8 | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: 2.7L V6 | 921 | 🇺🇸 US | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| SYLVANIA Fits: 2.7L V6 | 921 | 🇺🇸 US | Base Type: W2.1x9.2dWattage: 18.00 W | View on Amazon |
| WAGNER Fits: 2.7L V6 | 921 | 🇺🇸 US | Bulb Type: T-5 Bulb 5/8 (16mm) DiameterVoltage: 12.800 Volts (Direct Current) | View on Amazon |
This table covers the bulbs in the high-mount stop lamp. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes.
8 Brake Light Bulb - High Mount parts are listed for the 2004 Kia Optima, from HELLA, SYLVANIA and WAGNER. HELLA 921LED5K carries the "Popular" badge.
The Extended Life section: 3 options from HELLA, SYLVANIA and WAGNER. HELLA 921LL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 921ST is listed in this group.
LED (instant-on, long life, energy-saving): 1 part, from HELLA. A representative part number is HELLA 921LED5K.
The Standard Replacement section: 3 options from HELLA, SYLVANIA and WAGNER. HELLA 921 is listed in this group.
This group includes HELLA 921LED5K and HELLA 921LL and the remaining parts above.
Dome Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Popular Fits: 2.7L V6 | 12100LL | 🇺🇸 US | Long LifeSV8.5 Base | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 2.7L V6 | 6461WSMD | 🇺🇸 US | Bulb Type 6461 | View on Amazon |
| WAGNER Fits: 2.7L V6 | DE3175WLED | 🇺🇸 US | LEDWhite | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Popular Fits: 2.7L V6 | 12100 | 🇺🇸 US | SV8.5 Base10.010 Watt | View on Amazon |
| PHILIPS Fits: 2.7L V6 | 12854 | 🇺🇸 US | View on Amazon | |
| SYLVANIA Fits: 2.7L V6 | 6461 | 🇺🇸 US | View on Amazon |
This table covers the bulbs in the dome lamp. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
6 Dome Light Bulb parts are listed for the 2004 Kia Optima, from WAGNER, DORMAN, PHILIPS and 1 other brand. WAGNER 12100LL carries the "Popular" badge.
The Extended Life section: 1 option from WAGNER. WAGNER 12100LL is listed in this group.
LED (instant-on, long life, energy-saving): 2 parts, from DORMAN and WAGNER. A representative part number is DORMAN 6461WSMD.
The Standard Replacement section: 3 options from WAGNER, PHILIPS and SYLVANIA. WAGNER 12100 is listed in this group.
This group includes WAGNER 12100LL, DORMAN 6461WSMD and WAGNER DE3175WLED and the remaining parts above.
Door Panel Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: 2.7L V6 | 194LL | 🇺🇸 US | IncandescentLong Life | View on Amazon |
| SYLVANIA Fits: 2.7L V6 | 168LL | 🇺🇸 US | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| WAGNER Fits: 2.7L V6 | 168LL | 🇺🇸 US | Long LifeWedge Base | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 2.7L V6 | 168ST | 🇺🇸 US | Cool WhiteSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: 2.7L V6 | 921LED5K | 🇺🇸 US | LED Miniature Bulb with Color Temperature of 5000KSocket Type Bulb: SV8.5-8 | View on Amazon |
| SYLVANIA Fits: 2.7L V6 | 168SL | 🇺🇸 US | LEDCool White | View on Amazon |
| WAGNER Fits: 2.7L V6 | T10LED | 🇺🇸 US | Tru View PLUS LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: 2.7L V6 | 194 | 🇺🇸 US | Brightness: 2.0 CPIncandescent | View on Amazon |
| HELLA Popular Fits: 2.7L V6 | 168 | 🇺🇸 US | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| WAGNER Popular Fits: 2.7L V6 | 168 | 🇺🇸 US | Wedge Base4.900 Watt | View on Amazon |
| SYLVANIA Fits: 2.7L V6 | 168 | 🇺🇸 US | Base Type: W2.1x9.2dWattage: 4.90 W | View on Amazon |
This table covers the replacement bulbs for the Door Panel Light. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
11 Door Panel Light Bulb parts for the 2004 Kia Optima come from 3 brands — HELLA, SYLVANIA and WAGNER. The "Popular" part is HELLA 194.
Extended Life: 3 parts, from HELLA, SYLVANIA and WAGNER. A representative part number is HELLA 194LL.
Extra Bright (improved visibility, but shorter life): 1 part, from SYLVANIA. A representative part number is SYLVANIA 168ST.
The LED (instant-on, long life, energy-saving) section: 3 options from HELLA, SYLVANIA and WAGNER. HELLA 921LED5K is listed in this group.
Standard Replacement: 4 parts, from HELLA, WAGNER and SYLVANIA. A representative part number is HELLA 194.
Fog / Driving Lamp Bulb
Blue-Coated (stylish, bright-white look)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: 2.7L V6 | H71070367 | 🇺🇸 US | Extreme WhiteHalogen | View on Amazon |
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: 2.7L V6 | 9006LL | 🇺🇸 US | HalogenSocket Type Bulb: P22D | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: 2.7L V6 | 9006P50 | 🇺🇸 US | HalogenPerformance 50+ | View on Amazon |
| WAGNER Popular Fits: 2.7L V6 | 9006BLX | 🇺🇸 US | P22D Base55.000 Watt | View on Amazon |
| HELLA Fits: 2.7L V6 | 900680W | 🇺🇸 US | HalogenSocket Type Bulb: PG13 or Socket Type Bulb: P22D | View on Amazon |
| HELLA Fits: 2.7L V6 | 900620 | 🇺🇸 US | HalogenSocket Type Bulb: P22D | View on Amazon |
| SYLVANIA Fits: 2.7L V6 | 9006XV | 🇺🇸 US | Xtra VisionColor Temperature: 3200 KV | View on Amazon |
| SYLVANIA Fits: 2.7L V6 | 9006SU | 🇺🇸 US | Silver Star UltraColor Temperature: 4100 KV | View on Amazon |
| SYLVANIA Fits: 2.7L V6 | 9006ST | 🇺🇸 US | Color Temperature: 4000 KVSilver Star | View on Amazon |
| SYLVANIA Fits: 2.7L V6 | 9006SZG | 🇺🇸 US | Silver Star zXe GOLDColor Temperature: 4200 KV | View on Amazon |
| WAGNER Fits: 2.7L V6 | 9006TVX | 🇺🇸 US | P22D Base55.000 Watt | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 2.7L V6 | 9006LEDSP | 🇺🇸 US | LEDBase Type: P22D | View on Amazon |
| SYLVANIA Fits: 2.7L V6 | 9006SL | 🇺🇸 US | LED | View on Amazon |
| SYLVANIA Fits: 2.7L V6 | 9006LEDHP | 🇺🇸 US | LED ULTRABase Type: P22D | View on Amazon |
| WAGNER Fits: 2.7L V6 | 9006LED | 🇺🇸 US | LED | View on Amazon |
Reduced Glare (for rain, fog, snow, or rural driving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: 2.7L V6 | 9006YL | 🇺🇸 US | Halogen2900K | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: 2.7L V6 | 9006 | 🇺🇸 US | HalogenSocket Type Bulb: P22D or Socket Type Bulb: PG13 | View on Amazon |
| SYLVANIA Popular Fits: 2.7L V6 | 9006 | 🇺🇸 US | Base Type: P22DWattage: 55.00 W | View on Amazon |
| WAGNER Popular Fits: 2.7L V6 | 9006 | 🇺🇸 US | Voltage: 12.800 Volts (Direct Current)Right Angle Special Base | View on Amazon |
| GM GENUINE Fits: 2.7L V6 | 9006 | 🇺🇸 US 🇨🇦 CA | 2 Prong Connector | View on Amazon |
| PILOT AUTOMOTIVE Fits: 2.7L V6 | WIH1XP | 🇺🇸 US 🇨🇦 CA | Exterior Bulbs, Fog Light | View on Amazon |
| PILOT AUTOMOTIVE Fits: 2.7L V6 | XBH1B | 🇺🇸 US 🇨🇦 CA | Driving And Fog LightFOG LIGHT | View on Amazon |
This table covers the bulbs in the fog and driving lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
22 Fog / Driving Lamp Bulb parts for the 2004 Kia Optima come from 5 brands — SYLVANIA, HELLA, WAGNER and 2 other brands. The "Popular" part is HELLA 9006P50.
In the Blue-Coated (stylish, bright-white look) grade, HELLA supplies 1 part: grouped under the catalog's "Blue-Coated (stylish, bright-white look)" designation — the notes column spells out what sets them apart. A representative part number is HELLA H71070367.
Extended Life: 1 part, from HELLA. A representative part number is HELLA 9006LL.
Extra Bright (improved visibility, but shorter life): 9 parts, from SYLVANIA, HELLA and WAGNER. A representative part number is HELLA 9006P50.
The LED (instant-on, long life, energy-saving) section: 4 options from SYLVANIA and WAGNER. SYLVANIA 9006LEDSP is listed in this group.
The Reduced Glare (for rain, fog, snow, or rural driving) section lists 1 option from HELLA — grouped under the catalog's "Reduced Glare (for rain, fog, snow, or rural driving)" designation — the notes column spells out what sets them apart. HELLA 9006YL is listed in this group.
Standard Replacement: 6 parts, from PILOT AUTOMOTIVE, HELLA, SYLVANIA and 2 other brands. A representative part number is HELLA 9006.
Fog / Driving Lamp Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 2.7L V6 | LWH110 | 🇺🇸 US | Blue StreakHigh Temperature | View on Amazon |
| WELLS Fits: 2.7L V6 | 1P3543 | 🇺🇸 US | Used with H1, H3 BulbWiring Harness | View on Amazon |
This table covers the sockets that hold a Fog / Driving Lamp bulb. Typical signs include a flicker over bumps, melted plastic, or a bulb that will not stay seated. Dielectric grease on the contacts slows corrosion. Do not force a bulb into a heat-damaged socket.
2 Fog / Driving Lamp Socket parts for the 2004 Kia Optima come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS.
Listed part numbers: STANDARD MOTOR PRODUCTS LWH110 and WELLS 1P3543.
Glove Box Light Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Fits: 2.7L V6 | 74 | 🇺🇸 US | View on Amazon |
This table covers the bulbs in the glove-box lamp. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
This group shows a single part: PHILIPS 74.
Buying Electrical Bulb & Socket Parts for a 2004 Kia Optima
On this vehicle, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination.
- Match the engine first. Every electrical bulb & socket 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, replace bulbs in pairs so both sides age together, and put a smear of dielectric grease on the new socket contacts.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Fog / Driving Lamp Bulb and Door Panel Light Bulb .
Frequently Asked Questions
How many electrical bulb & socket parts fit the 2004 Kia Optima?
Our catalog currently lists 67 electrical bulb & socket parts for the 2004 Kia Optima across 8 subcategories and 9 brands, covering both the 2.4L L4 and the 2.7L V6. Each part is matched to the engine(s) it fits.
Do electrical bulb & socket parts differ between 2004 Kia Optima engines?
Yes. Every electrical bulb & socket 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 bulb & socket problems on a 2004 Kia Optima?
Common symptoms include a lamp that flickers over bumps, melted or discolored socket plastic, or bulbs that keep failing early on one side. 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, replace bulbs in pairs so both sides age together, and put a smear of dielectric grease on the new socket contacts.
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 2004 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 2004 Kia Optima?
First match the engine — each row shows which engine(s) the part fits. Then repeated bulb failure in one position usually means a socket or ground problem, not bad bulbs — replace the socket rather than chase it. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2004 Kia Optima
Electrical Bulb & Socket Parts for Other Kia Optima Years
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