This page lists 66 electrical bulb & socket parts for the 2021 Kia K5, across 16 part types, covering both the 1.6L L4 Turbocharged and the 2.5L L4 Turbocharged. Every part shows its brand, manufacturer part number and fitment notes.
On the 2021 Kia K5, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination. 26 parts of the 66 listed are Tail Lamp Bulb (11 parts), Back Up / Reverse Lamp Bulb (9 parts) and Brake Light Bulb (6 parts). The other 13 part types cover the remaining 40 parts.
The 2021 Kia K5 was sold with both the 1.6L L4 Turbocharged and the 2.5L L4 Turbocharged. 59 parts fit every engine; the other 7 are engine-specific. Each part shows which engine(s) it fits.
4 brands supply electrical bulb & socket parts for the 2021 Kia K5, led by HELLA (24 parts), SYLVANIA (20 parts) and WAGNER (17 parts), plus 1 more brand. Quality grades include Standard Replacement, Extended Life and Extra Bright.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2021 Kia K5. 12 parts have it, including SYLVANIA 921LL (Back Up / Reverse Lamp Bulb) and PHILIPS P215WLL (Brake Light Bulb). Each part number opens a page with every vehicle that part fits.
Back Up / Reverse Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: all 2021 K5 engines | 921LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| HELLA Fits: all 2021 K5 engines | 921LL | 🇺🇸 US 🇨🇦 CA | IncandescentLong Life | View on Amazon |
| WAGNER Fits: all 2021 K5 engines | 921LL | 🇺🇸 US 🇨🇦 CA | Long LifeWedge Base | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2021 K5 engines | 921ST | 🇺🇸 US 🇨🇦 CA | Cool WhiteSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: all 2021 K5 engines | 921WLED | 🇺🇸 US 🇨🇦 CA | LEDWhite | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: all 2021 K5 engines | 921 | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| HELLA Fits: all 2021 K5 engines | 3157NA | 🇺🇸 US 🇨🇦 CA | IncandescentNatural Amber | View on Amazon |
| SYLVANIA Fits: all 2021 K5 engines | 921 | 🇺🇸 US 🇨🇦 CA | Base Type: W2.1x9.2dWattage: 18.00 W | View on Amazon |
| WAGNER Fits: all 2021 K5 engines | 921 | 🇺🇸 US 🇨🇦 CA | 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 for the 2021 Kia K5 come from 3 brands — SYLVANIA, HELLA and WAGNER. The "Popular" part is SYLVANIA 921LL. Every part fits both the 1.6L L4 Turbocharged and the 2.5L L4 Turbocharged.
In the Extended Life grade, SYLVANIA, HELLA and WAGNER supply 3 parts: grouped under the catalog's "Extended Life" designation — the notes column spells out what sets them apart. A representative part number is SYLVANIA 921LL.
In the Extra Bright (improved visibility, but shorter life) grade, SYLVANIA supplies 1 part: grouped under the catalog's "Extra Bright (improved visibility, but shorter life)" designation — the notes column spells out what sets them apart. A representative part number is SYLVANIA 921ST.
The LED (instant-on, long life, energy-saving) section lists 1 option from WAGNER — grouped under the catalog's "LED (instant-on, long life, energy-saving)" designation — the notes column spells out what sets them apart. WAGNER 921WLED is listed in this group.
In the Standard Replacement grade, HELLA, SYLVANIA and WAGNER supply 4 parts: built to original-equipment specification. A representative part number is HELLA 921.
Part numbers include SYLVANIA 921LL, among others listed above.
Brake Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Popular Fits: all 2021 K5 engines | P215WLL | 🇺🇸 US 🇨🇦 CA | Longer Life | View on Amazon |
| HELLA Fits: all 2021 K5 engines | 3157LL | 🇺🇸 US 🇨🇦 CA | Incandescent27/8W | View on Amazon |
| SYLVANIA Fits: 1.6L L4 Turbocharged | 7528LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: BAY15D | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: all 2021 K5 engines | 3157 | 🇺🇸 US 🇨🇦 CA | Incandescent27/7W | View on Amazon |
| PHILIPS Fits: all 2021 K5 engines | P215W | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SYLVANIA Fits: 1.6L L4 Turbocharged | 7528 | 🇺🇸 US 🇨🇦 CA | Fits EX Modelwith Incandescent Tail Lightsor LX Model or LXS Model | 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.
6 Brake Light Bulb parts for the 2021 Kia K5 come from 3 brands — PHILIPS, HELLA and SYLVANIA. The "Popular" part is PHILIPS P215WLL. 4 parts fit every engine; the other 2 are engine-specific.
Extended Life: 3 parts, from PHILIPS, HELLA and SYLVANIA. A representative part number is PHILIPS P215WLL.
Standard Replacement: 3 parts, from HELLA, PHILIPS and SYLVANIA. A representative part number is HELLA 3157.
This group includes PHILIPS P215WLL, HELLA 3157LL and SYLVANIA 7528LL and the remaining parts above.
Brake Light Bulb - High Mount
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2021 K5 engines | 921LL | 🇺🇸 US 🇨🇦 CA | IncandescentLong Life | View on Amazon |
| HELLA Fits: all 2021 K5 engines | DE3175LL | 🇺🇸 US 🇨🇦 CA | IncandescentLong Life | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2021 K5 engines | 921 | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| HELLA Fits: all 2021 K5 engines | 921NA | 🇺🇸 US 🇨🇦 CA | IncandescentNatural Amber | 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.
4 Brake Light Bulb - High Mount parts for the 2021 Kia K5 come from HELLA. Every part fits both the 1.6L L4 Turbocharged and the 2.5L L4 Turbocharged.
Extended Life: 2 parts, from HELLA. A representative part number is HELLA 921LL.
Standard Replacement: 2 parts, from HELLA. A representative part number is HELLA 921.
This group includes HELLA 921LL, HELLA DE3175LL and HELLA 921 and the remaining parts above.
Cornering Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: all 2021 K5 engines | 9008LL | 🇺🇸 US 🇨🇦 CA | Long Life | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: all 2021 K5 engines | 9008TVX | 🇺🇸 US 🇨🇦 CA | HID Look | View on Amazon |
| WAGNER Fits: all 2021 K5 engines | 9008BLX | 🇺🇸 US 🇨🇦 CA | 80% More Light | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: all 2021 K5 engines | 9008 | 🇺🇸 US 🇨🇦 CA | Halogen | View on Amazon |
This table covers the replacement bulbs for the Cornering 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.
4 Cornering Lamp Bulb parts for the 2021 Kia K5 come from WAGNER. Every part fits both the 1.6L L4 Turbocharged and the 2.5L L4 Turbocharged.
Extended Life: 1 part, from WAGNER. A representative part number is WAGNER 9008LL.
Extra Bright (improved visibility, but shorter life): 2 parts, from WAGNER. A representative part number is WAGNER 9008TVX.
Standard Replacement: 1 part, from WAGNER. A representative part number is WAGNER 9008.
Listed part numbers: WAGNER 9008LL, WAGNER 9008TVX and WAGNER 9008BLX, plus the other parts above.
Daytime Running Light Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2021 K5 engines | H13 | 🇺🇸 US 🇨🇦 CA | Bulb Material Color: ClearHalogen | View on Amazon |
This table covers the bulbs used as daytime running 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.
One part is listed for the 2021 Kia K5 — HELLA H13.
Fog / Driving Lamp Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2021 K5 engines | H11 | 🇺🇸 US 🇨🇦 CA | HalogenSocket Type Bulb: PGJ19-2 or Socket Type Bulb: PGJY19-2 | 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.
One part is listed for the 2021 Kia K5 — HELLA H11.
Headlamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: all 2021 K5 engines | 9008LL | 🇺🇸 US 🇨🇦 CA | Long Life | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: all 2021 K5 engines | 9008TVX | 🇺🇸 US 🇨🇦 CA | HID Look | View on Amazon |
| WAGNER Fits: all 2021 K5 engines | 9008BLX | 🇺🇸 US 🇨🇦 CA | 80% More Light | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Popular Fits: all 2021 K5 engines | 9008 | 🇺🇸 US 🇨🇦 CA | High Beam and Low BeamHalogen | View on Amazon |
| HELLA Fits: all 2021 K5 engines | H13 | 🇺🇸 US 🇨🇦 CA | Bulb Material Color: ClearHalogen | View on Amazon |
This table covers the bulbs that light the headlamps. Typical signs include a dark lamp, a flicker over bumps, or a bulb that keeps failing on one side. Avoid touching a halogen capsule. Repeated failure in one socket is usually the socket or ground, not the bulb.
5 Headlamp Bulb parts are listed for the 2021 Kia K5, from WAGNER and HELLA. WAGNER 9008 carries the "Popular" badge. All of them fit every engine offered in the 2021 K5.
The Extended Life section: 1 option from WAGNER. WAGNER 9008LL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section: 2 options from WAGNER. WAGNER 9008TVX is listed in this group.
The Standard Replacement section: 2 options from WAGNER and HELLA. WAGNER 9008 is listed in this group.
Listed part numbers: WAGNER 9008, WAGNER 9008LL and WAGNER 9008TVX, plus the other parts above.
LED Bulb Adapter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: all 2021 K5 engines | CBH13 | 🇺🇸 US 🇨🇦 CA | For 9008 / H13 Bulb | View on Amazon |
This table covers the LED Bulb adapters.
One part is listed for the 2021 Kia K5 — WAGNER CBH13.
License Plate Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2021 K5 engines | 2825LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: W2.1x9.5d | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2021 K5 engines | 2825ST | 🇺🇸 US 🇨🇦 CA | BlueSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2021 K5 engines | 2825SL | 🇺🇸 US 🇨🇦 CA | LEDCool White | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: all 2021 K5 engines | 2825 | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| SYLVANIA Fits: all 2021 K5 engines | 2825 | 🇺🇸 US 🇨🇦 CA | Base Type: W2.1x9.5dWattage: 5.00 W | View on Amazon |
This table covers the bulbs that light the license plate. 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.
5 License Plate Lamp Bulb parts for the 2021 Kia K5 come from 2 brands — SYLVANIA and HELLA. The "Popular" part is HELLA 2825. Every part fits both the 1.6L L4 Turbocharged and the 2.5L L4 Turbocharged.
Extended Life: 1 part, from SYLVANIA. A representative part number is SYLVANIA 2825LL.
Extra Bright (improved visibility, but shorter life): 1 part, from SYLVANIA. A representative part number is SYLVANIA 2825ST.
The LED (instant-on, long life, energy-saving) section: 1 option from SYLVANIA. SYLVANIA 2825SL is listed in this group.
Standard Replacement: 2 parts, from HELLA and SYLVANIA. A representative part number is HELLA 2825.
Part numbers include HELLA 2825, SYLVANIA 2825LL and SYLVANIA 2825ST, among others listed above.
Map / Reading Light Bulb
HID (intense white light)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Fits: all 2021 K5 engines | DE3423LL | 🇺🇸 US 🇨🇦 CA | Longer Life | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: all 2021 K5 engines | 17136 | 🇺🇸 US 🇨🇦 CA | Medium Standard Miniature Lamp | View on Amazon |
This table covers the bulbs in the map / reading 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.
2 Map / Reading Light Bulb parts for the 2021 Kia K5 come from 2 brands — PHILIPS and WAGNER. Every part fits both the 1.6L L4 Turbocharged and the 2.5L L4 Turbocharged.
In the HID (intense white light) grade, PHILIPS supplies 1 part: grouped under the catalog's "HID (intense white light)" designation — the notes column spells out what sets them apart. A representative part number is PHILIPS DE3423LL.
Standard Replacement: 1 part, from WAGNER. A representative part number is WAGNER 17136.
This group includes PHILIPS DE3423LL and WAGNER 17136.
Parking Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2021 K5 engines | 4157NALL | 🇺🇸 US 🇨🇦 CA | IncandescentLong Life | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2021 K5 engines | 3157NA | 🇺🇸 US 🇨🇦 CA | IncandescentNatural Amber | View on Amazon |
This table covers the bulbs in the parking 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.
HELLA supplies both parts for the 2021 Kia K5. All of them fit every engine offered in the 2021 K5.
The Extended Life section: 1 option from HELLA. HELLA 4157NALL is listed in this group.
The Standard Replacement section: 1 option from HELLA. HELLA 3157NA is listed in this group.
Part numbers include HELLA 4157NALL and HELLA 3157NA.
Side Marker Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2021 K5 engines | 194LL | 🇺🇸 US 🇨🇦 CA | IncandescentLong Life | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2021 K5 engines | 194 | 🇺🇸 US 🇨🇦 CA | Brightness: 2.0 CPIncandescent | View on Amazon |
This table covers the bulbs in the side-marker 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.
2 Side Marker Light Bulb parts for the 2021 Kia K5 come from HELLA. Every part fits both the 1.6L L4 Turbocharged and the 2.5L L4 Turbocharged.
Extended Life: 1 part, from HELLA. A representative part number is HELLA 194LL.
Standard Replacement: 1 part, from HELLA. A representative part number is HELLA 194.
This group includes HELLA 194LL and HELLA 194.
Step / Courtesy Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2021 K5 engines | 194LL | 🇺🇸 US 🇨🇦 CA | IncandescentLong Life | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2021 K5 engines | 194 | 🇺🇸 US 🇨🇦 CA | Brightness: 2.0 CPIncandescent | View on Amazon |
This table covers the bulbs in the step and courtesy 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.
2 Step / Courtesy Light Bulb parts for the 2021 Kia K5 come from HELLA. Every part fits both the 1.6L L4 Turbocharged and the 2.5L L4 Turbocharged.
Extended Life: 1 part, from HELLA. A representative part number is HELLA 194LL.
Standard Replacement: 1 part, from HELLA. A representative part number is HELLA 194.
This group includes HELLA 194LL and HELLA 194.
Tail Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2021 K5 engines | 3157LL | 🇺🇸 US 🇨🇦 CA | Incandescent27/8W | View on Amazon |
| SYLVANIA Fits: 1.6L L4 Turbocharged | 2825LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: W2.1x9.5d | View on Amazon |
| SYLVANIA Fits: 1.6L L4 Turbocharged | 7528LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: BAY15D | View on Amazon |
| WAGNER Fits: all 2021 K5 engines | 194LL | 🇺🇸 US 🇨🇦 CA | Long LifeBulb Type: T-3-1/4 Bulb 13/32 (10mm) Diameter | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 1.6L L4 Turbocharged | 2825ST | 🇺🇸 US 🇨🇦 CA | BlueSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: all 2021 K5 engines | 194LEDW | 🇺🇸 US 🇨🇦 CA | LEDGlass:Clear (T3-1/4), Number of Filaments:1, Watts:3.78 (0.16 cp), Base:Wedge (W2.1x9.5d) | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: all 2021 K5 engines | 2825 | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| HELLA Popular Fits: all 2021 K5 engines | 3157 | 🇺🇸 US 🇨🇦 CA | Incandescent27/7W | View on Amazon |
| WAGNER Popular Fits: all 2021 K5 engines | 194 | 🇺🇸 US 🇨🇦 CA | Wedge Base3.780 Watt | View on Amazon |
| SYLVANIA Fits: 1.6L L4 Turbocharged | 2825 | 🇺🇸 US 🇨🇦 CA | Base Type: W2.1x9.5dWattage: 5.00 W | View on Amazon |
| SYLVANIA Fits: 1.6L L4 Turbocharged | 7528 | 🇺🇸 US 🇨🇦 CA | Fits OuterEX Model | View on Amazon |
This table covers the bulbs in the tail 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.
11 Tail Lamp Bulb parts are listed for the 2021 Kia K5, from SYLVANIA, HELLA and WAGNER. HELLA 2825 carries the "Popular" badge. 6 parts fit every engine; the other 5 are engine-specific.
The Extended Life section: 4 options from SYLVANIA, HELLA and WAGNER. HELLA 3157LL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 2825ST is listed in this group.
LED (instant-on, long life, energy-saving): 1 part, from WAGNER. A representative part number is WAGNER 194LEDW.
The Standard Replacement section: 5 options from HELLA, SYLVANIA and WAGNER. HELLA 2825 is listed in this group.
Trunk / Cargo Area Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: all 2021 K5 engines | 6418LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: Festoon | View on Amazon |
HID (intense white light)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Fits: all 2021 K5 engines | DE3423LL | 🇺🇸 US 🇨🇦 CA | Longer Life | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: all 2021 K5 engines | 6418SL | 🇺🇸 US 🇨🇦 CA | LEDCool White | View on Amazon |
| SYLVANIA Fits: all 2021 K5 engines | 6418LED | 🇺🇸 US 🇨🇦 CA | ZEVOCool White | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2021 K5 engines | 6418 | 🇺🇸 US 🇨🇦 CA | Base Type: SVWattage: 5.00 W | View on Amazon |
| WAGNER Fits: all 2021 K5 engines | 17136 | 🇺🇸 US 🇨🇦 CA | Medium Standard Miniature Lamp | View on Amazon |
This table covers the bulbs in the trunk or cargo-area 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 Trunk / Cargo Area Light Bulb parts are listed for the 2021 Kia K5, from SYLVANIA, PHILIPS and WAGNER. SYLVANIA 6418LL carries the "Popular" badge. All of them fit every engine offered in the 2021 K5.
The Extended Life section: 1 option from SYLVANIA. SYLVANIA 6418LL is listed in this group.
The HID (intense white light) section: 1 option from PHILIPS. PHILIPS DE3423LL is listed in this group.
LED (instant-on, long life, energy-saving): 2 parts, from SYLVANIA. A representative part number is SYLVANIA 6418SL.
The Standard Replacement section: 2 options from SYLVANIA and WAGNER. SYLVANIA 6418 is listed in this group.
Part numbers include SYLVANIA 6418LL, PHILIPS DE3423LL and SYLVANIA 6418SL, among others listed above.
Turn Signal Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2021 K5 engines | 4157NALL | 🇺🇸 US 🇨🇦 CA | IncandescentLong Life | View on Amazon |
| SYLVANIA Fits: all 2021 K5 engines | 2357ALL | 🇺🇸 US 🇨🇦 CA | Long LifeAmber | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Fits: all 2021 K5 engines | 1156ALED | 🇺🇸 US 🇨🇦 CA | Ultinon LEDAmber | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: all 2021 K5 engines | 2357A | 🇺🇸 US 🇨🇦 CA | Amber | View on Amazon |
| HELLA Fits: all 2021 K5 engines | 3157NA | 🇺🇸 US 🇨🇦 CA | IncandescentNatural Amber | View on Amazon |
This table covers the bulbs in the turn-signal 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.
5 Turn Signal Lamp Bulb parts for the 2021 Kia K5 come from 3 brands — HELLA, SYLVANIA and PHILIPS. The "Popular" part is SYLVANIA 2357A. Every part fits both the 1.6L L4 Turbocharged and the 2.5L L4 Turbocharged.
Extended Life: 2 parts, from HELLA and SYLVANIA. A representative part number is HELLA 4157NALL.
The LED (instant-on, long life, energy-saving) section: 1 option from PHILIPS. PHILIPS 1156ALED is listed in this group.
Standard Replacement: 2 parts, from SYLVANIA and HELLA. A representative part number is SYLVANIA 2357A.
Listed part numbers: SYLVANIA 2357A, HELLA 4157NALL and SYLVANIA 2357ALL, plus the other parts above.
Buying Electrical Bulb & Socket Parts for a 2021 Kia K5
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. Some electrical bulb & socket 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, 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: Tail Lamp Bulb and Back Up / Reverse Lamp Bulb .
Frequently Asked Questions
How many electrical bulb & socket parts fit the 2021 Kia K5?
Our catalog currently lists 66 electrical bulb & socket parts for the 2021 Kia K5 across 16 subcategories and 4 brands, covering both the 1.6L L4 Turbocharged and the 2.5L L4 Turbocharged. Each part is matched to the engine(s) it fits.
Do electrical bulb & socket parts differ between 2021 Kia K5 engines?
Some do. 59 parts fit every engine; the other 7 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 bulb & socket problems on a 2021 Kia K5?
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 2021 Kia K5 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 2021 Kia K5?
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 2021 Kia K5
Electrical Bulb & Socket Parts for Other Kia K5 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.