2018 Hyundai Sonata Electrical Bulb & Socket Parts

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. Read more

8 Back Up / Reverse Lamp Bulb parts are listed for the 2018 Hyundai Sonata, from SYLVANIA, WAGNER and HELLA. SYLVANIA 921LL carries the "Popular" badge.

The Extended Life section lists 2 options from SYLVANIA 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.

This group includes SYLVANIA 921LL and SYLVANIA 921ST and the remaining parts above.

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. Read more

8 Brake Light Bulb parts are listed for the 2018 Hyundai Sonata, 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.

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. Read more

This group shows a single part: PHILIPS 1157WLED.

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. Read more

10 Dome Light Bulb parts are listed for the 2018 Hyundai Sonata, from SYLVANIA, WAGNER and HELLA. HELLA DE3175 carries the "Popular" badge.

The Extended Life section: 2 options from SYLVANIA and WAGNER. SYLVANIA DE3175LL is listed in this group.

LED (instant-on, long life, energy-saving): 3 parts, from SYLVANIA and WAGNER. A representative part number is SYLVANIA DE3175BSL.

The Standard Replacement section: 3 options from HELLA, SYLVANIA and WAGNER. HELLA DE3175 is listed in this group.

2 ungrouped parts are not assigned to a grade, with the same engine-level match.

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. Read more

15 Headlamp Bulb parts for the 2018 Hyundai Sonata come from 4 brands — SYLVANIA, WAGNER, HELLA and 1 other brand. The "Popular" part is HELLA 9005.

Extended Life: 1 part, from SYLVANIA. A representative part number is SYLVANIA 9005LL.

Extra Bright (improved visibility, but shorter life): 6 parts, from SYLVANIA and WAGNER. A representative part number is SYLVANIA 9005XV.

In the HID (intense white light) grade, HELLA 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 HELLA D3S4300K.

The LED (instant-on, long life, energy-saving) section: 1 option from SYLVANIA. SYLVANIA 9005SL is listed in this group.

Standard Replacement: 4 parts, from WAGNER, HELLA and SYLVANIA. A representative part number is HELLA 9005.

2 further parts sit outside the graded sections, with the same engine-level match.

This table covers the sockets that hold a headlamp bulb in the housing. 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. Read more

5 Headlamp Socket parts for the 2018 Hyundai Sonata come from 4 brands — STANDARD MOTOR PRODUCTS, ACDELCO, WALKER PRODUCTS and 1 other brand. The "Popular" part is STANDARD MOTOR PRODUCTS S524.

Listed part numbers: STANDARD MOTOR PRODUCTS S524, ACDELCO LS255 and STANDARD MOTOR PRODUCTS HP3970, plus the other parts above.

This table covers the LED Bulb adapters. Read more

This group shows a single part: WAGNER CB900590069012.

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. Read more

10 License Plate Lamp Bulb parts are listed for the 2018 Hyundai Sonata, from SYLVANIA, HELLA, WAGNER and 2 other brands. HELLA 168 carries the "Popular" badge.

The Extended Life section: 3 options from HELLA, SYLVANIA and WAGNER. HELLA 168LL is listed in this group.

The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 168ST is listed in this group.

LED (instant-on, long life, energy-saving): 1 part, from SYLVANIA. A representative part number is SYLVANIA 168SL.

The Standard Replacement section: 4 options from HELLA, WAGNER, GM GENUINE and 1 other brand. HELLA 168 is listed in this group.

1 ungrouped part is not assigned to a grade, with the same engine-level match.

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. Read more

10 Map / Reading Light Bulb parts are listed for the 2018 Hyundai Sonata, from SYLVANIA, WAGNER and HELLA. HELLA DE3175 carries the "Popular" badge.

The Extended Life section: 2 options from SYLVANIA and WAGNER. SYLVANIA DE3175LL is listed in this group.

LED (instant-on, long life, energy-saving): 3 parts, from SYLVANIA and WAGNER. A representative part number is SYLVANIA DE3175BSL.

The Standard Replacement section: 3 options from HELLA, SYLVANIA and WAGNER. HELLA DE3175 is listed in this group.

2 ungrouped parts are not assigned to a grade, with the same engine-level match.

This table covers the replacement bulbs for the Parking Brake Warning 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. Read more

One part is listed for the 2018 Hyundai Sonata — PEAK 2357.

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. Read more

7 Parking Lamp Bulb parts for the 2018 Hyundai Sonata come from 4 brands — SYLVANIA, WAGNER, HELLA and 1 other brand. The "Popular" part is HELLA 2357NA.

Extended Life: 2 parts, from SYLVANIA and WAGNER. A representative part number is SYLVANIA 2357ALL.

The LED (instant-on, long life, energy-saving) section: 1 option from SYLVANIA. SYLVANIA 2357ASL is listed in this group.

Standard Replacement: 4 parts, from HELLA, SYLVANIA, GM GENUINE and 1 other brand. A representative part number is HELLA 2357NA.

Part numbers include HELLA 2357NA, SYLVANIA 2357ALL and WAGNER 2357NALL, among others listed above.

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. Read more

9 Side Marker Light Bulb parts are listed for the 2018 Hyundai Sonata, from HELLA, SYLVANIA, WAGNER and 2 other brands. HELLA 168 carries the "Popular" badge.

The Extended Life section: 3 options from HELLA, SYLVANIA and WAGNER. HELLA 168LL is listed in this group.

The Standard Replacement section: 5 options from HELLA, WAGNER, GM GENUINE and 1 other brand. HELLA 168 is listed in this group.

1 ungrouped part is not assigned to a grade, with the same engine-level match.

Listed part numbers: HELLA 168, HELLA 168LL and SYLVANIA 2827LL, plus the other parts above.

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. Read more

7 Tail Lamp Bulb parts for the 2018 Hyundai Sonata come from 5 brands — SYLVANIA, WAGNER, GM GENUINE and 2 other brands. The "Popular" part is SYLVANIA 2357LL.

Extended Life: 2 parts, from SYLVANIA and WAGNER. A representative part number is SYLVANIA 2357LL.

Standard Replacement: 4 parts, from SYLVANIA, GM GENUINE, HELLA and 1 other brand. A representative part number is SYLVANIA 2357.

1 further part sits outside the graded sections, with the same engine-level match.

This group includes SYLVANIA 2357LL and SYLVANIA 2357 and the remaining parts above.

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. Read more

10 Trunk / Cargo Area Light Bulb parts for the 2018 Hyundai Sonata come from 3 brands — SYLVANIA, WAGNER and HELLA. The "Popular" part is HELLA DE3175.

Extended Life: 2 parts, from SYLVANIA and WAGNER. A representative part number is SYLVANIA DE3175LL.

The LED (instant-on, long life, energy-saving) section: 3 options from SYLVANIA and WAGNER. SYLVANIA DE3175BSL is listed in this group.

Standard Replacement: 3 parts, from HELLA, SYLVANIA and WAGNER. A representative part number is HELLA DE3175.

2 further parts sit outside the graded sections, with the same engine-level match.

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. Read more

16 Turn Signal Lamp Bulb parts are listed for the 2018 Hyundai Sonata, from WAGNER, SYLVANIA, HELLA and 2 other brands. HELLA 2357NA carries the "Popular" badge.

The Extended Life section: 5 options from SYLVANIA, WAGNER and HELLA. HELLA 1156LL is listed in this group.

LED (instant-on, long life, energy-saving): 2 parts, from WAGNER. A representative part number is WAGNER 1156NALED.

The Standard Replacement section: 8 options from HELLA, SYLVANIA, WAGNER and 2 other brands. HELLA 2357NA is listed in this group.

1 ungrouped part is not assigned to a grade, with the same engine-level match.

This table covers the replacement bulbs for the Vanity Mirror / Sun Visor 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. Read more

5 Vanity Mirror / Sun Visor Light Bulb parts for the 2018 Hyundai Sonata come from 3 brands — WAGNER, PHILIPS and HELLA. The "Popular" part is HELLA 6418.

Extended Life: 1 part, from WAGNER. A representative part number is WAGNER 11005LL.

HID (intense white light): 1 part, from PHILIPS. A representative part number is PHILIPS DE3423LL.

The LED (instant-on, long life, energy-saving) section: 1 option from WAGNER. WAGNER 6418WLED is listed in this group.

Standard Replacement: 2 parts, from HELLA and WAGNER. A representative part number is HELLA 6418.

Part numbers include HELLA 6418, WAGNER 11005LL and PHILIPS DE3423LL, among others listed above.