2021 Toyota 4RUNNER 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 2021 Toyota 4RUNNER, from SYLVANIA, WAGNER and HELLA. 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 3 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.

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

12 Daytime Running Light Bulb parts for the 2021 Toyota 4RUNNER come from 3 brands — SYLVANIA, WAGNER and HELLA. 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.

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.

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

HELLA supplies the 5 Dome Light Bulb parts for the 2021 Toyota 4RUNNER. HELLA DE3175 carries the "Popular" badge.

The Extended Life section: 1 option from HELLA. HELLA DE3175LL is listed in this group.

The Standard Replacement section: 1 option from HELLA. HELLA DE3175 is listed in this group.

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

Listed part numbers: HELLA DE3175, HELLA DE3175LL and HELLA 226971121, plus the other parts above.

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. Read more

6 Door Panel Light Bulb parts for the 2021 Toyota 4RUNNER come from 2 brands — SYLVANIA and HELLA. The "Popular" part is SYLVANIA 168LL.

Extended Life: 2 parts, from SYLVANIA and HELLA. A representative part number is SYLVANIA 168LL.

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: 1 option from SYLVANIA. SYLVANIA 168SL is listed in this group.

Standard Replacement: 2 parts, from HELLA and SYLVANIA. A representative part number is HELLA 168.

Part numbers include SYLVANIA 168LL and SYLVANIA 168ST, among others listed above.

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. Read more

This group shows a single part: HELLA H16.

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

17 Headlamp Bulb parts for the 2021 Toyota 4RUNNER come from 3 brands — WAGNER, SYLVANIA and HELLA. The "Popular" part is HELLA 9005.

Extended Life: 2 parts, from SYLVANIA and WAGNER. A representative part number is SYLVANIA 9005LL.

Extra Bright (improved visibility, but shorter life): 9 parts, from SYLVANIA, WAGNER and HELLA. A representative part number is HELLA H1120.

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

Standard Replacement: 5 parts, from WAGNER, HELLA and SYLVANIA. A representative part number is HELLA 9005.

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

4 Headlamp Socket parts for the 2021 Toyota 4RUNNER come from 3 brands — STANDARD MOTOR PRODUCTS, ACDELCO and WALKER PRODUCTS.

Part numbers include ACDELCO LS255, STANDARD MOTOR PRODUCTS HP3970 and STANDARD MOTOR PRODUCTS S524, among others listed above.

This table covers the LED Bulb adapters. Read more

2 LED Bulb Adapter parts for the 2021 Toyota 4RUNNER come from WAGNER.

This group includes WAGNER CB900590069012 and WAGNER CBH8H11H16.

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

7 License Plate Lamp Bulb parts are listed for the 2021 Toyota 4RUNNER, from SYLVANIA, HELLA and PHILIPS. SYLVANIA 168LL carries the "Popular" badge.

The Extended Life section: 2 options from SYLVANIA and HELLA. SYLVANIA 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: 3 options from HELLA, PHILIPS and SYLVANIA. HELLA 168 is listed in this group.

Part numbers include SYLVANIA 168LL and SYLVANIA 168ST, among others listed above.

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

HELLA supplies both parts for the 2021 Toyota 4RUNNER.

The Extended Life section: 1 option from HELLA. HELLA 168LL is listed in this group.

The Standard Replacement section: 1 option from HELLA. HELLA 168 is listed in this group.

Listed part numbers: HELLA 168LL and HELLA 168.

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

4 Parking Lamp Bulb parts for the 2021 Toyota 4RUNNER come from 3 brands — WAGNER, PHILIPS and SYLVANIA.

Extended Life: 3 parts, from PHILIPS, SYLVANIA and WAGNER. A representative part number is PHILIPS 7444NALL.

Standard Replacement: 1 part, from WAGNER. A representative part number is WAGNER 7444NA.

This group includes PHILIPS 7444NALL and the remaining parts above.

This table covers the sockets that hold a Side Marker 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. Read more

One part is listed for the 2021 Toyota 4RUNNER — STANDARD MOTOR PRODUCTS S2658.

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

7 Side Marker Light Bulb parts are listed for the 2021 Toyota 4RUNNER, from SYLVANIA, HELLA and PHILIPS. SYLVANIA 168LL carries the "Popular" badge.

The Extended Life section: 3 options from SYLVANIA, HELLA and PHILIPS. SYLVANIA 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: 2 options from HELLA and SYLVANIA. HELLA 168 is listed in this group.

Listed part numbers: SYLVANIA 168LL and PHILIPS 12396NALL, plus the other parts above.

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. Read more

SYLVANIA supplies the 7 Step / Courtesy Light Bulb parts for the 2021 Toyota 4RUNNER. SYLVANIA 168LL carries the "Popular" badge.

The Extended Life section: 1 option from SYLVANIA. SYLVANIA 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): 4 parts, from SYLVANIA. A representative part number is SYLVANIA 168SL.

The Standard Replacement section: 1 option from SYLVANIA. SYLVANIA 168 is listed in this group.

Listed part numbers: SYLVANIA 168LL, SYLVANIA 168ST and SYLVANIA 168SL, plus the other 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

5 Trunk / Cargo Area Light Bulb parts for the 2021 Toyota 4RUNNER come from HELLA. The "Popular" part is HELLA DE3175.

Extended Life: 1 part, from HELLA. A representative part number is HELLA DE3175LL.

Standard Replacement: 1 part, from HELLA. A representative part number is HELLA DE3175.

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

This group includes HELLA DE3175, HELLA DE3175LL and HELLA 226971121 and the remaining parts above.

This table covers the replacement bulbs for the Turn Signal Indicator 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

This group shows a single part: PHILIPS 194RLED.

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

10 Turn Signal Lamp Bulb parts are listed for the 2021 Toyota 4RUNNER, from PHILIPS, SYLVANIA, WAGNER and 1 other brand. PHILIPS 1156NALL carries the "Popular" badge.

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

LED (instant-on, long life, energy-saving): 2 parts, from PHILIPS. A representative part number is PHILIPS 194RLED.

The Standard Replacement section: 3 options from HELLA, SYLVANIA and WAGNER. HELLA 7440NA is listed in this group.

This table covers the sockets that hold a Turn Signal 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. Read more

One part is listed for the 2021 Toyota 4RUNNER — STANDARD MOTOR PRODUCTS S2655.

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

2 Vanity Mirror / Sun Visor Light Bulb parts for the 2021 Toyota 4RUNNER come from PHILIPS.

The LED (instant-on, long life, energy-saving) section: 1 option from PHILIPS. PHILIPS 194RLED is listed in this group.

Standard Replacement: 1 part, from PHILIPS. A representative part number is PHILIPS 12961.

This group includes PHILIPS 194RLED and PHILIPS 12961.