112 Electrical bulb & socket parts are listed for the 2021 Toyota Tundra, in 21 part types, covering the 5.7L V8 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2021 Toyota Tundra, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination. 35 parts of the 112 listed are Side Marker Light Bulb (14 parts), Headlamp Bulb (12 parts) and Turn Signal Lamp Bulb (9 parts). The other 18 part types cover the remaining 77 parts.
Every part on this page is matched to the 5.7L V8 — the only engine offered in the 2021 Toyota Tundra.
The most listed brands for 2021 Toyota Tundra electrical bulb & socket parts are SYLVANIA (50 parts), HELLA (31 parts) and WAGNER (13 parts), plus 4 more brands. Quality grades include Standard Replacement, Extended Life and Extra Bright.
24 parts on this 2021 Toyota Tundra page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including SYLVANIA 7440LL (Back Up / Reverse Lamp Bulb) and HELLA 3157 (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 | 7440LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeBase Type: W3X16D | View on Amazon |
| WAGNER | 7440LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeSingle Contact Wedge Base | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 7440ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Cool WhiteSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER | 7440WLED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDWhite | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 7440 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: W3X16D | View on Amazon |
| SYLVANIA | 7440 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: W3X16DWattage: 25.00 W | View on Amazon |
| WAGNER | 7440 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Single Contact Wedge Base21.000 Watt | 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.
7 Back Up / Reverse Lamp Bulb parts are listed for the 2021 Toyota Tundra, from SYLVANIA, WAGNER and HELLA. SYLVANIA 7440LL 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 7440LL 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 7440ST 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 7440WLED.
The Standard Replacement section lists 3 options from HELLA, SYLVANIA and WAGNER — built to original-equipment specification. HELLA 7440 is listed in this group.
Listed part numbers: SYLVANIA 7440LL and SYLVANIA 7440ST, plus the other parts above.
Brake Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 3157LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Incandescent27/8W | View on Amazon |
| SYLVANIA | 3157LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: W2.5x16qLong Life | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 3157ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Silver StarCool White | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS | 3157RLED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Ultinon LEDRed | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 3157 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Incandescent27/7W | View on Amazon |
| SYLVANIA Popular | 3157 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: W2.5x16qWattage: 27.00 W | 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 are listed for the 2021 Toyota Tundra, from SYLVANIA, HELLA and PHILIPS. HELLA 3157 carries the "Popular" badge.
The Extended Life section: 2 options from HELLA and SYLVANIA. HELLA 3157LL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 3157ST is listed in this group.
LED (instant-on, long life, energy-saving): 1 part, from PHILIPS. A representative part number is PHILIPS 3157RLED.
The Standard Replacement section: 2 options from HELLA and SYLVANIA. HELLA 3157 is listed in this group.
This group includes HELLA 3157, HELLA 3157LL and SYLVANIA 3157ST and the remaining parts above.
Brake Light Bulb - High Mount
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 921LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentLong Life | View on Amazon |
| SYLVANIA | 921LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeBase Type: W2.1x9.2d | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 921ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Cool WhiteSilver Star | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 921 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| SYLVANIA | 921 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: W2.1x9.2dWattage: 18.00 W | 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.
5 Brake Light Bulb - High Mount parts are listed for the 2021 Toyota Tundra, from SYLVANIA and HELLA. HELLA 921 carries the "Popular" badge.
The Extended Life section: 2 options from HELLA and SYLVANIA. 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.
The Standard Replacement section: 2 options from HELLA and SYLVANIA. HELLA 921 is listed in this group.
This group includes HELLA 921, HELLA 921LL and SYLVANIA 921ST and the remaining parts above.
Daytime Running Light Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER | 4157NALL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeNatural Amber | 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.
This group shows a single part: WAGNER 4157NALL.
Dome Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 168LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentLong Life | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS | 194RLED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Ultinon LEDRed | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 2825 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| HELLA | 168 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| PHILIPS | 12961 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Rear | 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.
5 Dome Light Bulb parts are listed for the 2021 Toyota Tundra, from HELLA and PHILIPS.
The Extended Life section: 1 option from HELLA. HELLA 168LL is listed in this group.
LED (instant-on, long life, energy-saving): 1 part, from PHILIPS. A representative part number is PHILIPS 194RLED.
The Standard Replacement section: 3 options from HELLA and PHILIPS. HELLA 2825 is listed in this group.
This group includes HELLA 168LL, PHILIPS 194RLED and HELLA 2825 and the remaining parts above.
Fog / Driving Lamp Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Popular | 1219H16 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front | View on Amazon |
| HELLA | H16 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HalogenSocket Type Bulb: PGJ19-3 | View on Amazon |
| PHILIPS | H16 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| SYLVANIA | H16 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: PGJ19-3Wattage: 19.00 W | View on Amazon |
| SYLVANIA | H16SZ | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Silver Star zXeBlue | 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.
5 Fog / Driving Lamp Bulb parts for the 2021 Toyota Tundra come from 4 brands — SYLVANIA, WAGNER, HELLA and 1 other brand. The "Popular" part is WAGNER 1219H16.
Part numbers include WAGNER 1219H16 and HELLA H16, among others listed above.
Glove Box Light Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 74 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| PHILIPS | 74 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
2 Glove Box Light Bulb parts for the 2021 Toyota Tundra come from 2 brands — HELLA and PHILIPS.
Listed part numbers: HELLA 74, plus the other parts above.
Headlamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 9003LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long Life | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Popular | 9003BLX | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 80% More Light | View on Amazon |
| PHILIPS | 9003CVP | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Crystal Vision PlatinumUp to 60% More Light | View on Amazon |
| SYLVANIA | 9003XV | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Xtra VisionColor Temperature: 3200 KV | View on Amazon |
| SYLVANIA | 9003ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Color Temperature: 4000 KVSilver Star | View on Amazon |
| SYLVANIA | 9003SU | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Silver Star UltraColor Temperature: 4100 KV | View on Amazon |
| WAGNER | 9003TVX | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HID Look | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 9003SL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 9003 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HalogenSocket Type Bulb: P43T | View on Amazon |
| WAGNER Popular | 9003 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | High Beam and Low Beamwith Factory Halogens | View on Amazon |
| SYLVANIA | 9003 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | High Beam and Low Beam | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 9003SZG | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Silver Star zXe GOLDColor Temperature: 4200 KV | 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.
12 Headlamp Bulb parts for the 2021 Toyota Tundra come from 4 brands — SYLVANIA, WAGNER, PHILIPS and 1 other brand. The "Popular" part is WAGNER 9003BLX.
Extended Life: 1 part, from SYLVANIA. A representative part number is SYLVANIA 9003LL.
Extra Bright (improved visibility, but shorter life): 6 parts, from SYLVANIA, WAGNER and PHILIPS. A representative part number is WAGNER 9003BLX.
The LED (instant-on, long life, energy-saving) section: 1 option from SYLVANIA. SYLVANIA 9003SL is listed in this group.
Standard Replacement: 3 parts, from HELLA, WAGNER and SYLVANIA. A representative part number is HELLA 9003.
1 further part sits outside the graded sections, with the same engine-level match.
Headlamp Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | PT2475 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| STANDARD MOTOR PRODUCTS | HP4505 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Handypack | View on Amazon |
| STANDARD MOTOR PRODUCTS | S844 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: Trapezoid | View on Amazon |
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.
3 Headlamp Socket parts for the 2021 Toyota Tundra come from 2 brands — STANDARD MOTOR PRODUCTS and ACDELCO.
Listed part numbers: ACDELCO PT2475, STANDARD MOTOR PRODUCTS HP4505 and STANDARD MOTOR PRODUCTS S844.
LED Bulb Adapter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER | CBH8H11H16 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | For H8 / H11 / H16 Bulb | View on Amazon |
| WAGNER | CBH49003 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | For H4 / 9003 Bulb | View on Amazon |
This table covers the LED Bulb adapters.
2 LED Bulb Adapter parts for the 2021 Toyota Tundra come from WAGNER.
Part numbers include WAGNER CBH8H11H16 and WAGNER CBH49003.
License Plate Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 168LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentLong Life | View on Amazon |
| SYLVANIA | 2825LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeBase Type: W2.1x9.5d | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 2825ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BlueSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 2825SL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDCool White | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 2825 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| HELLA Popular | 168 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| PHILIPS Popular | 12961 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| SYLVANIA | 2825 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
8 License Plate Lamp Bulb parts are listed for the 2021 Toyota Tundra, from SYLVANIA, HELLA and PHILIPS. HELLA 2825 carries the "Popular" badge.
The Extended Life section: 2 options from HELLA and SYLVANIA. HELLA 168LL 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 SYLVANIA. A representative part number is SYLVANIA 2825SL.
The Standard Replacement section: 4 options from HELLA, PHILIPS and SYLVANIA. HELLA 2825 is listed in this group.
Part numbers include HELLA 2825, HELLA 168LL and SYLVANIA 2825LL, among others listed above.
Map / Reading Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 168LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentLong Life | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 168 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | 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.
HELLA supplies both parts for the 2021 Toyota Tundra.
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.
Outside Mirror Illumination Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 168LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentLong Life | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 168 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
This table covers the replacement bulbs for the Outside Mirror Illumination 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.
HELLA supplies both parts for the 2021 Toyota Tundra.
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.
Part numbers include HELLA 168LL and HELLA 168.
Parking Lamp Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS | 4157NALL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Longer LifeNatural Amber | View on Amazon |
| SYLVANIA | 4157NALL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeAmber | View on Amazon |
| WAGNER | 4157NALL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeNatural 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.
3 Parking Lamp Bulb parts for the 2021 Toyota Tundra come from 3 brands — PHILIPS, SYLVANIA and WAGNER.
Part numbers include PHILIPS 4157NALL, among others listed above.
Side Marker Lamp Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2654 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front | View on Amazon |
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.
One part is listed for the 2021 Toyota Tundra — STANDARD MOTOR PRODUCTS S2654.
Side Marker Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 168LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentLong Life | View on Amazon |
| HELLA | 3157LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Incandescent27/8W | View on Amazon |
| SYLVANIA | 3157LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: W2.5x16qLong Life | View on Amazon |
| SYLVANIA | 2825LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeBase Type: W2.1x9.5d | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 3157ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Silver StarCool White | View on Amazon |
| SYLVANIA | 2825ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BlueSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS | 194RLED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Ultinon LEDRed | View on Amazon |
| SYLVANIA | 2825SL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDCool White | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 2825 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| HELLA Popular | 168 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| HELLA Popular | 3157 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Incandescent27/7W | View on Amazon |
| PHILIPS Popular | 12961 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front | View on Amazon |
| SYLVANIA | 2825 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: W2.1x9.5dWattage: 5.00 W | View on Amazon |
| SYLVANIA | 3157 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: W2.5x16qWattage: 27.00 W | 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.
14 Side Marker Light Bulb parts are listed for the 2021 Toyota Tundra, from SYLVANIA, HELLA and PHILIPS. HELLA 2825 carries the "Popular" badge.
The Extended Life section: 4 options from HELLA and SYLVANIA. HELLA 168LL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section: 2 options from SYLVANIA. SYLVANIA 3157ST is listed in this group.
LED (instant-on, long life, energy-saving): 2 parts, from PHILIPS and SYLVANIA. A representative part number is PHILIPS 194RLED.
The Standard Replacement section: 6 options from HELLA, SYLVANIA and PHILIPS. HELLA 2825 is listed in this group.
Step / Courtesy Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular | 2825LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeBase Type: W2.1x9.5d | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 2825ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BlueSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 2825SL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDCool White | View on Amazon |
| SYLVANIA | 2825BLED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | ZEVO | View on Amazon |
| SYLVANIA | 2825BSL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LED | View on Amazon |
| SYLVANIA | 2825LED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | ZEVOCool White | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular | 2825 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: W2.1x9.5dWattage: 5.00 W | 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.
SYLVANIA supplies the 7 Step / Courtesy Light Bulb parts for the 2021 Toyota Tundra. SYLVANIA 2825LL carries the "Popular" badge.
The Extended Life section: 1 option from SYLVANIA. SYLVANIA 2825LL 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): 4 parts, from SYLVANIA. A representative part number is SYLVANIA 2825SL.
The Standard Replacement section: 1 option from SYLVANIA. SYLVANIA 2825 is listed in this group.
Listed part numbers: SYLVANIA 2825LL, SYLVANIA 2825ST and SYLVANIA 2825SL, plus the other parts above.
Tail Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 3157LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Incandescent27/8W | View on Amazon |
| SYLVANIA | 3157LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: W2.5x16qLong Life | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 3157ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Silver StarCool White | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS | 3157RLED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Ultinon LEDRed | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 2825 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| HELLA Popular | 3157 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Incandescent27/7W | View on Amazon |
| HELLA | 7440 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: W3X16D | View on Amazon |
| SYLVANIA | 3157 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: W2.5x16qWattage: 27.00 W | 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.
8 Tail Lamp Bulb parts for the 2021 Toyota Tundra come from 3 brands — HELLA, SYLVANIA and PHILIPS. The "Popular" part is HELLA 2825.
Extended Life: 2 parts, from HELLA and SYLVANIA. A representative part number is HELLA 3157LL.
Extra Bright (improved visibility, but shorter life): 1 part, from SYLVANIA. A representative part number is SYLVANIA 3157ST.
The LED (instant-on, long life, energy-saving) section: 1 option from PHILIPS. PHILIPS 3157RLED is listed in this group.
Standard Replacement: 4 parts, from HELLA and SYLVANIA. A representative part number is HELLA 2825.
Listed part numbers: HELLA 2825, HELLA 3157LL and SYLVANIA 3157ST, plus the other parts above.
Trunk / Cargo Area Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular | 921LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| HELLA | 921LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentLong Life | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 921ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Cool WhiteSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 921RSL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDRed | View on Amazon |
| SYLVANIA | 921SL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Cool WhiteLED | View on Amazon |
| SYLVANIA | 921LED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Cool WhiteZEVO | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 921 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| SYLVANIA | 921 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: W2.1x9.2dWattage: 18.00 W | 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.
8 Trunk / Cargo Area Light Bulb parts for the 2021 Toyota Tundra come from 2 brands — SYLVANIA and HELLA. The "Popular" part is SYLVANIA 921LL.
Extended Life: 2 parts, from SYLVANIA and HELLA. A representative part number is SYLVANIA 921LL.
Extra Bright (improved visibility, but shorter life): 1 part, from SYLVANIA. A representative part number is SYLVANIA 921ST.
The LED (instant-on, long life, energy-saving) section: 3 options from SYLVANIA. SYLVANIA 921RSL is listed in this group.
Standard Replacement: 2 parts, from HELLA and SYLVANIA. A representative part number is HELLA 921.
Listed part numbers: SYLVANIA 921LL and SYLVANIA 921ST, plus the other parts above.
Turn Signal Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Popular | 7444NALL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Longer LifeNatural Amber | View on Amazon |
| HELLA | 921LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentLong Life | View on Amazon |
| SYLVANIA | 4157NALL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeAmber | View on Amazon |
| SYLVANIA | 921LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| WAGNER | 4157NALL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeNatural Amber | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 921ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Cool WhiteSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER | 4157NALED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Natural AmberLED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 921 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| SYLVANIA | 921 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: W2.1x9.2dWattage: 18.00 W | 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.
9 Turn Signal Lamp Bulb parts are listed for the 2021 Toyota Tundra, from SYLVANIA, HELLA, WAGNER and 1 other brand. PHILIPS 7444NALL carries the "Popular" badge.
The Extended Life section: 5 options from SYLVANIA, PHILIPS, HELLA and 1 other brand. PHILIPS 7444NALL 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 WAGNER. A representative part number is WAGNER 4157NALED.
The Standard Replacement section: 2 options from HELLA and SYLVANIA. HELLA 921 is listed in this group.
This group includes PHILIPS 7444NALL, HELLA 921LL and SYLVANIA 4157NALL and the remaining parts above.
Turn Signal Lamp Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 645123 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Terminal Gender: Male | View on Amazon |
| STANDARD MOTOR PRODUCTS | S2654 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear | View on Amazon |
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.
2 Turn Signal Lamp Socket parts are listed for the 2021 Toyota Tundra, from DORMAN and STANDARD MOTOR PRODUCTS.
Part numbers include DORMAN 645123 and STANDARD MOTOR PRODUCTS S2654.
Buying Electrical Bulb & Socket Parts for a 2021 Toyota Tundra
On this vehicle, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination.
- Confirm you have the 5.7L V8 engine — every part on this page is matched to it.
- 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: Side Marker Light Bulb and Headlamp Bulb .
Frequently Asked Questions
How many electrical bulb & socket parts fit the 2021 Toyota Tundra?
Our catalog currently lists 112 electrical bulb & socket parts for the 2021 Toyota Tundra across 21 subcategories and 7 brands, covering the 5.7L V8 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical bulb & socket problems on a 2021 Toyota Tundra?
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 Toyota Tundra 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 Toyota Tundra?
Every part on this page is matched to the 5.7L V8 engine. 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 Toyota Tundra
Electrical Bulb & Socket Parts for Other Toyota Tundra 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.