This page lists 144 electrical bulb & socket parts for the 2018 Toyota Highlander, across 16 part types, covering all 3 engine options (2.7L L4, 3.5L V6 and 3.5L V6 ELECTRIC/GAS). Every part shows its brand, manufacturer part number and fitment notes.
On the 2018 Toyota Highlander, 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 Headlamp Bulb (23 parts), Turn Signal Lamp Bulb (15 parts) and Daytime Running Light Bulb (12 parts). The other 13 part types cover the remaining 94 parts.
The 2018 Toyota Highlander was sold with 3 engines. All 144 parts on this page fit every engine.
The most listed brands for 2018 Toyota Highlander electrical bulb & socket parts are SYLVANIA (53 parts), WAGNER (41 parts) and HELLA (23 parts), plus 8 more brands. Quality grades include Standard Replacement, Extended Life and Extra Bright.
31 parts on this 2018 Toyota Highlander 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 HELLA 9005 (Daytime Running 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: all 2018 Highlander engines | 921LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| HELLA Fits: all 2018 Highlander engines | 921LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentLong Life | View on Amazon |
| WAGNER Fits: all 2018 Highlander engines | 921LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeWedge Base | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2018 Highlander engines | 921ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Cool WhiteSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: all 2018 Highlander engines | 921WLED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDWhite | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: all 2018 Highlander engines | 921 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| SYLVANIA Fits: all 2018 Highlander engines | 921 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: W2.1x9.2dWattage: 18.00 W | View on Amazon |
| WAGNER Fits: all 2018 Highlander engines | 921 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
8 Back Up / Reverse Lamp Bulb parts are listed for the 2018 Toyota Highlander, from SYLVANIA, WAGNER and HELLA. SYLVANIA 921LL carries the "Popular" badge. All of them fit every engine offered in the 2018 Highlander.
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.
Daytime Running Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2018 Highlander engines | 9005LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long Life | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2018 Highlander engines | 9005XV | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Xtra VisionColor Temperature: 3200 KV | View on Amazon |
| SYLVANIA Fits: all 2018 Highlander engines | 9005SU | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Silver Star UltraColor Temperature: 4100 KV | View on Amazon |
| SYLVANIA Fits: all 2018 Highlander engines | 9005ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Silver StarColor Temperature: 4000 KV | View on Amazon |
| SYLVANIA Fits: all 2018 Highlander engines | 9005SZG | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Silver Star zXe GOLDColor Temperature: 4200 KV | View on Amazon |
| WAGNER Fits: all 2018 Highlander engines | 9005TVX | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HID Look | View on Amazon |
| WAGNER Fits: all 2018 Highlander engines | 9005BLX | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long Life80% More Light | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2018 Highlander engines | 9005SL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: all 2018 Highlander engines | 9005 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HalogenSocket Type Bulb: P20D | View on Amazon |
| SYLVANIA Popular Fits: all 2018 Highlander engines | 9005 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: P20D | View on Amazon |
| WAGNER Popular Fits: all 2018 Highlander engines | 9005 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Voltage: 12.800 Volts (Direct Current) | View on Amazon |
| WAGNER Fits: all 2018 Highlander engines | 9005L | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long Life | 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.
12 Daytime Running Light Bulb parts for the 2018 Toyota Highlander come from 3 brands — SYLVANIA, WAGNER and HELLA. The "Popular" part is HELLA 9005. Every part fits all 3 engine options (2.7L L4, 3.5L V6 and 3.5L V6 ELECTRIC/GAS).
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.
Daytime Running Light Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: all 2018 Highlander engines | S524 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Weather Resistant: YES | View on Amazon |
| ACDELCO Fits: all 2018 Highlander engines | LS255 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2018 Highlander engines | HP3970 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Handypack | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2018 Highlander engines | S2987 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Square Bodywith 2 Terminal(s) | View on Amazon |
| WALKER PRODUCTS Fits: all 2018 Highlander engines | 2701125 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the sockets that hold a Daytime Running Light 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.
5 Daytime Running Light Socket parts for the 2018 Toyota Highlander come from 3 brands — STANDARD MOTOR PRODUCTS, ACDELCO and WALKER PRODUCTS. The "Popular" part is STANDARD MOTOR PRODUCTS S524. Every part fits all 3 engine options (2.7L L4, 3.5L V6 and 3.5L V6 ELECTRIC/GAS).
Part numbers include STANDARD MOTOR PRODUCTS S524, ACDELCO LS255 and STANDARD MOTOR PRODUCTS HP3970, among others listed above.
Dome Light Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PEAK Fits: all 2018 Highlander engines | 168 | 🇺🇸 US 🇨🇦 CA | BulbProfessional Box | View on Amazon |
| SYLVANIA Fits: all 2018 Highlander engines | 175SL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LED | 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.
2 Dome Light Bulb parts are listed for the 2018 Toyota Highlander, from PEAK and SYLVANIA. All of them fit every engine offered in the 2018 Highlander.
Part numbers include PEAK 168 and SYLVANIA 175SL.
Door Panel Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2018 Highlander engines | 194LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentLong Life | View on Amazon |
| SYLVANIA Fits: all 2018 Highlander engines | 168LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| WAGNER Fits: all 2018 Highlander engines | 168LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeWedge Base | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2018 Highlander engines | 168ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Cool WhiteSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2018 Highlander engines | 168SL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDCool White | View on Amazon |
| WAGNER Fits: all 2018 Highlander engines | T10LED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Tru View PLUS LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: all 2018 Highlander engines | 194 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Brightness: 2.0 CPIncandescent | View on Amazon |
| WAGNER Popular Fits: all 2018 Highlander engines | 168 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Wedge Base4.900 Watt | View on Amazon |
| SYLVANIA Fits: all 2018 Highlander engines | 168 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
9 Door Panel Light Bulb parts for the 2018 Toyota Highlander come from 3 brands — SYLVANIA, WAGNER and HELLA. The "Popular" part is HELLA 194. Every part fits all 3 engine options (2.7L L4, 3.5L V6 and 3.5L V6 ELECTRIC/GAS).
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: 2 options from SYLVANIA and WAGNER. SYLVANIA 168SL is listed in this group.
Standard Replacement: 3 parts, from HELLA, WAGNER and SYLVANIA. A representative part number is HELLA 194.
This group includes HELLA 194, HELLA 194LL and SYLVANIA 168LL and the remaining parts above.
Fog / Driving Lamp Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: all 2018 Highlander engines | H16 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: PGJ19-3Wattage: 19.00 W | View on Amazon |
| WAGNER Popular Fits: all 2018 Highlander engines | 1219H16 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front | View on Amazon |
| PHILIPS Fits: all 2018 Highlander engines | H16 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front | View on Amazon |
| PIAA Fits: all 2018 Highlander engines | D204E | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Xtreme White PLUS | View on Amazon |
| PIAA Fits: all 2018 Highlander engines | H354E | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Xtreme White PLUS Halogen | View on Amazon |
| PIAA Fits: all 2018 Highlander engines | HE956 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Xtreme White Hybrid Halogen | View on Amazon |
| SYLVANIA Fits: all 2018 Highlander engines | 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.
7 Fog / Driving Lamp Bulb parts for the 2018 Toyota Highlander come from 4 brands — PIAA, SYLVANIA, WAGNER and 1 other brand. The "Popular" part is SYLVANIA H16. Every part fits all 3 engine options (2.7L L4, 3.5L V6 and 3.5L V6 ELECTRIC/GAS).
Part numbers include SYLVANIA H16 and WAGNER 1219H16, among others listed above.
Headlamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: all 2018 Highlander engines | H11LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long Life | View on Amazon |
| SYLVANIA Fits: all 2018 Highlander engines | 9005LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long Life | View on Amazon |
| WAGNER Fits: all 2018 Highlander engines | 1255H11LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long Life | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2018 Highlander engines | 9005XV | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Xtra VisionColor Temperature: 3200 KV | View on Amazon |
| SYLVANIA Fits: all 2018 Highlander engines | H11XV | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Xtra VisionColor Temperature: 3200 KV | View on Amazon |
| SYLVANIA Fits: all 2018 Highlander engines | 9005SU | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Silver Star UltraColor Temperature: 4100 KV | View on Amazon |
| SYLVANIA Fits: all 2018 Highlander engines | H11SU | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Silver Star UltraColor Temperature: 4100 KV | View on Amazon |
| SYLVANIA Fits: all 2018 Highlander engines | 9005ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Silver StarColor Temperature: 4000 KV | View on Amazon |
| SYLVANIA Fits: all 2018 Highlander engines | H11ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Color Temperature: 4000 KVSilver Star | View on Amazon |
| SYLVANIA Fits: all 2018 Highlander engines | 9005SZG | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Silver Star zXe GOLDColor Temperature: 4200 KV | View on Amazon |
| SYLVANIA Fits: all 2018 Highlander engines | H11SZGP | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Silver Star zXe GOLDBase Type: PGJ19 | View on Amazon |
| WAGNER Fits: all 2018 Highlander engines | 9005TVX | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HID Look | View on Amazon |
| WAGNER Fits: all 2018 Highlander engines | 9005BLX | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long Life80% More Light | View on Amazon |
| WAGNER Fits: all 2018 Highlander engines | H11BLX | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BritelitePGJ19-2 Base | View on Amazon |
| WAGNER Fits: all 2018 Highlander engines | H11TVX | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Truview Plus1.733 Base | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2018 Highlander engines | 9005SL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: all 2018 Highlander engines | 9005 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HalogenSocket Type Bulb: P20D | View on Amazon |
| SYLVANIA Popular Fits: all 2018 Highlander engines | 9005 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: P20D | View on Amazon |
| SYLVANIA Popular Fits: all 2018 Highlander engines | H11 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: PGJ19-2 | View on Amazon |
| WAGNER Popular Fits: all 2018 Highlander engines | 1255H11 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Bulb Color: Clear | View on Amazon |
| HELLA Fits: all 2018 Highlander engines | H11 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HalogenSocket Type Bulb: PGJ19-2 or Socket Type Bulb: PGJY19-2 | View on Amazon |
| WAGNER Fits: all 2018 Highlander engines | 9005 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Voltage: 12.800 Volts (Direct Current) | View on Amazon |
| WAGNER Fits: all 2018 Highlander engines | 9005L | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long Life | 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.
23 Headlamp Bulb parts for the 2018 Toyota Highlander come from 3 brands — SYLVANIA, WAGNER and HELLA. The "Popular" part is SYLVANIA H11LL. Every part fits all 3 engine options (2.7L L4, 3.5L V6 and 3.5L V6 ELECTRIC/GAS).
Extended Life: 3 parts, from SYLVANIA and WAGNER. A representative part number is SYLVANIA H11LL.
Extra Bright (improved visibility, but shorter life): 12 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: 7 parts, from WAGNER, HELLA and SYLVANIA. A representative part number is HELLA 9005.
Headlamp Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: all 2018 Highlander engines | HP3835 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HandypackConnector Shape: Oval | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: all 2018 Highlander engines | S553 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Shape: OvalContact Terminal Material: Metal | View on Amazon |
| ACDELCO Fits: all 2018 Highlander engines | LS255 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| ACDELCO Fits: all 2018 Highlander engines | PT2298 | 🇺🇸 US 🇨🇦 CA | GoldHeight (In): 1.5 in | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2018 Highlander engines | HP3970 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Handypack | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2018 Highlander engines | S524 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Weather Resistant: YES | View on Amazon |
| WALKER PRODUCTS Fits: all 2018 Highlander engines | 2701125 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | High Beam | View on Amazon |
| WELLS Fits: all 2018 Highlander engines | 1P1032 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Low Beamwith 2 Terminalsor with 2 Terminal(s) | 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.
8 Headlamp Socket parts for the 2018 Toyota Highlander come from 4 brands — STANDARD MOTOR PRODUCTS, ACDELCO, WALKER PRODUCTS and 1 other brand. The "Popular" part is STANDARD MOTOR PRODUCTS HP3835. Every part fits all 3 engine options (2.7L L4, 3.5L V6 and 3.5L V6 ELECTRIC/GAS).
Part numbers include STANDARD MOTOR PRODUCTS HP3835, STANDARD MOTOR PRODUCTS S553 and ACDELCO LS255, among others listed above.
LED Bulb Adapter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: all 2018 Highlander engines | CB900590069012 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDFor 9005 / 9006 / 9012 Bulb | View on Amazon |
| WAGNER Fits: all 2018 Highlander engines | CBH8H11H16 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | For H8 / H11 / H16 Bulb | View on Amazon |
This table covers the LED Bulb adapters.
2 LED Bulb Adapter parts for the 2018 Toyota Highlander come from WAGNER. Every part fits all 3 engine options (2.7L L4, 3.5L V6 and 3.5L V6 ELECTRIC/GAS).
Part numbers include WAGNER CB900590069012 and WAGNER CBH8H11H16.
License Plate Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2018 Highlander engines | 168LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentLong Life | View on Amazon |
| SYLVANIA Fits: all 2018 Highlander engines | 168LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| WAGNER Fits: all 2018 Highlander engines | 168LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeWedge Base | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2018 Highlander engines | 168ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Cool WhiteSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2018 Highlander engines | 168SL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDCool White | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: all 2018 Highlander engines | 168 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| WAGNER Popular Fits: all 2018 Highlander engines | 168 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Wedge Base4.900 Watt | View on Amazon |
| GM GENUINE Fits: all 2018 Highlander engines | L168 | 🇺🇸 US 🇨🇦 CA | Bulb Technology: IncandescentHeight: 2 in | View on Amazon |
| SYLVANIA Fits: all 2018 Highlander engines | 168 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: W2.1x9.2dWattage: 4.90 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.
9 License Plate Lamp Bulb parts are listed for the 2018 Toyota Highlander, from SYLVANIA, HELLA, WAGNER and 1 other brand. HELLA 168 carries the "Popular" badge. All of them fit every engine offered in the 2018 Highlander.
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.
This group includes HELLA 168 and HELLA 168LL and the remaining parts above.
Map / Reading Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2018 Highlander engines | 168LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentLong Life | View on Amazon |
| SYLVANIA Fits: all 2018 Highlander engines | 168LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| WAGNER Fits: all 2018 Highlander engines | 168LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeWedge Base | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2018 Highlander engines | 168ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Cool WhiteSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2018 Highlander engines | 168SL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDCool White | View on Amazon |
| WAGNER Fits: all 2018 Highlander engines | T10LED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Tru View PLUS LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: all 2018 Highlander engines | 168 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| WAGNER Popular Fits: all 2018 Highlander engines | 168 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Wedge Base4.900 Watt | View on Amazon |
| GM GENUINE Fits: all 2018 Highlander engines | L168 | 🇺🇸 US 🇨🇦 CA | Bulb Technology: IncandescentHeight: 2 in | View on Amazon |
| SYLVANIA Fits: all 2018 Highlander engines | 168 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: W2.1x9.2dWattage: 4.90 W | 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.
10 Map / Reading Light Bulb parts are listed for the 2018 Toyota Highlander, from SYLVANIA, WAGNER, HELLA and 1 other brand. HELLA 168 carries the "Popular" badge. All of them fit every engine offered in the 2018 Highlander.
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): 2 parts, from SYLVANIA and WAGNER. 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.
Parking Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Fits: all 2018 Highlander engines | 7444NALL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Longer LifeNatural Amber | View on Amazon |
| SYLVANIA Fits: all 2018 Highlander engines | 7444NALL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeAmber | View on Amazon |
| WAGNER Fits: all 2018 Highlander engines | 7444NALL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeNatural Amber | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: all 2018 Highlander engines | 7444NA | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Natural 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.
4 Parking Lamp Bulb parts for the 2018 Toyota Highlander come from 3 brands — WAGNER, PHILIPS and SYLVANIA. Every part fits all 3 engine options (2.7L L4, 3.5L V6 and 3.5L V6 ELECTRIC/GAS).
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.
Listed part numbers: PHILIPS 7444NALL, plus the other parts above.
Side Marker Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2018 Highlander engines | 168LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentLong Life | View on Amazon |
| SYLVANIA Fits: all 2018 Highlander engines | 168LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| WAGNER Fits: all 2018 Highlander engines | 168LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeWedge Base | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2018 Highlander engines | 168ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Cool WhiteSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2018 Highlander engines | 168SL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDCool White | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: all 2018 Highlander engines | 168 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| WAGNER Popular Fits: all 2018 Highlander engines | 168 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Wedge Base4.900 Watt | View on Amazon |
| GM GENUINE Fits: all 2018 Highlander engines | L168 | 🇺🇸 US 🇨🇦 CA | Bulb Technology: IncandescentHeight: 2 in | View on Amazon |
| SYLVANIA Fits: all 2018 Highlander engines | 168 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: W2.1x9.2dWattage: 4.90 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.
9 Side Marker Light Bulb parts are listed for the 2018 Toyota Highlander, from SYLVANIA, HELLA, WAGNER and 1 other brand. HELLA 168 carries the "Popular" badge. All of them fit every engine offered in the 2018 Highlander.
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.
This group includes HELLA 168 and HELLA 168LL and the remaining parts above.
Step / Courtesy Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Popular Fits: all 2018 Highlander engines | DE3022LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Longer Life | View on Amazon |
| SYLVANIA Fits: all 2018 Highlander engines | DE3022LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeBase Type: Miniature Wedge | View on Amazon |
| WAGNER Fits: all 2018 Highlander engines | 13050LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeSV7 Base | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2018 Highlander engines | DE3022SL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: all 2018 Highlander engines | DE3175 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: SV8.5-8/S8.5d | View on Amazon |
| GM GENUINE Fits: all 2018 Highlander engines | L168 | 🇺🇸 US 🇨🇦 CA | Bulb Technology: IncandescentHeight: 2 in | View on Amazon |
| SYLVANIA Fits: all 2018 Highlander engines | DE3022 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WAGNER Fits: all 2018 Highlander engines | 13050 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | SV7 Base4.940 Watt | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2018 Highlander engines | 226971121 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDLength [In]: 1.69 | View on Amazon |
| HELLA Fits: all 2018 Highlander engines | 226971131 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDLength [In]: 1.50 | 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.
10 Step / Courtesy Light Bulb parts are listed for the 2018 Toyota Highlander, from SYLVANIA, HELLA, WAGNER and 2 other brands. PHILIPS DE3022LL carries the "Popular" badge. All of them fit every engine offered in the 2018 Highlander.
The Extended Life section: 3 options from PHILIPS, SYLVANIA and WAGNER. PHILIPS DE3022LL is listed in this group.
LED (instant-on, long life, energy-saving): 1 part, from SYLVANIA. A representative part number is SYLVANIA DE3022SL.
The Standard Replacement section: 4 options from HELLA, GM GENUINE, SYLVANIA and 1 other brand. HELLA DE3175 is listed in this group.
2 ungrouped parts are not assigned to a grade, with the same engine-level match.
Trunk / Cargo Area Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: all 2018 Highlander engines | 168LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| HELLA Fits: all 2018 Highlander engines | 168LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentLong Life | View on Amazon |
| WAGNER Fits: all 2018 Highlander engines | 168LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeWedge Base | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2018 Highlander engines | 168ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Cool WhiteSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Fits: all 2018 Highlander engines | 194RLED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Ultinon LEDRed | View on Amazon |
| SYLVANIA Fits: all 2018 Highlander engines | 168SL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDCool White | View on Amazon |
| WAGNER Fits: all 2018 Highlander engines | T10LED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Tru View PLUS LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: all 2018 Highlander engines | 168 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| WAGNER Popular Fits: all 2018 Highlander engines | 168 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Wedge Base4.900 Watt | View on Amazon |
| GM GENUINE Fits: all 2018 Highlander engines | L168 | 🇺🇸 US 🇨🇦 CA | Bulb Technology: IncandescentHeight: 2 in | View on Amazon |
| SYLVANIA Fits: all 2018 Highlander engines | 168 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: W2.1x9.2dWattage: 4.90 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.
11 Trunk / Cargo Area Light Bulb parts for the 2018 Toyota Highlander come from 5 brands — SYLVANIA, WAGNER, HELLA and 2 other brands. The "Popular" part is SYLVANIA 168LL. Every part fits all 3 engine options (2.7L L4, 3.5L V6 and 3.5L V6 ELECTRIC/GAS).
Extended Life: 3 parts, from SYLVANIA, HELLA and WAGNER. 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: 3 options from PHILIPS, SYLVANIA and WAGNER. PHILIPS 194RLED is listed in this group.
Standard Replacement: 4 parts, from HELLA, WAGNER, GM GENUINE and 1 other brand. A representative part number is HELLA 168.
Turn Signal Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Popular Fits: all 2018 Highlander engines | 7444NALL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Longer LifeNatural Amber | View on Amazon |
| HELLA Fits: all 2018 Highlander engines | 7444NALL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentLong Life | View on Amazon |
| SYLVANIA Fits: all 2018 Highlander engines | 7440ALL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | AmberBase Type: W3X16D | View on Amazon |
| SYLVANIA Fits: all 2018 Highlander engines | 7444NALL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeAmber | View on Amazon |
| WAGNER Fits: all 2018 Highlander engines | 7440NALL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeNatural Amber | View on Amazon |
| WAGNER Fits: all 2018 Highlander engines | 7444NALL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeNatural Amber | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: all 2018 Highlander engines | 7440NALED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Natural AmberLED | View on Amazon |
| WAGNER Fits: all 2018 Highlander engines | 7440RLED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDRed | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: all 2018 Highlander engines | 7443 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Incandescent21/5W | View on Amazon |
| WAGNER Popular Fits: all 2018 Highlander engines | 7440NA | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Natural AmberSingle Contact Wedge Base | View on Amazon |
| HELLA Fits: all 2018 Highlander engines | 7443A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: PK22S | View on Amazon |
| HELLA Fits: all 2018 Highlander engines | 7440NA | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentNatural Amber | View on Amazon |
| HELLA Fits: all 2018 Highlander engines | 7443NA | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentNatural Amber | View on Amazon |
| SYLVANIA Fits: all 2018 Highlander engines | 7440A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Amber | View on Amazon |
| WAGNER Fits: all 2018 Highlander engines | 7444NA | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Natural 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.
15 Turn Signal Lamp Bulb parts are listed for the 2018 Toyota Highlander, from WAGNER, HELLA, SYLVANIA and 1 other brand. PHILIPS 7444NALL carries the "Popular" badge. All of them fit every engine offered in the 2018 Highlander.
The Extended Life section: 6 options from SYLVANIA, WAGNER, PHILIPS and 1 other brand. PHILIPS 7444NALL is listed in this group.
LED (instant-on, long life, energy-saving): 2 parts, from WAGNER. A representative part number is WAGNER 7440NALED.
The Standard Replacement section: 7 options from HELLA, WAGNER and SYLVANIA. HELLA 7443 is listed in this group.
Buying Electrical Bulb & Socket Parts for a 2018 Toyota Highlander
On this vehicle, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination.
- You do not need to pick an engine: every electrical bulb & socket part on this page fits all 3 engine options (2.7L L4, 3.5L V6 and 3.5L V6 ELECTRIC/GAS).
- 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: Headlamp Bulb and Turn Signal Lamp Bulb .
Frequently Asked Questions
How many electrical bulb & socket parts fit the 2018 Toyota Highlander?
Our catalog currently lists 144 electrical bulb & socket parts for the 2018 Toyota Highlander across 16 subcategories and 11 brands, covering all 3 engine options (2.7L L4, 3.5L V6 and 3.5L V6 ELECTRIC/GAS). Each part is matched to the engine(s) it fits.
Do electrical bulb & socket parts differ between 2018 Toyota Highlander engines?
No. On this page every electrical bulb & socket part fits all 3 engine options (2.7L L4, 3.5L V6 and 3.5L V6 ELECTRIC/GAS). You do not need to pick an engine to choose the right row — use the notes for position and trim.
What are the signs of electrical bulb & socket problems on a 2018 Toyota Highlander?
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 2018 Toyota Highlander 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 2018 Toyota Highlander?
Every part on this page already fits all 3 engine options (2.7L L4, 3.5L V6 and 3.5L V6 ELECTRIC/GAS). 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 2018 Toyota Highlander
Electrical Bulb & Socket Parts for Other Toyota Highlander Years
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