71 Electrical bulb & socket parts are listed for the 2018 Toyota Prius, in 11 part types, covering the 1.8L L4 ELECTRIC/GAS engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2018 Toyota Prius, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination. 32 parts of the 71 listed are Trunk / Cargo Area Light Bulb (11 parts), Turn Signal Lamp Bulb (11 parts) and Dome Light Bulb (10 parts). The other 8 part types cover the remaining 39 parts.
The 2018 Toyota Prius came with a single engine, the 1.8L L4 ELECTRIC/GAS, and every part is verified against it.
8 brands supply electrical bulb & socket parts for the 2018 Toyota Prius, led by SYLVANIA (23 parts), WAGNER (23 parts) and HELLA (12 parts), plus 5 more brands. Quality grades include Extended Life, Standard Replacement and LED.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2018 Toyota Prius. 16 parts have it, including SYLVANIA 921LL (Back Up / Reverse Lamp Bulb) and HELLA DE3175 (Dome Light Bulb). Each part number opens a page with every vehicle that part fits.
Back Up / Reverse Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular | 921LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| HELLA | 921LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentLong Life | View on Amazon |
| WAGNER | 921LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeWedge Base | 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 | 921WLED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDWhite | 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 |
| WAGNER | 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 for the 2018 Toyota Prius come from 3 brands — SYLVANIA, WAGNER and HELLA. The "Popular" part is SYLVANIA 921LL.
In the Extended Life grade, SYLVANIA, HELLA and WAGNER supply 3 parts: grouped under the catalog's "Extended Life" designation — the notes column spells out what sets them apart. A representative part number is SYLVANIA 921LL.
In the Extra Bright (improved visibility, but shorter life) grade, SYLVANIA supplies 1 part: grouped under the catalog's "Extra Bright (improved visibility, but shorter life)" designation — the notes column spells out what sets them apart. A representative part number is SYLVANIA 921ST.
The LED (instant-on, long life, energy-saving) section lists 1 option from WAGNER — grouped under the catalog's "LED (instant-on, long life, energy-saving)" designation — the notes column spells out what sets them apart. WAGNER 921WLED is listed in this group.
In the Standard Replacement grade, HELLA, SYLVANIA and WAGNER supply 3 parts: built to original-equipment specification. A representative part number is HELLA 921.
Listed part numbers: SYLVANIA 921LL, plus the other parts above.
Daytime Running Light Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2987 | 🇺🇸 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.
One part is listed for the 2018 Toyota Prius — STANDARD MOTOR PRODUCTS S2987.
Dome Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | DE3175LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeBase Type: SV | View on Amazon |
| WAGNER | 12100LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeSV8.5 Base | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | DE3175BSL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDBlue | View on Amazon |
| SYLVANIA | DE3175SL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDCool White | View on Amazon |
| WAGNER | DE3175WLED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDWhite | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | DE3175 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: SV8.5-8/S8.5d | View on Amazon |
| SYLVANIA Popular | DE3175 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Wattage: 10.00 W | View on Amazon |
| WAGNER | 12100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | SV8.5 Base10.010 Watt | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 226971121 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDLength [In]: 1.69 | View on Amazon |
| HELLA | 226971131 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDLength [In]: 1.50 | 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.
10 Dome Light Bulb parts for the 2018 Toyota Prius 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.
Door Panel Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 194LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentLong Life | View on Amazon |
| SYLVANIA | 168LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| WAGNER | 168LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeWedge Base | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 168ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Cool WhiteSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 168SL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDCool White | View on Amazon |
| WAGNER | T10LED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Tru View PLUS LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 194 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Brightness: 2.0 CPIncandescent | View on Amazon |
| WAGNER Popular | 168 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Wedge Base4.900 Watt | View on Amazon |
| SYLVANIA | 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 are listed for the 2018 Toyota Prius, from SYLVANIA, WAGNER and HELLA. HELLA 194 carries the "Popular" badge.
The Extended Life section: 3 options from HELLA, SYLVANIA and WAGNER. HELLA 194LL 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: 3 options from HELLA, WAGNER and SYLVANIA. HELLA 194 is listed in this group.
Listed part numbers: HELLA 194, HELLA 194LL and SYLVANIA 168LL, plus the other parts above.
Map / Reading Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 168LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentLong Life | View on Amazon |
| SYLVANIA | 168LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| WAGNER | 168LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeWedge Base | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 168ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Cool WhiteSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 168SL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDCool White | View on Amazon |
| WAGNER | T10LED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Tru View PLUS LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 168 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| WAGNER Popular | 168 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Wedge Base4.900 Watt | View on Amazon |
| GM GENUINE | L168 | 🇺🇸 US 🇨🇦 CA | Bulb Technology: IncandescentHeight: 2 in | View on Amazon |
| SYLVANIA | 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 for the 2018 Toyota Prius come from 4 brands — SYLVANIA, WAGNER, HELLA and 1 other brand. The "Popular" part is HELLA 168.
Extended Life: 3 parts, from HELLA, SYLVANIA and WAGNER. A representative part number is HELLA 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: 2 options from SYLVANIA and WAGNER. SYLVANIA 168SL 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.
Parking Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Popular | 2357LL | 🇲🇽 MX | Longer Life | View on Amazon |
| PHILIPS Popular | 7444NALL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Longer LifeNatural Amber | View on Amazon |
| SYLVANIA | 7444NALL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeAmber | View on Amazon |
| WAGNER | 7444NALL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeNatural Amber | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS | 2357WLED | 🇲🇽 MX | Ultinon LEDWhite | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER | 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.
6 Parking Lamp Bulb parts are listed for the 2018 Toyota Prius, from PHILIPS, WAGNER and SYLVANIA. PHILIPS 2357LL carries the "Popular" badge.
The Extended Life section: 4 options from PHILIPS, SYLVANIA and WAGNER. PHILIPS 2357LL is listed in this group.
LED (instant-on, long life, energy-saving): 1 part, from PHILIPS. A representative part number is PHILIPS 2357WLED.
The Standard Replacement section: 1 option from WAGNER. WAGNER 7444NA is listed in this group.
Listed part numbers: PHILIPS 2357LL and PHILIPS 7444NALL, plus the other parts above.
Parking Lamp Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1P2147 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front | View on Amazon |
This table covers the sockets that hold a Parking 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 2018 Toyota Prius — WELLS 1P2147.
Step / Courtesy Light Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | L168 | 🇺🇸 US 🇨🇦 CA | Bulb Technology: IncandescentHeight: 2 in | View on Amazon |
| PEAK | 168 | 🇺🇸 US 🇨🇦 CA | Step or Courtesy LightInterior Door Light Bulb | View on Amazon |
This table covers the bulbs in the step and courtesy lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
2 Step / Courtesy Light Bulb parts for the 2018 Toyota Prius come from 2 brands — GM GENUINE and PEAK.
Part numbers include GM GENUINE L168 and PEAK 168.
Trunk / Cargo Area Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular | 168LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| HELLA | 194LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentLong Life | View on Amazon |
| WAGNER | 168LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeWedge Base | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 168ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Cool WhiteSilver 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 | 168SL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDCool White | View on Amazon |
| WAGNER | T10LED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Tru View PLUS LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 194 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Brightness: 2.0 CPIncandescent | View on Amazon |
| WAGNER Popular | 168 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Wedge Base4.900 Watt | View on Amazon |
| GM GENUINE | L168 | 🇺🇸 US 🇨🇦 CA | Bulb Technology: IncandescentHeight: 2 in | View on Amazon |
| SYLVANIA | 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 are listed for the 2018 Toyota Prius, from SYLVANIA, WAGNER, HELLA and 2 other brands. SYLVANIA 168LL carries the "Popular" badge.
The Extended Life section: 3 options from SYLVANIA, HELLA and WAGNER. 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): 3 parts, from PHILIPS, SYLVANIA and WAGNER. A representative part number is PHILIPS 194RLED.
The Standard Replacement section: 4 options from HELLA, WAGNER, GM GENUINE and 1 other brand. HELLA 194 is listed in this group.
Turn Signal Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Popular | 7444NALL | 🇨🇦 CA 🇲🇽 MX | Longer LifeNatural Amber | View on Amazon |
| SYLVANIA | 7440ALL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | AmberBase Type: W3X16D | View on Amazon |
| SYLVANIA | 7444NALL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeAmber | View on Amazon |
| WAGNER | 7440NALL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeNatural Amber | View on Amazon |
| WAGNER | 7444NALL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeNatural Amber | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER | 7440NALED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Natural AmberLED | View on Amazon |
| WAGNER | 7440RLED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDRed | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 7440NA | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentNatural Amber | View on Amazon |
| WAGNER Popular | 7440NA | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Natural AmberSingle Contact Wedge Base | View on Amazon |
| SYLVANIA | 7440A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Amber | View on Amazon |
| WAGNER | 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.
11 Turn Signal Lamp Bulb parts for the 2018 Toyota Prius come from 4 brands — WAGNER, SYLVANIA, PHILIPS and 1 other brand. The "Popular" part is PHILIPS 7444NALL.
Extended Life: 5 parts, from SYLVANIA, WAGNER and PHILIPS. A representative part number is PHILIPS 7444NALL.
The LED (instant-on, long life, energy-saving) section: 2 options from WAGNER. WAGNER 7440NALED is listed in this group.
Standard Replacement: 4 parts, from WAGNER, HELLA and SYLVANIA. A representative part number is HELLA 7440NA.
Turn Signal Lamp Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | S2655 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front | View on Amazon |
| WELLS | 1P2147 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front | 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 for the 2018 Toyota Prius come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS.
Listed part numbers: STANDARD MOTOR PRODUCTS S2655 and WELLS 1P2147.
Buying Electrical Bulb & Socket Parts for a 2018 Toyota Prius
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 1.8L L4 ELECTRIC/GAS 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: Trunk / Cargo Area Light Bulb and Turn Signal Lamp Bulb .
Frequently Asked Questions
How many electrical bulb & socket parts fit the 2018 Toyota Prius?
Our catalog currently lists 71 electrical bulb & socket parts for the 2018 Toyota Prius across 11 subcategories and 8 brands, covering the 1.8L L4 ELECTRIC/GAS engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical bulb & socket problems on a 2018 Toyota Prius?
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 Prius 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 Prius?
Every part on this page is matched to the 1.8L L4 ELECTRIC/GAS 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 2018 Toyota Prius
Electrical Bulb & Socket Parts for Other Toyota Prius Years
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