The 2021 Ford Explorer has 38 electrical bulb & socket parts with verified fitment on this page — 13 part types and 6 brands, covering all 4 engine options (2.3L L4 Turbocharged, 3.0L V6 Turbocharged, 3.3L V6 and 3.3L V6 ELECTRIC/GAS). Each part includes a manufacturer part number and application notes.
On the 2021 Ford Explorer, 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 Back Up / Reverse Lamp Bulb (7 parts), Headlamp Bulb (6 parts) and License Plate Lamp Bulb (5 parts). The other 10 part types cover the remaining 20 parts.
The 2021 Ford Explorer was sold with 4 engines. All 38 parts on this page fit every engine.
The most listed brands for 2021 Ford Explorer electrical bulb & socket parts are HELLA (13 parts), SYLVANIA (10 parts) and WAGNER (10 parts), plus 3 more brands. Quality grades include Standard Replacement, Extended Life and Extra Bright.
6 parts on this 2021 Ford Explorer 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 9005 (Headlamp 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 2021 Explorer engines | 7440LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeBase Type: W3X16D | View on Amazon |
| WAGNER Fits: all 2021 Explorer engines | 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 Fits: all 2021 Explorer engines | 7440ST | 🇺🇸 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 2021 Explorer engines | 7440WLED | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDWhite | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: all 2021 Explorer engines | 1156 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Brightness: 32.0 CPIncandescent | View on Amazon |
| SYLVANIA Fits: all 2021 Explorer engines | 7440 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: W3X16DWattage: 25.00 W | View on Amazon |
| WAGNER Fits: all 2021 Explorer engines | 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 Ford Explorer, from SYLVANIA, WAGNER and HELLA. SYLVANIA 7440LL carries the "Popular" badge. All of them fit every engine offered in the 2021 Explorer.
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 1156 is listed in this group.
Part numbers include SYLVANIA 7440LL and SYLVANIA 7440ST, among others listed above.
Brake Light Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2021 Explorer engines | 1157 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Incandescent27/8W | 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.
One part is listed for the 2021 Ford Explorer — HELLA 1157.
Brake Light Bulb - High Mount
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2021 Explorer engines | 921LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentLong Life | View on Amazon |
| HELLA Fits: all 2021 Explorer engines | DE3175LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentLong Life | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2021 Explorer engines | 921 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| HELLA Fits: all 2021 Explorer engines | 921NA | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentNatural Amber | 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.
HELLA supplies the 4 Brake Light Bulb - High Mount parts for the 2021 Ford Explorer. All of them fit every engine offered in the 2021 Explorer.
The Extended Life section: 2 options from HELLA. HELLA 921LL is listed in this group.
The Standard Replacement section: 2 options from HELLA. HELLA 921 is listed in this group.
Part numbers include HELLA 921LL, HELLA DE3175LL and HELLA 921, among others listed above.
Fog / Driving Lamp Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2021 Explorer engines | H11 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HalogenSocket Type Bulb: PGJ19-2 or Socket Type Bulb: PGJY19-2 | 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.
This group shows a single part: HELLA H11.
Fog / Driving Lamp Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2021 Explorer engines | S3003 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the sockets that hold a Fog / Driving 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S3003.
Headlamp Bulb
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: all 2021 Explorer engines | 9005TVX | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HID Look | View on Amazon |
| WAGNER Fits: all 2021 Explorer engines | 9005BLX | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long Life80% More Light | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: all 2021 Explorer engines | 9005 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HalogenSocket Type Bulb: P20D | View on Amazon |
| WAGNER Popular Fits: all 2021 Explorer engines | 9005 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Voltage: 12.800 Volts (Direct Current) | View on Amazon |
| HELLA Fits: all 2021 Explorer engines | H11 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HalogenSocket Type Bulb: PGJ19-2 or Socket Type Bulb: PGJY19-2 | View on Amazon |
| WAGNER Fits: all 2021 Explorer 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.
6 Headlamp Bulb parts for the 2021 Ford Explorer come from 2 brands — WAGNER and HELLA. The "Popular" part is HELLA 9005. Every part fits all 4 engine options (2.3L L4 Turbocharged, 3.0L V6 Turbocharged, 3.3L V6 and 3.3L V6 ELECTRIC/GAS).
Extra Bright (improved visibility, but shorter life): 2 parts, from WAGNER. A representative part number is WAGNER 9005TVX.
Standard Replacement: 4 parts, from HELLA and WAGNER. A representative part number is HELLA 9005.
Listed part numbers: HELLA 9005, WAGNER 9005TVX and WAGNER 9005BLX, plus the other parts above.
Headlamp Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: all 2021 Explorer engines | WPT1731 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 16 CavityLeft and Right | View on Amazon |
| MOTORCRAFT Fits: all 2021 Explorer engines | WPT1279 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Terminal: SilverLeads: 16 | View on Amazon |
| MOTORCRAFT Fits: all 2021 Explorer engines | WPT1643 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Module16 Cavity | 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 Ford Explorer come from MOTORCRAFT. Every part fits all 4 engine options (2.3L L4 Turbocharged, 3.0L V6 Turbocharged, 3.3L V6 and 3.3L V6 ELECTRIC/GAS).
This group includes MOTORCRAFT WPT1731, MOTORCRAFT WPT1279 and MOTORCRAFT WPT1643.
LED Bulb Adapter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: all 2021 Explorer engines | CB900590069012 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDFor 9005 / 9006 / 9012 Bulb | View on Amazon |
This table covers the LED Bulb adapters.
This group shows a single part: WAGNER CB900590069012.
License Plate Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: all 2021 Explorer engines | 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 Fits: all 2021 Explorer engines | 2825ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BlueSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2021 Explorer engines | 2825SL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LEDCool White | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2021 Explorer engines | 1157 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Incandescent27/8W | View on Amazon |
| SYLVANIA Fits: all 2021 Explorer engines | 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.
5 License Plate Lamp Bulb parts are listed for the 2021 Ford Explorer, from SYLVANIA and HELLA. SYLVANIA 2825LL carries the "Popular" badge. All of them fit every engine offered in the 2021 Explorer.
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): 1 part, from SYLVANIA. A representative part number is SYLVANIA 2825SL.
The Standard Replacement section: 2 options from HELLA and SYLVANIA. HELLA 1157 is listed in this group.
Listed part numbers: SYLVANIA 2825LL, SYLVANIA 2825ST and SYLVANIA 2825SL, plus the other parts above.
Parking Lamp Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: all 2021 Explorer engines | 3757NALL | 🇺🇸 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.
This group shows a single part: WAGNER 3757NALL.
Roof Marker & Identification Light Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2021 Explorer engines | 194NA | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentBrightness: 1.5 CP | View on Amazon |
| HELLA Fits: all 2021 Explorer engines | 194B | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | IncandescentBlue | View on Amazon |
This table covers the replacement bulbs for the Roof Marker & Identification 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.
2 Roof Marker & Identification Light Bulb parts for the 2021 Ford Explorer come from HELLA. Every part fits all 4 engine options (2.3L L4 Turbocharged, 3.0L V6 Turbocharged, 3.3L V6 and 3.3L V6 ELECTRIC/GAS).
Listed part numbers: HELLA 194NA and HELLA 194B.
Side Marker Light Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Fits: all 2021 Explorer engines | 3757NALL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Longer LifeNatural Amber | 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.
One part is listed for the 2021 Ford Explorer — PHILIPS 3757NALL.
Turn Signal Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: all 2021 Explorer engines | 7443LL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: W3X16QLong Life | View on Amazon |
| WAGNER Fits: all 2021 Explorer engines | 3757NALL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Long LifeNatural Amber | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2021 Explorer engines | 7443ST | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Cool WhiteSilver Star | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2021 Explorer engines | 1157 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Incandescent27/8W | View on Amazon |
| SYLVANIA Fits: all 2021 Explorer engines | 7443 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Type: W3X16QWattage: 5.30 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.
5 Turn Signal Lamp Bulb parts are listed for the 2021 Ford Explorer, from SYLVANIA, WAGNER and HELLA. SYLVANIA 7443LL carries the "Popular" badge. All of them fit every engine offered in the 2021 Explorer.
The Extended Life section: 2 options from SYLVANIA and WAGNER. SYLVANIA 7443LL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 7443ST is listed in this group.
The Standard Replacement section: 2 options from HELLA and SYLVANIA. HELLA 1157 is listed in this group.
Part numbers include SYLVANIA 7443LL, WAGNER 3757NALL and SYLVANIA 7443ST, among others listed above.
Buying Electrical Bulb & Socket Parts for a 2021 Ford Explorer
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 4 engine options (2.3L L4 Turbocharged, 3.0L V6 Turbocharged, 3.3L V6 and 3.3L 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: Back Up / Reverse Lamp Bulb and Headlamp Bulb .
Frequently Asked Questions
How many electrical bulb & socket parts fit the 2021 Ford Explorer?
Our catalog currently lists 38 electrical bulb & socket parts for the 2021 Ford Explorer across 13 subcategories and 6 brands, covering all 4 engine options (2.3L L4 Turbocharged, 3.0L V6 Turbocharged, 3.3L V6 and 3.3L V6 ELECTRIC/GAS). Each part is matched to the engine(s) it fits.
Do electrical bulb & socket parts differ between 2021 Ford Explorer engines?
No. On this page every electrical bulb & socket part fits all 4 engine options (2.3L L4 Turbocharged, 3.0L V6 Turbocharged, 3.3L V6 and 3.3L 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 2021 Ford Explorer?
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 Ford Explorer 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 Ford Explorer?
Every part on this page already fits all 4 engine options (2.3L L4 Turbocharged, 3.0L V6 Turbocharged, 3.3L V6 and 3.3L 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 2021 Ford Explorer
Electrical Bulb & Socket Parts for Other Ford Explorer Years
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