The 2021 Ford E-350 has 91 electrical bulb & socket parts with verified fitment on this page — 19 part types and 7 brands, covering the 7.3L V8 engine. Each part includes a manufacturer part number and application notes.
On the 2021 Ford E-350, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination. 32 parts of the 91 listed are Headlamp Bulb (12 parts), Glove Box Light Bulb (10 parts) and Side Marker Light Bulb (10 parts). The other 16 part types cover the remaining 59 parts.
The 2021 Ford E-350 came with a single engine, the 7.3L V8, and every part is verified against it.
7 brands supply electrical bulb & socket parts for the 2021 Ford E-350, led by SYLVANIA (56 parts), HELLA (13 parts) and PHILIPS (9 parts), plus 4 more brands. Quality grades include Standard Replacement, Extended Life and LED.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2021 Ford E-350. 18 parts have it, including HELLA 7506 (Back Up / Reverse Lamp Bulb) and SYLVANIA 3157 (Brake 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 |
|---|---|---|---|---|
| HELLA | 7506LL | 🇺🇸 US 🇨🇦 CA | IncandescentLong Life | View on Amazon |
| SYLVANIA | 3156LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: W2.5x16d | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 3156ST | 🇺🇸 US 🇨🇦 CA | Cool WhiteSilver Star | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 7506 | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: BA15S | View on Amazon |
| HELLA Popular | 7507 | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: S8.5d or Socket Type Bulb: BAU15S | View on Amazon |
| SYLVANIA | 3156 | 🇺🇸 US 🇨🇦 CA | Base Type: W2.5x16dWattage: 26.90 W | 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.
6 Back Up / Reverse Lamp Bulb parts for the 2021 Ford E-350 come from 2 brands — HELLA and SYLVANIA. The "Popular" part is HELLA 7506.
In the Extended Life grade, HELLA and SYLVANIA supply 2 parts: grouped under the catalog's "Extended Life" designation — the notes column spells out what sets them apart. A representative part number is HELLA 7506LL.
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 3156ST.
In the Standard Replacement grade, HELLA and SYLVANIA supply 3 parts: built to original-equipment specification. A representative part number is HELLA 7506.
Part numbers include HELLA 7506, HELLA 7506LL and SYLVANIA 3156LL, among others listed above.
Brake Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 3157LL | 🇺🇸 US 🇨🇦 CA | 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 | Silver StarCool White | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS | 3157RLED | 🇺🇸 US 🇨🇦 CA | Ultinon LEDRed | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular | 3157 | 🇺🇸 US 🇨🇦 CA | Base Type: W2.5x16qWattage: 27.00 W | View on Amazon |
| HELLA | 7528 | 🇺🇸 US 🇨🇦 CA | Incandescent21/5W | 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.
5 Brake Light Bulb parts for the 2021 Ford E-350 come from 3 brands — SYLVANIA, PHILIPS and HELLA. The "Popular" part is SYLVANIA 3157.
Extended Life: 1 part, from SYLVANIA. A representative part number is SYLVANIA 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 lists 1 option from PHILIPS — grouped under the catalog's "LED (instant-on, long life, energy-saving)" designation — the notes column spells out what sets them apart. PHILIPS 3157RLED is listed in this group.
Standard Replacement: 2 parts, from SYLVANIA and HELLA. A representative part number is SYLVANIA 3157.
Listed part numbers: SYLVANIA 3157, SYLVANIA 3157LL and SYLVANIA 3157ST, plus the other parts above.
Brake Light Bulb - High Mount
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 912LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: W2.1x9.2d | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 912 | 🇺🇸 US 🇨🇦 CA | Base Type: W2.1x9.2dWattage: 13.00 W | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | BP912 | 🇺🇸 US 🇨🇦 CA | 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.
3 Brake Light Bulb - High Mount parts for the 2021 Ford E-350 come from SYLVANIA.
Extended Life: 1 part, from SYLVANIA. A representative part number is SYLVANIA 912LL.
Standard Replacement: 1 part, from SYLVANIA. A representative part number is SYLVANIA 912.
1 further part sits outside the graded sections, with the same engine-level match.
Listed part numbers: SYLVANIA 912LL, SYLVANIA 912 and SYLVANIA BP912.
Dome Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS | 578LL | 🇺🇸 US 🇨🇦 CA | Longer Life | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 912 | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: W2.1x9.5d | 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 for the 2021 Ford E-350 come from 2 brands — PHILIPS and HELLA.
Extended Life: 1 part, from PHILIPS. A representative part number is PHILIPS 578LL.
Standard Replacement: 1 part, from HELLA. A representative part number is HELLA 912.
Listed part numbers: PHILIPS 578LL and HELLA 912.
Engine Compartment Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 906LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: W2.1x9.2d | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 906SL | 🇺🇸 US 🇨🇦 CA | LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 906 | 🇺🇸 US 🇨🇦 CA | Base Type: W2.1x9.2dWattage: 9.00 W | View on Amazon |
| WAGNER | 906 | 🇺🇸 US 🇨🇦 CA | Wedge Base8.970 Watt | View on Amazon |
This table covers the replacement bulbs for the Engine Compartment 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.
4 Engine Compartment Light Bulb parts are listed for the 2021 Ford E-350, from SYLVANIA and WAGNER.
The Extended Life section: 1 option from SYLVANIA. SYLVANIA 906LL is listed in this group.
LED (instant-on, long life, energy-saving): 1 part, from SYLVANIA. A representative part number is SYLVANIA 906SL.
The Standard Replacement section: 2 options from SYLVANIA and WAGNER. SYLVANIA 906 is listed in this group.
Listed part numbers: SYLVANIA 906LL, SYLVANIA 906SL and SYLVANIA 906, plus the other parts above.
Glove Box Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 194LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| WAGNER | 194LL | 🇺🇸 US 🇨🇦 CA | Long LifeBulb Type: T-3-1/4 Bulb 13/32 (10mm) Diameter | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 194ST | 🇺🇸 US 🇨🇦 CA | Color Temperature: 3200 KVSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 194BSL | 🇺🇸 US 🇨🇦 CA | LEDBlue | View on Amazon |
| SYLVANIA | 194SL | 🇺🇸 US 🇨🇦 CA | LEDCool White | View on Amazon |
| SYLVANIA | 194BLED | 🇺🇸 US 🇨🇦 CA | BlueZEVO | View on Amazon |
| SYLVANIA | 194LED | 🇺🇸 US 🇨🇦 CA | ZEVOCool White | View on Amazon |
| WAGNER | 194LEDW | 🇺🇸 US 🇨🇦 CA | LEDGlass:Clear (T3-1/4), Number of Filaments:1, Watts:3.78 (0.16 cp), Base:Wedge (W2.1x9.5d) | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular | 194 | 🇺🇸 US 🇨🇦 CA | Base Type: W2.1x9.2dWattage: 3.80 W | View on Amazon |
| WAGNER Popular | 194 | 🇺🇸 US 🇨🇦 CA | Wedge Base3.780 Watt | 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.
10 Glove Box Light Bulb parts are listed for the 2021 Ford E-350, from SYLVANIA and WAGNER. SYLVANIA 194 carries the "Popular" badge.
The Extended Life section: 2 options from SYLVANIA and WAGNER. SYLVANIA 194LL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 194ST is listed in this group.
LED (instant-on, long life, energy-saving): 5 parts, from SYLVANIA and WAGNER. A representative part number is SYLVANIA 194BSL.
The Standard Replacement section: 2 options from SYLVANIA and WAGNER. SYLVANIA 194 is listed in this group.
Headlamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | H6054LL | 🇺🇸 US 🇨🇦 CA | Long Life | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular | H13XV | 🇺🇸 US 🇨🇦 CA | Xtra VisionColor Temperature: 3200 KV | View on Amazon |
| PHILIPS | 9008VP | 🇺🇸 US 🇨🇦 CA | Vision Plus60% More Light | View on Amazon |
| SYLVANIA | H6054XV | 🇺🇸 US 🇨🇦 CA | Xtra VisionColor Temperature: 3200 KV | View on Amazon |
| SYLVANIA | H13ST | 🇺🇸 US 🇨🇦 CA | Silver StarColor Temperature: 4000 KV | View on Amazon |
| SYLVANIA | H6054ST | 🇺🇸 US 🇨🇦 CA | Silver StarColor Temperature: 4000 KV | View on Amazon |
| SYLVANIA | H13SU | 🇺🇸 US 🇨🇦 CA | Silver Star UltraColor Temperature: 4100 KV | View on Amazon |
| SYLVANIA | H13SZG | 🇺🇸 US 🇨🇦 CA | Silver Star zXe GOLDColor Temperature: 4200 KV | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular | H13 | 🇺🇸 US 🇨🇦 CA | Fits Low Beamwith Factory Halogen Headlightsor High Beam | View on Amazon |
| SYLVANIA Popular | H6054 | 🇺🇸 US 🇨🇦 CA | Base Type: A3Wattage: 35.00 W | View on Amazon |
| MOTORCRAFT | HB129 | 🇺🇸 US 🇨🇦 CA | Bulb, IND# 9008 | View on Amazon |
| MOTORCRAFT | HB134 | 🇺🇸 US 🇨🇦 CA | Bulb - Tungsten | 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 are listed for the 2021 Ford E-350, from SYLVANIA, MOTORCRAFT and PHILIPS. SYLVANIA H13XV carries the "Popular" badge.
The Extended Life section: 1 option from SYLVANIA. SYLVANIA H6054LL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section: 7 options from SYLVANIA and PHILIPS. SYLVANIA H13XV is listed in this group.
The Standard Replacement section: 4 options from SYLVANIA and MOTORCRAFT. SYLVANIA H13 is listed in this group.
Headlamp Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT | WPT1499 | 🇺🇸 US 🇨🇦 CA | Wire Gauge Measurement: 14 | View on Amazon |
| STANDARD MOTOR PRODUCTS | HP4740 | 🇺🇸 US 🇨🇦 CA | Handy PackBlack | View on Amazon |
| STANDARD MOTOR PRODUCTS | S899 | 🇺🇸 US 🇨🇦 CA | Contact Terminal Material: Metalblack | 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 are listed for the 2021 Ford E-350, from STANDARD MOTOR PRODUCTS and MOTORCRAFT.
Part numbers include MOTORCRAFT WPT1499, STANDARD MOTOR PRODUCTS HP4740 and STANDARD MOTOR PRODUCTS S899.
Instrument Panel Light Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT | BLB6 | 🇺🇸 US 🇨🇦 CA | A/C Control PanelBlack Socket | View on Amazon |
This table covers the replacement bulbs for the Instrument 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.
This group shows a single part: MOTORCRAFT BLB6.
License Plate Lamp Bulb
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS | 7443WLED | 🇺🇸 US 🇨🇦 CA | Ultinon LEDWhite | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 2825 | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: W2.1x9.5d | 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.
2 License Plate Lamp Bulb parts for the 2021 Ford E-350 come from 2 brands — PHILIPS and HELLA.
The LED (instant-on, long life, energy-saving) section: 1 option from PHILIPS. PHILIPS 7443WLED is listed in this group.
Standard Replacement: 1 part, from HELLA. A representative part number is HELLA 2825.
Part numbers include PHILIPS 7443WLED and HELLA 2825.
Map / Reading Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Popular | 578LL | 🇺🇸 US 🇨🇦 CA | Longer Life | View on Amazon |
| SYLVANIA | 578LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: End Cap | View on Amazon |
| WAGNER | 578LL | 🇺🇸 US 🇨🇦 CA | Long LifeDouble End Caps Base | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 578SL | 🇺🇸 US 🇨🇦 CA | LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 912 | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| SYLVANIA | 578 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WAGNER | 578 | 🇺🇸 US 🇨🇦 CA | Double End Caps Base9.980 Watt | 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.
7 Map / Reading Light Bulb parts for the 2021 Ford E-350 come from 4 brands — SYLVANIA, WAGNER, PHILIPS and 1 other brand. The "Popular" part is PHILIPS 578LL.
Extended Life: 3 parts, from PHILIPS, SYLVANIA and WAGNER. A representative part number is PHILIPS 578LL.
The LED (instant-on, long life, energy-saving) section: 1 option from SYLVANIA. SYLVANIA 578SL is listed in this group.
Standard Replacement: 3 parts, from HELLA, SYLVANIA and WAGNER. A representative part number is HELLA 912.
Listed part numbers: PHILIPS 578LL, plus the other parts above.
Parking Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular | 4157LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: W2.5x16q | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 3157AST | 🇺🇸 US 🇨🇦 CA | Silver StarColor Temperature: 3200 KV | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 3157ASL | 🇺🇸 US 🇨🇦 CA | LED | View on Amazon |
| SYLVANIA | 4157LED | 🇺🇸 US 🇨🇦 CA | ZEVO | View on Amazon |
| SYLVANIA | 3157ALED | 🇺🇸 US 🇨🇦 CA | ZEVO | View on Amazon |
| SYLVANIA | 4157SL | 🇺🇸 US 🇨🇦 CA | LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular | 3157A | 🇺🇸 US 🇨🇦 CA | Amber | View on Amazon |
| SYLVANIA | 4157 | 🇺🇸 US 🇨🇦 CA | Front | 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.
SYLVANIA supplies the 8 Parking Lamp Bulb parts for the 2021 Ford E-350. SYLVANIA 4157LL carries the "Popular" badge.
The Extended Life section: 1 option from SYLVANIA. SYLVANIA 4157LL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 3157AST is listed in this group.
LED (instant-on, long life, energy-saving): 4 parts, from SYLVANIA. A representative part number is SYLVANIA 3157ASL.
The Standard Replacement section: 2 options from SYLVANIA. SYLVANIA 3157A is listed in this group.
This group includes SYLVANIA 4157LL, SYLVANIA 3157AST and SYLVANIA 3157ASL and the remaining parts above.
Side Marker Lamp Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 645550 | 🇺🇸 US 🇨🇦 CA | with 3 Wires | 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.
This group shows a single part: DORMAN 645550.
Side Marker Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular | 194LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| SYLVANIA | 168LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: W2.1x9.2d | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 168ST | 🇺🇸 US 🇨🇦 CA | Cool WhiteSilver Star | View on Amazon |
| SYLVANIA | 194ST | 🇺🇸 US 🇨🇦 CA | Color Temperature: 3200 KVSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 168SL | 🇺🇸 US 🇨🇦 CA | LEDCool White | View on Amazon |
| SYLVANIA | 194BSL | 🇺🇸 US 🇨🇦 CA | LEDBlue | View on Amazon |
| SYLVANIA | 194SL | 🇺🇸 US 🇨🇦 CA | LEDCool White | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular | 194 | 🇺🇸 US 🇨🇦 CA | Base Type: W2.1x9.2dWattage: 3.80 W | View on Amazon |
| HELLA | 7507 | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: S8.5d or Socket Type Bulb: BAU15S | View on Amazon |
| SYLVANIA | 168 | 🇺🇸 US 🇨🇦 CA | 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.
10 Side Marker Light Bulb parts for the 2021 Ford E-350 come from 2 brands — SYLVANIA and HELLA. The "Popular" part is SYLVANIA 194LL.
Extended Life: 2 parts, from SYLVANIA. A representative part number is SYLVANIA 194LL.
Extra Bright (improved visibility, but shorter life): 2 parts, from SYLVANIA. A representative part number is SYLVANIA 168ST.
The LED (instant-on, long life, energy-saving) section: 3 options from SYLVANIA. SYLVANIA 168SL is listed in this group.
Standard Replacement: 3 parts, from SYLVANIA and HELLA. A representative part number is SYLVANIA 194.
Step / Courtesy Light Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS | 7443WLED | 🇺🇸 US 🇨🇦 CA | Ultinon LEDWhite | 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.
This group shows a single part: PHILIPS 7443WLED.
Tail Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 3157LL | 🇺🇸 US 🇨🇦 CA | 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 | Silver StarCool White | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS | 3157RLED | 🇺🇸 US 🇨🇦 CA | Ultinon LEDRed | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 2825 | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| HELLA Popular | 7506 | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: BA15S | View on Amazon |
| HELLA | 7528 | 🇺🇸 US 🇨🇦 CA | Incandescent21/5W | View on Amazon |
| SYLVANIA | 3157 | 🇺🇸 US 🇨🇦 CA | 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.
7 Tail Lamp Bulb parts are listed for the 2021 Ford E-350, from SYLVANIA, HELLA and PHILIPS. HELLA 2825 carries the "Popular" badge.
The Extended Life section: 1 option from SYLVANIA. SYLVANIA 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: 4 options from HELLA and SYLVANIA. HELLA 2825 is listed in this group.
Part numbers include HELLA 2825, SYLVANIA 3157LL and SYLVANIA 3157ST, among others listed above.
Truck Bed Light Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS | 578LL | 🇺🇸 US 🇨🇦 CA | Longer Life | View on Amazon |
This table covers the replacement bulbs for the Truck Bed 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.
One part is listed for the 2021 Ford E-350 — PHILIPS 578LL.
Trunk / Cargo Area Light Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | DE3425 | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: SV8.5-8 | 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.
One part is listed for the 2021 Ford E-350 — HELLA DE3425.
Turn Signal Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular | 3157LL | 🇺🇸 US 🇨🇦 CA | Base Type: W2.5x16qLong Life | View on Amazon |
| PHILIPS | 3357LL | 🇺🇸 US 🇨🇦 CA | Longer Life | View on Amazon |
| SYLVANIA | 4157LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: W2.5x16q | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA | 3157ST | 🇺🇸 US 🇨🇦 CA | Silver StarCool White | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular | 3157 | 🇺🇸 US 🇨🇦 CA | Base Type: W2.5x16qWattage: 27.00 W | View on Amazon |
| HELLA | 7507 | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: S8.5d or Socket Type Bulb: BAU15S | View on Amazon |
| SYLVANIA | 3157A | 🇺🇸 US 🇨🇦 CA | 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.
7 Turn Signal Lamp Bulb parts for the 2021 Ford E-350 come from 3 brands — SYLVANIA, PHILIPS and HELLA. The "Popular" part is SYLVANIA 3157LL.
Extended Life: 3 parts, from SYLVANIA and PHILIPS. A representative part number is SYLVANIA 3157LL.
Extra Bright (improved visibility, but shorter life): 1 part, from SYLVANIA. A representative part number is SYLVANIA 3157ST.
Standard Replacement: 3 parts, from SYLVANIA and HELLA. A representative part number is SYLVANIA 3157.
Part numbers include SYLVANIA 3157LL, PHILIPS 3357LL and SYLVANIA 4157LL, among others listed above.
Buying Electrical Bulb & Socket Parts for a 2021 Ford E-350
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 7.3L 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: Headlamp Bulb and Glove Box Light Bulb .
Frequently Asked Questions
How many electrical bulb & socket parts fit the 2021 Ford E-350?
Our catalog currently lists 91 electrical bulb & socket parts for the 2021 Ford E-350 across 19 subcategories and 7 brands, covering the 7.3L V8 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical bulb & socket problems on a 2021 Ford E-350?
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 E-350 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 E-350?
Every part on this page is matched to the 7.3L 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 Ford E-350
Electrical Bulb & Socket Parts for Other Ford E-350 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.