This page lists 116 electrical bulb & socket parts for the 2021 Ford Transit 350, across 20 part types, covering both the 3.5L V6 and the 3.5L V6 Turbocharged. Every part shows its brand, manufacturer part number and fitment notes.
On the 2021 Ford Transit 350, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination. 42 parts of the 116 listed are Headlamp Bulb (21 parts), Turn Signal Lamp Bulb (11 parts) and Back Up / Reverse Lamp Bulb (10 parts). The other 17 part types cover the remaining 74 parts.
The 2021 Ford Transit 350 was sold with both the 3.5L V6 and the 3.5L V6 Turbocharged. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2021 Ford Transit 350 electrical bulb & socket parts are SYLVANIA (80 parts), WAGNER (15 parts) and PHILIPS (9 parts), plus 4 more brands. Quality grades include Extra Bright, Standard Replacement and Extended Life.
25 parts on this 2021 Ford Transit 350 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including SYLVANIA 3057 (Back Up / Reverse Lamp Bulb) and SYLVANIA 3057LL (Brake Light Bulb). Click any part number to see every vehicle that part fits.
Back Up / Reverse Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.5L V6 Turbocharged | 3057LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: W2.5x16q | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | 7506LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: BA15S | View on Amazon |
| WAGNER Fits: 3.5L V6 Turbocharged | 921LL | 🇺🇸 US 🇨🇦 CA | Long LifeWedge Base | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.5L V6 Turbocharged | 3057ST | 🇺🇸 US 🇨🇦 CA | Silver StarCool White | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | 7506ST | 🇺🇸 US 🇨🇦 CA | Cool WhiteSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Fits: 3.5L V6 Turbocharged | 3157WLED | 🇺🇸 US 🇨🇦 CA | Ultinon LEDWhite | View on Amazon |
| WAGNER Fits: 3.5L V6 Turbocharged | 921WLED | 🇺🇸 US 🇨🇦 CA | LEDWhite | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: 3.5L V6 Turbocharged | 3057 | 🇺🇸 US 🇨🇦 CA | Base Type: W2.5x16qWattage: 26.90 W | View on Amazon |
| WAGNER Popular Fits: 3.5L V6 Turbocharged | 921 | 🇺🇸 US 🇨🇦 CA | Bulb Type: T-5 Bulb 5/8 (16mm) DiameterVoltage: 12.800 Volts (Direct Current) | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | 7506 | 🇺🇸 US 🇨🇦 CA | Base Type: BA15SWattage: 25.00 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.
10 Back Up / Reverse Lamp Bulb parts are listed for the 2021 Ford Transit 350, from SYLVANIA, WAGNER and PHILIPS. SYLVANIA 3057 carries the "Popular" badge.
The Extended Life section lists 3 options from SYLVANIA and WAGNER — grouped under the catalog's "Extended Life" designation — the notes column spells out what sets them apart. SYLVANIA 3057LL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section lists 2 options 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 3057ST is listed in this group.
In the LED (instant-on, long life, energy-saving) grade, PHILIPS and WAGNER supply 2 parts: 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 PHILIPS 3157WLED.
The Standard Replacement section lists 3 options from SYLVANIA and WAGNER — built to original-equipment specification. SYLVANIA 3057 is listed in this group.
Brake Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: 3.5L V6 Turbocharged | 3057LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: W2.5x16q | View on Amazon |
| PHILIPS Fits: 3.5L V6 Turbocharged | P215WLL | 🇺🇸 US 🇨🇦 CA | Longer Life | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | 7528LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: BAY15D | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.5L V6 Turbocharged | 3057ST | 🇺🇸 US 🇨🇦 CA | Silver StarCool White | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Fits: 3.5L V6 Turbocharged | 3157RLED | 🇺🇸 US 🇨🇦 CA | Ultinon LEDRed | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | 3057SL | 🇺🇸 US 🇨🇦 CA | LED | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | 3057LED | 🇺🇸 US 🇨🇦 CA | ZEVO | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: 3.5L V6 Turbocharged | 3057 | 🇺🇸 US 🇨🇦 CA | Base Type: W2.5x16qWattage: 26.90 W | View on Amazon |
| PHILIPS Fits: 3.5L V6 Turbocharged | P215W | 🇺🇸 US 🇨🇦 CA | with Bulb P215W | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | 7528 | 🇺🇸 US 🇨🇦 CA | Transit-350 Base Model | 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.
10 Brake Light Bulb parts are listed for the 2021 Ford Transit 350, from SYLVANIA and PHILIPS. SYLVANIA 3057LL carries the "Popular" badge.
The Extended Life section: 3 options from SYLVANIA and PHILIPS. SYLVANIA 3057LL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 3057ST is listed in this group.
LED (instant-on, long life, energy-saving): 3 parts, from SYLVANIA and PHILIPS. A representative part number is PHILIPS 3157RLED.
The Standard Replacement section: 3 options from SYLVANIA and PHILIPS. SYLVANIA 3057 is listed in this group.
Cornering Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: 3.5L V6 Turbocharged | H11LL | 🇺🇸 US 🇨🇦 CA | Long Life | View on Amazon |
| WAGNER Fits: 3.5L V6 Turbocharged | 1255H11LL | 🇺🇸 US 🇨🇦 CA | Long Life | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.5L V6 Turbocharged | H11XV | 🇺🇸 US 🇨🇦 CA | Xtra VisionColor Temperature: 3200 KV | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | H11SU | 🇺🇸 US 🇨🇦 CA | Silver Star UltraColor Temperature: 4100 KV | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | H11ST | 🇺🇸 US 🇨🇦 CA | Color Temperature: 4000 KVSilver Star | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | H11SZGP | 🇺🇸 US 🇨🇦 CA | Silver Star zXe GOLDBase Type: PGJ19 | View on Amazon |
| WAGNER Fits: 3.5L V6 Turbocharged | H11BLX | 🇺🇸 US 🇨🇦 CA | BritelitePGJ19-2 Base | View on Amazon |
| WAGNER Fits: 3.5L V6 Turbocharged | H11TVX | 🇺🇸 US 🇨🇦 CA | Truview Plus1.733 Base | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Popular Fits: 3.5L V6 Turbocharged | 1255H11 | 🇺🇸 US 🇨🇦 CA | Bulb Color: Clear | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | H11 | 🇺🇸 US 🇨🇦 CA | Base Type: PGJ19-2 | View on Amazon |
This table covers the replacement bulbs for the Cornering 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 Cornering Lamp Bulb parts are listed for the 2021 Ford Transit 350, from SYLVANIA and WAGNER. SYLVANIA H11LL carries the "Popular" badge.
The Extended Life section: 2 options from SYLVANIA and WAGNER. SYLVANIA H11LL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section: 6 options from SYLVANIA and WAGNER. SYLVANIA H11XV is listed in this group.
The Standard Replacement section: 2 options from WAGNER and SYLVANIA. WAGNER 1255H11 is listed in this group.
Daytime Running Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: 3.5L V6 Turbocharged | H11LL | 🇺🇸 US 🇨🇦 CA | Long Life | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.5L V6 Turbocharged | H11XV | 🇺🇸 US 🇨🇦 CA | Xtra VisionColor Temperature: 3200 KV | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | H11SU | 🇺🇸 US 🇨🇦 CA | Silver Star UltraColor Temperature: 4100 KV | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | H11ST | 🇺🇸 US 🇨🇦 CA | Color Temperature: 4000 KVSilver Star | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | H11SZGP | 🇺🇸 US 🇨🇦 CA | Silver Star zXe GOLDBase Type: PGJ19 | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: 3.5L V6 Turbocharged | H11 | 🇺🇸 US 🇨🇦 CA | Base Type: PGJ19-2 | 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.
6 Daytime Running Light Bulb parts for the 2021 Ford Transit 350 come from SYLVANIA. The "Popular" part is SYLVANIA H11LL.
Extended Life: 1 part, from SYLVANIA. A representative part number is SYLVANIA H11LL.
Extra Bright (improved visibility, but shorter life): 4 parts, from SYLVANIA. A representative part number is SYLVANIA H11XV.
Standard Replacement: 1 part, from SYLVANIA. A representative part number is SYLVANIA H11.
Listed part numbers: SYLVANIA H11LL, SYLVANIA H11XV and SYLVANIA H11SU, plus the other parts above.
Fog / Driving Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.5L V6 Turbocharged | 7506LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: BA15S | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.5L V6 Turbocharged | 7506ST | 🇺🇸 US 🇨🇦 CA | Cool WhiteSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.5L V6 Turbocharged | H8LEDSP | 🇺🇸 US 🇨🇦 CA | LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Popular Fits: 3.5L V6 Turbocharged | H8 | 🇺🇸 US 🇨🇦 CA | with Bulb H8 | View on Amazon |
| WAGNER Popular Fits: 3.5L V6 Turbocharged | 1219H16 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SYLVANIA Fits: 3.5L V6 Turbocharged | 7506 | 🇺🇸 US 🇨🇦 CA | Base Type: BA15SWattage: 25.00 W | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | H8 | 🇺🇸 US 🇨🇦 CA | Base Type: PGJ19-1Wattage: 35.00 W | 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 2021 Ford Transit 350 come from 3 brands — SYLVANIA, PHILIPS and WAGNER. The "Popular" part is PHILIPS H8.
Extended Life: 1 part, from SYLVANIA. A representative part number is SYLVANIA 7506LL.
Extra Bright (improved visibility, but shorter life): 1 part, from SYLVANIA. A representative part number is SYLVANIA 7506ST.
The LED (instant-on, long life, energy-saving) section: 1 option from SYLVANIA. SYLVANIA H8LEDSP is listed in this group.
Standard Replacement: 4 parts, from SYLVANIA, PHILIPS and WAGNER. A representative part number is PHILIPS H8.
Listed part numbers: PHILIPS H8, SYLVANIA 7506LL and SYLVANIA 7506ST, plus the other parts above.
Fog / Driving Lamp Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 3.5L V6 Turbocharged | PT2298 | 🇺🇸 US 🇨🇦 CA | GoldHeight (In): 1.5 in | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 3.5L V6 Turbocharged | HP3835 | 🇺🇸 US 🇨🇦 CA | HandypackConnector Shape: Oval | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 3.5L V6 Turbocharged | S553 | 🇺🇸 US 🇨🇦 CA | Connector Shape: OvalContact Terminal Material: Metal | 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.
3 Fog / Driving Lamp Socket parts for the 2021 Ford Transit 350 come from 2 brands — STANDARD MOTOR PRODUCTS and ACDELCO.
Part numbers include ACDELCO PT2298, STANDARD MOTOR PRODUCTS HP3835 and STANDARD MOTOR PRODUCTS S553.
Headlamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: 3.5L V6 Turbocharged | H11LL | 🇺🇸 US 🇨🇦 CA | Long Life | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | 9005LL | 🇺🇸 US 🇨🇦 CA | Long Life | View on Amazon |
| WAGNER Fits: 3.5L V6 Turbocharged | 1255H11LL | 🇺🇸 US 🇨🇦 CA | Long Life | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Popular Fits: 3.5L V6 Turbocharged | H11BLX | 🇺🇸 US 🇨🇦 CA | BritelitePGJ19-2 Base | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | 9005XV | 🇺🇸 US 🇨🇦 CA | Xtra VisionColor Temperature: 3200 KV | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | H11XV | 🇺🇸 US 🇨🇦 CA | Xtra VisionColor Temperature: 3200 KV | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | 9005SU | 🇺🇸 US 🇨🇦 CA | Silver Star UltraColor Temperature: 4100 KV | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | H11SU | 🇺🇸 US 🇨🇦 CA | Silver Star UltraColor Temperature: 4100 KV | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | 9005ST | 🇺🇸 US 🇨🇦 CA | Silver StarColor Temperature: 4000 KV | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | H11ST | 🇺🇸 US 🇨🇦 CA | Color Temperature: 4000 KVSilver Star | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | 9005SZG | 🇺🇸 US 🇨🇦 CA | Silver Star zXe GOLDColor Temperature: 4200 KV | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | H11SZGP | 🇺🇸 US 🇨🇦 CA | Silver Star zXe GOLDBase Type: PGJ19 | View on Amazon |
| WAGNER Fits: 3.5L V6 Turbocharged | H11TVX | 🇺🇸 US 🇨🇦 CA | Truview Plus1.733 Base | View on Amazon |
HID (intense white light)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.5L V6 Turbocharged | D5S | 🇺🇸 US 🇨🇦 CA | Fits Low Beamwith HID Headlightsor High Beam | View on Amazon |
| WAGNER Fits: 3.5L V6 Turbocharged | D3S | 🇺🇸 US 🇨🇦 CA | with Xenon Gas | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.5L V6 Turbocharged | 9005SL | 🇺🇸 US 🇨🇦 CA | LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: 3.5L V6 Turbocharged | 9005 | 🇺🇸 US 🇨🇦 CA | Base Type: P20D | View on Amazon |
| SYLVANIA Popular Fits: 3.5L V6 Turbocharged | H11 | 🇺🇸 US 🇨🇦 CA | Base Type: PGJ19-2 | View on Amazon |
| WAGNER Popular Fits: 3.5L V6 Turbocharged | 1255H11 | 🇺🇸 US 🇨🇦 CA | Bulb Color: Clear | View on Amazon |
| MOTORCRAFT Fits: 3.5L V6 Turbocharged | HB135 | 🇺🇸 US 🇨🇦 CA | Bulb, IND# 9005LL | View on Amazon |
| WAGNER Fits: 3.5L V6 Turbocharged | 1265H9 | 🇺🇸 US 🇨🇦 CA | High Beamwith Factory Halogens | 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.
21 Headlamp Bulb parts for the 2021 Ford Transit 350 come from 3 brands — SYLVANIA, WAGNER and MOTORCRAFT. The "Popular" part is SYLVANIA H11LL.
Extended Life: 3 parts, from SYLVANIA and WAGNER. A representative part number is SYLVANIA H11LL.
Extra Bright (improved visibility, but shorter life): 10 parts, from SYLVANIA and WAGNER. A representative part number is WAGNER H11BLX.
In the HID (intense white light) grade, SYLVANIA and WAGNER supply 2 parts: grouped under the catalog's "HID (intense white light)" designation — the notes column spells out what sets them apart. A representative part number is SYLVANIA D5S.
The LED (instant-on, long life, energy-saving) section: 1 option from SYLVANIA. SYLVANIA 9005SL is listed in this group.
Standard Replacement: 5 parts, from SYLVANIA, WAGNER and MOTORCRAFT. A representative part number is SYLVANIA 9005.
Headlamp Bulb Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 3.5L V6 Turbocharged | 42443 | 🇺🇸 US 🇨🇦 CA | Quad Beam Headlamps | View on Amazon |
This table covers the Headlamp Bulb caps. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable.
This group shows a single part: DORMAN 42443.
Headlamp Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT Fits: 3.5L V6 Turbocharged | WPT1899 | 🇺🇸 US 🇨🇦 CA | Terminal: SilverLeads: 4 | View on Amazon |
| MOTORCRAFT Fits: 3.5L V6 Turbocharged | WPT1348 | 🇺🇸 US 🇨🇦 CA | RH | 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.
2 Headlamp Socket parts for the 2021 Ford Transit 350 come from MOTORCRAFT.
Listed part numbers: MOTORCRAFT WPT1899 and MOTORCRAFT WPT1348.
LED Bulb Adapter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: 3.5L V6 Turbocharged | CBH8H11H16 | 🇺🇸 US 🇨🇦 CA | For H8 / H11 / H16 Bulb | View on Amazon |
This table covers the LED Bulb adapters.
This group shows a single part: WAGNER CBH8H11H16.
License Plate Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: 3.5L V6 Turbocharged | 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 Fits: 3.5L V6 Turbocharged | 168ST | 🇺🇸 US 🇨🇦 CA | Cool WhiteSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.5L V6 Turbocharged | 168SL | 🇺🇸 US 🇨🇦 CA | LEDCool White | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | 168BSL | 🇺🇸 US 🇨🇦 CA | LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.5L V6 Turbocharged | 168 | 🇺🇸 US 🇨🇦 CA | 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.
SYLVANIA supplies the 5 License Plate Lamp Bulb parts for the 2021 Ford Transit 350. SYLVANIA 168LL carries the "Popular" badge.
The Extended Life section: 1 option from SYLVANIA. 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): 2 parts, from SYLVANIA. A representative part number is SYLVANIA 168SL.
The Standard Replacement section: 1 option from SYLVANIA. SYLVANIA 168 is listed in this group.
Listed part numbers: SYLVANIA 168LL, SYLVANIA 168ST and SYLVANIA 168SL, plus the other parts above.
Parking Lamp Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Fits: 3.5L V6 Turbocharged | 3357NALL | 🇺🇸 US 🇨🇦 CA | Longer LifeNatural Amber | View on Amazon |
| PHILIPS Fits: 3.5L V6 Turbocharged | 3457NALL | 🇺🇸 US 🇨🇦 CA | Longer 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.
2 Parking Lamp Bulb parts for the 2021 Ford Transit 350 come from PHILIPS.
This group includes PHILIPS 3357NALL and PHILIPS 3457NALL.
Parking Lamp Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 3.5L V6 Turbocharged | HP4525 | 🇺🇸 US 🇨🇦 CA | HandypackTerminal Gender: Male | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 3.5L V6 Turbocharged | S874 | 🇺🇸 US 🇨🇦 CA | Connector Quantity: 2Terminal Gender: Male | 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.
2 Parking Lamp Socket parts for the 2021 Ford Transit 350 come from STANDARD MOTOR PRODUCTS.
Listed part numbers: STANDARD MOTOR PRODUCTS HP4525 and STANDARD MOTOR PRODUCTS S874.
Side Marker Lamp Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 3.5L V6 Turbocharged | 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.
One part is listed for the 2021 Ford Transit 350 — DORMAN 645550.
Side Marker Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: 3.5L V6 Turbocharged | 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 Fits: 3.5L V6 Turbocharged | 168ST | 🇺🇸 US 🇨🇦 CA | Cool WhiteSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.5L V6 Turbocharged | 168SL | 🇺🇸 US 🇨🇦 CA | LEDCool White | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | 168BSL | 🇺🇸 US 🇨🇦 CA | LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.5L V6 Turbocharged | 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.
SYLVANIA supplies the 5 Side Marker Light Bulb parts for the 2021 Ford Transit 350. SYLVANIA 168LL carries the "Popular" badge.
The Extended Life section: 1 option from SYLVANIA. 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): 2 parts, from SYLVANIA. A representative part number is SYLVANIA 168SL.
The Standard Replacement section: 1 option from SYLVANIA. SYLVANIA 168 is listed in this group.
Listed part numbers: SYLVANIA 168LL, SYLVANIA 168ST and SYLVANIA 168SL, plus the other parts above.
Step / Courtesy Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: 3.5L V6 Turbocharged | 578LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: End Cap | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: 3.5L V6 Turbocharged | 578SL | 🇺🇸 US 🇨🇦 CA | LED | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | 578BLED | 🇺🇸 US 🇨🇦 CA | ZEVO | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | 578BSL | 🇺🇸 US 🇨🇦 CA | LEDBlue | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | 578LED | 🇺🇸 US 🇨🇦 CA | Cool WhiteZEVO | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.5L V6 Turbocharged | 578 | 🇺🇸 US 🇨🇦 CA | Transit-350 Base Model | View on Amazon |
This table covers the bulbs in the step and courtesy lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
SYLVANIA supplies the 6 Step / Courtesy Light Bulb parts for the 2021 Ford Transit 350. SYLVANIA 578LL carries the "Popular" badge.
The Extended Life section: 1 option from SYLVANIA. SYLVANIA 578LL is listed in this group.
LED (instant-on, long life, energy-saving): 4 parts, from SYLVANIA. A representative part number is SYLVANIA 578SL.
The Standard Replacement section: 1 option from SYLVANIA. SYLVANIA 578 is listed in this group.
Listed part numbers: SYLVANIA 578LL, SYLVANIA 578SL and SYLVANIA 578BLED, plus the other parts above.
Tail Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.5L V6 Turbocharged | 3057LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: W2.5x16q | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | 7528LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: BAY15D | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.5L V6 Turbocharged | 3057ST | 🇺🇸 US 🇨🇦 CA | Silver StarCool White | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: 3.5L V6 Turbocharged | 3057 | 🇺🇸 US 🇨🇦 CA | Base Type: W2.5x16qWattage: 26.90 W | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | 7528 | 🇺🇸 US 🇨🇦 CA | Transit-350 Base Model | 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.
5 Tail Lamp Bulb parts for the 2021 Ford Transit 350 come from SYLVANIA. The "Popular" part is SYLVANIA 3057.
Extended Life: 2 parts, from SYLVANIA. A representative part number is SYLVANIA 3057LL.
Extra Bright (improved visibility, but shorter life): 1 part, from SYLVANIA. A representative part number is SYLVANIA 3057ST.
Standard Replacement: 2 parts, from SYLVANIA. A representative part number is SYLVANIA 3057.
Listed part numbers: SYLVANIA 3057, SYLVANIA 3057LL and SYLVANIA 7528LL, plus the other parts above.
Trunk / Cargo Area Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: 3.5L V6 Turbocharged | 578LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: End Cap | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: 3.5L V6 Turbocharged | 578SL | 🇺🇸 US 🇨🇦 CA | LED | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | 578BLED | 🇺🇸 US 🇨🇦 CA | ZEVO | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | 578BSL | 🇺🇸 US 🇨🇦 CA | LEDBlue | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | 578LED | 🇺🇸 US 🇨🇦 CA | Cool WhiteZEVO | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.5L V6 Turbocharged | 578 | 🇺🇸 US 🇨🇦 CA | Transit-350 Base Model | 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.
6 Trunk / Cargo Area Light Bulb parts for the 2021 Ford Transit 350 come from SYLVANIA. The "Popular" part is SYLVANIA 578LL.
Extended Life: 1 part, from SYLVANIA. A representative part number is SYLVANIA 578LL.
The LED (instant-on, long life, energy-saving) section: 4 options from SYLVANIA. SYLVANIA 578SL is listed in this group.
Standard Replacement: 1 part, from SYLVANIA. A representative part number is SYLVANIA 578.
This group includes SYLVANIA 578LL, SYLVANIA 578SL and SYLVANIA 578BLED and the remaining parts above.
Turn Signal Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: 3.5L V6 Turbocharged | 3057LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: W2.5x16q | View on Amazon |
| SYLVANIA Popular Fits: 3.5L V6 Turbocharged | 3457ALL | 🇺🇸 US 🇨🇦 CA | Long LifeAmber | View on Amazon |
| PHILIPS Fits: 3.5L V6 Turbocharged | 3357NALL | 🇺🇸 US 🇨🇦 CA | Longer LifeNatural Amber | View on Amazon |
| PHILIPS Fits: 3.5L V6 Turbocharged | 3457NALL | 🇺🇸 US 🇨🇦 CA | Longer LifeNatural Amber | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | 7507LL | 🇺🇸 US 🇨🇦 CA | AmberLong Life | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | 2827LL | 🇺🇸 US 🇨🇦 CA | Long LifeAmber | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: 3.5L V6 Turbocharged | 3057ST | 🇺🇸 US 🇨🇦 CA | Silver StarCool White | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: 3.5L V6 Turbocharged | 3057 | 🇺🇸 US 🇨🇦 CA | Base Type: W2.5x16qWattage: 26.90 W | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | 7507 | 🇺🇸 US 🇨🇦 CA | RearTransit-350 Base Model | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | 3457A | 🇺🇸 US 🇨🇦 CA | Amber | View on Amazon |
| SYLVANIA Fits: 3.5L V6 Turbocharged | 2827 | 🇺🇸 US 🇨🇦 CA | Transit-350 Base Modelwith 5 watt | 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 are listed for the 2021 Ford Transit 350, from SYLVANIA and PHILIPS. SYLVANIA 3057LL carries the "Popular" badge.
The Extended Life section: 6 options from SYLVANIA and PHILIPS. SYLVANIA 3057LL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 3057ST is listed in this group.
The Standard Replacement section: 4 options from SYLVANIA. SYLVANIA 3057 is listed in this group.
Turn Signal Lamp Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 3.5L V6 Turbocharged | HP4525 | 🇺🇸 US 🇨🇦 CA | HandypackTerminal Gender: Male | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 3.5L V6 Turbocharged | S874 | 🇺🇸 US 🇨🇦 CA | Connector Quantity: 2Terminal Gender: Male | 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.
STANDARD MOTOR PRODUCTS supplies both parts for the 2021 Ford Transit 350.
Part numbers include STANDARD MOTOR PRODUCTS HP4525 and STANDARD MOTOR PRODUCTS S874.
Buying Electrical Bulb & Socket Parts for a 2021 Ford Transit 350
On this vehicle, the bulb and socket system covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination.
- Match the engine first. Every electrical bulb & socket part here is engine-specific; each row shows which engine(s) it fits.
- 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 2021 Ford Transit 350?
Our catalog currently lists 116 electrical bulb & socket parts for the 2021 Ford Transit 350 across 20 subcategories and 7 brands, covering both the 3.5L V6 and the 3.5L V6 Turbocharged. Each part is matched to the engine(s) it fits.
Do electrical bulb & socket parts differ between 2021 Ford Transit 350 engines?
Yes. Every electrical bulb & socket part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of electrical bulb & socket problems on a 2021 Ford Transit 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 Transit 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 Transit 350?
First match the engine — each row shows which engine(s) the part fits. 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 Transit 350
Electrical Bulb & Socket Parts for Other Ford Transit 350 Years
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