This page lists 175 electrical bulb & socket parts for the 2020 Ram 3500, across 22 part types, covering both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged. Every part shows its brand, manufacturer part number and fitment notes.
The bulb and socket system on the 2020 Ram 3500 covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination. The largest groups are Headlamp Bulb (23 parts), Back Up / Reverse Lamp Bulb (15 parts) and Fog / Driving Lamp Bulb (14 parts). The other 19 part types cover the remaining 123 parts.
The 2020 Ram 3500 was sold with both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged. All 175 parts on this page fit every engine.
10 brands supply electrical bulb & socket parts for the 2020 Ram 3500, led by SYLVANIA (83 parts), WAGNER (43 parts) and HELLA (25 parts), plus 7 more brands. Quality grades include Standard Replacement, Extended Life and Extra Bright.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2020 Ram 3500. 37 parts have it, including SYLVANIA 921LL (Back Up / Reverse Lamp Bulb) and HELLA 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 |
|---|---|---|---|---|
| SYLVANIA Popular Fits: all 2020 3500 engines | 921LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| HELLA Fits: all 2020 3500 engines | 921LL | 🇺🇸 US 🇨🇦 CA | IncandescentLong Life | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 7440LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: W3X16D | View on Amazon |
| WAGNER Fits: all 2020 3500 engines | 921LL | 🇺🇸 US 🇨🇦 CA | Long LifeWedge Base | View on Amazon |
| WAGNER Fits: all 2020 3500 engines | 7440LL | 🇺🇸 US 🇨🇦 CA | Long LifeSingle Contact Wedge Base | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2020 3500 engines | 921ST | 🇺🇸 US 🇨🇦 CA | Cool WhiteSilver Star | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 7440ST | 🇺🇸 US 🇨🇦 CA | Cool WhiteSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: all 2020 3500 engines | 921WLED | 🇺🇸 US 🇨🇦 CA | LEDWhite | View on Amazon |
| WAGNER Fits: all 2020 3500 engines | 7440WLED | 🇺🇸 US 🇨🇦 CA | LEDWhite | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: all 2020 3500 engines | 921 | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| WAGNER Popular Fits: all 2020 3500 engines | 921 | 🇺🇸 US 🇨🇦 CA | Bulb Type: T-5 Bulb 5/8 (16mm) DiameterVoltage: 12.800 Volts (Direct Current) | View on Amazon |
| HELLA Fits: all 2020 3500 engines | 7440 | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: W3X16D | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 921 | 🇺🇸 US 🇨🇦 CA | Base Type: W2.1x9.2dWattage: 18.00 W | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 7440 | 🇺🇸 US 🇨🇦 CA | Base Type: W3X16DWattage: 25.00 W | View on Amazon |
| WAGNER Fits: all 2020 3500 engines | 7440 | 🇺🇸 US 🇨🇦 CA | 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.
15 Back Up / Reverse Lamp Bulb parts for the 2020 Ram 3500 come from 3 brands — SYLVANIA, WAGNER and HELLA. The "Popular" part is SYLVANIA 921LL. Every part fits both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged.
In the Extended Life grade, SYLVANIA, WAGNER and HELLA supply 5 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 2 parts: 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 2 options 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, WAGNER and SYLVANIA supply 6 parts: built to original-equipment specification. A representative part number is HELLA 921.
Brake Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2020 3500 engines | 3157LL | 🇺🇸 US 🇨🇦 CA | Incandescent27/8W | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 3157LL | 🇺🇸 US 🇨🇦 CA | Base Type: W2.5x16qLong Life | View on Amazon |
| WAGNER Fits: all 2020 3500 engines | 7443LL | 🇺🇸 US 🇨🇦 CA | Long LifeDouble Contact Wedge Base | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2020 3500 engines | 3157ST | 🇺🇸 US 🇨🇦 CA | Silver StarCool White | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Fits: all 2020 3500 engines | 3157RLED | 🇺🇸 US 🇨🇦 CA | Ultinon LEDRed | View on Amazon |
| WAGNER Fits: all 2020 3500 engines | 7443LEDW | 🇺🇸 US 🇨🇦 CA | LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: all 2020 3500 engines | 3157 | 🇺🇸 US 🇨🇦 CA | Incandescent27/7W | View on Amazon |
| WAGNER Popular Fits: all 2020 3500 engines | 7443 | 🇺🇸 US 🇨🇦 CA | Double Contact Wedge Base21.000 Watt | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 3157 | 🇺🇸 US 🇨🇦 CA | Base Type: W2.5x16qWattage: 27.00 W | 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.
9 Brake Light Bulb parts for the 2020 Ram 3500 come from 4 brands — SYLVANIA, WAGNER, HELLA and 1 other brand. The "Popular" part is HELLA 3157. Every part fits both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged.
Extended Life: 3 parts, from HELLA, SYLVANIA and WAGNER. A representative part number is HELLA 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: 2 options from PHILIPS and WAGNER. PHILIPS 3157RLED is listed in this group.
Standard Replacement: 3 parts, from HELLA, WAGNER and SYLVANIA. A representative part number is HELLA 3157.
Listed part numbers: HELLA 3157, HELLA 3157LL and WAGNER 7443LL, plus the other parts above.
Brake Light Bulb - High Mount
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: all 2020 3500 engines | 921LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| HELLA Fits: all 2020 3500 engines | 921LL | 🇺🇸 US 🇨🇦 CA | IncandescentLong Life | View on Amazon |
| WAGNER Fits: all 2020 3500 engines | 921LL | 🇺🇸 US 🇨🇦 CA | Long LifeWedge Base | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2020 3500 engines | 921ST | 🇺🇸 US 🇨🇦 CA | Cool WhiteSilver Star | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: all 2020 3500 engines | 921 | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 921 | 🇺🇸 US 🇨🇦 CA | Base Type: W2.1x9.2dWattage: 18.00 W | View on Amazon |
| WAGNER Fits: all 2020 3500 engines | 921 | 🇺🇸 US 🇨🇦 CA | Bulb Type: T-5 Bulb 5/8 (16mm) DiameterVoltage: 12.800 Volts (Direct Current) | 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.
7 Brake Light Bulb - High Mount parts for the 2020 Ram 3500 come from 3 brands — SYLVANIA, HELLA and WAGNER. The "Popular" part is SYLVANIA 921LL. Every part fits both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged.
Extended Life: 3 parts, from SYLVANIA, HELLA and WAGNER. A representative part number is SYLVANIA 921LL.
Extra Bright (improved visibility, but shorter life): 1 part, from SYLVANIA. A representative part number is SYLVANIA 921ST.
Standard Replacement: 3 parts, from HELLA, SYLVANIA and WAGNER. A representative part number is HELLA 921.
Listed part numbers: SYLVANIA 921LL, plus the other parts above.
Brake Light Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: all 2020 3500 engines | 645118 | 🇺🇸 US 🇨🇦 CA | Terminal Gender: Female | View on Amazon |
This table covers the sockets that hold a Brake 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.
This group shows a single part: DORMAN 645118.
Dome Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Popular Fits: all 2020 3500 engines | 578LL | 🇺🇸 US 🇨🇦 CA | Longer Life | View on Amazon |
| SYLVANIA Popular Fits: all 2020 3500 engines | 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 Fits: all 2020 3500 engines | 578SL | 🇺🇸 US 🇨🇦 CA | LED | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 578BLED | 🇺🇸 US 🇨🇦 CA | ZEVO | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 578BSL | 🇺🇸 US 🇨🇦 CA | LEDBlue | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 578LED | 🇺🇸 US 🇨🇦 CA | Cool WhiteZEVO | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2020 3500 engines | 578 | 🇺🇸 US 🇨🇦 CA | 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.
7 Dome Light Bulb parts for the 2020 Ram 3500 come from 2 brands — SYLVANIA and PHILIPS. The "Popular" part is PHILIPS 578LL. Every part fits both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged.
Extended Life: 2 parts, from PHILIPS and SYLVANIA. A representative part number is PHILIPS 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.
Listed part numbers: PHILIPS 578LL and SYLVANIA 578SL, plus the other parts above.
Engine Compartment Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2020 3500 engines | 561LL | 🇺🇸 US 🇨🇦 CA | Base Type: Rigid LoopLong Life | View on Amazon |
| WAGNER Fits: all 2020 3500 engines | 561LL | 🇺🇸 US 🇨🇦 CA | Long LifeRigid Loop Base | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Popular Fits: all 2020 3500 engines | 561 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SYLVANIA Fits: all 2020 3500 engines | 561 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WAGNER Fits: all 2020 3500 engines | 561 | 🇺🇸 US 🇨🇦 CA | Rigid Loop Base12.420 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.
5 Engine Compartment Light Bulb parts are listed for the 2020 Ram 3500, from SYLVANIA, WAGNER and PHILIPS. PHILIPS 561 carries the "Popular" badge. All of them fit every engine offered in the 2020 3500.
The Extended Life section: 2 options from SYLVANIA and WAGNER. SYLVANIA 561LL is listed in this group.
The Standard Replacement section: 3 options from PHILIPS, SYLVANIA and WAGNER. PHILIPS 561 is listed in this group.
Part numbers include PHILIPS 561 and SYLVANIA 561LL, among others listed above.
Fog / Driving Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: all 2020 3500 engines | H11LL | 🇺🇸 US 🇨🇦 CA | Long Life | View on Amazon |
| WAGNER Fits: all 2020 3500 engines | 1255H11LL | 🇺🇸 US 🇨🇦 CA | Long Life | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2020 3500 engines | H1120 | 🇺🇸 US 🇨🇦 CA | HalogenSocket Type Bulb: PGJ19-2 | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | H11XV | 🇺🇸 US 🇨🇦 CA | Xtra VisionColor Temperature: 3200 KV | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | H11SU | 🇺🇸 US 🇨🇦 CA | Silver Star UltraColor Temperature: 4100 KV | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | H11ST | 🇺🇸 US 🇨🇦 CA | Color Temperature: 4000 KVSilver Star | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | H11SZGP | 🇺🇸 US 🇨🇦 CA | Silver Star zXe GOLDBase Type: PGJ19 | View on Amazon |
| WAGNER Fits: all 2020 3500 engines | H11BLX | 🇺🇸 US 🇨🇦 CA | BritelitePGJ19-2 Base | View on Amazon |
| WAGNER Fits: all 2020 3500 engines | H11TVX | 🇺🇸 US 🇨🇦 CA | Truview Plus1.733 Base | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2020 3500 engines | H11LEDSP | 🇺🇸 US 🇨🇦 CA | LEDBase Type: PGJ19-2 | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | H11LEDHP | 🇺🇸 US 🇨🇦 CA | LED ULTRABase Type: PGJ19-2 | View on Amazon |
| WAGNER Fits: all 2020 3500 engines | H11LED | 🇺🇸 US 🇨🇦 CA | LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: all 2020 3500 engines | H11 | 🇺🇸 US 🇨🇦 CA | Base Type: PGJ19-2 | View on Amazon |
| WAGNER Popular Fits: all 2020 3500 engines | 1255H11 | 🇺🇸 US 🇨🇦 CA | Bulb Color: Clear | 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.
14 Fog / Driving Lamp Bulb parts are listed for the 2020 Ram 3500, from SYLVANIA, WAGNER and HELLA. SYLVANIA H11LL carries the "Popular" badge. All of them fit every engine offered in the 2020 3500.
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: 7 options from SYLVANIA, WAGNER and HELLA. HELLA H1120 is listed in this group.
LED (instant-on, long life, energy-saving): 3 parts, from SYLVANIA and WAGNER. A representative part number is SYLVANIA H11LEDSP.
The Standard Replacement section: 2 options from SYLVANIA and WAGNER. SYLVANIA H11 is listed in this group.
Glove Box Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2020 3500 engines | 194LL | 🇺🇸 US 🇨🇦 CA | IncandescentLong Life | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 194LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| WAGNER Fits: all 2020 3500 engines | 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 Fits: all 2020 3500 engines | 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 Fits: all 2020 3500 engines | 194BSL | 🇺🇸 US 🇨🇦 CA | LEDBlue | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 194SL | 🇺🇸 US 🇨🇦 CA | LEDCool White | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 194BLED | 🇺🇸 US 🇨🇦 CA | BlueZEVO | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 194LED | 🇺🇸 US 🇨🇦 CA | ZEVOCool White | View on Amazon |
| WAGNER Fits: all 2020 3500 engines | 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 |
|---|---|---|---|---|
| HELLA Popular Fits: all 2020 3500 engines | 194 | 🇺🇸 US 🇨🇦 CA | Brightness: 2.0 CPIncandescent | View on Amazon |
| SYLVANIA Popular Fits: all 2020 3500 engines | 194 | 🇺🇸 US 🇨🇦 CA | Base Type: W2.1x9.2dWattage: 3.80 W | View on Amazon |
| WAGNER Popular Fits: all 2020 3500 engines | 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.
12 Glove Box Light Bulb parts are listed for the 2020 Ram 3500, from SYLVANIA, WAGNER and HELLA. HELLA 194 carries the "Popular" badge. All of them fit every engine offered in the 2020 3500.
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 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: 3 options from HELLA, SYLVANIA and WAGNER. HELLA 194 is listed in this group.
Headlamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: all 2020 3500 engines | H11LL | 🇺🇸 US 🇨🇦 CA | Long Life | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 9005LL | 🇺🇸 US 🇨🇦 CA | Long Life | View on Amazon |
| WAGNER Fits: all 2020 3500 engines | 1255H11LL | 🇺🇸 US 🇨🇦 CA | Long Life | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2020 3500 engines | H1120 | 🇺🇸 US 🇨🇦 CA | HalogenSocket Type Bulb: PGJ19-2 | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 9005XV | 🇺🇸 US 🇨🇦 CA | Xtra VisionColor Temperature: 3200 KV | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | H11XV | 🇺🇸 US 🇨🇦 CA | Xtra VisionColor Temperature: 3200 KV | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 9005SU | 🇺🇸 US 🇨🇦 CA | Silver Star UltraColor Temperature: 4100 KV | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | H11SU | 🇺🇸 US 🇨🇦 CA | Silver Star UltraColor Temperature: 4100 KV | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 9005ST | 🇺🇸 US 🇨🇦 CA | Silver StarColor Temperature: 4000 KV | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | H11ST | 🇺🇸 US 🇨🇦 CA | Color Temperature: 4000 KVSilver Star | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 9005SZG | 🇺🇸 US 🇨🇦 CA | Silver Star zXe GOLDColor Temperature: 4200 KV | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | H11SZGP | 🇺🇸 US 🇨🇦 CA | Silver Star zXe GOLDBase Type: PGJ19 | View on Amazon |
| WAGNER Fits: all 2020 3500 engines | 9005TVX | 🇺🇸 US 🇨🇦 CA | HID Look | View on Amazon |
| WAGNER Fits: all 2020 3500 engines | 9005BLX | 🇺🇸 US 🇨🇦 CA | Long Life80% More Light | View on Amazon |
| WAGNER Fits: all 2020 3500 engines | H11BLX | 🇺🇸 US 🇨🇦 CA | BritelitePGJ19-2 Base | View on Amazon |
| WAGNER Fits: all 2020 3500 engines | H11TVX | 🇺🇸 US 🇨🇦 CA | Truview Plus1.733 Base | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2020 3500 engines | 9005SL | 🇺🇸 US 🇨🇦 CA | LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: all 2020 3500 engines | 9005 | 🇺🇸 US 🇨🇦 CA | HalogenSocket Type Bulb: P20D | View on Amazon |
| SYLVANIA Popular Fits: all 2020 3500 engines | 9005 | 🇺🇸 US 🇨🇦 CA | Base Type: P20D | View on Amazon |
| SYLVANIA Popular Fits: all 2020 3500 engines | H11 | 🇺🇸 US 🇨🇦 CA | Base Type: PGJ19-2 | View on Amazon |
| WAGNER Popular Fits: all 2020 3500 engines | 1255H11 | 🇺🇸 US 🇨🇦 CA | Bulb Color: Clear | View on Amazon |
| WAGNER Fits: all 2020 3500 engines | 9005 | 🇺🇸 US 🇨🇦 CA | Voltage: 12.800 Volts (Direct Current) | View on Amazon |
| WAGNER Fits: all 2020 3500 engines | 9005L | 🇺🇸 US 🇨🇦 CA | Long Life | View on Amazon |
This table covers the bulbs that light the headlamps. Typical signs include a dark lamp, a flicker over bumps, or a bulb that keeps failing on one side. Avoid touching a halogen capsule. Repeated failure in one socket is usually the socket or ground, not the bulb.
23 Headlamp Bulb parts are listed for the 2020 Ram 3500, from SYLVANIA, WAGNER and HELLA. SYLVANIA H11LL carries the "Popular" badge. All of them fit every engine offered in the 2020 3500.
The Extended Life section: 3 options from SYLVANIA and WAGNER. SYLVANIA H11LL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section: 13 options from SYLVANIA, WAGNER and HELLA. HELLA H1120 is listed in this group.
LED (instant-on, long life, energy-saving): 1 part, from SYLVANIA. A representative part number is SYLVANIA 9005SL.
The Standard Replacement section: 6 options from WAGNER, SYLVANIA and HELLA. HELLA 9005 is listed in this group.
Headlamp Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: all 2020 3500 engines | HP3835 | 🇺🇸 US 🇨🇦 CA | HandypackConnector Shape: Oval | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: all 2020 3500 engines | S553 | 🇺🇸 US 🇨🇦 CA | Connector Shape: OvalContact Terminal Material: Metal | View on Amazon |
| ACDELCO Fits: all 2020 3500 engines | LS255 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| ACDELCO Fits: all 2020 3500 engines | PT2298 | 🇺🇸 US 🇨🇦 CA | GoldHeight (In): 1.5 in | View on Amazon |
| ROSTRA Fits: all 2020 3500 engines | 610023 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: all 2020 3500 engines | HP3970 | 🇺🇸 US 🇨🇦 CA | Handypack | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2020 3500 engines | S524 | 🇺🇸 US 🇨🇦 CA | Weather Resistant: YES | View on Amazon |
| WALKER PRODUCTS Fits: all 2020 3500 engines | 2701125 | 🇺🇸 US 🇨🇦 CA | with Halogen HeadlightsHigh Beam | View on Amazon |
| WELLS Fits: all 2020 3500 engines | 6S1047 | 🇺🇸 US 🇨🇦 CA | Gender: MaleWire Gauge Measurement: 18 | View on Amazon |
| WELLS Fits: all 2020 3500 engines | 1P1032 | 🇺🇸 US 🇨🇦 CA | Fits Low Beamwith Factory Halogen Headlightsor with Factory Halogen Headlights | 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.
10 Headlamp Socket parts are listed for the 2020 Ram 3500, from STANDARD MOTOR PRODUCTS, ACDELCO, WELLS and 2 other brands. STANDARD MOTOR PRODUCTS HP3835 carries the "Popular" badge. All of them fit every engine offered in the 2020 3500.
LED Bulb Adapter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: all 2020 3500 engines | CB900590069012 | 🇺🇸 US 🇨🇦 CA | LEDFor 9005 / 9006 / 9012 Bulb | View on Amazon |
| WAGNER Fits: all 2020 3500 engines | CBH8H11H16 | 🇺🇸 US 🇨🇦 CA | For H8 / H11 / H16 Bulb | View on Amazon |
This table covers the LED Bulb adapters.
WAGNER supplies both parts for the 2020 Ram 3500. All of them fit every engine offered in the 2020 3500.
Part numbers include WAGNER CB900590069012 and WAGNER CBH8H11H16.
License Plate Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2020 3500 engines | 194LL | 🇺🇸 US 🇨🇦 CA | IncandescentLong Life | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 194LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| WAGNER Fits: all 2020 3500 engines | 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 Fits: all 2020 3500 engines | 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 Fits: all 2020 3500 engines | 194BSL | 🇺🇸 US 🇨🇦 CA | LEDBlue | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 194SL | 🇺🇸 US 🇨🇦 CA | LEDCool White | View on Amazon |
| WAGNER Fits: all 2020 3500 engines | 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 |
|---|---|---|---|---|
| HELLA Popular Fits: all 2020 3500 engines | 194 | 🇺🇸 US 🇨🇦 CA | Brightness: 2.0 CPIncandescent | View on Amazon |
| WAGNER Popular Fits: all 2020 3500 engines | 194 | 🇺🇸 US 🇨🇦 CA | Wedge Base3.780 Watt | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 194 | 🇺🇸 US 🇨🇦 CA | Base Type: W2.1x9.2dWattage: 3.80 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.
10 License Plate Lamp Bulb parts for the 2020 Ram 3500 come from 3 brands — SYLVANIA, WAGNER and HELLA. The "Popular" part is HELLA 194. Every part fits both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged.
Extended Life: 3 parts, from HELLA, SYLVANIA and WAGNER. A representative part number is HELLA 194LL.
Extra Bright (improved visibility, but shorter life): 1 part, from SYLVANIA. A representative part number is SYLVANIA 194ST.
The LED (instant-on, long life, energy-saving) section: 3 options from SYLVANIA and WAGNER. SYLVANIA 194BSL is listed in this group.
Standard Replacement: 3 parts, from HELLA, WAGNER and SYLVANIA. A representative part number is HELLA 194.
Map / Reading Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Popular Fits: all 2020 3500 engines | 578LL | 🇺🇸 US 🇨🇦 CA | Longer Life | View on Amazon |
| SYLVANIA Popular Fits: all 2020 3500 engines | 578LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: End Cap | View on Amazon |
| WAGNER Fits: all 2020 3500 engines | 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 Fits: all 2020 3500 engines | 578SL | 🇺🇸 US 🇨🇦 CA | LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2020 3500 engines | 578 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WAGNER Fits: all 2020 3500 engines | 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.
6 Map / Reading Light Bulb parts for the 2020 Ram 3500 come from 3 brands — SYLVANIA, WAGNER and PHILIPS. The "Popular" part is PHILIPS 578LL. Every part fits both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged.
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: 2 parts, from SYLVANIA and WAGNER. A representative part number is SYLVANIA 578.
This group includes PHILIPS 578LL and the remaining parts above.
Parking Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Fits: all 2020 3500 engines | 7444NALL | 🇺🇸 US 🇨🇦 CA | Longer LifeNatural Amber | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 7444NALL | 🇺🇸 US 🇨🇦 CA | Long LifeAmber | View on Amazon |
| WAGNER Fits: all 2020 3500 engines | 7444NALL | 🇺🇸 US 🇨🇦 CA | Long LifeNatural Amber | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WAGNER Fits: all 2020 3500 engines | 7444NA | 🇺🇸 US 🇨🇦 CA | Natural Amber | View on Amazon |
This table covers the bulbs in the parking lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
4 Parking Lamp Bulb parts are listed for the 2020 Ram 3500, from WAGNER, PHILIPS and SYLVANIA. All of them fit every engine offered in the 2020 3500.
The Extended Life section: 3 options from PHILIPS, SYLVANIA and WAGNER. PHILIPS 7444NALL is listed in this group.
The Standard Replacement section: 1 option from WAGNER. WAGNER 7444NA is listed in this group.
This group includes PHILIPS 7444NALL and the remaining parts above.
Roof Marker & Identification Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Fits: all 2020 3500 engines | 194NALL | 🇺🇸 US 🇨🇦 CA | Longer LifeNatural Amber | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 194NALL | 🇺🇸 US 🇨🇦 CA | AmberLong Life | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2020 3500 engines | 194NA | 🇺🇸 US 🇨🇦 CA | IncandescentBrightness: 1.5 CP | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 194NA | 🇺🇸 US 🇨🇦 CA | AmberBase Type: W2.1x9.2d | 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.
4 Roof Marker & Identification Light Bulb parts are listed for the 2020 Ram 3500, from SYLVANIA, PHILIPS and HELLA. All of them fit every engine offered in the 2020 3500.
The Extended Life section: 2 options from PHILIPS and SYLVANIA. PHILIPS 194NALL is listed in this group.
The Standard Replacement section: 2 options from HELLA and SYLVANIA. HELLA 194NA is listed in this group.
This group includes PHILIPS 194NALL and HELLA 194NA and the remaining parts above.
Side Marker Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: all 2020 3500 engines | 194LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 2825LL | 🇺🇸 US 🇨🇦 CA | 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 2020 3500 engines | 2825ST | 🇺🇸 US 🇨🇦 CA | BlueSilver Star | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 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 Fits: all 2020 3500 engines | 194BSL | 🇺🇸 US 🇨🇦 CA | LEDBlue | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 194SL | 🇺🇸 US 🇨🇦 CA | LEDCool White | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 2825SL | 🇺🇸 US 🇨🇦 CA | LEDCool White | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: all 2020 3500 engines | 2825 | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| SYLVANIA Popular Fits: all 2020 3500 engines | 194 | 🇺🇸 US 🇨🇦 CA | Base Type: W2.1x9.2dWattage: 3.80 W | View on Amazon |
| HELLA Fits: all 2020 3500 engines | 2825BL | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 2825 | 🇺🇸 US 🇨🇦 CA | Base Type: W2.1x9.5dWattage: 5.00 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.
11 Side Marker Light Bulb parts for the 2020 Ram 3500 come from 2 brands — SYLVANIA and HELLA. The "Popular" part is SYLVANIA 194LL. Every part fits both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged.
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 2825ST.
The LED (instant-on, long life, energy-saving) section: 3 options from SYLVANIA. SYLVANIA 194BSL is listed in this group.
Standard Replacement: 4 parts, from HELLA and SYLVANIA. A representative part number is HELLA 2825.
Step / Courtesy Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2020 3500 engines | 2122LL | 🇺🇸 US 🇨🇦 CA | Base Type: Double-End CapLong Life | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Fits: all 2020 3500 engines | 2122 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SYLVANIA Fits: all 2020 3500 engines | 2122 | 🇺🇸 US 🇨🇦 CA | 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.
3 Step / Courtesy Light Bulb parts for the 2020 Ram 3500 come from 2 brands — SYLVANIA and PHILIPS. Every part fits both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged.
Extended Life: 1 part, from SYLVANIA. A representative part number is SYLVANIA 2122LL.
Standard Replacement: 2 parts, from PHILIPS and SYLVANIA. A representative part number is PHILIPS 2122.
This group includes SYLVANIA 2122LL and PHILIPS 2122 and the remaining parts above.
Tail Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Fits: all 2020 3500 engines | 3157LL | 🇺🇸 US 🇨🇦 CA | Incandescent27/8W | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 3157LL | 🇺🇸 US 🇨🇦 CA | Base Type: W2.5x16qLong Life | View on Amazon |
| WAGNER Fits: all 2020 3500 engines | 7443LL | 🇺🇸 US 🇨🇦 CA | Long LifeDouble Contact Wedge Base | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2020 3500 engines | 3157ST | 🇺🇸 US 🇨🇦 CA | Silver StarCool White | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Fits: all 2020 3500 engines | 3157RLED | 🇺🇸 US 🇨🇦 CA | Ultinon LEDRed | View on Amazon |
| WAGNER Fits: all 2020 3500 engines | 7443LEDW | 🇺🇸 US 🇨🇦 CA | LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: all 2020 3500 engines | 2825 | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| HELLA Popular Fits: all 2020 3500 engines | 3157 | 🇺🇸 US 🇨🇦 CA | Incandescent27/7W | View on Amazon |
| WAGNER Popular Fits: all 2020 3500 engines | 7443 | 🇺🇸 US 🇨🇦 CA | Double Contact Wedge Base21.000 Watt | View on Amazon |
| HELLA Fits: all 2020 3500 engines | 7440 | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: W3X16D | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 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.
11 Tail Lamp Bulb parts are listed for the 2020 Ram 3500, from HELLA, SYLVANIA, WAGNER and 1 other brand. HELLA 2825 carries the "Popular" badge. All of them fit every engine offered in the 2020 3500.
The Extended Life section: 3 options from HELLA, SYLVANIA and WAGNER. HELLA 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): 2 parts, from PHILIPS and WAGNER. A representative part number is PHILIPS 3157RLED.
The Standard Replacement section: 5 options from HELLA, WAGNER and SYLVANIA. HELLA 2825 is listed in this group.
Tail Lamp Socket / Connector Plate
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: all 2020 3500 engines | 645118 | 🇺🇸 US 🇨🇦 CA | Terminal Gender: Female | View on Amazon |
| WELLS Fits: all 2020 3500 engines | 1P3339 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Tail Lamp Socket / Connector plates. Typical signs include warpage, cracks, or a plate that no longer locates the assembly. Confirm which plate the notes describe — backing plates, clutch plates and strike plates are different parts.
2 Tail Lamp Socket / Connector Plate parts are listed for the 2020 Ram 3500, from DORMAN and WELLS. All of them fit every engine offered in the 2020 3500.
Listed part numbers: DORMAN 645118 and WELLS 1P3339.
Trunk / Cargo Area Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: all 2020 3500 engines | 921LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: W2.1x9.2d | View on Amazon |
| HELLA Fits: all 2020 3500 engines | 921LL | 🇺🇸 US 🇨🇦 CA | IncandescentLong Life | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2020 3500 engines | 921ST | 🇺🇸 US 🇨🇦 CA | Cool WhiteSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2020 3500 engines | 921RSL | 🇺🇸 US 🇨🇦 CA | LEDRed | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 921SL | 🇺🇸 US 🇨🇦 CA | Cool WhiteLED | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 921LED | 🇺🇸 US 🇨🇦 CA | Cool WhiteZEVO | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: all 2020 3500 engines | 921 | 🇺🇸 US 🇨🇦 CA | IncandescentSocket Type Bulb: W2.1x9.5d | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 921 | 🇺🇸 US 🇨🇦 CA | Base Type: W2.1x9.2dWattage: 18.00 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.
8 Trunk / Cargo Area Light Bulb parts are listed for the 2020 Ram 3500, from SYLVANIA and HELLA. SYLVANIA 921LL carries the "Popular" badge. All of them fit every engine offered in the 2020 3500.
The Extended Life section: 2 options from SYLVANIA and HELLA. SYLVANIA 921LL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 921ST is listed in this group.
LED (instant-on, long life, energy-saving): 3 parts, from SYLVANIA. A representative part number is SYLVANIA 921RSL.
The Standard Replacement section: 2 options from HELLA and SYLVANIA. HELLA 921 is listed in this group.
Listed part numbers: SYLVANIA 921LL and SYLVANIA 921ST, plus the other parts above.
Turn Signal Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PHILIPS Popular Fits: all 2020 3500 engines | 7444NALL | 🇺🇸 US 🇨🇦 CA | Longer LifeNatural Amber | View on Amazon |
| HELLA Fits: all 2020 3500 engines | 3157LL | 🇺🇸 US 🇨🇦 CA | Incandescent27/8W | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 3157LL | 🇺🇸 US 🇨🇦 CA | Base Type: W2.5x16qLong Life | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 7444NALL | 🇺🇸 US 🇨🇦 CA | Long LifeAmber | View on Amazon |
| WAGNER Fits: all 2020 3500 engines | 7444NALL | 🇺🇸 US 🇨🇦 CA | Long LifeNatural Amber | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2020 3500 engines | 3157ST | 🇺🇸 US 🇨🇦 CA | Silver StarCool White | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: all 2020 3500 engines | 3157 | 🇺🇸 US 🇨🇦 CA | Incandescent27/7W | View on Amazon |
| SYLVANIA Fits: all 2020 3500 engines | 3157 | 🇺🇸 US 🇨🇦 CA | Base Type: W2.5x16qWattage: 27.00 W | View on Amazon |
| WAGNER Fits: all 2020 3500 engines | 7444NA | 🇺🇸 US 🇨🇦 CA | 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.
9 Turn Signal Lamp Bulb parts for the 2020 Ram 3500 come from 4 brands — SYLVANIA, HELLA, WAGNER and 1 other brand. The "Popular" part is PHILIPS 7444NALL. Every part fits both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged.
Extended Life: 5 parts, from SYLVANIA, PHILIPS, HELLA and 1 other brand. A representative part number is PHILIPS 7444NALL.
Extra Bright (improved visibility, but shorter life): 1 part, from SYLVANIA. A representative part number is SYLVANIA 3157ST.
Standard Replacement: 3 parts, from HELLA, SYLVANIA and WAGNER. A representative part number is HELLA 3157.
This group includes PHILIPS 7444NALL and HELLA 3157LL and the remaining parts above.
Turn Signal Lamp Socket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: all 2020 3500 engines | 645118 | 🇺🇸 US 🇨🇦 CA | Terminal Gender: Female | View on Amazon |
| WELLS Fits: all 2020 3500 engines | 1P3339 | 🇺🇸 US 🇨🇦 CA | Rear | 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 2020 Ram 3500 come from 2 brands — DORMAN and WELLS. Every part fits both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged.
This group includes DORMAN 645118 and WELLS 1P3339.
Buying Electrical Bulb & Socket Parts for a 2020 Ram 3500
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 both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged.
- 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 Back Up / Reverse Lamp Bulb .
Frequently Asked Questions
How many electrical bulb & socket parts fit the 2020 Ram 3500?
Our catalog currently lists 175 electrical bulb & socket parts for the 2020 Ram 3500 across 22 subcategories and 10 brands, covering both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged. Each part is matched to the engine(s) it fits.
Do electrical bulb & socket parts differ between 2020 Ram 3500 engines?
No. On this page every electrical bulb & socket part fits both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged. 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 2020 Ram 3500?
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 2020 Ram 3500 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 2020 Ram 3500?
Every part on this page already fits both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged. 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 2020 Ram 3500
Electrical Bulb & Socket Parts for Other Ram 3500 Years
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