This page lists 52 electrical bulb & socket parts for the 2025 Ram 2500, across 10 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 2025 Ram 2500 covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination. The largest groups are Headlamp Bulb (13 parts), Fog / Driving Lamp Bulb (8 parts) and Glove Box Light Bulb (7 parts). The other 7 part types cover the remaining 24 parts.
The 2025 Ram 2500 was sold with both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged. All 52 parts on this page fit every engine.
Every electrical bulb & socket part listed for the 2025 Ram 2500 comes from SYLVANIA. Quality grades include Extra Bright, LED and Extended Life.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2025 Ram 2500. 11 parts have it, including SYLVANIA 578LL (Dome Light Bulb) and SYLVANIA H11LL (Fog / Driving Lamp 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 Fits: all 2025 2500 engines | 7440LL | 🇺🇸 US 🇨🇦 CA | Long LifeBase Type: W3X16D | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2025 2500 engines | 7440ST | 🇺🇸 US 🇨🇦 CA | Cool WhiteSilver Star | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2025 2500 engines | 7440 | 🇺🇸 US 🇨🇦 CA | Base Type: W3X16DWattage: 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.
3 Back Up / Reverse Lamp Bulb parts for the 2025 Ram 2500 come from SYLVANIA. Every part fits both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged.
In the Extended Life grade, SYLVANIA supplies 1 part: grouped under the catalog's "Extended Life" designation — the notes column spells out what sets them apart. A representative part number is SYLVANIA 7440LL.
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 7440ST.
In the Standard Replacement grade, SYLVANIA supplies 1 part: built to original-equipment specification. A representative part number is SYLVANIA 7440.
This group includes SYLVANIA 7440LL, SYLVANIA 7440ST and SYLVANIA 7440.
Brake Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2025 2500 engines | 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 Fits: all 2025 2500 engines | 3157ST | 🇺🇸 US 🇨🇦 CA | Silver StarCool White | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2025 2500 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.
3 Brake Light Bulb parts for the 2025 Ram 2500 come from SYLVANIA. 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 3157LL.
Extra Bright (improved visibility, but shorter life): 1 part, from SYLVANIA. A representative part number is SYLVANIA 3157ST.
Standard Replacement: 1 part, from SYLVANIA. A representative part number is SYLVANIA 3157.
Listed part numbers: SYLVANIA 3157LL, SYLVANIA 3157ST and SYLVANIA 3157.
Brake Light Bulb - High Mount
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2025 2500 engines | 921LL | 🇺🇸 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: all 2025 2500 engines | 921ST | 🇺🇸 US 🇨🇦 CA | Cool WhiteSilver Star | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2025 2500 engines | 921 | 🇺🇸 US 🇨🇦 CA | Base Type: W2.1x9.2dWattage: 18.00 W | 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 2025 Ram 2500 come from SYLVANIA. 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 921LL.
Extra Bright (improved visibility, but shorter life): 1 part, from SYLVANIA. A representative part number is SYLVANIA 921ST.
Standard Replacement: 1 part, from SYLVANIA. A representative part number is SYLVANIA 921.
Part numbers include SYLVANIA 921LL, SYLVANIA 921ST and SYLVANIA 921.
Dome Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: all 2025 2500 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 Popular Fits: all 2025 2500 engines | 578SL | 🇺🇸 US 🇨🇦 CA | LED | View on Amazon |
| SYLVANIA Fits: all 2025 2500 engines | 578BLED | 🇺🇸 US 🇨🇦 CA | ZEVO | View on Amazon |
| SYLVANIA Fits: all 2025 2500 engines | 578BSL | 🇺🇸 US 🇨🇦 CA | LEDBlue | View on Amazon |
| SYLVANIA Fits: all 2025 2500 engines | 578LED | 🇺🇸 US 🇨🇦 CA | Cool WhiteZEVO | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2025 2500 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.
6 Dome Light Bulb parts for the 2025 Ram 2500 come from SYLVANIA. The "Popular" part is SYLVANIA 578LL. 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 578LL.
The LED (instant-on, long life, energy-saving) section lists 4 options from SYLVANIA — grouped under the catalog's "LED (instant-on, long life, energy-saving)" designation — the notes column spells out what sets them apart. SYLVANIA 578SL is listed in this group.
Standard Replacement: 1 part, from SYLVANIA. A representative part number is SYLVANIA 578.
Part numbers include SYLVANIA 578LL, SYLVANIA 578SL and SYLVANIA 578BLED, among others listed above.
Fog / Driving Lamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: all 2025 2500 engines | H11LL | 🇺🇸 US 🇨🇦 CA | Long Life | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2025 2500 engines | H11XV | 🇺🇸 US 🇨🇦 CA | Xtra VisionColor Temperature: 3200 KV | View on Amazon |
| SYLVANIA Fits: all 2025 2500 engines | H11SU | 🇺🇸 US 🇨🇦 CA | Silver Star UltraColor Temperature: 4100 KV | View on Amazon |
| SYLVANIA Fits: all 2025 2500 engines | H11ST | 🇺🇸 US 🇨🇦 CA | Color Temperature: 4000 KVSilver Star | View on Amazon |
| SYLVANIA Fits: all 2025 2500 engines | H11SZGP | 🇺🇸 US 🇨🇦 CA | Silver Star zXe GOLDBase Type: PGJ19 | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2025 2500 engines | H11LEDSP | 🇺🇸 US 🇨🇦 CA | LEDBase Type: PGJ19-2 | View on Amazon |
| SYLVANIA Fits: all 2025 2500 engines | H11LEDHP | 🇺🇸 US 🇨🇦 CA | LED ULTRABase Type: PGJ19-2 | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: all 2025 2500 engines | H11 | 🇺🇸 US 🇨🇦 CA | Base Type: PGJ19-2 | View on Amazon |
This table covers the bulbs in the fog and driving lamps. Typical signs include a dark lamp, flicker, or a bulb that keeps failing in one socket. If the same position keeps failing, replace the socket or repair the ground rather than chasing bulbs.
SYLVANIA supplies the 8 Fog / Driving Lamp Bulb parts for the 2025 Ram 2500. SYLVANIA H11LL carries the "Popular" badge. All of them fit every engine offered in the 2025 2500.
The Extended Life section: 1 option from SYLVANIA. SYLVANIA H11LL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section: 4 options from SYLVANIA. SYLVANIA H11XV is listed in this group.
LED (instant-on, long life, energy-saving): 2 parts, from SYLVANIA. A representative part number is SYLVANIA H11LEDSP.
The Standard Replacement section: 1 option from SYLVANIA. SYLVANIA H11 is listed in this group.
Listed part numbers: SYLVANIA H11LL, SYLVANIA H11XV and SYLVANIA H11SU, plus the other parts above.
Glove Box Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: all 2025 2500 engines | 194LL | 🇺🇸 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: all 2025 2500 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 2025 2500 engines | 194BSL | 🇺🇸 US 🇨🇦 CA | LEDBlue | View on Amazon |
| SYLVANIA Fits: all 2025 2500 engines | 194SL | 🇺🇸 US 🇨🇦 CA | LEDCool White | View on Amazon |
| SYLVANIA Fits: all 2025 2500 engines | 194BLED | 🇺🇸 US 🇨🇦 CA | BlueZEVO | View on Amazon |
| SYLVANIA Fits: all 2025 2500 engines | 194LED | 🇺🇸 US 🇨🇦 CA | ZEVOCool White | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: all 2025 2500 engines | 194 | 🇺🇸 US 🇨🇦 CA | Base Type: W2.1x9.2dWattage: 3.80 W | 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.
SYLVANIA supplies the 7 Glove Box Light Bulb parts for the 2025 Ram 2500. SYLVANIA 194LL carries the "Popular" badge. All of them fit every engine offered in the 2025 2500.
The Extended Life section: 1 option from SYLVANIA. 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): 4 parts, from SYLVANIA. A representative part number is SYLVANIA 194BSL.
The Standard Replacement section: 1 option from SYLVANIA. SYLVANIA 194 is listed in this group.
Listed part numbers: SYLVANIA 194LL, SYLVANIA 194ST and SYLVANIA 194BSL, plus the other parts above.
Headlamp Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: all 2025 2500 engines | H11LL | 🇺🇸 US 🇨🇦 CA | Long Life | View on Amazon |
| SYLVANIA Fits: all 2025 2500 engines | 9005LL | 🇺🇸 US 🇨🇦 CA | Long Life | View on Amazon |
Extra Bright (improved visibility, but shorter life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2025 2500 engines | 9005XV | 🇺🇸 US 🇨🇦 CA | Xtra VisionColor Temperature: 3200 KV | View on Amazon |
| SYLVANIA Fits: all 2025 2500 engines | H11XV | 🇺🇸 US 🇨🇦 CA | Xtra VisionColor Temperature: 3200 KV | View on Amazon |
| SYLVANIA Fits: all 2025 2500 engines | 9005SU | 🇺🇸 US 🇨🇦 CA | Silver Star UltraColor Temperature: 4100 KV | View on Amazon |
| SYLVANIA Fits: all 2025 2500 engines | H11SU | 🇺🇸 US 🇨🇦 CA | Silver Star UltraColor Temperature: 4100 KV | View on Amazon |
| SYLVANIA Fits: all 2025 2500 engines | 9005ST | 🇺🇸 US 🇨🇦 CA | Silver StarColor Temperature: 4000 KV | View on Amazon |
| SYLVANIA Fits: all 2025 2500 engines | H11ST | 🇺🇸 US 🇨🇦 CA | Color Temperature: 4000 KVSilver Star | View on Amazon |
| SYLVANIA Fits: all 2025 2500 engines | 9005SZG | 🇺🇸 US 🇨🇦 CA | Silver Star zXe GOLDColor Temperature: 4200 KV | View on Amazon |
| SYLVANIA Fits: all 2025 2500 engines | H11SZGP | 🇺🇸 US 🇨🇦 CA | Silver Star zXe GOLDBase Type: PGJ19 | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2025 2500 engines | 9005SL | 🇺🇸 US 🇨🇦 CA | LED | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: all 2025 2500 engines | 9005 | 🇺🇸 US 🇨🇦 CA | Base Type: P20D | View on Amazon |
| SYLVANIA Popular Fits: all 2025 2500 engines | H11 | 🇺🇸 US 🇨🇦 CA | Base Type: PGJ19-2 | 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.
SYLVANIA supplies the 13 Headlamp Bulb parts for the 2025 Ram 2500. SYLVANIA H11LL carries the "Popular" badge. All of them fit every engine offered in the 2025 2500.
The Extended Life section: 2 options from SYLVANIA. SYLVANIA H11LL is listed in this group.
The Extra Bright (improved visibility, but shorter life) section: 8 options from SYLVANIA. SYLVANIA 9005XV 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: 2 options from SYLVANIA. SYLVANIA 9005 is listed in this group.
Parking Lamp Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2025 2500 engines | 7444NALL | 🇺🇸 US 🇨🇦 CA | Long LifeAmber | 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.
One part is listed for the 2025 Ram 2500 — SYLVANIA 7444NALL.
Step / Courtesy Light Bulb
Extended Life
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: all 2025 2500 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 2025 2500 engines | 2825ST | 🇺🇸 US 🇨🇦 CA | BlueSilver Star | View on Amazon |
LED (instant-on, long life, energy-saving)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2025 2500 engines | 2825SL | 🇺🇸 US 🇨🇦 CA | LEDCool White | View on Amazon |
| SYLVANIA Fits: all 2025 2500 engines | 2825BLED | 🇺🇸 US 🇨🇦 CA | ZEVO | View on Amazon |
| SYLVANIA Fits: all 2025 2500 engines | 2825BSL | 🇺🇸 US 🇨🇦 CA | LED | View on Amazon |
| SYLVANIA Fits: all 2025 2500 engines | 2825LED | 🇺🇸 US 🇨🇦 CA | ZEVOCool White | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Popular Fits: all 2025 2500 engines | 2825 | 🇺🇸 US 🇨🇦 CA | Base Type: W2.1x9.5dWattage: 5.00 W | 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.
7 Step / Courtesy Light Bulb parts for the 2025 Ram 2500 come from SYLVANIA. The "Popular" part is SYLVANIA 2825LL. 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 2825LL.
Extra Bright (improved visibility, but shorter life): 1 part, from SYLVANIA. A representative part number is SYLVANIA 2825ST.
The LED (instant-on, long life, energy-saving) section: 4 options from SYLVANIA. SYLVANIA 2825SL is listed in this group.
Standard Replacement: 1 part, from SYLVANIA. A representative part number is SYLVANIA 2825.
Part numbers include SYLVANIA 2825LL, SYLVANIA 2825ST and SYLVANIA 2825SL, among others listed above.
Turn Signal Lamp Bulb
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SYLVANIA Fits: all 2025 2500 engines | 7444NALL | 🇺🇸 US 🇨🇦 CA | Long LifeAmber | 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.
This group shows a single part: SYLVANIA 7444NALL.
Buying Electrical Bulb & Socket Parts for a 2025 Ram 2500
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 Fog / Driving Lamp Bulb .
Frequently Asked Questions
How many electrical bulb & socket parts fit the 2025 Ram 2500?
Our catalog currently lists 52 electrical bulb & socket parts for the 2025 Ram 2500 across 10 subcategories and 1 brand, 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 2025 Ram 2500 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 2025 Ram 2500?
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 2025 Ram 2500 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 2025 Ram 2500?
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 2025 Ram 2500
Electrical Bulb & Socket Parts for Other Ram 2500 Years
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