2018 Ram 4000 Electrical Bulb & Socket Parts

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. Read more

HELLA supplies the 5 Back Up / Reverse Lamp Bulb parts for the 2018 Ram 4000. HELLA 921 carries the "Popular" badge.

The Extended Life section lists 2 options from HELLA — grouped under the catalog's "Extended Life" designation — the notes column spells out what sets them apart. HELLA 921LL is listed in this group.

The Standard Replacement section lists 3 options from HELLA — built to original-equipment specification. HELLA 921 is listed in this group.

This group includes HELLA 921, HELLA 921LL and HELLA DE3175LL and the remaining parts above.

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. Read more

6 Brake Light Bulb - High Mount parts are listed for the 2018 Ram 4000, from HELLA and WAGNER. HELLA 921 carries the "Popular" badge.

The Extended Life section: 3 options from HELLA and WAGNER. HELLA 921LL is listed in this group.

The Standard Replacement section: 3 options from HELLA and WAGNER. HELLA 921 is listed in this group.

Listed part numbers: HELLA 921, HELLA 921LL and HELLA DE3175LL, plus the other parts above.

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. Read more

3 Engine Compartment Light Bulb parts for the 2018 Ram 4000 come from 2 brands — WAGNER and PHILIPS.

Extended Life: 1 part, from WAGNER. A representative part number is WAGNER 561LL.

Standard Replacement: 2 parts, from PHILIPS and WAGNER. A representative part number is PHILIPS 561.

This group includes WAGNER 561LL and PHILIPS 561 and the remaining parts above.

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. Read more

This group shows a single part: GM GENUINE 9006.

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. Read more

6 Glove Box Light Bulb parts for the 2018 Ram 4000 come from 2 brands — WAGNER and HELLA. The "Popular" part is HELLA 194.

Extended Life: 2 parts, from HELLA and WAGNER. A representative part number is HELLA 194LL.

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 T10LED is listed in this group.

Standard Replacement: 2 parts, from HELLA and WAGNER. A representative part number is HELLA 194.

Part numbers include HELLA 194, HELLA 194LL and WAGNER T10LED, among others listed above.

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. Read more

9 Headlamp Bulb parts for the 2018 Ram 4000 come from 2 brands — WAGNER and HELLA. The "Popular" part is HELLA 9005.

Extended Life: 1 part, from WAGNER. A representative part number is WAGNER 1255H11LL.

In the Extra Bright (improved visibility, but shorter life) grade, WAGNER supplies 4 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 WAGNER 9005TVX.

Standard Replacement: 4 parts, from WAGNER and HELLA. A representative part number is HELLA 9005.

This group includes HELLA 9005, WAGNER 1255H11LL and WAGNER 9005TVX and the remaining parts above.

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. Read more

4 Headlamp Socket parts for the 2018 Ram 4000 come from 3 brands — STANDARD MOTOR PRODUCTS, ACDELCO and WALKER PRODUCTS.

Listed part numbers: ACDELCO LS255, STANDARD MOTOR PRODUCTS HP3970 and STANDARD MOTOR PRODUCTS S524, plus the other parts above.

This table covers the LED Bulb adapters. Read more

2 LED Bulb Adapter parts for the 2018 Ram 4000 come from WAGNER.

This group includes WAGNER CB900590069012 and WAGNER CBH8H11H16.

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. Read more

3 Map / Reading Light Bulb parts are listed for the 2018 Ram 4000, from WAGNER and PHILIPS.

The Extended Life section: 2 options from PHILIPS and WAGNER. PHILIPS 578LL is listed in this group.

The Standard Replacement section: 1 option from WAGNER. WAGNER 578 is listed in this group.

This group includes PHILIPS 578LL and WAGNER 578 and the remaining parts above.

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. Read more

3 Parking Lamp Bulb parts for the 2018 Ram 4000 come from 2 brands — WAGNER and HELLA.

Extended Life: 1 part, from WAGNER. A representative part number is WAGNER 3157NALL.

Standard Replacement: 2 parts, from HELLA and WAGNER. A representative part number is HELLA 3157NA.

Listed part numbers: WAGNER 3157NALL and HELLA 3157NA, plus the other parts above.

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. Read more

5 Roof Marker & Identification Light Bulb parts for the 2018 Ram 4000 come from 3 brands — WAGNER, PHILIPS and HELLA. The "Popular" part is WAGNER 194NA.

Extended Life: 2 parts, from PHILIPS and WAGNER. A representative part number is PHILIPS 194NALL.

The LED (instant-on, long life, energy-saving) section: 1 option from WAGNER. WAGNER 194NALED is listed in this group.

Standard Replacement: 2 parts, from WAGNER and HELLA. A representative part number is WAGNER 194NA.

Part numbers include WAGNER 194NA, PHILIPS 194NALL and WAGNER 194NALED, among others listed above.

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. Read more

3 Side Marker Light Bulb parts are listed for the 2018 Ram 4000, from WAGNER and HELLA.

The Extended Life section: 1 option from WAGNER. WAGNER 3157NALL is listed in this group.

The Standard Replacement section: 2 options from HELLA and WAGNER. HELLA 3157NA is listed in this group.

Listed part numbers: WAGNER 3157NALL and HELLA 3157NA, plus the other parts above.

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. Read more

This group shows a single part: WAGNER 3157RLED.

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. Read more

5 Trunk / Cargo Area Light Bulb parts for the 2018 Ram 4000 come from 2 brands — WAGNER and HELLA. The "Popular" part is HELLA 921.

Extended Life: 2 parts, from HELLA and WAGNER. A representative part number is HELLA 921LL.

The LED (instant-on, long life, energy-saving) section: 1 option from WAGNER. WAGNER 921WLED is listed in this group.

Standard Replacement: 2 parts, from HELLA and WAGNER. A representative part number is HELLA 921.

This group includes HELLA 921, HELLA 921LL and WAGNER 921WLED and the remaining parts above.

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. Read more

4 Turn Signal Lamp Bulb parts are listed for the 2018 Ram 4000, from WAGNER and HELLA.

The Extended Life section: 1 option from WAGNER. WAGNER 3157NALL is listed in this group.

LED (instant-on, long life, energy-saving): 1 part, from WAGNER. A representative part number is WAGNER 3157NALED.

The Standard Replacement section: 2 options from HELLA and WAGNER. HELLA 3157NA is listed in this group.

This group includes WAGNER 3157NALL, WAGNER 3157NALED and HELLA 3157NA and the remaining parts above.