2018 GMC Acadia 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

9 Back Up / Reverse Lamp Bulb parts are listed for the 2018 GMC Acadia, from SYLVANIA, WAGNER, HELLA and 1 other brand. SYLVANIA 921LL carries the "Popular" badge.

The Extended Life section lists 3 options from SYLVANIA, HELLA and WAGNER — grouped under the catalog's "Extended Life" designation — the notes column spells out what sets them apart. SYLVANIA 921LL is listed in this group.

The Extra Bright (improved visibility, but shorter life) section lists 1 option 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 921ST is listed in this group.

In the LED (instant-on, long life, energy-saving) grade, WAGNER supplies 1 part: 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 WAGNER 921WLED.

The Standard Replacement section lists 4 options from HELLA, GM GENUINE, SYLVANIA and 1 other brand — built to original-equipment specification. HELLA 921 is listed in this group.

Part numbers include SYLVANIA 921LL, among others listed above.

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. Read more

7 Brake Light Bulb parts are listed for the 2018 GMC Acadia, from SYLVANIA, PHILIPS and GM GENUINE. SYLVANIA 7440LL carries the "Popular" badge.

The Extended Life section: 1 option from SYLVANIA. SYLVANIA 7440LL is listed in this group.

The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 7440ST is listed in this group.

LED (instant-on, long life, energy-saving): 3 parts, from SYLVANIA and PHILIPS. A representative part number is PHILIPS 7440RLED.

The Standard Replacement section: 2 options from SYLVANIA and GM GENUINE. SYLVANIA 7440 is listed in this group.

Listed part numbers: SYLVANIA 7440LL, SYLVANIA 7440ST and PHILIPS 7440RLED, plus the other 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

16 Fog / Driving Lamp Bulb parts for the 2018 GMC Acadia come from 3 brands — SYLVANIA, WAGNER and HELLA. The "Popular" part is SYLVANIA H11LL.

Extended Life: 2 parts, from SYLVANIA and WAGNER. A representative part number is SYLVANIA H11LL.

Extra Bright (improved visibility, but shorter life): 7 parts, from SYLVANIA, WAGNER and HELLA. A representative part number is HELLA H1120.

The LED (instant-on, long life, energy-saving) section: 4 options from SYLVANIA, HELLA and WAGNER. HELLA 226971571 is listed in this group.

Standard Replacement: 3 parts, from SYLVANIA, WAGNER and HELLA. A representative part number is SYLVANIA H11.

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

13 Headlamp Bulb parts for the 2018 GMC Acadia come from 6 brands — WAGNER, SYLVANIA, HELLA and 3 other brands. The "Popular" part is HELLA 9012LL.

Extended Life: 3 parts, from HELLA, PHILIPS and WAGNER. A representative part number is HELLA 9012LL.

Extra Bright (improved visibility, but shorter life): 5 parts, from SYLVANIA and WAGNER. A representative part number is SYLVANIA 9012XV.

In the HID (intense white light) grade, AUTOTECNICA, HELLA and WAGNER supply 3 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 AUTOTECNICA D3S.

Standard Replacement: 2 parts, from SYLVANIA and GM GENUINE. A representative part number is SYLVANIA 9012.

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

6 Headlamp Socket parts for the 2018 GMC Acadia come from 5 brands — STANDARD MOTOR PRODUCTS, ACDELCO, WELLS and 2 other brands. The "Popular" part is ACDELCO LS254.

This group includes ACDELCO LS254, WELLS 6S1046 and ROSTRA 610004 and the remaining parts above.

This table covers the LED Bulb adapters. Read more

2 LED Bulb Adapter parts for the 2018 GMC Acadia come from WAGNER.

This group includes WAGNER CB900590069012 and WAGNER CBH8H11H16.

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. Read more

8 License Plate Lamp Bulb parts are listed for the 2018 GMC Acadia, from SYLVANIA, WAGNER and HELLA. SYLVANIA 2825LL carries the "Popular" badge.

The Extended Life section: 2 options from SYLVANIA and WAGNER. SYLVANIA 2825LL is listed in this group.

The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 2825ST is listed in this group.

LED (instant-on, long life, energy-saving): 1 part, from SYLVANIA. A representative part number is SYLVANIA 2825SL.

The Standard Replacement section: 4 options from HELLA, SYLVANIA and WAGNER. HELLA 2825 is listed in this group.

Part numbers include SYLVANIA 2825LL, WAGNER 17177LL and SYLVANIA 2825ST, among others listed above.

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

7 Map / Reading Light Bulb parts are listed for the 2018 GMC Acadia, from SYLVANIA and WAGNER. SYLVANIA 2825LL carries the "Popular" badge.

The Extended Life section: 2 options from SYLVANIA and WAGNER. SYLVANIA 2825LL is listed in this group.

The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 2825ST is listed in this group.

LED (instant-on, long life, energy-saving): 2 parts, from SYLVANIA and WAGNER. A representative part number is SYLVANIA 2825SL.

The Standard Replacement section: 2 options from WAGNER and SYLVANIA. WAGNER 17177 is listed in this group.

Part numbers include SYLVANIA 2825LL, WAGNER 17177LL and SYLVANIA 2825ST, among others listed 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

4 Parking Lamp Bulb parts for the 2018 GMC Acadia come from 3 brands — WAGNER, PHILIPS and SYLVANIA.

Extended Life: 3 parts, from PHILIPS, SYLVANIA and WAGNER. A representative part number is PHILIPS 7444NALL.

Standard Replacement: 1 part, from WAGNER. A representative part number is WAGNER 7444NA.

Listed part numbers: PHILIPS 7444NALL, 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

2 Tail Lamp Bulb parts for the 2018 GMC Acadia come from 2 brands — PHILIPS and HELLA.

The LED (instant-on, long life, energy-saving) section: 1 option from PHILIPS. PHILIPS 7440RLED is listed in this group.

Standard Replacement: 1 part, from HELLA. A representative part number is HELLA 2825.

This group includes PHILIPS 7440RLED and HELLA 2825.

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. Read more

This group shows a single part: GM GENUINE 84422631.

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

11 Turn Signal Lamp Bulb parts are listed for the 2018 GMC Acadia, from WAGNER, SYLVANIA, HELLA and 1 other brand. HELLA 7440LL carries the "Popular" badge.

The Extended Life section: 6 options from SYLVANIA, WAGNER, HELLA and 1 other brand. HELLA 7440LL is listed in this group.

The Extra Bright (improved visibility, but shorter life) section: 1 option from SYLVANIA. SYLVANIA 7440ST is listed in this group.

LED (instant-on, long life, energy-saving): 1 part, from WAGNER. A representative part number is WAGNER 7440WLED.

The Standard Replacement section: 3 options from WAGNER and SYLVANIA. SYLVANIA 7440 is listed in this group.

This table covers the replacement bulbs for the Vanity Mirror / Sun Visor 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

This group shows a single part: GM GENUINE 13502343.