2021 GMC Savana 2500 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

5 Back Up / Reverse Lamp Bulb parts are listed for the 2021 GMC Savana 2500, from WAGNER and PHILIPS. WAGNER 3157 carries the "Popular" badge.

The Extended Life section lists 1 option from WAGNER — grouped under the catalog's "Extended Life" designation — the notes column spells out what sets them apart. WAGNER 3157LL is listed in this group.

In the LED (instant-on, long life, energy-saving) grade, WAGNER and PHILIPS supply 3 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 1 option from WAGNER — built to original-equipment specification. WAGNER 3157 is listed in this group.

Part numbers include WAGNER 3157, WAGNER 3157LL and PHILIPS 3157WLED, 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

5 Brake Light Bulb parts are listed for the 2021 GMC Savana 2500, from SYLVANIA, PHILIPS and GM GENUINE. SYLVANIA 3157 carries the "Popular" badge.

The Extended Life section: 1 option from SYLVANIA. SYLVANIA 3157LL 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 3157ST is listed in this group.

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

The Standard Replacement section: 2 options from SYLVANIA and GM GENUINE. SYLVANIA 3157 is listed in this group.

Part numbers include SYLVANIA 3157, SYLVANIA 3157LL and SYLVANIA 3157ST, among others listed 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

One part is listed for the 2021 GMC Savana 2500 — GM GENUINE L912.

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. Read more

2 Dome Light Bulb parts are listed for the 2021 GMC Savana 2500, from PHILIPS and GM GENUINE.

The Extended Life section: 1 option from PHILIPS. PHILIPS 578LL is listed in this group.

The Standard Replacement section: 1 option from GM GENUINE. GM GENUINE L2112 is listed in this group.

This group includes PHILIPS 578LL and GM GENUINE L2112.

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

This group shows a single part: GM GENUINE 578.

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

26 Headlamp Bulb parts for the 2021 GMC Savana 2500 come from 3 brands — SYLVANIA, WAGNER and GM GENUINE. The "Popular" part is SYLVANIA 9006SU. Extended Life, Extra Bright (improved visibility, but shorter life), LED (instant-on, long life, energy-saving) and Standard Replacement are all represented, and Extra Bright (improved visibility, but shorter life) alone accounts for 13 parts.

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

This group shows a single part: GM GENUINE 86326356.

This table covers the LED Bulb adapters. Read more

This group shows a single part: WAGNER CB900590069012.

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

7 License Plate Lamp Bulb parts are listed for the 2021 GMC Savana 2500, from SYLVANIA and GM GENUINE. SYLVANIA 194LL carries the "Popular" badge.

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): 2 parts, from SYLVANIA. A representative part number is SYLVANIA 194BSL.

The Standard Replacement section: 3 options from GM GENUINE and SYLVANIA. SYLVANIA 194 is listed in this group.

Part numbers include SYLVANIA 194LL, SYLVANIA 194ST and SYLVANIA 194BSL, 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

3 Parking Lamp Bulb parts for the 2021 GMC Savana 2500 come from WAGNER.

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

The LED (instant-on, long life, energy-saving) section: 1 option from WAGNER. WAGNER 3157LEDW is listed in this group.

Standard Replacement: 1 part, from WAGNER. A representative part number is WAGNER 3157.

This group includes WAGNER 3157LL, WAGNER 3157LEDW and WAGNER 3157.

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. Read more

2 Parking Lamp Socket parts for the 2021 GMC Savana 2500 come from 2 brands — GM GENUINE and STANDARD MOTOR PRODUCTS.

This group includes GM GENUINE LS116 and STANDARD MOTOR PRODUCTS S1735.

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. Read more

2 Side Marker Lamp Socket parts are listed for the 2021 GMC Savana 2500, from GM GENUINE and STANDARD MOTOR PRODUCTS.

Part numbers include GM GENUINE LS117 and STANDARD MOTOR PRODUCTS S1472.

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

7 Side Marker Light Bulb parts are listed for the 2021 GMC Savana 2500, from SYLVANIA and GM GENUINE. SYLVANIA 194LL carries the "Popular" badge.

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): 2 parts, from SYLVANIA. A representative part number is SYLVANIA 194BSL.

The Standard Replacement section: 3 options from GM GENUINE and SYLVANIA. SYLVANIA 194 is listed in this group.

Listed part numbers: SYLVANIA 194LL, SYLVANIA 194ST and SYLVANIA 194BSL, plus the other parts above.

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. Read more

2 Step / Courtesy Light Bulb parts are listed for the 2021 GMC Savana 2500, from GM GENUINE and PHILIPS.

Part numbers include GM GENUINE 578 and PHILIPS 2112.

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 84227908.

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 2021 GMC Savana 2500, from WAGNER and ACDELCO.

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 ACDELCO and WAGNER. ACDELCO 3157KX is listed in this group.

This group includes WAGNER 3157NALL, WAGNER 3157NALED and ACDELCO 3157KX and the remaining parts above.

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. Read more

2 Turn Signal Lamp Socket parts are listed for the 2021 GMC Savana 2500, from GM GENUINE and WELLS.

Part numbers include GM GENUINE 86326355 and WELLS 1P1722.