2021 Chevrolet Express 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

This group shows a single part: PHILIPS 3157WLED.

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 for the 2021 Chevrolet Express 2500 come from 3 brands — SYLVANIA, PHILIPS and GM GENUINE. The "Popular" part is SYLVANIA 3157. Every part fits all 3 engine options (2.8L L4 DIESEL Turbocharged, 4.3L V6 and 6.6L V8).

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 3157LL.

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 3157ST.

The LED (instant-on, long life, energy-saving) section lists 1 option from PHILIPS — grouped under the catalog's "LED (instant-on, long life, energy-saving)" designation — the notes column spells out what sets them apart. PHILIPS 3157RLED is listed in this group.

In the Standard Replacement grade, SYLVANIA and GM GENUINE supply 2 parts: built to original-equipment specification. A representative part number is SYLVANIA 3157.

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

This group shows a single part: 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 for the 2021 Chevrolet Express 2500 come from 2 brands — PHILIPS and GM GENUINE. Every part fits all 3 engine options (2.8L L4 DIESEL Turbocharged, 4.3L V6 and 6.6L V8).

Extended Life: 1 part, from PHILIPS. A representative part number is PHILIPS 578LL.

Standard Replacement: 1 part, from GM GENUINE. A representative part number is GM GENUINE L2112.

Part numbers include 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

One part is listed for the 2021 Chevrolet Express 2500 — 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

15 Headlamp Bulb parts are listed for the 2021 Chevrolet Express 2500, from SYLVANIA and GM GENUINE. SYLVANIA 9006SU carries the "Popular" badge. All of them fit every engine offered in the 2021 Express 2500.

The Extended Life section: 1 option from SYLVANIA. SYLVANIA 9005LL is listed in this group.

The Extra Bright (improved visibility, but shorter life) section: 8 options from SYLVANIA. SYLVANIA 9006SU is listed in this group.

LED (instant-on, long life, energy-saving): 2 parts, from SYLVANIA. A representative part number is SYLVANIA 9006SL.

The Standard Replacement section: 4 options from SYLVANIA and GM GENUINE. SYLVANIA 9005 is listed in this group.

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

One part is listed for the 2021 Chevrolet Express 2500 — GM GENUINE 86326356.

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

2 License Plate Lamp Bulb parts for the 2021 Chevrolet Express 2500 come from GM GENUINE. Every part fits all 3 engine options (2.8L L4 DIESEL Turbocharged, 4.3L V6 and 6.6L V8).

Listed part numbers: GM GENUINE 13503401 and GM GENUINE 13503359.

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 are listed for the 2021 Chevrolet Express 2500, from GM GENUINE and STANDARD MOTOR PRODUCTS. All of them fit every engine offered in the 2021 Express 2500.

Part numbers include 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 for the 2021 Chevrolet Express 2500 come from 2 brands — GM GENUINE and STANDARD MOTOR PRODUCTS. Every part fits all 3 engine options (2.8L L4 DIESEL Turbocharged, 4.3L V6 and 6.6L V8).

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

2 Side Marker Light Bulb parts for the 2021 Chevrolet Express 2500 come from GM GENUINE. Every part fits all 3 engine options (2.8L L4 DIESEL Turbocharged, 4.3L V6 and 6.6L V8).

Part numbers include GM GENUINE 13503401 and GM GENUINE 13503359.

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 for the 2021 Chevrolet Express 2500 come from 2 brands — GM GENUINE and PHILIPS. Every part fits all 3 engine options (2.8L L4 DIESEL Turbocharged, 4.3L V6 and 6.6L V8).

Part numbers include GM GENUINE 578 and PHILIPS 2112.

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

SYLVANIA supplies the 3 Tail Lamp Bulb parts for the 2021 Chevrolet Express 2500. All of them fit every engine offered in the 2021 Express 2500.

The Extended Life section: 1 option from SYLVANIA. SYLVANIA 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.

The Standard Replacement section: 1 option from SYLVANIA. SYLVANIA 3157 is listed in this group.

Part numbers include SYLVANIA 3157LL, SYLVANIA 3157ST and SYLVANIA 3157.

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

One part is listed for the 2021 Chevrolet Express 2500 — 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 for the 2021 Chevrolet Express 2500 come from 2 brands — SYLVANIA and ACDELCO. Every part fits all 3 engine options (2.8L L4 DIESEL Turbocharged, 4.3L V6 and 6.6L V8).

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: 2 parts, from ACDELCO and SYLVANIA. A representative part number is ACDELCO 3157KX.

Part numbers include SYLVANIA 3157LL, SYLVANIA 3157ST and ACDELCO 3157KX, among others listed 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 for the 2021 Chevrolet Express 2500 come from 2 brands — GM GENUINE and WELLS. Every part fits all 3 engine options (2.8L L4 DIESEL Turbocharged, 4.3L V6 and 6.6L V8).

Listed part numbers: GM GENUINE 86326355 and WELLS 1P1722.