2019 Chevrolet Blazer 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 for the 2019 Chevrolet Blazer come from 4 brands — SYLVANIA, WAGNER, HELLA and 1 other brand. The "Popular" part is SYLVANIA 921LL. Every part fits both the 2.5L L4 and the 3.6L V6.

In the Extended Life grade, SYLVANIA, HELLA and WAGNER supply 3 parts: grouped under the catalog's "Extended Life" designation — the notes column spells out what sets them apart. A representative part number is SYLVANIA 921LL.

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 921ST.

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

In the Standard Replacement grade, HELLA, GM GENUINE, SYLVANIA and 1 other brand supply 4 parts: built to original-equipment specification. A representative part number is HELLA 921.

Listed part numbers: SYLVANIA 921LL, plus the other parts 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

10 Brake Light Bulb parts for the 2019 Chevrolet Blazer come from 5 brands — SYLVANIA, WAGNER, PHILIPS and 2 other brands. The "Popular" part is SYLVANIA 7440LL. Every part fits both the 2.5L L4 and the 3.6L V6.

Extended Life: 2 parts, from SYLVANIA and WAGNER. A representative part number is SYLVANIA 7440LL.

Extra Bright (improved visibility, but shorter life): 1 part, from SYLVANIA. A representative part number is SYLVANIA 7440ST.

The LED (instant-on, long life, energy-saving) section: 3 options from SYLVANIA and PHILIPS. PHILIPS 7440RLED is listed in this group.

Standard Replacement: 4 parts, from HELLA, GM GENUINE, SYLVANIA and 1 other brand. A representative part number is HELLA 7440.

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

This group shows a single part: PEAK 168.

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

8 Headlamp Bulb parts are listed for the 2019 Chevrolet Blazer, from SYLVANIA, AUTOTECNICA, WAGNER and 4 other brands. AUTOTECNICA D3S carries the "Popular" badge. 5 parts fit every engine; the other 3 are engine-specific.

This group includes AUTOTECNICA D3S and GM GENUINE 13587843 and the remaining parts above.

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 for the 2019 Chevrolet Blazer come from 2 brands — SYLVANIA and HELLA. The "Popular" part is HELLA 194. Every part fits both the 2.5L L4 and the 3.6L V6.

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

Extra Bright (improved visibility, but shorter life): 1 part, from SYLVANIA. A representative part number is SYLVANIA 194ST.

The LED (instant-on, long life, energy-saving) section: 2 options from SYLVANIA. SYLVANIA 194BSL is listed in this group.

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

Part numbers include HELLA 194, HELLA 194LL and SYLVANIA 194ST, among others listed above.

This table covers the replacement bulbs for the Parking Brake Warning 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: PEAK 7440.

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 are listed for the 2019 Chevrolet Blazer, from WAGNER, PHILIPS and SYLVANIA. All of them fit every engine offered in the 2019 Blazer.

The Extended Life section: 3 options from PHILIPS, SYLVANIA and WAGNER. PHILIPS 7444NALL is listed in this group.

The Standard Replacement section: 1 option from WAGNER. WAGNER 7444NA is listed in this group.

Part numbers include PHILIPS 7444NALL, 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

9 Side Marker Light Bulb parts for the 2019 Chevrolet Blazer come from 3 brands — SYLVANIA, HELLA and GM GENUINE. The "Popular" part is HELLA 194. Every part fits both the 2.5L L4 and the 3.6L V6.

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

Extra Bright (improved visibility, but shorter life): 1 part, from SYLVANIA. A representative part number is SYLVANIA 194ST.

The LED (instant-on, long life, energy-saving) section: 2 options from SYLVANIA. SYLVANIA 194BSL is listed in this group.

Standard Replacement: 4 parts, from GM GENUINE, HELLA and SYLVANIA. A representative part number is HELLA 194.

Part numbers include HELLA 194, HELLA 194LL and SYLVANIA 194ST, among others listed 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

One part is listed for the 2019 Chevrolet Blazer — HELLA 7440.

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

GM GENUINE supplies both parts for the 2019 Chevrolet Blazer. All of them fit every engine offered in the 2019 Blazer.

Part numbers include GM GENUINE 84308389 and GM GENUINE 84308390.

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

One part is listed for the 2019 Chevrolet Blazer — GM GENUINE 13569063.

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

9 Turn Signal Lamp Bulb parts for the 2019 Chevrolet Blazer come from 5 brands — SYLVANIA, WAGNER, PHILIPS and 2 other brands. The "Popular" part is PHILIPS 7444NALL. Every part fits both the 2.5L L4 and the 3.6L V6.

Extended Life: 4 parts, from SYLVANIA, PHILIPS and WAGNER. A representative part number is PHILIPS 7444NALL.

Extra Bright (improved visibility, but shorter life): 1 part, from SYLVANIA. A representative part number is SYLVANIA 7440ST.

Standard Replacement: 4 parts, from GM GENUINE, HELLA, SYLVANIA and 1 other brand. A representative part number is GM GENUINE 13579188.

Listed part numbers: PHILIPS 7444NALL and SYLVANIA 7440LL, plus the other 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

This group shows a single part: GM GENUINE 84987048.

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

One part is listed for the 2019 Chevrolet Blazer — GM GENUINE 13502343.