2026 Chevrolet Blazer Electrical Parts

This table covers the Active Noise Cancellation modules. Typical signs include a cluster of unrelated faults, a no-communication code, or a module that will not sleep. Confirm power, ground and programming compatibility in the notes. Modules are rarely plug-and-play across years. Read more

GM GENUINE supplies both parts for the 2026 Chevrolet Blazer.

This group includes GM GENUINE 85144752 and GM GENUINE 85144751.

This table covers the alternators that charge the battery and run the electrical load. Typical signs include dim lights at idle, a battery lamp, or a growl from the charging pulley. Load-test the battery and inspect the belt and grounds — a bad ground mimics a failed alternator. Read more

6 Alternator / Generator parts for the 2026 Chevrolet Blazer come from 4 brands — GM GENUINE, PURE ENERGY, REMY and 1 other brand. The "Popular" part is GM GENUINE 13553838.

The New section lists 2 options from GM GENUINE — brand-new units rather than rebuilt ones. GM GENUINE 13553838 is listed in this group.

The Remanufactured section lists 3 options from PURE ENERGY, REMY and TERREPOWER — factory-rebuilt units with new wear components. PURE ENERGY 10351 is listed in this group.

1 further part sits outside the graded sections, with the same engine-level match.

Listed part numbers: GM GENUINE 13553838, GM GENUINE 13507127 and PURE ENERGY 10351, plus the other parts above.

This table covers the Alternator / Generator bolts. Read more

One part is listed for the 2026 Chevrolet Blazer — GM GENUINE 11611102.

This table covers the Antenna modules. Typical signs include a cluster of unrelated faults, a no-communication code, or a module that will not sleep. Confirm power, ground and programming compatibility in the notes. Modules are rarely plug-and-play across years. Read more

One part is listed for the 2026 Chevrolet Blazer — GM GENUINE 85774230.

This table covers the Anti-Theft control modules. Read more

One part is listed for the 2026 Chevrolet Blazer — GM GENUINE 13540633.

This table covers the batteries listed by group size and specification. Typical signs include slow cranking, a battery lamp, or a no-start after the vehicle sat overnight. Confirm group size and terminal layout in the notes. Clean the posts and the ground before condemning the battery. Read more

11 Battery parts are listed for the 2026 Chevrolet Blazer, from ACDELCO, DEKA, FVP and 1 other brand. ACDELCO 47AGM carries the "Popular" badge.

This table covers the positive and ground cables that run from the battery. Typical signs include a stretched or frayed cable, or a control that no longer reaches the end of its travel. Route the new cable through the same clips. A kinked cable binds and fails early. Read more

8 Battery Cable parts for the 2026 Chevrolet Blazer come from GM GENUINE.

Listed part numbers: GM GENUINE 84681646, GM GENUINE 84690949 and GM GENUINE 85525336, plus the other parts above.

This table covers the Battery Cable Terminal ends. Read more

One part is listed for the 2026 Chevrolet Blazer — GM GENUINE 84710785.

This table covers the Battery Heat shields. Typical signs include a bent shield rubbing a rotor, or rust-through that leaves the backing open. A rubbing shield will eat a new rotor. Straighten or replace it before the wheel goes back on. Read more

This group shows a single part: GM GENUINE 84155667.

This table covers the Battery Terminal Bolt nuts. Read more

2 Battery Terminal Bolt / Nut parts for the 2026 Chevrolet Blazer come from GM GENUINE. 1 part fits every engine; the other 1 is engine-specific.

This group includes GM GENUINE 11610091 and GM GENUINE 11570961.

This table covers the body-control modules that run lighting, locks and wipers. Read more

5 Body Control Module (BCM) parts for the 2026 Chevrolet Blazer come from GM GENUINE.

This group includes GM GENUINE 22940857, GM GENUINE 13534192 and GM GENUINE 13559486 and the remaining parts above.

This table covers the brackets that mount the Body Control Module (BCM). Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners. Read more

This group shows a single part: GM GENUINE 87827523.

This table covers the resettable circuit breakers in this vehicle's electrical system. Read more

One part is listed for the 2026 Chevrolet Blazer — GM GENUINE 84098783.

This table covers the engine-control modules that run fuel, spark and emissions. Read more

2 Engine Control Module (ECM Computer) parts for the 2026 Chevrolet Blazer come from GM GENUINE.

Listed part numbers: GM GENUINE 12725787 and GM GENUINE 12725663.

This table covers the brackets that mount the Engine Control Module (ECM Computer). Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners. Read more

This group shows a single part: GM GENUINE 84672986.

This table covers the replacement fuses for this vehicle's fuse boxes. Typical signs include one circuit dead while its neighbor still works, or a fuse that blows again as soon as you replace it. Match amperage and fuse type. A repeat blow means a short — find it before the next fuse. Read more

18 Fuse parts are listed for the 2026 Chevrolet Blazer, from GM GENUINE and ACDELCO. GM GENUINE 15305191 carries the "Popular" badge. 14 parts fit every engine; the other 4 are engine-specific.

The 10 Amp section lists 1 option from GM GENUINE — grouped under the catalog's "10 Amp" designation — the notes column spells out what sets them apart. GM GENUINE 19209792 is listed in this group.

The 100 Amp section lists 1 option from GM GENUINE — grouped under the catalog's "100 Amp" designation — the notes column spells out what sets them apart. GM GENUINE 84070942 is listed in this group.

In the 125 Amp grade, GM GENUINE supplies 1 part: grouped under the catalog's "125 Amp" designation — the notes column spells out what sets them apart. A representative part number is GM GENUINE 12177251.

In the 15 Amp grade, ACDELCO and GM GENUINE supply 2 parts: grouped under the catalog's "15 Amp" designation — the notes column spells out what sets them apart. A representative part number is ACDELCO ATM1525.

In the 150 Amp grade, GM GENUINE supplies 1 part: grouped under the catalog's "150 Amp" designation — the notes column spells out what sets them apart. A representative part number is GM GENUINE 84070922.

The 175 Amp section lists 1 option from GM GENUINE — grouped under the catalog's "175 Amp" designation — the notes column spells out what sets them apart. GM GENUINE 15305191 is listed in this group.

In the 20 Amp grade, GM GENUINE and ACDELCO supply 2 parts: grouped under the catalog's "20 Amp" designation — the notes column spells out what sets them apart. A representative part number is GM GENUINE 12004009.

The 25 Amp section lists 1 option from ACDELCO — grouped under the catalog's "25 Amp" designation — the notes column spells out what sets them apart. ACDELCO ATM2525 is listed in this group.

The 250 Amp section lists 1 option from GM GENUINE — grouped under the catalog's "250 Amp" designation — the notes column spells out what sets them apart. GM GENUINE 84116255 is listed in this group.

The 30 Amp section lists 1 option from GM GENUINE — grouped under the catalog's "30 Amp" designation — the notes column spells out what sets them apart. GM GENUINE 22917202 is listed in this group.

In the 350 Amp grade, GM GENUINE supplies 1 part: grouped under the catalog's "350 Amp" designation — the notes column spells out what sets them apart. A representative part number is GM GENUINE 84116257.

In the 40 Amp grade, ACDELCO and GM GENUINE supply 2 parts: grouped under the catalog's "40 Amp" designation — the notes column spells out what sets them apart. A representative part number is ACDELCO MAX405.

The 50 Amp section lists 1 option from ACDELCO — grouped under the catalog's "50 Amp" designation — the notes column spells out what sets them apart. ACDELCO MAX50 is listed in this group.

The 70 Amp section lists 2 options from GM GENUINE — grouped under the catalog's "70 Amp" designation — the notes column spells out what sets them apart. GM GENUINE 84070937 is listed in this group.

This table covers the Fuse Box covers. Read more

GM GENUINE supplies both parts for the 2026 Chevrolet Blazer.

This group includes GM GENUINE 26341792 and GM GENUINE 26389504.

This table covers the Hands Free Vehicle Access modules. Typical signs include a cluster of unrelated faults, a no-communication code, or a module that will not sleep. Confirm power, ground and programming compatibility in the notes. Modules are rarely plug-and-play across years. Read more

This group shows a single part: GM GENUINE 85039379.

This table covers the brackets that mount the Hands Free Vehicle Access Module. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners. Read more

This group shows a single part: GM GENUINE 42485326.

This table covers the Hands Free Vehicle Access sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

This group shows a single part: GM GENUINE 85523854.

This table covers the horns mounted in the front of the vehicle. Read more

GM GENUINE supplies both parts for the 2026 Chevrolet Blazer.

This group includes GM GENUINE 84782549 and GM GENUINE 85136991.

This table covers the horn contacts in the steering column. Read more

One part is listed for the 2026 Chevrolet Blazer — GM GENUINE 87840626.

This table covers the receivers that pick up the key-fob unlock signal. Read more

6 Keyless Entry Module / Receiver parts for the 2026 Chevrolet Blazer come from GM GENUINE.

Part numbers include GM GENUINE 13540045, GM GENUINE 13558723 and GM GENUINE 13558725, among others listed above.

This table covers the key fobs that lock, unlock and start the vehicle. Read more

6 Keyless Entry Remote parts for the 2026 Chevrolet Blazer come from GM GENUINE.

Part numbers include GM GENUINE 13547829, GM GENUINE 13547830 and GM GENUINE 13560196, among others listed above.

This table covers the modules that control the exterior lighting. Read more

2 Lighting Control Module (LCM) parts for the 2026 Chevrolet Blazer come from GM GENUINE.

Listed part numbers: GM GENUINE 13566314 and GM GENUINE 13569497.

This table covers the Park Assist (PAS) Camera modules. Typical signs include a cluster of unrelated faults, a no-communication code, or a module that will not sleep. Confirm power, ground and programming compatibility in the notes. Modules are rarely plug-and-play across years. Read more

GM GENUINE supplies both parts for the 2026 Chevrolet Blazer.

Part numbers include GM GENUINE 84983035 and GM GENUINE 86558042.

This table covers the ultrasonic park-aid sensors in the bumper. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

2 Parking Aid Sensor parts for the 2026 Chevrolet Blazer come from GM GENUINE. 1 part fits every engine; the other 1 is engine-specific.

This group includes GM GENUINE 84586217 and GM GENUINE 84586218.

This table covers the brackets that mount the Parking Aid Sensor. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners. Read more

8 Parking Aid Sensor Bracket parts for the 2026 Chevrolet Blazer come from GM GENUINE.

This group includes GM GENUINE 42745564, GM GENUINE 42745565 and GM GENUINE 42745566 and the remaining parts above.

This table covers the totally-integrated power modules that distribute body electrical power. Typical signs include a cluster of unrelated faults, a no-communication code, or a module that will not sleep. Confirm power, ground and programming compatibility in the notes. Modules are rarely plug-and-play across years. Read more

GM GENUINE supplies the 3 Power Supply Module (TIPM) parts for the 2026 Chevrolet Blazer.

Part numbers include GM GENUINE 13510484, GM GENUINE 84738000 and GM GENUINE 84738001.

This table covers the Rain sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

2 Rain Sensor parts for the 2026 Chevrolet Blazer come from GM GENUINE.

Part numbers include GM GENUINE 85880852 and GM GENUINE 85880857.

This table covers the Serial Data Gateway modules. Typical signs include a cluster of unrelated faults, a no-communication code, or a module that will not sleep. Confirm power, ground and programming compatibility in the notes. Modules are rarely plug-and-play across years. Read more

2 Serial Data Gateway Module parts for the 2026 Chevrolet Blazer come from GM GENUINE.

This group includes GM GENUINE 13542838 and GM GENUINE 13566572.

This table covers the Side Object Sensor modules. Typical signs include a cluster of unrelated faults, a no-communication code, or a module that will not sleep. Confirm power, ground and programming compatibility in the notes. Modules are rarely plug-and-play across years. Read more

6 Side Object Sensor Module parts for the 2026 Chevrolet Blazer come from GM GENUINE.

Part numbers include GM GENUINE 84729106, GM GENUINE 84729107 and GM GENUINE 85698872, among others listed above.

This table covers the speed sensors on the transmission, transfer case or ABS ring. Typical signs include a dead speedometer, harsh transmission shifts, or a code for vehicle speed. Inspect the tone wheel and the connector before replacing the sensor. Read more

GM GENUINE supplies both parts for the 2026 Chevrolet Blazer.

This group includes GM GENUINE 24295280 and GM GENUINE 24298199.

This table covers the Speed Sensor Reluctor rings. Read more

GM GENUINE supplies both parts for the 2026 Chevrolet Blazer.

This group includes GM GENUINE 24230744 and GM GENUINE 24061032.

This table covers the Starter bolts. Read more

This group shows a single part: GM GENUINE 11588740.

This table covers the starter motors that crank the engine. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor. Read more

5 Starter Motor parts for the 2026 Chevrolet Blazer come from 4 brands — GM GENUINE, TYC, REMY and 1 other brand.

The New section: 2 options from GM GENUINE and TYC. GM GENUINE 12667973 is listed in this group.

The Remanufactured section: 2 options from REMY and TERREPOWER. REMY 26023 is listed in this group.

1 further part sits outside the graded sections, with the same engine-level match.

This group includes GM GENUINE 12667973, TYC 116349 and REMY 26023 and the remaining parts above.

This table covers the Starter Motor Heat shields. Typical signs include a bent shield rubbing a rotor, or rust-through that leaves the backing open. A rubbing shield will eat a new rotor. Straighten or replace it before the wheel goes back on. Read more

One part is listed for the 2026 Chevrolet Blazer — GM GENUINE 12654121.

This table covers the Video control modules. Read more

2 Video Control Module parts for the 2026 Chevrolet Blazer come from GM GENUINE.

This group includes GM GENUINE 86534153 and GM GENUINE 85866487.

This table covers the Yaw sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

One part is listed for the 2026 Chevrolet Blazer — GM GENUINE 85532096.