2018 Chevrolet Express 3500 Electrical Parts

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

23 Alternator / Generator parts are listed for the 2018 Chevrolet Express 3500, from TERREPOWER, GM GENUINE, WAI GLOBAL and 7 other brands. GM GENUINE 84206550 carries the "Popular" badge.

In the New grade, GM GENUINE, WAI GLOBAL, SKP and 3 other brands supply 12 parts: brand-new units rather than rebuilt ones. A representative part number is GM GENUINE 84206550.

In the Remanufactured grade, PURE ENERGY, REMY, TERREPOWER and 2 other brands supply 11 parts: factory-rebuilt units with new wear components. A representative part number is BOSCH AL8894X.

This table covers the bearings in the alternator housing. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly. Read more

This group shows a single part: BOSCH 1986AE1308.

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

2 Anti-Theft Control Module parts for the 2018 Chevrolet Express 3500 come from GM GENUINE.

This group includes GM GENUINE 23349780 and GM GENUINE 20901252.

This table covers the Automatic Headlamp 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 13498957.

This table covers the backup alarms that sound in reverse. Read more

This group shows a single part: GM GENUINE 23239058.

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

5 Battery parts for the 2018 Chevrolet Express 3500 come from 4 brands — DEKA, ACDELCO, FVP and 1 other brand. The "Popular" part is DEKA 9A78DT.

In the AGM (Extended Life) grade, DEKA, ACDELCO and FVP supply 4 parts: grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. A representative part number is DEKA 9A78DT.

In the Performance AGM (Extended Life + Increased Power) grade, FULLRIVER supplies 1 part: grouped under the catalog's "Performance AGM (Extended Life + Increased Power)" designation — the notes column spells out what sets them apart. A representative part number is FULLRIVER FT82578.

This group includes DEKA 9A78DT, ACDELCO 78XAGM and DEKA 9A78 and the remaining parts above.

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

GM GENUINE supplies the 6 Battery Cable parts for the 2018 Chevrolet Express 3500. GM GENUINE 84884431 carries the "Popular" badge.

Part numbers include GM GENUINE 84884431, GM GENUINE 22777054 and GM GENUINE 84884437, among others listed above.

This table covers the Battery Current 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 2018 Chevrolet Express 3500 — GM GENUINE 13505369.

This table covers the clamps and brackets that secure the battery. Read more

One part is listed for the 2018 Chevrolet Express 3500 — DORMAN 390030.

This table covers the Battery Terminal Bolt nuts. Read more

GM GENUINE supplies the 3 Battery Terminal Bolt / Nut parts for the 2018 Chevrolet Express 3500.

Part numbers include GM GENUINE 19115561, GM GENUINE 11570961 and GM GENUINE 11609585.

This table covers the covers that protect battery terminals. Read more

This group shows a single part: GM GENUINE 12010050.

This table covers the trays the battery sits in. Read more

This group shows a single part: DORMAN 00090.

This table covers the brackets that mount the Battery Tray. 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: DORMAN 700251.

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

GM GENUINE supplies both parts for the 2018 Chevrolet Express 3500.

Part numbers include GM GENUINE 84922494 and GM GENUINE 22915542.

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

One part is listed for the 2018 Chevrolet Express 3500 — GM GENUINE 23231327.

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

2 Circuit Breaker parts for the 2018 Chevrolet Express 3500 come from BUSSMANN.

In the 25 Amp grade, BUSSMANN supplies 1 part: grouped under the catalog's "25 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN CB21225.

In the 30 Amp grade, BUSSMANN supplies 1 part: grouped under the catalog's "30 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN CB21230.

Part numbers include BUSSMANN CB21225 and BUSSMANN CB21230.

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

GM GENUINE supplies both parts for the 2018 Chevrolet Express 3500.

This group includes GM GENUINE 12704475 and GM GENUINE 19432268.

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

One part is listed for the 2018 Chevrolet Express 3500 — GM GENUINE 84268449.

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

37 Fuse parts for the 2018 Chevrolet Express 3500 come from 3 brands — BUSSMANN, GM GENUINE and ACDELCO. The "Popular" part is BUSSMANN ATM10LP. They are grouped as 10 Amp, 100 Amp, 125 Amp, 15 Amp, 150 Amp, 2 Amp, 20 Amp, 225 Amp, 25 Amp, 250 Amp, 3 Amp, 30 Amp, 300 Amp, 350 Amp, 4 Amp, 40 Amp, 450 Amp, 5 Amp, 50 Amp, 60 Amp and 70 Amp, with 20 Amp the largest group at 4 parts from BUSSMANN and GM GENUINE.

This table covers the fuse blocks that hold this vehicle's fuses. Read more

One part is listed for the 2018 Chevrolet Express 3500 — GM GENUINE 15151221.

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

14 Horn parts for the 2018 Chevrolet Express 3500 come from 2 brands — FIAMM and GM GENUINE. The "Popular" part is FIAMM 7210223.

The Accessory Replacement section lists 7 options from FIAMM — grouped under the catalog's "Accessory Replacement" designation — the notes column spells out what sets them apart. FIAMM 7210223 is listed in this group.

In the Standard Replacement grade, FIAMM and GM GENUINE supply 7 parts: built to original-equipment specification. A representative part number is FIAMM 7201223.

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

This group shows a single part: GM GENUINE 25889495.

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

One part is listed for the 2018 Chevrolet Express 3500 — GM GENUINE 20863945.

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

6 Keyless Entry Remote parts are listed for the 2018 Chevrolet Express 3500, from GM GENUINE and DORMAN. DORMAN 99162 carries the "Popular" badge.

This group includes DORMAN 99162, GM GENUINE 22936098 and GM GENUINE 22849638 and the remaining parts above.

This table covers the replacement shells for the key fob. Read more

DORMAN supplies the 3 Keyless Entry Remote Case parts for the 2018 Chevrolet Express 3500.

This group includes DORMAN 13636, DORMAN 13621 and DORMAN 13636US.

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

This group shows a single part: GM GENUINE 22743052.

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

10 Parking Aid Sensor parts are listed for the 2018 Chevrolet Express 3500, from BOSCH, STANDARD MOTOR PRODUCTS, AUTOTECNICA and 7 other brands. BOSCH 0263043551 carries the "Popular" badge.

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

GM GENUINE supplies both parts for the 2018 Chevrolet Express 3500.

This group includes GM GENUINE 22801410 and GM GENUINE 22801411.

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

2 Power Supply Module (TIPM) parts for the 2018 Chevrolet Express 3500 come from GM GENUINE.

Listed part numbers: GM GENUINE 23323480 and GM GENUINE 13599326.

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

One part is listed for the 2018 Chevrolet Express 3500 — GM GENUINE 84434829.

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

5 Speed Sensor parts for the 2018 Chevrolet Express 3500 come from 5 brands — GPD, HOLSTEIN, GM GENUINE and 2 other brands. The "Popular" part is GM GENUINE 24293689.

The Economy section lists 2 options from GPD and HOLSTEIN — the catalog's value-priced group. GPD 1816491 is listed in this group.

Standard Replacement: 3 parts, from GM GENUINE, STANDARD MOTOR PRODUCTS and WELLS. A representative part number is GM GENUINE 24293689.

Part numbers include GM GENUINE 24293689, GPD 1816491 and HOLSTEIN 2VSS0527, among others listed above.

This table covers the Starter bolts. Read more

2 Starter Bolt parts are listed for the 2018 Chevrolet Express 3500, from DORMAN and GM GENUINE.

Listed part numbers: DORMAN 72004 and GM GENUINE 11610633.

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

11 Starter Motor parts are listed for the 2018 Chevrolet Express 3500, from REMY, TERREPOWER, GM GENUINE and 6 other brands. GM GENUINE 12740952 carries the "Popular" badge.

New: 6 parts, from GM GENUINE, VALEO, WAI GLOBAL and 3 other brands. A representative part number is GM GENUINE 12740952.

Remanufactured: 5 parts, from ACDELCO, FVP, PURE ENERGY and 2 other brands. A representative part number is ACDELCO 3362252.

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

This group shows a single part: GM GENUINE 12633476.

This table covers the regulators that control alternator output voltage. Read more

This group shows a single part: BOSCH 1986AE0081.

This table covers the Wiring Harness clips. Read more

3 Wiring Harness Clip parts are listed for the 2018 Chevrolet Express 3500, from DORMAN and GM GENUINE.

Listed part numbers: DORMAN 700365, DORMAN 963058 and GM GENUINE 12337820.

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

This group shows a single part: GM GENUINE 87845214.