2021 Chevrolet Express 2500 Electrical Connector Parts

This table covers the harness connectors at the A/C Compressor Clutch Coil. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

3 A/C Compressor Clutch Coil Connector parts for the 2021 Chevrolet Express 2500 come from 2 brands — STANDARD MOTOR PRODUCTS and ACDELCO. Every part fits all 3 engine options (2.8L L4 DIESEL Turbocharged, 4.3L V6 and 6.6L V8).

Part numbers include ACDELCO PT2311, STANDARD MOTOR PRODUCTS HP4490 and STANDARD MOTOR PRODUCTS S588.

This table covers the harness connectors at the Acceleration Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

This group shows a single part: DORMAN 645234.

This table covers the harness connectors at the Air Intake / Charge Temperature Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

GM GENUINE supplies the 3 Air Intake / Charge Temperature Sensor Connector parts for the 2021 Chevrolet Express 2500. All of them fit every engine offered in the 2021 Express 2500.

This group includes GM GENUINE PT2922, GM GENUINE PT3827 and GM GENUINE 84677313.

This table covers the harness connectors at the Alternator / Generator. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

3 Alternator / Generator Connector parts for the 2021 Chevrolet Express 2500 come from 3 brands — ACDELCO, GM GENUINE and WELLS. Every part fits all 3 engine options (2.8L L4 DIESEL Turbocharged, 4.3L V6 and 6.6L V8).

Part numbers include ACDELCO 84941154, GM GENUINE PT2971 and WELLS 1P3341.

This table covers the connectors at the blower resistor or control module. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

One part is listed for the 2021 Chevrolet Express 2500 — GPD 1712230.

This table covers the body-harness connectors and pigtails. Typical signs include an intermittent fault that moves when you wiggle the harness, or a melted or corroded plug. Match terminal count and keyway. Repair with heat-shrink terminals, not twist-and-tape. Read more

GM GENUINE supplies the 10 Body Wiring Harness / Connector parts for the 2021 Chevrolet Express 2500. GM GENUINE PT146 carries the "Popular" badge. All of them fit every engine offered in the 2021 Express 2500.

This table covers the harness connectors at the Brake Fluid Level Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

One part is listed for the 2021 Chevrolet Express 2500 — STANDARD MOTOR PRODUCTS S2860.

This table covers the harness connectors at the Camshaft Position Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

4 Camshaft Position Sensor Connector parts for the 2021 Chevrolet Express 2500 come from 4 brands — ACDELCO, DORMAN, GM GENUINE and 1 other brand. Every part fits all 3 engine options (2.8L L4 DIESEL Turbocharged, 4.3L V6 and 6.6L V8).

This group includes ACDELCO PT3940, DORMAN 645325 and GM GENUINE 84928314 and the remaining parts above.

This table covers the wiring-harness connectors at the Chassis. Typical signs include an intermittent fault that moves when you wiggle the harness, or a melted or corroded plug. Match terminal count and keyway. Repair with heat-shrink terminals, not twist-and-tape. Read more

13 Chassis Wiring Harness / Connector parts are listed for the 2021 Chevrolet Express 2500, from GM GENUINE and ACDELCO. GM GENUINE PT2612 carries the "Popular" badge. All of them fit every engine offered in the 2021 Express 2500.

This table covers the harness connectors at the Coolant Level Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

This group shows a single part: GM GENUINE PT3910.

This table covers the harness connectors at the Crankshaft Position Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

4 Crankshaft Position Sensor Connector parts for the 2021 Chevrolet Express 2500 come from 4 brands — ACDELCO, DORMAN, HOLSTEIN and 1 other brand. 2 parts fit every engine; the other 2 are engine-specific.

Listed part numbers: ACDELCO PT3940, DORMAN 645325 and HOLSTEIN 2HAR0060, plus the other parts above.

This table covers the harness connectors at the Daytime Running Light Resistor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

One part is listed for the 2021 Chevrolet Express 2500 — GM GENUINE PT3156.

This table covers the wiring-harness connectors at the Diesel Exhaust Fluid (DEF) Pump. Typical signs include an intermittent fault that moves when you wiggle the harness, or a melted or corroded plug. Match terminal count and keyway. Repair with heat-shrink terminals, not twist-and-tape. Read more

One part is listed for the 2021 Chevrolet Express 2500 — GM GENUINE 84837084.

This table covers the harness connectors at the Differential Pressure Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

This group shows a single part: DORMAN 645325.

This table covers the harness connectors at the Door Lock Actuator. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS S1819.

This table covers the wiring-harness connectors at the Engine. Typical signs include an intermittent fault that moves when you wiggle the harness, or a melted or corroded plug. Match terminal count and keyway. Repair with heat-shrink terminals, not twist-and-tape. Read more

18 Engine Wiring Harness / Connector parts are listed for the 2021 Chevrolet Express 2500, from GM GENUINE and ACDELCO. GM GENUINE PT2974 carries the "Popular" badge. 16 parts fit every engine; the other 2 are engine-specific.

This table covers the harness connectors at the Exhaust Gas Temperature (EGT) Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

2 Exhaust Gas Temperature (EGT) Sensor Connector parts for the 2021 Chevrolet Express 2500 come from 2 brands — ACDELCO and GM GENUINE. Every part fits all 3 engine options (2.8L L4 DIESEL Turbocharged, 4.3L V6 and 6.6L V8).

Part numbers include ACDELCO 84727362 and GM GENUINE PT3445.

This table covers the harness connectors at the Fuel Injection Pressure Regulator. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

3 Fuel Injection Pressure Regulator Connector parts are listed for the 2021 Chevrolet Express 2500, from GM GENUINE and ACDELCO. All of them fit every engine offered in the 2021 Express 2500.

This group includes ACDELCO 84941154, GM GENUINE PT2971 and GM GENUINE PT3508.

This table covers the harness connectors at the Fuel Injection Pressure Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

2 Fuel Injection Pressure Sensor Connector parts for the 2021 Chevrolet Express 2500 come from 2 brands — DORMAN and STANDARD MOTOR PRODUCTS. Every part fits all 3 engine options (2.8L L4 DIESEL Turbocharged, 4.3L V6 and 6.6L V8).

This group includes DORMAN 645325 and STANDARD MOTOR PRODUCTS S2894.

This table covers the harness connectors at the Fuel Injector. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

7 Fuel Injector Connector parts for the 2021 Chevrolet Express 2500 come from 4 brands — STANDARD MOTOR PRODUCTS, GM GENUINE, GB REMANUFACTURING and 1 other brand. The "Popular" part is GM GENUINE PT3739. 4 parts fit every engine; the other 3 are engine-specific.

This group includes GM GENUINE PT3739, STANDARD MOTOR PRODUCTS HP4347 and GB REMANUFACTURING 5191 and the remaining parts above.

This table covers the harness connectors at the Fuel Pump. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS S2810.

This table covers the wiring-harness connectors at the Headlamp. Typical signs include an intermittent fault that moves when you wiggle the harness, or a melted or corroded plug. Match terminal count and keyway. Repair with heat-shrink terminals, not twist-and-tape. Read more

GM GENUINE supplies the 7 Headlamp Wiring Harness / Connector parts for the 2021 Chevrolet Express 2500. GM GENUINE PT2965 carries the "Popular" badge. All of them fit every engine offered in the 2021 Express 2500.

Part numbers include GM GENUINE PT2965, GM GENUINE PT168 and GM GENUINE PT248, among others listed above.

This table covers the harness connectors at the Headliner. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

9 Headliner Connector parts for the 2021 Chevrolet Express 2500 come from 2 brands — GM GENUINE and ACDELCO. The "Popular" part is ACDELCO PT2834. Every part fits all 3 engine options (2.8L L4 DIESEL Turbocharged, 4.3L V6 and 6.6L V8).

Part numbers include ACDELCO PT2834, GM GENUINE PT2726 and GM GENUINE PT150, among others listed above.

This table covers the harness connectors at the Heater Air Door Actuator. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

This group shows a single part: FOUR SEASONS 37280.

This table covers the harness connectors at the HVAC Control Switch / Panel. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

This group shows a single part: GPD 1713412.

This table covers the harness connectors at the Ignition Coil. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

5 Ignition Coil Connector parts for the 2021 Chevrolet Express 2500 come from 3 brands — STANDARD MOTOR PRODUCTS, ACDELCO and GM GENUINE. The "Popular" part is STANDARD MOTOR PRODUCTS HP4485. 1 part fits every engine; the other 4 are engine-specific.

Listed part numbers: STANDARD MOTOR PRODUCTS HP4485, ACDELCO PT2368 and GM GENUINE PT3886, plus the other parts above.

This table covers the harness connectors at the Instrument Panel. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

24 Instrument Panel Connector parts are listed for the 2021 Chevrolet Express 2500, from GM GENUINE and HOLSTEIN. GM GENUINE PT2830 carries the "Popular" badge. All of them fit every engine offered in the 2021 Express 2500.

This table covers the harness connectors at the Knock / Detonation Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

2 Knock / Detonation Sensor Connector parts for the 2021 Chevrolet Express 2500 come from 2 brands — GM GENUINE and WELLS. 1 part fits every engine; the other 1 is engine-specific.

Part numbers include GM GENUINE 19301207 and WELLS 1P1571.

This table covers the harness connectors at the Manifold Pressure (MAP) Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

This group shows a single part: WELLS 1P2218.

This table covers the harness connectors at the Mass Air Flow (MAF) Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

One part is listed for the 2021 Chevrolet Express 2500 — STANDARD MOTOR PRODUCTS S2507.

This table covers the harness connectors at the Oil Pressure Sender / Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

3 Oil Pressure Sender / Switch Connector parts are listed for the 2021 Chevrolet Express 2500, from GM GENUINE and STANDARD MOTOR PRODUCTS. 2 parts fit every engine; the other 1 is engine-specific.

Part numbers include GM GENUINE PT2980, GM GENUINE 86801953 and STANDARD MOTOR PRODUCTS S2882.

This table covers the harness connectors at the Oil Pump Control Valve / Solenoid. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

One part is listed for the 2021 Chevrolet Express 2500 — GM GENUINE 12681015.

This table covers the harness connectors at the Oil Temperature Sender. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

One part is listed for the 2021 Chevrolet Express 2500 — GM GENUINE PT2930.

This table covers the harness connectors at the Oxygen (O2) Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

2 Oxygen (O2) Sensor Connector 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 PT3353 and GM GENUINE 85877333.

This table covers the harness connectors at the Parking Aid Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS S1497.

This table covers the harness connectors at the Power Window Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

3 Power Window Switch Connector parts are listed for the 2021 Chevrolet Express 2500, from STANDARD MOTOR PRODUCTS and ACDELCO. All of them fit every engine offered in the 2021 Express 2500.

This group includes ACDELCO PT2372, STANDARD MOTOR PRODUCTS S804 and STANDARD MOTOR PRODUCTS S1793.

This table covers the harness connectors at the Side Marker Lamp. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

One part is listed for the 2021 Chevrolet Express 2500 — STANDARD MOTOR PRODUCTS S689.

This table covers the harness connectors at the Speaker. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

GM GENUINE supplies both parts for the 2021 Chevrolet Express 2500. All of them fit every engine offered in the 2021 Express 2500.

This group includes GM GENUINE PT3835 and GM GENUINE 25962569.

This table covers the harness connectors at the Starter Solenoid. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

2 Starter Solenoid Connector parts for the 2021 Chevrolet Express 2500 come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS. Every part fits all 3 engine options (2.8L L4 DIESEL Turbocharged, 4.3L V6 and 6.6L V8).

Listed part numbers: STANDARD MOTOR PRODUCTS S2984 and WELLS 1P3645.

This table covers the Steering Column Wiring harnesses. Read more

This group shows a single part: GM GENUINE 84026839.

This table covers the harness connectors at the Temperature Sender / Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

3 Temperature Sender / Sensor Connector parts for the 2021 Chevrolet Express 2500 come from 2 brands — GM GENUINE and STANDARD MOTOR PRODUCTS.

Listed part numbers: GM GENUINE PT1632, GM GENUINE PT2929 and STANDARD MOTOR PRODUCTS S2860.

This table covers the harness connectors at the Throttle Control Actuator. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS S2409.

This table covers the harness connectors at the Trailer Adapter. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

This group shows a single part: CURT 57101.

This table covers the trailer-lighting connectors at the hitch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

12 Trailer Connector parts are listed for the 2021 Chevrolet Express 2500, from CURT and STANDARD MOTOR PRODUCTS. CURT 55415 carries the "Popular" badge. All of them fit every engine offered in the 2021 Express 2500.

This table covers the harness connectors at the Trailer Extension. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock. Read more

This group shows a single part: CURT 56475.

This table covers the wiring-harness connectors at the Transmission-Automatic. Typical signs include an intermittent fault that moves when you wiggle the harness, or a melted or corroded plug. Match terminal count and keyway. Repair with heat-shrink terminals, not twist-and-tape. Read more

GM GENUINE supplies both parts for the 2021 Chevrolet Express 2500.

This group includes GM GENUINE 24064376 and GM GENUINE 24045609.

This table covers the terminals crimped onto a harness lead. Read more

5 Wire Terminal parts for the 2021 Chevrolet Express 2500 come from GM GENUINE. The "Popular" part is GM GENUINE 13582308. Every part fits all 3 engine options (2.8L L4 DIESEL Turbocharged, 4.3L V6 and 6.6L V8).

Listed part numbers: GM GENUINE 13582308, GM GENUINE 19351723 and GM GENUINE 13576369, plus the other parts above.