2020 Ram 1500 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 for the 2020 Ram 1500 come from 7 brands — MOPAR, WAI GLOBAL, REMY and 4 other brands. The "Popular" part is MOPAR 56029764AA.

The New section lists 12 options from MOPAR, WAI GLOBAL, BOSCH and 2 other brands — brand-new units rather than rebuilt ones. MOPAR 56029764AA is listed in this group.

The Remanufactured section lists 9 options from FVP, MOPAR, REMY and 2 other brands — factory-rebuilt units with new wear components. FVP 10381 is listed in this group.

2 further parts sit outside the graded sections, with the same engine-level match.

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

18 Battery parts are listed for the 2020 Ram 1500, from ACDELCO, DEKA, FVP and 6 other brands. DEKA 9A49 carries the "Popular" badge.

The AGM (Extended Life) section lists 16 options from ACDELCO, DEKA, FVP and 5 other brands — grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. DEKA 9A49 is listed in this group.

The Performance AGM (Extended Life + Increased Power) section lists 2 options from FULLRIVER — grouped under the catalog's "Performance AGM (Extended Life + Increased Power)" designation — the notes column spells out what sets them apart. FULLRIVER FT89049 is listed in this group.

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

2 Battery Cable parts for the 2020 Ram 1500 come from MOPAR.

This group includes MOPAR 68606646AA and MOPAR 68603896AA.

This table covers the Battery covers. Read more

This group shows a single part: MOPAR 4610380AA.

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

2 Battery Current Sensor parts for the 2020 Ram 1500 come from 2 brands — MOPAR and STANDARD MOTOR PRODUCTS. Every part fits all 3 engine options (3.0L V6 DIESEL Turbocharged, 3.6L V6 and 5.7L V8).

This group includes MOPAR 68289207AC and STANDARD MOTOR PRODUCTS BSC126.

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

2 Battery Heat Shield parts for the 2020 Ram 1500 come from MOPAR. Every part fits all 3 engine options (3.0L V6 DIESEL Turbocharged, 3.6L V6 and 5.7L V8).

Part numbers include MOPAR 5033397AE and MOPAR 68494324AA.

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

MOPAR supplies both parts for the 2020 Ram 1500. 1 part fits every engine; the other 1 is engine-specific.

Listed part numbers: MOPAR 68436638AA and MOPAR 68164628AA.

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

MOPAR supplies both parts for the 2020 Ram 1500. All of them fit every engine offered in the 2020 1500.

Part numbers include MOPAR 68292465AD and MOPAR 68095940AF.

This table covers the Battery Vent tubes. Read more

This group shows a single part: MOPAR 68334705AB.

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

This group shows a single part: MOPAR 68357472AD.

This table covers the Door control modules. Read more

MOPAR supplies the 5 Door Control Module parts for the 2020 Ram 1500. MOPAR 68225103AD carries the "Popular" badge. All of them fit every engine offered in the 2020 1500.

Part numbers include MOPAR 68225103AD, MOPAR 68424183AA and MOPAR 68225102AD, among others listed above.

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: MOPAR 68299057AD.

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

15 Fuse parts are listed for the 2020 Ram 1500, from MOPAR and BUSSMANN. MOPAR 68100746AB carries the "Popular" badge. 12 parts fit every engine; the other 3 are engine-specific.

The 10 Amp section lists 2 options from MOPAR — grouped under the catalog's "10 Amp" designation — the notes column spells out what sets them apart. MOPAR 68100731AB is listed in this group.

In the 15 Amp grade, MOPAR supplies 1 part: grouped under the catalog's "15 Amp" designation — the notes column spells out what sets them apart. A representative part number is MOPAR 68100745AB.

In the 20 Amp grade, MOPAR supplies 2 parts: grouped under the catalog's "20 Amp" designation — the notes column spells out what sets them apart. A representative part number is MOPAR 68100746AB.

The 25 Amp section lists 1 option from MOPAR — grouped under the catalog's "25 Amp" designation — the notes column spells out what sets them apart. MOPAR 68100747AB is listed in this group.

The 30 Amp section lists 2 options from MOPAR — grouped under the catalog's "30 Amp" designation — the notes column spells out what sets them apart. MOPAR 68144653AA is listed in this group.

In the 40 Amp grade, MOPAR and BUSSMANN supply 3 parts: grouped under the catalog's "40 Amp" designation — the notes column spells out what sets them apart. A representative part number is MOPAR 68144445AA.

The 50 Amp section lists 2 options from BUSSMANN and MOPAR — grouped under the catalog's "50 Amp" designation — the notes column spells out what sets them apart. BUSSMANN FMS50 is listed in this group.

In the 60 Amp grade, BUSSMANN supplies 1 part: grouped under the catalog's "60 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN FMS60.

1 ungrouped part is not assigned to a grade, with the same engine-level match.

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

8 Fuse Block parts for the 2020 Ram 1500 come from MOPAR. The "Popular" part is MOPAR 68322371AD. 2 parts fit every engine; the other 6 are engine-specific.

This group includes MOPAR 68322371AD, MOPAR 68467637AA and MOPAR 68467641AA and the remaining parts above.

This table covers the Fuse Box covers. Read more

MOPAR supplies both parts for the 2020 Ram 1500. 1 part fits every engine; the other 1 is engine-specific.

Part numbers include MOPAR 68465573AA and MOPAR 68202821AA.

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

9 Horn parts are listed for the 2020 Ram 1500, from FIAMM and MOPAR. FIAMM 72112 carries the "Popular" badge. All of them fit every engine offered in the 2020 1500.

In the Accessory Replacement grade, FIAMM supplies 5 parts: grouped under the catalog's "Accessory Replacement" designation — the notes column spells out what sets them apart. A representative part number is FIAMM 72112.

The Standard Replacement section lists 4 options from FIAMM and MOPAR — built to original-equipment specification. FIAMM 7421122 is listed in this group.

This group includes FIAMM 72112, FIAMM 7410024 and FIAMM 6602023 and the remaining parts above.

This table covers the Hybrid batteries. Typical signs include slow cranking or a battery lamp. Confirm group size and clean the terminals before condemning the battery. Read more

MOPAR supplies the 3 Hybrid Battery parts for the 2020 Ram 1500. 2 parts fit every engine; the other 1 is engine-specific.

Listed part numbers: MOPAR 68269816AC, MOPAR 68269817AC and MOPAR 68333686AC.

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

3 Keyless Entry Module / Receiver parts for the 2020 Ram 1500 come from MOPAR. Every part fits all 3 engine options (3.0L V6 DIESEL Turbocharged, 3.6L V6 and 5.7L V8).

Part numbers include MOPAR 56046957AA, MOPAR 56046958AA and MOPAR 52112204AB.

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

6 Keyless Entry Remote parts for the 2020 Ram 1500 come from DORMAN. The "Popular" part is DORMAN 99257ST. Every part fits all 3 engine options (3.0L V6 DIESEL Turbocharged, 3.6L V6 and 5.7L V8).

This group includes DORMAN 99257ST, DORMAN 99258ST and DORMAN 99255ST and the remaining parts above.

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

This group shows a single part: DORMAN 95643.

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

MOPAR supplies both parts for the 2020 Ram 1500. All of them fit every engine offered in the 2020 1500.

Listed part numbers: MOPAR 68440530AC and MOPAR 68440531AC.

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

7 Parking Aid Sensor parts for the 2020 Ram 1500 come from 3 brands — DORMAN, STANDARD MOTOR PRODUCTS and MOPAR. The "Popular" part is DORMAN 684102. Every part fits all 3 engine options (3.0L V6 DIESEL Turbocharged, 3.6L V6 and 5.7L V8).

Listed part numbers: DORMAN 684102, STANDARD MOTOR PRODUCTS PPS110 and DORMAN 684126, plus the other parts above.

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

15 Parking Aid Sensor Bracket parts for the 2020 Ram 1500 come from 4 brands — MOPAR, TECHPRO, WESTIN and 1 other brand. The "Popular" part is DORMAN 42446. Every part fits all 3 engine options (3.0L V6 DIESEL Turbocharged, 3.6L V6 and 5.7L V8).

This table covers the Power inverters. Read more

2 Power Inverter parts for the 2020 Ram 1500 come from MOPAR. Every part fits all 3 engine options (3.0L V6 DIESEL Turbocharged, 3.6L V6 and 5.7L V8).

Listed part numbers: MOPAR 56046934AA and MOPAR 68312754AC.

This table covers the powertrain-control modules that run engine and transmission. Read more

One part is listed for the 2020 Ram 1500 — MOPAR 68256850AA.

This table covers the capacitors that suppress radio noise. Read more

One part is listed for the 2020 Ram 1500 — STANDARD MOTOR PRODUCTS RC33.

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

3 Rain Sensor parts for the 2020 Ram 1500 come from MOPAR. Every part fits all 3 engine options (3.0L V6 DIESEL Turbocharged, 3.6L V6 and 5.7L V8).

Listed part numbers: MOPAR 68298334AA, MOPAR 68149325AC and MOPAR 68298468AA.

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

This group shows a single part: MOPAR 68454413AA.

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

One part is listed for the 2020 Ram 1500 — MOPAR 4799061AB.