2025 Ram 4500 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

6 Alternator / Generator parts for the 2025 Ram 4500 come from MOPAR.

Listed part numbers: MOPAR 68527972AA, MOPAR 68527973AA and MOPAR 68617106AA, plus the other parts above.

This table covers the brackets that mount the Alternator / Generator. 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

2 Alternator / Generator Bracket parts for the 2025 Ram 4500 come from MOPAR.

This group includes MOPAR 4627648AC and MOPAR 68595349AB.

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

2 Battery parts are listed for the 2025 Ram 4500, from BOSCH and FVP. All of them fit every engine offered in the 2025 4500.

Listed part numbers: BOSCH S6587B and FVP P94RAGM.

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

3 Battery Cable parts for the 2025 Ram 4500 come from MOPAR.

Part numbers include MOPAR 68603870AA, MOPAR 68646338AB and MOPAR 68646339AB.

This table covers the Battery covers. Read more

2 Battery Cover parts for the 2025 Ram 4500 come from MOPAR. 1 part fits every engine; the other 1 is engine-specific.

This group includes MOPAR 68709001AB and MOPAR 68497402AA.

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

This group shows a single part: MOPAR 68370876AB.

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: MOPAR 68494324AA.

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

One part is listed for the 2025 Ram 4500 — MOPAR 68673610AA.

This table covers the inverters that power a hybrid or EV drive motor. Read more

2 Drive Motor Inverter parts for the 2025 Ram 4500 come from MOPAR. Every part fits both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged.

Part numbers include MOPAR 68597010AF and MOPAR 68635783AF.

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

MOPAR supplies the 10 Fuse parts for the 2025 Ram 4500. MOPAR 6101486 carries the "Popular" badge. 9 parts fit every engine; the other 1 is engine-specific.

The 10 Amp section lists 3 options from MOPAR — grouped under the catalog's "10 Amp" designation — the notes column spells out what sets them apart. MOPAR 6101486 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 supplies 1 part: grouped under the catalog's "40 Amp" designation — the notes column spells out what sets them apart. A representative part number is MOPAR 68144445AA.

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

2 Fuse Block parts for the 2025 Ram 4500 come from MOPAR.

Part numbers include MOPAR 68614582AB and MOPAR 68614583AB.

This table covers the Fuse Box covers. Read more

One part is listed for the 2025 Ram 4500 — MOPAR 68202821AA.

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

One part is listed for the 2025 Ram 4500 — MOPAR 68297891AC.

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

4 Keyless Entry Module / Receiver parts for the 2025 Ram 4500 come from MOPAR. Every part fits both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged.

Part numbers include MOPAR 52112203AB, MOPAR 68530444AC and MOPAR 68591564AA, among others listed above.

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

This group shows a single part: MOPAR 68591515AA.

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

3 Parking Aid Sensor parts for the 2025 Ram 4500 come from 2 brands — STANDARD MOTOR PRODUCTS and MOPAR. Every part fits both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged.

This group includes MOPAR 6MK25TZZAA, STANDARD MOTOR PRODUCTS PPS110 and STANDARD MOTOR PRODUCTS PPS111.

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

This group shows a single part: MOPAR 68271824AA.

This table covers the Power inverters. Read more

This group shows a single part: MOPAR 68604004AD.

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 68668934AA.

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

2 Starter Motor parts for the 2025 Ram 4500 come from 2 brands — MOPAR and WAI GLOBAL.

Listed part numbers: MOPAR 68583977AA and WAI GLOBAL 16437N.

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 2025 Ram 4500 — MOPAR 68371509AA.