2021 Ram Promaster 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

18 Alternator / Generator parts for the 2021 Ram Promaster 1500 come from 10 brands — BOSCH, MOPAR, FVP and 7 other brands. The "Popular" part is SKP SK11793.

The New section lists 6 options from MOPAR, SKP, TYC and 2 other brands — brand-new units rather than rebuilt ones. SKP SK11793 is listed in this group.

The Remanufactured section lists 12 options from BOSCH, FVP, PURE ENERGY and 4 other brands — factory-rebuilt units with new wear components. DENSO 2101201 is listed in this group.

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

16 Battery parts are listed for the 2021 Ram Promaster 1500, from DEKA, LUCAS, ACDELCO and 7 other brands. DEKA 9A49 carries the "Popular" badge.

The AGM (Extended Life) section lists 15 options from DEKA, LUCAS, ACDELCO and 6 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 1 option 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

3 Battery Cable parts for the 2021 Ram Promaster 1500 come from MOPAR.

Listed part numbers: MOPAR 4727651AB, MOPAR 52112166AA and MOPAR 52112163AC.

This table covers the Battery covers. Read more

This group shows a single part: MOPAR 6JV49LAHAB.

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

21 Fuse parts are listed for the 2021 Ram Promaster 1500, from BUSSMANN and MOPAR. BUSSMANN ATM20LP carries the "Popular" badge.

The 10 Amp section lists 2 options from BUSSMANN and MOPAR — grouped under the catalog's "10 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATM10LP is listed in this group.

In the 15 Amp grade, BUSSMANN 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 BUSSMANN ATM15LP.

In the 20 Amp grade, BUSSMANN and MOPAR supply 3 parts: grouped under the catalog's "20 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATM20LP.

The 225 Amp section lists 1 option from BUSSMANN — grouped under the catalog's "225 Amp" designation — the notes column spells out what sets them apart. BUSSMANN AMG225 is listed in this group.

The 25 Amp section lists 2 options from BUSSMANN and MOPAR — grouped under the catalog's "25 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATM25LP is listed in this group.

The 250 Amp section lists 1 option from MOPAR — grouped under the catalog's "250 Amp" designation — the notes column spells out what sets them apart. MOPAR 68234719AA is listed in this group.

The 30 Amp section lists 2 options from BUSSMANN — grouped under the catalog's "30 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATM30LP is listed in this group.

In the 40 Amp grade, BUSSMANN and MOPAR 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 BUSSMANN FMX40LP.

The 5 Amp section lists 2 options from BUSSMANN and MOPAR — grouped under the catalog's "5 Amp" designation — the notes column spells out what sets them apart. BUSSMANN ATM5LP 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 FMX60LP.

In the 7.5 Amp grade, BUSSMANN supplies 1 part: grouped under the catalog's "7.5 Amp" designation — the notes column spells out what sets them apart. A representative part number is BUSSMANN ATM712LP.

The 70 Amp section lists 2 options from MOPAR — grouped under the catalog's "70 Amp" designation — the notes column spells out what sets them apart. MOPAR 68172085AA is listed in this group.

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

2 Fuse Block parts for the 2021 Ram Promaster 1500 come from MOPAR.

Part numbers include MOPAR 68305537AB and MOPAR 68422354AA.

This table covers the Fuse Box covers. Read more

MOPAR supplies both parts for the 2021 Ram Promaster 1500.

This group includes MOPAR 68100627AA and MOPAR 68100637AA.

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

This group shows a single part: DORMAN 99419ST.

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

One part is listed for the 2021 Ram Promaster 1500 — MOPAR 4727598AB.

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

5 Parking Aid Sensor parts for the 2021 Ram Promaster 1500 come from 5 brands — BOSCH, DORMAN, MOPAR and 2 other brands. The "Popular" part is BOSCH 0263023433.

Part numbers include BOSCH 0263023433, DORMAN 684119 and MOPAR 4727752AA, among others listed above.

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

One part is listed for the 2021 Ram Promaster 1500 — STANDARD MOTOR PRODUCTS RC33.

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 68471115AA.

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 are listed for the 2021 Ram Promaster 1500, from DELPHI, HOLSTEIN, STANDARD MOTOR PRODUCTS and 1 other brand. STANDARD MOTOR PRODUCTS SC609 carries the "Popular" badge.

In the Economy grade, HOLSTEIN supplies 1 part: the catalog's value-priced group. A representative part number is HOLSTEIN 2VSS0711.

The Standard Replacement section lists 3 options from DELPHI and STANDARD MOTOR PRODUCTS — built to original-equipment specification. STANDARD MOTOR PRODUCTS SC609 is listed in this group.

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

This group includes STANDARD MOTOR PRODUCTS SC609, HOLSTEIN 2VSS0711 and DELPHI SS12392 and the remaining parts above.

This table covers the Starter armatures. Read more

This group shows a single part: BOSCH 1986SE0331.

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

13 Starter Motor parts for the 2021 Ram Promaster 1500 come from 9 brands — PURE ENERGY, MOPAR, TERREPOWER and 6 other brands. The "Popular" part is PURE ENERGY 19616N.

The New section: 5 options from PURE ENERGY, TYC, MOPAR and 2 other brands. PURE ENERGY 19616N is listed in this group.

The Remanufactured section: 8 options from PURE ENERGY, ACDELCO, BOSCH and 5 other brands. PURE ENERGY 19616 is listed in this group.