2021 Ram 1500 Classic 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

42 Alternator / Generator parts are listed for the 2021 Ram 1500 Classic, from REMY, TERREPOWER, WAI GLOBAL and 6 other brands. TYC 211598 carries the "Popular" badge. Grades run from New through Remanufactured; Remanufactured is the most populated section, led by REMY, TERREPOWER, FVP and 3 other brands.

This table covers the pulleys on the alternator shaft. Typical signs include a growl or chirp that follows engine speed, or a pulley that will not spin freely by hand. Spin each pulley with the belt off. Roughness or play means replace it with the belt. Read more

This group shows a single part: DORMAN 300421.

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

8 Battery parts for the 2021 Ram 1500 Classic come from 8 brands — DEKA, FVP, ACDELCO and 5 other brands. The "Popular" part is DEKA 9A94R. Every part fits both the 3.6L V6 and the 5.7L V8.

In the AGM (Extended Life) grade, DEKA, FVP, ACDELCO and 4 other brands supply 7 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 9A94R.

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 FT85094R.

Listed part numbers: DEKA 9A94R, FVP P94RAGM and ACDELCO 94RAGM, plus the other parts 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 2021 Ram 1500 Classic — STANDARD MOTOR PRODUCTS BSC15.

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

One part is listed for the 2021 Ram 1500 Classic — DORMAN 956356.

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

DORMAN supplies the 4 Keyless Entry Remote parts for the 2021 Ram 1500 Classic. All of them fit every engine offered in the 2021 1500 Classic.

Part numbers include DORMAN 99772ST, DORMAN 99509ST and DORMAN 99770ST, among others listed above.

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 are listed for the 2021 Ram 1500 Classic, from BOSCH, AUTOTECNICA, SKP and 2 other brands. BOSCH 0263043552 carries the "Popular" badge. All of them fit every engine offered in the 2021 1500 Classic.

Part numbers include BOSCH 0263043552, AUTOTECNICA CY1317815 and SKP SK684007, among others listed 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

7 Parking Aid Sensor Bracket parts are listed for the 2021 Ram 1500 Classic, from TECHPRO, WESTIN and DORMAN. DORMAN 42446 carries the "Popular" badge. All of them fit every engine offered in the 2021 1500 Classic.

Listed part numbers: DORMAN 42446, TECHPRO CH1074106 and TECHPRO CH1074105, plus the other parts above.

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

This group shows a single part: STANDARD MOTOR PRODUCTS RC33.

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

23 Starter Motor parts are listed for the 2021 Ram 1500 Classic, from PURE ENERGY, REMY, TERREPOWER and 5 other brands. PURE ENERGY 19202N carries the "Popular" badge.

In the New grade, PURE ENERGY, TYC, REMY and 2 other brands supply 10 parts: brand-new units rather than rebuilt ones. A representative part number is PURE ENERGY 19202N.

In the Remanufactured grade, ACDELCO, PURE ENERGY, BOSCH and 4 other brands supply 13 parts: factory-rebuilt units with new wear components. A representative part number is ACDELCO 3362212A.