2021 Chrysler 300 Belt Drive Parts

This table covers the serpentine and accessory belts that drive the front accessories. Typical signs include squeal on cold start, cracks across the ribs, or glazing on the back of the belt. A new belt on a worn tensioner will squeal within weeks — spin the idlers by hand while the belt is off. Read more

18 Belt parts for the 2021 Chrysler 300 come from 8 brands — CONTINENTAL, DAYCO, FVP and 5 other brands. The "Popular" part is BANDO 6PK2080.

The Economy section lists 8 options from CONTINENTAL, DAYCO, FVP and 2 other brands — the catalog's value-priced group. CONTINENTAL 660K6MK is listed in this group.

In the Standard Replacement grade, BANDO, CONTINENTAL, DAYCO and 3 other brands supply 10 parts: built to original-equipment specification. A representative part number is BANDO 6PK2080.

This table covers the automatic tensioners that hold belt tension. Typical signs include belt flutter, a chirp that returns after a new belt, or a damper that no longer holds the arm. Replace the tensioner with the belt at higher mileage; the labor overlaps almost entirely. Read more

20 Belt Tensioner parts are listed for the 2021 Chrysler 300, from GATES, SKP, DORMAN and 8 other brands. SKP SK89632 carries the "Popular" badge.

Economy: 6 parts, from SKP, DORMAN, CLOYES and 1 other brand. A representative part number is SKP SK89632.

In the Kit grade, GATES and ULTRA-POWER supply 2 parts: grouped under the catalog's "Kit" designation — the notes column spells out what sets them apart. A representative part number is GATES 90K39282.

The Standard Replacement section: 12 options from ACDELCO, CONTINENTAL, LITENS and 3 other brands. ACDELCO 38323 is listed in this group.

This table covers the idler pulleys the belt wraps around. Typical signs include a chirp that follows engine speed, or a pulley that feels rough or has play. Replace a noisy idler with the belt — the labor is already paid for. Read more

21 Idler Pulley parts for the 2021 Chrysler 300 come from 11 brands — MOPAR, SKP, DORMAN and 8 other brands. The "Popular" part is SKP SK89070. 9 parts fit every engine; the other 12 are engine-specific.

The Economy section: 5 options from SKP, DORMAN and ÜRO PARTS. SKP SK89070 is listed in this group.

Standard Replacement: 16 parts, from MOPAR, GATES, CONTINENTAL and 5 other brands. A representative part number is ACDELCO 38082.

This table covers the brackets that mount the Idler Pulley. 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 4593918AA.

This table covers the pulleys on the tensioner arm. 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

5 Tensioner Pulley parts are listed for the 2021 Chrysler 300, from AUTOTECNICA, ÜRO PARTS and CONTINENTAL.

Economy: 2 parts, from AUTOTECNICA and ÜRO PARTS. A representative part number is AUTOTECNICA 06F903315P.

The Standard Replacement section: 1 option from CONTINENTAL. CONTINENTAL 49161 is listed in this group.

2 ungrouped parts are not assigned to a grade, with the same engine-level match.

This group includes AUTOTECNICA 06F903315P and CONTINENTAL 49161 and the remaining parts above.