2012 Ram 2500 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

31 Belt parts for the 2012 Ram 2500 come from 10 brands — GATES, ACDELCO, DAYCO and 7 other brands. The "Popular" part is GATES K060795. Economy, Heavy Duty and Standard Replacement are all represented, and Standard Replacement alone accounts for 14 parts.

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

32 Belt Tensioner parts are listed for the 2012 Ram 2500, from DAYCO, GATES, CLOYES and 8 other brands. SKP SK89362 carries the "Popular" badge. Grades run from Economy through Standard Replacement; Kit is the most populated section, led by DAYCO, GATES, ACDELCO and 2 other brands.

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 2012 Ram 2500 come from 11 brands — SKP, DORMAN, FOUR SEASONS and 8 other brands. The "Popular" part is SKP SK89033.

The Economy section lists 7 options from SKP, DORMAN and ÜRO PARTS — the catalog's value-priced group. SKP SK89033 is listed in this group.

In the Standard Replacement grade, FOUR SEASONS, GATES, ACDELCO and 5 other brands supply 14 parts: built to original-equipment specification. A representative part number is FOUR SEASONS 45917.

This table covers the Idler Pulley bearings. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly. Read more

This group shows a single part: MOPAR 4429639.

This table covers the Idler Pulley bolts. Read more

One part is listed for the 2012 Ram 2500 — MOPAR 06508247AA.

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

12 Tensioner Pulley parts are listed for the 2012 Ram 2500, from SKP, ÜRO PARTS, DAYCO and 6 other brands. DAYCO 89144 carries the "Popular" badge.

Economy: 5 parts, from SKP, ÜRO PARTS and DORMAN. A representative part number is DORMAN 419636.

The Standard Replacement section: 7 options from DAYCO, GATES, ACDELCO and 3 other brands. DAYCO 89144 is listed in this group.