2004 Buick Rainier 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

41 Belt parts for the 2004 Buick Rainier come from 8 brands — CONTINENTAL, ACDELCO, GATES and 5 other brands. The "Popular" part is GATES K040365. Economy, Heavy Duty and Standard Replacement are all represented, and Economy alone accounts for 21 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

48 Belt Tensioner parts are listed for the 2004 Buick Rainier, from DAYCO, CLOYES, CONTINENTAL and 10 other brands. SKP SK89269 carries the "Popular" badge. Economy, Kit and Standard Replacement are all represented, and Kit alone accounts for 19 parts.

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

27 Idler Pulley parts for the 2004 Buick Rainier come from 12 brands — SKP, ACDELCO, LITENS and 9 other brands. The "Popular" part is SKP SK419628. They are grouped as Economy and Standard Replacement, with Standard Replacement the largest group at 18 parts from ACDELCO, LITENS, DAYCO and 6 other brands.

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

25 Tensioner Pulley parts are listed for the 2004 Buick Rainier, from DAYCO, ACDELCO, CONTINENTAL and 8 other brands. ACDELCO 38009 carries the "Popular" badge.

In the Economy grade, DORMAN, AUTOTECNICA and SKP supply 4 parts: the catalog's value-priced group. A representative part number is AUTOTECNICA GM1414486.

The Standard Replacement section lists 13 options from DAYCO, ACDELCO, CONTINENTAL and 4 other brands — built to original-equipment specification. ACDELCO 38009 is listed in this group.

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