Dynamic Friction
True Balanced Brake Drum

Dynamic Friction 365-47021 Brake Drum - Rear

Brand Dynamic Friction 365-47021
Position Rear
Product line True Balanced Brake Drum
Fits Chevrolet, Pontiac, Oldsmobile, Buick, and Cadillac · 231 vehicles

True balanced design. Helps promote smoother, more consistent braking performance.

Brake drum for dependable stopping power.

$74.27Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Brake Drums are typically replaced in pairs, axle by axle.
Order total $74.27
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Rear Brake Drum for Select GM Vehicles

Dynamic Friction True Balanced Brake Drum 365-47021 is a rear brake drum for a wide range of Chevrolet, Pontiac, Buick, Oldsmobile, Cadillac, and related GM applications. It is built for direct replacement use on vehicles such as the Chevrolet Malibu, Pontiac Grand Am, and Buick Century with rear drum brake setups.

Key Features

  • Brand: Dynamic Friction
  • Product line: True Balanced Brake Drum
  • Part number: 365-47021
  • Rear brake drum application
  • Compatible with select GM passenger cars and vans from 1984-2005
  • Coverage includes Chevrolet Malibu rear brake drum and Pontiac Grand Am rear brake drum applications

Fitment Coverage

  • Fits 2004-2005 Chevrolet Classic, rear
  • Fits 2004-2005 Chevrolet Malibu, rear; Classic; N Body
  • Fits 1999-2005 Pontiac Montana, rear
  • Fits 2003-2004 Oldsmobile Alero, rear
  • Fits 1990-2004 Oldsmobile Silhouette, rear
  • Fits 1999-2004 Pontiac Grand Am, rear
  • Fits 1993-2003 Buick Century, rear
  • Fits 1984 Buick Century, rear
  • Fits 1997-2003 Chevrolet Malibu, rear
  • Fits 1996-2001 Chevrolet Lumina, rear
  • Fits 1986-1999 Buick LeSabre, rear
  • Fits 1996-1999 Chevrolet Monte Carlo, rear
  • Fits 1992-1999 Oldsmobile 88, rear
  • Fits 1997-1999 Oldsmobile Cutlass, rear
  • Fits 1996-1999 Oldsmobile LSS, rear
  • Fits 1987-1999 Pontiac Bonneville, rear
  • Fits 1997-1998 Oldsmobile Regency, rear
  • Fits 1990-1998 Pontiac Trans Sport, rear
  • Fits 1991-1996 Buick Park Avenue, rear
  • Fits 1990-1996 Chevrolet Lumina APV, rear
  • Fits 1985-1996 Oldsmobile 98, rear
  • Fits 1991-1996 Oldsmobile Cutlass Ciera, rear
  • Fits 1984-1986 Oldsmobile Cutlass Ciera, rear
  • Fits 1995 Chevrolet Lumina, rear; 286mm Rotors
  • Fits 1995 Chevrolet Lumina, rear; 267mm Rotors
  • Fits 1995 Chevrolet Monte Carlo, rear; 267mm Rotors
  • Fits 1995 Chevrolet Monte Carlo, rear; 286mm Rotors
  • Fits 1987-1994 Oldsmobile Cutlass Cruiser, rear
  • Fits 1990-1993 Cadillac DeVille, rear; Standard Duty
  • Fits 1990-1992 Buick Century, rear; Finned Drums
  • Fits 1988-1992 Buick Century, rear; Heavy Duty Brakes, JA2 Brakes
  • Fits 1988-1992 Buick Century, rear; Medium Duty Brakes, JA8 Brakes
  • Fits 1990-1992 Cadillac Commercial Chassis, rear; Standard Duty
  • Fits 1990-1992 Cadillac Fleetwood, rear; Standard Duty
  • Fits 1990-1992 Oldsmobile Cutlass Ciera, rear; Finned Drums
  • Fits 1986-1991 Oldsmobile Delta 88, rear
  • Fits 1985-1991 Pontiac 6000, rear
  • Fits 1988-1990 Chevrolet Celebrity, rear
  • Fits 1984 Chevrolet Celebrity, rear
  • Fits 1986-1989 Cadillac Commercial Chassis, rear
  • Fits 1985-1989 Cadillac DeVille, rear
  • Fits 1985-1989 Cadillac Fleetwood, rear
  • Fits 1987 Buick Century, rear; Medium & Heavy Duty Brakes, JA2 JA3 & JA8 Brakes, 115mm Bolt Circle
  • Fits 1987 Chevrolet Celebrity, rear; Heavy Duty, JA3 & JA8 Brakes, 115mm Bolt Circle
  • Fits 1985-1986 Buick Century, rear; Medium & Heavy Duty Brakes, JA2 & JA8 Brakes, 115mm Bolt Circle
  • Fits 1985-1986 Chevrolet Celebrity, rear; excluding Police Package
  • Fits 1985-1986 Chevrolet Celebrity, rear; Police Package
  • Fits 1984 Pontiac 6000, rear; JA3 Brakes

Product Details

This rear brake drum is intended for drum brake service on select GM platforms, including Chevrolet Malibu, Pontiac Grand Am, Buick Century, and related models. The True Balanced Brake Drum line is positioned for applications where rear brake drum fitment must match the vehicle’s original brake configuration, including standard-duty, heavy-duty, finned drum, and specific rotor-size notes where listed. Part number 365-47021 is a direct-reference identifier for ordering and catalog matching.

Common Problems It Can Address

  • Rear brake pulsation from an out-of-round drum
  • Brake noise caused by worn drum surfaces
  • Poor rear braking performance from drum wear
  • Parking brake inconsistency on drum-equipped rear axles
  • Fitment issues when replacing a drum on a specific GM brake package

Installation Notes

Verify rear axle brake configuration, brake package codes, and any notes such as JA2, JA3, JA8, finned drums, or rotor-size references before installation. Confirm drum dimensions and vehicle application against the existing brake setup on the Chevrolet Malibu, Pontiac Grand Am, Buick Century, or other listed model. Part number 365-47021 should be matched to the exact rear brake application shown in the fitment data.

Quality Assurance

Dynamic Friction True Balanced Brake Drum 365-47021 is cataloged for broad GM rear brake coverage and application-specific fitment. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

This part fits 231 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelBody TypeDrive TypePositionNotes
2005ChevroletClassicRearTrue Balanced Brake Drum
2005ChevroletMalibuBaseRearClassic; N Body; True Balanced Brake Drum
2005PontiacMontanaBaseRearTrue Balanced Brake Drum
2004ChevroletClassicRearTrue Balanced Brake Drum
2004ChevroletMalibuRearClassic; N Body; True Balanced Brake Drum
2004OldsmobileAleroRearTrue Balanced Brake Drum
2004OldsmobileSilhouetteFWDRearTrue Balanced Brake Drum
2004PontiacGrand AmRearTrue Balanced Brake Drum
2004PontiacMontanaFWDRearTrue Balanced Brake Drum
2003BuickCenturyRearTrue Balanced Brake Drum
2003ChevroletMalibuRearTrue Balanced Brake Drum
2003OldsmobileAleroRearTrue Balanced Brake Drum
2003OldsmobileSilhouetteFWDRearTrue Balanced Brake Drum
2003PontiacGrand AmRearTrue Balanced Brake Drum
2003PontiacMontanaFWDRearTrue Balanced Brake Drum
2002BuickCenturyRearTrue Balanced Brake Drum
2002ChevroletMalibuRearTrue Balanced Brake Drum
2002OldsmobileSilhouetteFWDRearTrue Balanced Brake Drum
2002PontiacGrand AmRearTrue Balanced Brake Drum
2002PontiacMontanaFWDRearTrue Balanced Brake Drum
2001BuickCenturyRearTrue Balanced Brake Drum
2001ChevroletLuminaRearTrue Balanced Brake Drum
2001ChevroletMalibuRearTrue Balanced Brake Drum
2001OldsmobileSilhouetteRearTrue Balanced Brake Drum
2001PontiacGrand AmRearTrue Balanced Brake Drum
2001PontiacMontanaRearTrue Balanced Brake Drum
2000BuickCenturyRearTrue Balanced Brake Drum
2000ChevroletLuminaRearTrue Balanced Brake Drum
2000ChevroletMalibuRearTrue Balanced Brake Drum
2000OldsmobileSilhouetteRearTrue Balanced Brake Drum
2000PontiacGrand AmRearTrue Balanced Brake Drum
2000PontiacMontanaRearTrue Balanced Brake Drum
1999BuickCenturyRearTrue Balanced Brake Drum
1999BuickLeSabreRearTrue Balanced Brake Drum
1999ChevroletLuminaRearTrue Balanced Brake Drum
1999ChevroletMalibuRearTrue Balanced Brake Drum
1999ChevroletMonte CarloRearTrue Balanced Brake Drum
1999Oldsmobile88RearTrue Balanced Brake Drum
1999OldsmobileCutlassRearTrue Balanced Brake Drum
1999OldsmobileLSSRearTrue Balanced Brake Drum
1999OldsmobileSilhouetteRearTrue Balanced Brake Drum
1999PontiacBonnevilleRearTrue Balanced Brake Drum
1999PontiacGrand AmRearTrue Balanced Brake Drum
1999PontiacMontanaRearTrue Balanced Brake Drum
1998BuickCenturyRearTrue Balanced Brake Drum
1998BuickLeSabreRearTrue Balanced Brake Drum
1998ChevroletLuminaRearTrue Balanced Brake Drum
1998ChevroletMalibuRearTrue Balanced Brake Drum
1998ChevroletMonte CarloRearTrue Balanced Brake Drum
1998Oldsmobile88RearTrue Balanced Brake Drum
1998OldsmobileCutlassRearTrue Balanced Brake Drum
1998OldsmobileLSSRearTrue Balanced Brake Drum
1998OldsmobileRegencyRearTrue Balanced Brake Drum
1998OldsmobileSilhouetteRearTrue Balanced Brake Drum
1998PontiacBonnevilleRearTrue Balanced Brake Drum
1998PontiacTrans SportRearTrue Balanced Brake Drum
1997BuickCenturyRearTrue Balanced Brake Drum
1997BuickLeSabreRearTrue Balanced Brake Drum
1997ChevroletLuminaRearTrue Balanced Brake Drum
1997ChevroletMalibuRearTrue Balanced Brake Drum
1997ChevroletMonte CarloRearTrue Balanced Brake Drum
1997Oldsmobile88RearTrue Balanced Brake Drum
1997OldsmobileCutlassRearTrue Balanced Brake Drum
1997OldsmobileLSSRearTrue Balanced Brake Drum
1997OldsmobileRegencyRearTrue Balanced Brake Drum
1997OldsmobileSilhouetteRearTrue Balanced Brake Drum
1997PontiacBonnevilleRearTrue Balanced Brake Drum
1997PontiacTrans SportRearTrue Balanced Brake Drum
1996BuickCenturyRearTrue Balanced Brake Drum
1996BuickLeSabreRearTrue Balanced Brake Drum
1996BuickPark AvenueRearTrue Balanced Brake Drum
1996ChevroletLuminaRearTrue Balanced Brake Drum
1996ChevroletLumina APVRearTrue Balanced Brake Drum
1996ChevroletMonte CarloRearTrue Balanced Brake Drum
1996Oldsmobile88RearTrue Balanced Brake Drum
1996Oldsmobile98RearTrue Balanced Brake Drum
1996OldsmobileCutlass CieraRearTrue Balanced Brake Drum
1996OldsmobileLSSRearTrue Balanced Brake Drum
1996OldsmobileSilhouetteRearTrue Balanced Brake Drum
1996PontiacBonnevilleRearTrue Balanced Brake Drum
1996PontiacTrans SportRearTrue Balanced Brake Drum
1995BuickCenturyRearTrue Balanced Brake Drum
1995BuickLeSabreRearTrue Balanced Brake Drum
1995BuickPark AvenueRearTrue Balanced Brake Drum
1995ChevroletLuminaRear286mm Rotors; True Balanced Brake Drum
1995ChevroletLuminaRear267mm Rotors; True Balanced Brake Drum
1995ChevroletLumina APVRearTrue Balanced Brake Drum
1995ChevroletMonte CarloRear267mm Rotors; True Balanced Brake Drum
1995ChevroletMonte CarloRear286mm Rotors; True Balanced Brake Drum
1995Oldsmobile88RearTrue Balanced Brake Drum
1995Oldsmobile98RearTrue Balanced Brake Drum
1995OldsmobileCutlass CieraRearTrue Balanced Brake Drum
1995OldsmobileSilhouetteRearTrue Balanced Brake Drum
1995PontiacBonnevilleRearTrue Balanced Brake Drum
1995PontiacTrans SportRearTrue Balanced Brake Drum
1994BuickCenturyRearTrue Balanced Brake Drum
1994BuickLeSabreRearTrue Balanced Brake Drum
1994BuickPark AvenueRearTrue Balanced Brake Drum
1994ChevroletLumina APVRearTrue Balanced Brake Drum
1994Oldsmobile88RearTrue Balanced Brake Drum
1994Oldsmobile98RearTrue Balanced Brake Drum
1994OldsmobileCutlass CieraRearTrue Balanced Brake Drum
1994OldsmobileCutlass CruiserRearTrue Balanced Brake Drum
1994OldsmobileSilhouetteRearTrue Balanced Brake Drum
1994PontiacBonnevilleRearTrue Balanced Brake Drum
1994PontiacTrans SportRearTrue Balanced Brake Drum
1993BuickCenturyRearTrue Balanced Brake Drum
1993BuickLeSabreRearTrue Balanced Brake Drum
1993BuickPark AvenueRearTrue Balanced Brake Drum
1993CadillacDeVilleRearStandard Duty; True Balanced Brake Drum
1993ChevroletLumina APVRearTrue Balanced Brake Drum
1993Oldsmobile88RearTrue Balanced Brake Drum
1993Oldsmobile98RearTrue Balanced Brake Drum
1993OldsmobileCutlass CieraRearTrue Balanced Brake Drum
1993OldsmobileCutlass CruiserRearTrue Balanced Brake Drum
1993OldsmobileSilhouetteRearTrue Balanced Brake Drum
1993PontiacBonnevilleRearTrue Balanced Brake Drum
1993PontiacTrans SportRearTrue Balanced Brake Drum
1992BuickCenturyCoupeRearFinned Drums - compatible with specific vehicle models; True Balanced Brake Drum
1992BuickCenturySedanRearFinned Drums - compatible with specific vehicle models; True Balanced Brake Drum
1992BuickCenturyWagonRearHeavy Duty Brakes, JA2 Brakes; True Balanced Brake Drum
1992BuickCenturyWagonRearMedium Duty Brakes, JA8 Brakes; True Balanced Brake Drum
1992BuickLeSabreRearTrue Balanced Brake Drum
1992BuickPark AvenueRearTrue Balanced Brake Drum
1992CadillacCommercial ChassisFWDRearStandard Duty; True Balanced Brake Drum
1992CadillacDeVilleRearStandard Duty; True Balanced Brake Drum
1992CadillacFleetwoodRearStandard Duty; True Balanced Brake Drum
1992ChevroletLumina APVRearTrue Balanced Brake Drum
1992Oldsmobile88RearTrue Balanced Brake Drum
1992Oldsmobile98RearTrue Balanced Brake Drum
1992OldsmobileCutlass CieraWagonRearTrue Balanced Brake Drum
1992OldsmobileCutlass CieraSedanRearFinned Drums - compatible with specific vehicle models; True Balanced Brake Drum
1992OldsmobileCutlass CruiserRearTrue Balanced Brake Drum
1992OldsmobileSilhouetteRearTrue Balanced Brake Drum
1992PontiacBonnevilleRearTrue Balanced Brake Drum
1992PontiacTrans SportRearTrue Balanced Brake Drum
1991BuickCenturyCoupeRearFinned Drums - compatible with specific vehicle models; True Balanced Brake Drum
1991BuickCenturySedanRearFinned Drums - compatible with specific vehicle models; True Balanced Brake Drum
1991BuickCenturyWagonRearHeavy Duty Brakes, JA2 Brakes; True Balanced Brake Drum
1991BuickCenturyWagonRearMedium Duty Brakes, JA8 Brakes; True Balanced Brake Drum
1991BuickLeSabreRearTrue Balanced Brake Drum
1991BuickPark AvenueRearTrue Balanced Brake Drum
1991CadillacCommercial ChassisRearStandard Duty; True Balanced Brake Drum
1991CadillacDeVilleRearStandard Duty; True Balanced Brake Drum
1991CadillacFleetwoodRearStandard Duty; True Balanced Brake Drum
1991ChevroletLumina APVRearTrue Balanced Brake Drum
1991Oldsmobile98RearTrue Balanced Brake Drum
1991OldsmobileCutlass CieraWagonRearTrue Balanced Brake Drum
1991OldsmobileCutlass CieraSedanRearFinned Drums - compatible with specific vehicle models; True Balanced Brake Drum
1991OldsmobileCutlass CruiserRearTrue Balanced Brake Drum
1991OldsmobileDelta 88RearTrue Balanced Brake Drum
1991OldsmobileSilhouetteRearTrue Balanced Brake Drum
1991Pontiac6000WagonRearTrue Balanced Brake Drum
1991PontiacBonnevilleRearTrue Balanced Brake Drum
1991PontiacTrans SportRearTrue Balanced Brake Drum
1990BuickCenturyCoupeRearFinned Drums - compatible with specific vehicle models; True Balanced Brake Drum
1990BuickCenturySedanRearFinned Drums - compatible with specific vehicle models; True Balanced Brake Drum
1990BuickCenturyWagonRearHeavy Duty Brakes, JA2 Brakes; True Balanced Brake Drum
1990BuickCenturyWagonRearMedium Duty Brakes, JA8 Brakes; True Balanced Brake Drum
1990BuickLeSabreRearTrue Balanced Brake Drum
1990CadillacCommercial ChassisRearStandard Duty; True Balanced Brake Drum
1990CadillacDeVilleRearStandard Duty; True Balanced Brake Drum
1990CadillacFleetwoodRearStandard Duty; True Balanced Brake Drum
1990ChevroletCelebrityRearTrue Balanced Brake Drum
1990ChevroletLumina APVRearTrue Balanced Brake Drum
1990Oldsmobile98RearTrue Balanced Brake Drum
1990OldsmobileCutlass CieraSedanRearFinned Drums - compatible with specific vehicle models; True Balanced Brake Drum
1990OldsmobileCutlass CruiserRearTrue Balanced Brake Drum
1990OldsmobileDelta 88RearTrue Balanced Brake Drum
1990OldsmobileSilhouetteRearTrue Balanced Brake Drum
1990Pontiac6000WagonRearTrue Balanced Brake Drum
1990PontiacBonnevilleRearTrue Balanced Brake Drum
1990PontiacTrans SportRearTrue Balanced Brake Drum
1989BuickCenturyWagonRearHeavy Duty Brakes, JA2 Brakes; True Balanced Brake Drum
1989BuickCenturyWagonRearMedium Duty Brakes, JA8 Brakes; True Balanced Brake Drum
1989BuickLeSabreFWDRearTrue Balanced Brake Drum
1989CadillacCommercial ChassisRearTrue Balanced Brake Drum
1989CadillacDeVilleRearTrue Balanced Brake Drum
1989CadillacFleetwoodRearTrue Balanced Brake Drum
1989ChevroletCelebrityWagonRearTrue Balanced Brake Drum
1989Oldsmobile98RearTrue Balanced Brake Drum
1989OldsmobileCutlass CruiserRearTrue Balanced Brake Drum
1989OldsmobileDelta 88RearTrue Balanced Brake Drum
1989Pontiac6000WagonRearTrue Balanced Brake Drum
1989PontiacBonnevilleRearTrue Balanced Brake Drum
1988BuickCenturyWagonRearHeavy Duty Brakes, JA2 Brakes; True Balanced Brake Drum
1988BuickCenturyWagonRearMedium Duty Brakes, JA8 Brakes; True Balanced Brake Drum
1988BuickLeSabreFWDRearTrue Balanced Brake Drum
1988CadillacCommercial ChassisRearTrue Balanced Brake Drum
1988CadillacDeVilleRearTrue Balanced Brake Drum
1988CadillacFleetwoodRearTrue Balanced Brake Drum
1988ChevroletCelebrityWagonRearTrue Balanced Brake Drum
1988Oldsmobile98RearTrue Balanced Brake Drum
1988OldsmobileCutlass CruiserRearTrue Balanced Brake Drum
1988OldsmobileDelta 88RearTrue Balanced Brake Drum
1988Pontiac6000WagonRearTrue Balanced Brake Drum
1988PontiacBonnevilleRearTrue Balanced Brake Drum
1987BuickCenturyWagonRearMedium & Heavy Duty Brakes, JA2 JA3 & JA8 Brakes, 115mm Bolt Circle; True Balanced Brake Drum
1987BuickLeSabreFWDRearTrue Balanced Brake Drum
1987CadillacCommercial ChassisRearTrue Balanced Brake Drum
1987CadillacDeVilleRearTrue Balanced Brake Drum
1987CadillacFleetwoodRearTrue Balanced Brake Drum
1987ChevroletCelebrityWagonRearHeavy Duty; JA3 & JA8 Brakes; 115mm Bolt Circle; True Balanced Brake Drum
1987Oldsmobile98RearTrue Balanced Brake Drum
1987OldsmobileCutlass CruiserRearTrue Balanced Brake Drum
1987OldsmobileDelta 88RearTrue Balanced Brake Drum
1987Pontiac6000WagonRearTrue Balanced Brake Drum
1987PontiacBonnevilleRearTrue Balanced Brake Drum
1986BuickCenturyWagonRearMedium & Heavy Duty Brakes, JA2 & JA8 Brakes, 115mm Bolt Circle; True Balanced Brake Drum
1986BuickLeSabreFWDRearTrue Balanced Brake Drum
1986CadillacCommercial ChassisRearTrue Balanced Brake Drum
1986CadillacDeVilleRearTrue Balanced Brake Drum
1986CadillacFleetwoodFWDRearTrue Balanced Brake Drum
1986ChevroletCelebrityWagonRearexcluding Police Package; True Balanced Brake Drum
1986ChevroletCelebrityRearPolice Package; True Balanced Brake Drum
1986Oldsmobile98RearTrue Balanced Brake Drum
1986OldsmobileCutlass CieraWagonRearTrue Balanced Brake Drum
1986OldsmobileDelta 88RearTrue Balanced Brake Drum
1986Pontiac6000WagonRearTrue Balanced Brake Drum
1985BuickCenturyWagonRearMedium & Heavy Duty Brakes, JA2 & JA8 Brakes, 115mm Bolt Circle; True Balanced Brake Drum
1985CadillacDeVilleRearTrue Balanced Brake Drum
1985CadillacFleetwoodFWDRearTrue Balanced Brake Drum
1985ChevroletCelebrityWagonRearexcluding Police Package; True Balanced Brake Drum
1985ChevroletCelebrityRearPolice Package; True Balanced Brake Drum
1985Oldsmobile98RearTrue Balanced Brake Drum
1985OldsmobileCutlass CieraWagonRearTrue Balanced Brake Drum
1985Pontiac6000WagonRearTrue Balanced Brake Drum
1984BuickCenturyWagonRearTrue Balanced Brake Drum
1984ChevroletCelebrityWagonRearTrue Balanced Brake Drum
1984OldsmobileCutlass CieraWagonRearTrue Balanced Brake Drum
1984Pontiac6000WagonRearJA3 Brakes; True Balanced Brake Drum