Timken 4674N Automatic Transmission Output Shaft Seal - Right

Brand Timken 4674N
Position Right
Fits Buick, Cadillac, and Oldsmobile · 52 vehicles

Precision sealing design. Helps prevent lubricant escape and keep contaminants out.

Reinforced outer case. Helps resist installation damage and adds durability.

Contamination exclusion system. Helps block debris that can lead to leakage.

Cross-references Bosch 16392 and National 4674N for the same application. See all 2.

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Automatic Transmission Output Shaft Seal for GM Applications

Timken 4674N is an automatic transmission output shaft seal built to retain lubricant and block contaminants at the transmission output shaft. It is a direct-fit service part for select Buick, Cadillac, and Oldsmobile applications, including Cadillac DeVille, Seville, Eldorado, Allante, and Oldsmobile Aurora right-side fitments.

  • Precision sealing design helps control transmission fluid loss
  • Reinforced outer case resists installation damage and supports durability
  • Ribbed rubber inner diameter seals minor spindle imperfections and promotes seating
  • Internal contamination exclusion system helps keep debris out of the seal area
  • Vent holes allow lubricant flow around the seal lip to reduce heat build-up
  • Cross-references Bosch 16392 and National 4674N for the same application

Fitment Details

  • Fits 2006-2011 Buick Lucerne, right
  • Fits 2006-2011 Cadillac DTS, right
  • Fits 1994-2005 Cadillac DeVille, right
  • Fits 1993-2004 Cadillac Seville, right
  • Fits 1993-2002 Cadillac Eldorado, right
  • Fits 1995-1999 Oldsmobile Aurora, right
  • Fits 1993 Cadillac Allante, right

What This Seal Helps Address

  • Transmission fluid seepage at the output shaft
  • Contamination entering the seal area
  • Heat-related seal wear from poor lubricant circulation
  • Leakage caused by minor shaft surface imperfections
  • Seal damage during installation on service replacement jobs

Installation Notes and Tips

Inspect the shaft surface, seal bore, and surrounding components before installation. Clean the sealing area thoroughly and seat the seal evenly to avoid distortion. Verify right-side application and confirm the vehicle year and model before service on Buick Lucerne, Cadillac DTS, Cadillac DeVille, Cadillac Seville, Cadillac Eldorado, Oldsmobile Aurora, or Cadillac Allante applications.

Quality Assurance

Timken oil and grease seals use precision sealing designs and reinforced construction to support reliable service in transmission applications. The part number is 4674N.

This part fits 52 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionPositionNotes
2011BuickLucerneAutomaticRight
2011CadillacDTSAutomaticRight
2010BuickLucerneAutomaticRight
2010CadillacDTSAutomaticRight
2009BuickLucerneAutomaticRight
2009CadillacDTSAutomaticRight
2008BuickLucerneAutomaticRight
2008CadillacDTSAutomaticRight
2007BuickLucerneAutomaticRight
2007CadillacDTSAutomaticRight
2006BuickLucerneAutomaticRight
2006CadillacDTSAutomaticRight
2005CadillacDeVilleAutomaticRight
2004CadillacDeVilleAutomaticRight
2004CadillacSevilleAutomaticRight
2003CadillacDeVilleAutomaticRight
2003CadillacSevilleAutomaticRight
2002CadillacDeVilleAutomaticRight
2002CadillacEldoradoAutomaticRight
2002CadillacSevilleAutomaticRight
2001CadillacDeVilleAutomaticRight
2001CadillacEldoradoAutomaticRight
2001CadillacSevilleAutomaticRight
2000CadillacDeVilleAutomaticRight
2000CadillacEldoradoAutomaticRight
2000CadillacSevilleAutomaticRight
1999CadillacDeVilleAutomaticRight
1999CadillacEldoradoAutomaticRight
1999CadillacSevilleAutomaticRight
1999OldsmobileAuroraAutomaticRight
1998CadillacDeVilleAutomaticRight
1998CadillacEldoradoAutomaticRight
1998CadillacSevilleAutomaticRight
1998OldsmobileAuroraAutomaticRight
1997CadillacDeVilleAutomaticRight
1997CadillacEldoradoAutomaticRight
1997CadillacSevilleAutomaticRight
1997OldsmobileAuroraAutomaticRight
1996CadillacDeVilleAutomaticRight
1996CadillacEldoradoAutomaticRight
1996CadillacSevilleAutomaticRight
1996OldsmobileAuroraAutomaticRight
1995CadillacDeVilleAutomaticRight
1995CadillacEldoradoAutomaticRight
1995CadillacSevilleAutomaticRight
1995OldsmobileAuroraAutomaticRight
1994CadillacDeVilleAutomaticRight
1994CadillacEldoradoAutomaticRight
1994CadillacSevilleAutomaticRight
1993CadillacAllanteAutomaticRight
1993CadillacEldoradoAutomaticRight
1993CadillacSevilleAutomaticRight
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Bosch — 16392National — 4674N