Premium Guard PT1185 Transmission Filter Kit

Brand Premium Guard PT1185
Bolt Hole Quantity 19
Gasket Material Nbr
Fits Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac · 143 vehicles

NBR gasket material. Provides a dependable sealing surface for transmission service.

19-bolt-hole pattern. Matches the specified pan configuration for the listed applications.

Service replacement kit. Built for transmission filter maintenance on compatible vehicles.

Cross-references ATP B-132, Baldwin 18139 and Gates T165 for the same application. See all 40.

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Transmission Filter Kit Overview

Premium Guard PT1185 is a transmission filter kit for a wide range of GM vehicles from the 1980s and early 1990s. It is built for service work on compatible automatic transmissions and uses an NBR gasket material for sealing performance.

Key Features

  • Transmission filter kit for service replacement applications
  • NBR gasket material for a reliable seal
  • 19 bolt holes for the specified transmission pan pattern
  • Fits a broad range of Buick, Chevrolet, Cadillac, Oldsmobile, and Pontiac applications
  • Premium Guard PT1185 cross-references with common aftermarket part numbers for the same application

Detailed Description

Premium Guard PT1185 is a transmission filter kit intended for service on compatible GM automatic transmissions. Fitment includes 1984-1993 Buick Century, 1989-1992 Buick Regal, 1986-1991 Buick LeSabre, 1984-1990 Chevrolet Celebrity, 1990-1993 Chevrolet Lumina, 1985-1990 Cadillac DeVille, 1986-1990 Cadillac Eldorado, 1988-1992 Pontiac Grand Prix, and additional Buick, Cadillac, Oldsmobile, and Pontiac models listed in the fitment table. The NBR gasket material supports a secure seal during transmission service, and the 19-bolt-hole pattern matches the specified pan configuration. Premium Guard PT1185 also cross-references with ATP B-132 and Gates T165 for the same application.

Common Uses

  • Replacing a clogged or worn transmission filter
  • Addressing fluid seepage at the pan gasket interface
  • Restoring proper service maintenance on older automatic transmissions
  • Supporting routine transmission fluid and filter service

Installation Notes

Verify the transmission pan bolt-hole count and vehicle application before installation. Clean the pan and sealing surfaces thoroughly, and inspect the pan for damage or distortion before reassembly. Use the fitment table to confirm the exact Buick, Chevrolet, Cadillac, Oldsmobile, or Pontiac application for PT1185.

Quality Assurance

Premium Guard PT1185 is identified by part number PT1185 and is supported by broad interchange coverage for the listed applications.

This part fits 143 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
1993BuickCentury3.3LV6—
1993ChevroletLumina3.1LV6—
1993OldsmobileCutlass Ciera3.3LV6—
1993OldsmobileCutlass Cruiser3.3LV6—
1993OldsmobileCutlass Supreme3.1LV6—
1992BuickCentury3.3LV6—
1992BuickRegal3.8LV6—
1992CadillacAllante4.5LV8—
1992ChevroletLumina3.1LV6—
1992OldsmobileCutlass Ciera3.3LV6—
1992OldsmobileCutlass Cruiser3.3LV6—
1992OldsmobileCutlass Supreme3.1LV6—
1992PontiacGrand Prix3.1LV6—
1991BuickCentury3.3LV6—
1991BuickLeSabre3.8LV6—
1991BuickRegal3.8LV6—
1991CadillacAllante4.5LV8—
1991ChevroletLumina3.1LV6—
1991OldsmobileCutlass Ciera3.3LV6—
1991OldsmobileCutlass Cruiser3.3LV6—
1991OldsmobileCutlass Supreme3.1LV6—
1991OldsmobileDelta 883.8LV6—
1991Pontiac60003.1LV6—
1991PontiacBonneville3.8LV6—
1991PontiacGrand Prix3.1LV6—
1990BuickCentury3.3LV6—
1990BuickElectra3.8LV6—
1990BuickLeSabre3.8LV6—
1990BuickReatta3.8LV6—
1990BuickRegal3.8LV6—
1990BuickRiviera3.8LV6—
1990CadillacAllante4.5LV8—
1990CadillacCommercial Chassis4.5LV8—
1990CadillacDeVille4.5LV8—
1990CadillacEldorado4.5LV8—
1990CadillacFleetwood4.5LV8—
1990CadillacSeville4.5LV8—
1990ChevroletCelebrity3.1LV6—
1990ChevroletLumina3.1LV6—
1990Oldsmobile983.8LV6—
1990OldsmobileCutlass3.1LV6—
1990OldsmobileCutlass Calais2.5LL4—
1990OldsmobileCutlass Ciera2.5LL4—
1990OldsmobileCutlass Cruiser2.5LL4—
1990OldsmobileCutlass Supreme3.1LV6—
1990OldsmobileDelta 883.8LV6—
1990OldsmobileToronado3.8LV6—
1990Pontiac60003.1LV6—
1990PontiacBonneville3.8LV6—
1990PontiacGrand Prix3.1LV6—
1989BuickCentury3.3LV6—
1989BuickElectra3.8LV6—
1989BuickLeSabre3.8LV6—
1989BuickReatta3.8LV6—
1989BuickRegal3.1LV6—
1989BuickRiviera3.8LV6—
1989CadillacAllante4.5LV8—
1989CadillacCommercial Chassis4.5LV8—
1989CadillacDeVille4.5LV8—
1989CadillacEldorado4.5LV8—
1989CadillacFleetwood4.5LV8—
1989CadillacSeville4.5LV8—
1989ChevroletCelebrity2.8LV6—
1989Oldsmobile983.8LV6—
1989OldsmobileCutlass3.1LV6—
1989OldsmobileCutlass Ciera3.3LV6—
1989OldsmobileCutlass Cruiser3.3LV6—
1989OldsmobileCutlass Supreme3.1LV6—
1989OldsmobileDelta 883.8LV6—
1989OldsmobileToronado3.8LV6—
1989Pontiac60002.8LV6—
1989PontiacBonneville3.8LV6—
1989PontiacGrand Prix3.1LV6—
1988BuickCentury3.8LV6—
1988BuickElectra3.8LV6—
1988BuickLeSabre3.8LV6—
1988BuickReatta3.8LV6—
1988BuickRegal2.8LV6Late models
1988BuickRiviera3.8LV6—
1988CadillacAllante4.1LV8—
1988CadillacCommercial Chassis4.5LV8—
1988CadillacDeVille4.5LV8—
1988CadillacEldorado4.5LV8—
1988CadillacFleetwood4.5LV8—
1988CadillacSeville4.5LV8—
1988ChevroletCelebrity2.8LV6—
1988Oldsmobile983.8LV6—
1988OldsmobileCutlass2.8LV6—
1988OldsmobileCutlass Ciera3.8LV6—
1988OldsmobileCutlass Cruiser3.8LV6—
1988OldsmobileCutlass Supreme2.8LV6—
1988OldsmobileDelta 883.8LV6—
1988OldsmobileToronado3.8LV6—
1988Pontiac60003.1LV6—
1988PontiacBonneville3.8LV6—
1988PontiacGrand Prix2.8LV6—
1987BuickCentury3.8LV6—
1987BuickElectra3.8LV6—
1987BuickLeSabre3.8LV6—
1987BuickRiviera3.8LV6—
1987CadillacAllante4.1LV8—
1987CadillacCommercial Chassis4.1LV8—
1987CadillacDeVille4.1LV8—
1987CadillacEldorado4.1LV8—
1987CadillacFleetwood4.1LV8—
1987CadillacSeville4.1LV8—
1987ChevroletCelebrity2.8LV6—
1987Oldsmobile983.8LV6—
1987OldsmobileCutlass2.8LV6—
1987OldsmobileCutlass Ciera3.8LV6—
1987OldsmobileCutlass Cruiser3.8LV6—
1987OldsmobileDelta 883.8LV6—
1987OldsmobileToronado3.8LV6—
1987Pontiac60002.8LV6—
1987PontiacBonneville3.8LV6—
1986BuickCentury3.8LV6—
1986BuickElectra3.8LV6—
1986BuickLeSabre3.8LV6—
1986BuickRiviera3.8LV6—
1986CadillacCommercial Chassis4.1LV8—
1986CadillacDeVille4.1LV8—
1986CadillacEldorado4.1LV8—
1986CadillacFleetwood4.1LV8—
1986CadillacSeville4.1LV8—
1986ChevroletCelebrity2.8LV6—
1986Oldsmobile983.8LV6—
1986OldsmobileCutlass Ciera3.8LV6—
1986OldsmobileDelta 883.8LV6—
1986OldsmobileToronado3.8LV6—
1986Pontiac60002.8LV6—
1985BuickCentury3.8LV6—
1985BuickElectra3.8LV6—
1985CadillacCommercial Chassis4.3LV6—
1985CadillacDeVille4.3LV6—
1985CadillacFleetwood4.3LV6—
1985ChevroletCelebrity2.8LV6—
1985Oldsmobile983.8LV6—
1985OldsmobileCutlass Ciera3.8LV6—
1985Pontiac60002.8LV6—
1984BuickCentury3.8LV6—
1984ChevroletCelebrity4.3LV6—
1984OldsmobileCutlass Ciera3.8LV6—
1984Pontiac60002.8LV6—
Directly replaces or cross-references 40 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ATP — B-132Baldwin — 18139Gates — T165NGK — 58942Power Train — F-201Premium Guard — PT1185Pronto — PTK11851-85366-5894217-4700-2165616-589421072194224237518636345AG-236BB-72 / B-132CTF72F-165AF141FK66710FT-98FT1072HTF-21LT165AP1185ST165AT72T1185T8942TF72TF232TF236TF249 / TF1072TF942TF15030TF33266TK1185XT1185