StrongArm 4447 Back Glass Lift Support

Brand StrongArm 4447
Compressed Length 11.75
Cylinder Outside Diameter 19.0
End 1 Type Ball Socket (Nylon, Elec.)
End 2 Type Ball Socket (Nylon, Elec.)
Extended Length 18.86
Inner Shaft Diameter 8.0
Materials Rubber
Materials Teflon
Maximum Force 75.0
Outer Cylinder Color Black
Outer Cylinder Material Steel
Stroke Length 7.11
Universal Or Specific Fit Specific
Fits Buick, Oldsmobile, Pontiac, and Chevrolet · 47 vehicles

Specific fit. Custom engineered for a precise replacement.

Steel cylinder. Built with a black steel body for durable support.

Smooth operation. Pressurized design delivers steadier, longer-lasting lift support.

Cross-references AMS Automotive 4447, 510-528 and 819-5380 for the same application. See all 9.

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Back Glass Lift Support for GM Applications

StrongArm 4447 is a specific-fit back glass lift support for select Buick, Oldsmobile, Pontiac, and Chevrolet vehicles. It uses a pressurized cylinder to hold rear window glass in the open position and restore controlled lift and support for the hatch glass.

Key Features

  • Specific-fit back glass lift support for rear window glass applications
  • Extended length: 18.86 in.; compressed length: 11.75 in.
  • Stroke length: 7.11 in. with 75.0 maximum force
  • Steel outer cylinder with black finish
  • Ball socket ends with nylon electrical-style sockets on both ends
  • Rubber and Teflon materials for smoother operation and wear resistance
  • StrongArm 4447 cross-references AMS Automotive 4447 for the same application

Detailed Description

StrongArm 4447 is engineered as a rear glass lift support for vehicles that use a pressurized strut to raise and hold the back window glass. The specific-fit design helps maintain proper geometry and consistent operation on applications such as the 1984-1996 Buick Century, 1986-1996 Oldsmobile Cutlass Ciera, 1987-1994 Oldsmobile Cutlass Cruiser, 1984-1991 Pontiac 6000, and 1984-1990 Chevrolet Celebrity. If you are searching for a StrongArm 4447 lift support for Buick Century rear glass or a back glass strut for Chevrolet Celebrity hatch glass, this part matches those vehicle-specific applications.

StrongArm builds each lift support beyond standard industry requirements and uses pressurized construction for smooth movement and dependable rear glass support. The steel cylinder, nylon ball socket ends, and internal rubber/Teflon materials are selected to support consistent operation over repeated use. The StrongArm 4447 part number is also referenced in interchange listings for related aftermarket applications.

What It Helps Fix

  • Rear glass that drops instead of staying open
  • Weak or slow hatch glass lift action
  • Uneven or inconsistent back window support
  • Noise or binding during rear glass movement
  • Loss of controlled opening on liftback or hatch glass

Installation Notes and Tips

Verify the compressed length, extended length, stroke, and ball socket end style before installation. This is a specific-fit rear glass support, so confirm vehicle application details for the exact year and model. For proper operation and balanced support, replace lift supports in pairs when servicing the rear glass system.

Quality Assurance

StrongArm manufactures this lift support to meet demanding fit and function requirements for automotive rear glass applications. The 4447 is built as a vehicle-specific replacement for consistent support and controlled motion on the listed GM models.

This part fits 47 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1996BuickCenturyN/A
1996OldsmobileCutlass CieraN/A
1995BuickCenturyN/A
1995OldsmobileCutlass CieraN/A
1994BuickCenturyN/A
1994OldsmobileCutlass CieraN/A
1994OldsmobileCutlass CruiserN/A
1993BuickCenturyN/A
1993OldsmobileCutlass CieraN/A
1993OldsmobileCutlass CruiserN/A
1992BuickCenturyN/A
1992OldsmobileCutlass CieraN/A
1992OldsmobileCutlass CruiserN/A
1991BuickCenturyN/A
1991OldsmobileCutlass CieraN/A
1991OldsmobileCutlass CruiserN/A
1991Pontiac6000N/A
1990BuickCenturyN/A
1990ChevroletCelebrityN/A
1990OldsmobileCutlass CieraN/A
1990OldsmobileCutlass CruiserN/A
1990Pontiac6000N/A
1989BuickCenturyN/A
1989ChevroletCelebrityN/A
1989OldsmobileCutlass CieraN/A
1989OldsmobileCutlass CruiserN/A
1989Pontiac6000N/A
1988BuickCenturyN/A
1988ChevroletCelebrityN/A
1988OldsmobileCutlass CieraN/A
1988OldsmobileCutlass CruiserN/A
1988Pontiac6000N/A
1987BuickCenturyN/A
1987ChevroletCelebrityN/A
1987OldsmobileCutlass CieraN/A
1987OldsmobileCutlass CruiserN/A
1987Pontiac6000N/A
1986BuickCenturyN/A
1986ChevroletCelebrityN/A
1986OldsmobileCutlass CieraN/A
1986Pontiac6000N/A
1985BuickCenturyN/A
1985ChevroletCelebrityN/A
1985Pontiac6000N/A
1984BuickCenturyN/A
1984ChevroletCelebrityN/A
1984Pontiac6000N/A
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AMS Automotive — 4447510-528819-538090123190135720611657D4447D95044SG330009