HomeBody > Trunk Lid and CompartmentStrongArm 4788 Deck Lid Lift Support
Part #: 4788

StrongArm 4788 Deck Lid Lift Support

3 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: BMW, 325i
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StrongArm Gas Strut for BMW 325i

The StrongArm gas strut part number 4788 is designed specifically for the BMW 325i, providing reliable support and smooth operation. Engineered with durable materials and precise dimensions, this gas strut ensures consistent performance for your vehicle's applications.

  • Compressed length: 12.29 inches
  • Extended length: 19.66 inches
  • Stroke length: 7.37 inches
  • Cylinder outside diameter: 19.0 mm
  • Inner shaft diameter: 8.0 mm
  • Outer cylinder made of black steel
  • End fittings: Blade type with 0.340 inch diameter holes on both ends
  • Materials include rubber and Teflon for smooth operation
  • Maximum force rating of 67.0 lbs

Product Details and Specifications

This StrongArm gas strut (part number 4788) is a specific fit for the BMW 325i, engineered to meet the exact dimensions and force requirements of this model. The steel outer cylinder is coated in black for corrosion resistance, while the internal components utilize rubber and Teflon materials to reduce friction and wear. The blade-type ends with 0.340 inch diameter holes allow for secure mounting and compatibility with the original equipment setup. With a stroke length of 7.37 inches and a maximum force of 67 pounds, this gas strut provides reliable support for applications such as trunk lids, hoods, or hatchbacks on the BMW 325i.

Common Uses and Problem Resolution

  • Supports trunk or hatch opening and closing smoothly
  • Replaces worn or leaking gas struts causing sagging or difficulty lifting
  • Restores proper force to prevent sudden closure or slamming
  • Eliminates rattling or loose fitment in mounting points
  • Improves safety by maintaining controlled motion of vehicle panels

Installation Notes and Tips

Installation of the StrongArm 4788 gas strut requires matching the blade end fittings to the existing mounting points on the BMW 325i. Ensure the compressed and extended lengths correspond to the original strut to maintain proper fit and function. Use appropriate tools to remove and install the blade ends carefully to avoid damage. It is recommended to replace gas struts in pairs to maintain balanced support and consistent operation.

Quality Assurance and Warranty

StrongArm gas struts are manufactured to meet strict quality standards, using durable steel and friction-reducing materials like Teflon and rubber. This part number 4788 is tested for consistent force output and dimensional accuracy to ensure compatibility with the BMW 325i. Warranty information is available from the manufacturer and covers defects in materials and workmanship under normal use conditions.

BrandStrongArm
Part Number4788
Compressed Length12.29
Cylinder Outside Diameter19.0
End 1 TypeBlade (.340 dia. Hole)
End 2 TypeBlade (.340 dia. Hole)
Extended Length19.66
Inner Shaft Diameter8.0
MaterialsRubber
MaterialsTeflon
Maximum Force67.0
Outer Cylinder ColorBlack
Outer Cylinder MaterialSteel
Stroke Length7.37
Universal Or Specific FitSpecific

This part fits 3 vehicles. Search below:

YearMakeModelBody Type# DoorsPositionNotes
1989BMW325iConvertible2 DoorN/AThru 04/1989
1988BMW325iConvertible2 DoorN/AThru 04/1989
1987BMW325iConvertible2 DoorN/AThru 04/1989

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

4788510-134819-5545C95518D4788SG302013

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.