StrongArm 4650 Back Glass Lift Support

Brand StrongArm 4650
Compressed Length 11.83
Cylinder Outside Diameter 19.0
End 1 Type Ball Socket (Nylon) 10mm
End 2 Type Ball Socket (Nylon) 10mm
Extended Length 17.63
Inner Shaft Diameter 8.0
Internal Rebound Spring No
Materials Rubber
Materials Teflon
Maximum Force 85.0
Outer Cylinder Color Black
Outer Cylinder Material Steel
Stroke Length 5.8
Universal Or Specific Fit Specific
Fits Cadillac, Chevrolet, and GMC · 81 vehicles

Specific fit. Custom engineered for a precise replacement.

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

Smooth operation. Manufactured beyond industry standards for longer lasting performance.

Cross-references AMS Automotive 4650, 510-672 and 819-5642 for the same application. See all 11.

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StrongArm 4650 Back Glass Lift Support

Restore smooth rear window operation with this StrongArm back glass lift support, part number 4650. It is a specific-fit gas strut engineered for rear glass applications on select Chevrolet, GMC, and Cadillac SUVs and utility vehicles from 1992-1999.

Key Features

  • Specific-fit back glass lift support for rear window glass applications
  • Extended length: 17.63 in.; compressed length: 11.83 in.
  • Stroke length: 5.8 in. for controlled opening and closing travel
  • Maximum force: 85.0 for rear glass support
  • Steel outer cylinder with black finish
  • Ball socket (nylon) 10mm ends on both sides
  • Rubber and Teflon materials used in the support construction

Product Details

StrongArm 4650 is a rear glass lift support built for specific vehicle applications, including Chevrolet Blazer, Tahoe, C1500 Suburban, C2500 Suburban, K1500 Suburban, K2500 Suburban, GMC Yukon, and Cadillac Escalade coverage within the listed years. It is engineered as a pressurized cylinder to hold rear window glass in position and provide controlled movement during opening and closing. This part number 4650 is also cross-referenced to AMS Automotive 4650 for the same application.

Compatible With 1992-1999 Chevrolet Blazer, 1992-1999 Chevrolet Tahoe, 1992-1999 Chevrolet C1500 Suburban, 1992-1999 Chevrolet C2500 Suburban, 1992-1999 Chevrolet K1500 Suburban, 1992-1999 Chevrolet K2500 Suburban, 1992-1999 GMC Yukon, 1992-1999 GMC C1500 Suburban, 1992-1999 GMC C2500 Suburban, 1992-1999 GMC K1500 Suburban, 1992-1999 GMC K2500 Suburban, and 1999 Cadillac Escalade. Fitment notes vary by rear defroster and rear window wiper configuration, so verify the exact vehicle setup before ordering.

What It Helps Fix

  • Rear glass that will not stay open
  • Hatch or back window that drops unexpectedly
  • Weak or slow rear glass lift action
  • Uneven or inconsistent rear window support
  • Noise or binding from a worn lift support

Installation Notes

Replace lift supports in pairs to maintain balanced rear glass support and consistent operation. Confirm the vehicle’s rear defroster and rear window wiper configuration, along with the mounting location noted in the fitment data, before installation. Compare the compressed length, extended length, stroke length, and 10mm ball socket ends to the original support for proper match-up.

Quality Assurance

StrongArm lift supports are custom engineered and manufactured beyond industry standards to deliver smoother operation and longer service life in automotive rear glass applications.

This part fits 81 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1999CadillacEscaladeN/A
1999ChevroletC1500 SuburbanN/Awithout Rear Defroster
1999ChevroletC2500 SuburbanN/Awithout Rear Defroster
1999ChevroletK1500 SuburbanN/A
1999ChevroletK2500 SuburbanN/A
1999ChevroletTahoe5.7LV8N/AExc.Rear Window Wiper
1999GMCC1500 SuburbanN/Awithout Rear Defroster
1999GMCC2500 SuburbanN/Awithout Rear Defroster
1999GMCK1500 Suburban5.7LV8N/AExc.Rear Window Wiper
1999GMCK2500 Suburban5.7LV8N/AExc.Rear Window Wiper
1999GMCYukonN/Awithout Rear Defroster
1998ChevroletC1500 SuburbanN/Awithout Rear Defroster
1998ChevroletC2500 SuburbanN/Awithout Rear Defroster
1998ChevroletK1500 SuburbanN/A
1998ChevroletK2500 SuburbanN/A
1998ChevroletTahoe5.7LV8N/AExc.Rear Window Wiper
1998GMCC1500 SuburbanN/Awithout Rear Defroster
1998GMCC2500 SuburbanN/Awithout Rear Defroster
1998GMCK1500 Suburban5.7LV8N/AExc.Rear Window Wiper
1998GMCK2500 Suburban5.7LV8N/AExc.Rear Window Wiper
1998GMCYukonN/Awithout Rear Defroster
1997ChevroletC1500 SuburbanN/Awithout Rear Defroster
1997ChevroletC2500 SuburbanN/Awithout Rear Defroster
1997ChevroletK1500 SuburbanN/A
1997ChevroletK2500 SuburbanN/A
1997ChevroletTahoe5.7LV8N/AExc.Rear Window Wiper
1997GMCC1500 SuburbanN/Awithout Rear Defroster
1997GMCC2500 SuburbanN/Awithout Rear Defroster
1997GMCK1500 Suburban5.7LV8N/AExc.Rear Window Wiper
1997GMCK2500 Suburban5.7LV8N/AExc.Rear Window Wiper
1997GMCYukonN/Awithout Rear Defroster
1996ChevroletC1500 SuburbanN/Awithout Rear Defroster
1996ChevroletC2500 SuburbanN/Awithout Rear Defroster
1996ChevroletK1500 SuburbanN/A
1996ChevroletK2500 SuburbanN/A
1996ChevroletTahoe5.7LV8N/AExc.Rear Window Wiper
1996GMCC1500 SuburbanN/Awithout Rear Defroster
1996GMCC2500 SuburbanN/Awithout Rear Defroster
1996GMCK1500 Suburban5.7LV8N/AExc.Rear Window Wiper
1996GMCK2500 Suburban5.7LV8N/AExc.Rear Window Wiper
1996GMCYukonN/Awithout Rear Defroster
1995ChevroletC1500 SuburbanN/Awithout Rear Defroster
1995ChevroletC2500 SuburbanN/Awithout Rear Defroster
1995ChevroletK1500 SuburbanN/A
1995ChevroletK2500 SuburbanN/A
1995ChevroletTahoe5.7LV8N/AExc.Rear Window Wiper
1995GMCC1500 SuburbanN/Awithout Rear Defroster
1995GMCC2500 SuburbanN/Awithout Rear Defroster
1995GMCK1500 Suburban5.7LV8N/AExc.Rear Window Wiper
1995GMCK2500 Suburban5.7LV8N/AExc.Rear Window Wiper
1995GMCYukonN/Awithout Rear Defroster
1994ChevroletBlazer5.7LV8N/AMounted To Lower End of Gate Exc.Rear Window Defroster (Exc.Rear Window Wiper) (1st Design); Mounted To Lower End of Gate Exc.Rear Window Defroster (Rear Window Wiper) (1st Design); Mounted To Upper End of Gate Exc.Rear Window Defroster (Exc.Rear Window Wiper) (2nd Design)
1994ChevroletC1500 SuburbanN/Awithout Rear Defroster
1994ChevroletC2500 SuburbanN/Awithout Rear Defroster
1994ChevroletK1500 SuburbanN/A
1994ChevroletK2500 SuburbanN/A
1994GMCC1500 SuburbanN/Awithout Rear Defroster
1994GMCC2500 SuburbanN/Awithout Rear Defroster
1994GMCK1500 Suburban5.7LV8N/AMounted To Lower End of Gate Exc.Rear Window Defroster (Exc.Rear Window Wiper) (1st Design); Mounted To Lower End of Gate Exc.Rear Window Defroster (Rear Window Wiper) (1st Design); Mounted To Upper End of Gate Exc.Rear Window Defroster (Exc.Rear Window Wiper) (2nd Design)
1994GMCK2500 Suburban5.7LV8N/AMounted To Lower End of Gate Exc.Rear Window Defroster (Exc.Rear Window Wiper) (1st Design); Mounted To Lower End of Gate Exc.Rear Window Defroster (Rear Window Wiper) (1st Design); Mounted To Upper End of Gate Exc.Rear Window Defroster (Exc.Rear Window Wiper) (2nd Design)
1994GMCYukonN/Awithout Rear Defroster
1993ChevroletBlazer5.7LV8N/AExc.Rear Window Defroster (Exc.Rear Window Wiper); Exc.Rear Window Defroster (Rear Window Wiper)
1993ChevroletC1500 SuburbanN/Awithout Rear Defroster
1993ChevroletC2500 Suburban5.7LV8N/AExc.Rear Window Defroster (Exc.Rear Window Wiper); Exc.Rear Window Defroster (Rear Window Wiper)
1993ChevroletK1500 Suburban5.7LV8N/AExc.Rear Window Defroster (Exc.Rear Window Wiper); Exc.Rear Window Defroster (Rear Window Wiper)
1993ChevroletK2500 Suburban5.7LV8N/AExc.Rear Window Defroster (Exc.Rear Window Wiper); Exc.Rear Window Defroster (Rear Window Wiper)
1993GMCC1500 Suburban5.7LV8N/AExc.Rear Window Defroster (Exc.Rear Window Wiper); Exc.Rear Window Defroster (Rear Window Wiper)
1993GMCC2500 Suburban5.7LV8N/AExc.Rear Window Defroster (Exc.Rear Window Wiper); Exc.Rear Window Defroster (Rear Window Wiper)
1993GMCK1500 Suburban5.7LV8N/AExc.Rear Window Defroster (Exc.Rear Window Wiper); Exc.Rear Window Defroster (Rear Window Wiper)
1993GMCK2500 Suburban5.7LV8N/AExc.Rear Window Defroster (Exc.Rear Window Wiper); Exc.Rear Window Defroster (Rear Window Wiper)
1993GMCYukon5.7LV8N/AExc.Rear Window Defroster (Exc.Rear Window Wiper); Exc.Rear Window Defroster (Rear Window Wiper)
1992ChevroletBlazer5.7LV8N/AExc.Rear Window Defroster (Exc.Rear Window Wiper); Exc.Rear Window Defroster (Rear Window Wiper)
1992ChevroletC1500 SuburbanN/Awithout Rear Defroster
1992ChevroletC2500 Suburban5.7LV8N/AExc.Rear Window Defroster (Exc.Rear Window Wiper); Exc.Rear Window Defroster (Rear Window Wiper)
1992ChevroletK1500 Suburban5.7LV8N/AExc.Rear Window Defroster (Exc.Rear Window Wiper); Exc.Rear Window Defroster (Rear Window Wiper)
1992ChevroletK2500 Suburban5.7LV8N/AExc.Rear Window Defroster (Exc.Rear Window Wiper); Exc.Rear Window Defroster (Rear Window Wiper)
1992GMCC1500 Suburban5.7LV8N/AExc.Rear Window Defroster (Exc.Rear Window Wiper); Exc.Rear Window Defroster (Rear Window Wiper)
1992GMCC2500 Suburban5.7LV8N/AExc.Rear Window Defroster (Exc.Rear Window Wiper); Exc.Rear Window Defroster (Rear Window Wiper)
1992GMCK1500 Suburban5.7LV8N/AExc.Rear Window Defroster (Exc.Rear Window Wiper); Exc.Rear Window Defroster (Rear Window Wiper)
1992GMCK2500 Suburban5.7LV8N/AExc.Rear Window Defroster (Exc.Rear Window Wiper); Exc.Rear Window Defroster (Rear Window Wiper)
1992GMCYukon5.7LV8N/AExc.Rear Window Defroster (Exc.Rear Window Wiper); Exc.Rear Window Defroster (Rear Window Wiper)
Directly replaces or cross-references 11 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AMS Automotive — 4650510-672819-564290135915692315156923161598392115983922D4650D95730SG230041