Stabilus Liftgate Lift Support 4B-521503
Stabilus Liftgate Lift Support 4B-521503

Stabilus Liftgate Lift Support P/N:4B-521503

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$22.99
MPN: 4B-521503
Item Package Code: EA
Part Has Core (Y/N): N
Item Package Quantity: 1
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Stabilus Liftgate Lift Support P/N:4B-521503
Stabilus Liftgate Lift Support P/N:4B-521503
$22.99

Hold your liftgate open smoothly and keep it from dropping with the Stabilus Liftgate Lift Support 4B-521503, a gas-charged strut engineered for controlled motion. It's a direct-fit replacement for the 2009-2015 Mercedes-Benz GLK350, the 2013-2015 GLK250, the 2010-2015 GLK300, and the 2009 GLK280 — see the Buyer's Guide tab for the full list.

  • Dynamic damping speed control: creates a fluid opening motion with no bouncing or jerking during cycling.
  • Lift-O-Mat design: uses a longitudinal velocity-manifold groove pressed into the tube wall, letting gas flow around the piston with extension speed and damping tuned for this application; the groove narrows toward the end of the stroke for a gentle, controlled stop.
  • Corrosion-tested coatings: part coatings are tested to automotive standards for corrosion resistance.
  • Based on the OE design for proper fit, form, and function, and easy to install with no special tools.

Measures 19.94 inches. Sold individually — for best results, replace both supports in pairs so the liftgate rises evenly.

Interchange: 81 568 33 · 204 980 15 64 · 204 980 28 64
8156833 · 2049801564 · 2049802864 · A2049801564 · A2049802864 · 018318 · 418745 · 521503 · 612350 · SG303079 · TSG303079

This part cross-references / interchanges with the following part numbers:

81 568 33, 8156833, 204 980 15 64, 2049801564, 204 980 28 64, 2049802864, A2049801564, A2049802864, 018318, 418745, 521503, 612350, SG303079, TSG303079

Frequently Asked Questions

What does this lift support do?

It's a gas-charged strut that helps raise the liftgate and holds it open, using dynamic damping to control the opening motion so there's no bouncing or jerking during cycling.

Which vehicles does it fit?

It's a direct-fit replacement for the 2009-2015 Mercedes-Benz GLK350, the 2013-2015 GLK250, the 2010-2015 GLK300, and the 2009 GLK280. Check the Buyer's Guide tab to confirm your vehicle.

Should I replace both supports at once?

For best results, replace them in pairs. This listing is for one support, so order two if you want to renew both sides for even, balanced lifting.

How long is this lift support?

It measures 19.94 inches and is based on the OE design to match the original's fit, form, and function on the listed applications.

Is it hard to install?

No. It's easy to install and requires no special tools. Consult the vehicle service information for the correct procedure and any fasteners.

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