Front Left & Right Electric Window Regulator Mechanism for Porsche 911 & Boxster

Check part compatibility by using our vehicle filter options below. If you find your car, this part is compatible.

Restore smooth and dependable power window operation in your Porsche 911 and Boxster with this Front Left & Right Electric Window Regulator Mechanism — a direct replacement for worn or failed window lift assemblies. This high-quality regulator mechanism transfers motion from your car’s electric motor to the window glass, ensuring consistent up and down movement without binding, slippage or noise. Designed to match OE fitment and part numbers used across many 911 (996) and Boxster (986) models, this regulator is ideal for repairing cable-type window systems where the original assembly has frayed, snapped or suffered mechanical wear.

OEM Number: 98654201603, 99654207604, 243CSD11813, 98654201503, 99654207504,

Operating Mode : Electric

All Porsche 911/ Boxster - Only Fits 2/3 Doors Window Regulator Complete WITHOUT Motor Window Regulator Ready to Fit

Quantity : 2

Our SKU: TPOR98654201503-1603PAIR_94

All our Front Right Left Electric Window Regulator Mechanism For Porsche 911/Boxter are OEM quality and reliable after market car parts. This Front Right Left Electric Window Regulator Mechanism For Porsche 911/Boxter is specifically compatible with Porsche: 911, Boxster, .

Please use our make-model-year tool to check this part's compatibility with your vehicle. However, please note that our tool is for reference only and we recommend that you check the part number on your old unit prior to purchasing.

If you are still not sure about the compatibility of this part to your vehicle, please supply us with the VIN number or Reg number in our live chat or contact form! You can also find details on our purchasing & shipping guide here.

Key Benefits

• OE-Style Fit & Function: Built to match original regulator specifications for many Porsche 911 and Boxster vehicles, ensuring reliable performance and proper window tracking.

• Dual Left & Right Compatibility: One product solution covers both driver and passenger sides, simplifying part sourcing and installation.

• Smooth, Precise Window Motion: Helps eliminate common symptoms of regulator wear like jerky operation, slow travel or window glass tilting in the frame.

• Direct Replacement: Installs into your existing door structure with no modifications needed when matched to your vehicle’s part numbers.

• Improves Comfort & Safety: Restores correct window sealing and reduces wind noise, protecting the cabin from water ingress and preserving comfort.

Frequently Asked Questions (FAQs)

Q1: What is a window regulator mechanism?
A: It’s the internal assembly inside your door that guides and lifts the window glass using cables and pulleys when the electric switch is pressed. It does not include the motor — the motor bolts onto the mechanism and powers it.

Q2: Why does my window regulator need replacing?
A: Common failure signs include grinding noises, slow movement, windows stopping mid-travel, windows dropping or sitting crooked — often caused by frayed cables or worn pulleys.

Q3: Will this fit my Porsche?
A: Yes — this regulator is compatible with a range of Porsche 911 (996 series) and Boxster (986) models that share OE part references such as 98654201603, 99654207604 and related numbers. Always check your vehicle’s part number to confirm.

Q4: Is the electric motor included?
A: No — this product is the regulator mechanism only. You can reuse your existing motor, or replace the motor separately if needed.

Q5: Can I install it myself?
A: Replacement requires removing the door trim and handling the window glass carefully. If you’re unfamiliar with door panel work, professional installation is recommended for safety and correct alignment.