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Door Handle Lock, With Stipulated Lock Number. Porsche 993 1994-98 ❭ 99353793
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
Restore door-lock functionality and security on your Porsche 911 (993 series). Supplied keyed to the correct lock number, this cylinder ensures proper key engagement, correct fitment behind the door handle and seamless operation with your existing locked system. Ideal for replacing a worn, damaged or mismatched door lock.
Fits:
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
Diagram Ref No 2
What This Product Does:
- This lock cylinder assembly sits behind the external door handle and is the mechanism which allows the door to be locked or unlocked via key from the outside.
- The keyed lock cylinder ensures security (locks the door), and the “coded” aspect ensures compatibility with the vehicle key system (which can include central locking or key-matched sets).
- Correct fitment ensures the door handle and lock engage properly, the key insertion is correct, the internal mechanism aligns and the lock both secures the door and allows smooth access.
Symptoms Of Wear Or When You Should Replace It:
- Key won’t turn, sticks or is difficult to insert—in the door handle lock area. This suggests the cylinder may be worn, corroded or jammed.
- Door won’t lock or unlock via the key from outside, or the key simply spins freely indicating internal cam/shear failure.
- Mismatched key numbers: if the door lock is not operating with your existing key, or you have two different keys for left/right doors and want to unify them.
- Corrosion or damage: the lock barrel may show signs of rust, binding, broken mounting tabs or wear of the key slot—common after many years of service.
- After bodywork or door replacement: If the door or handle assembly has been replaced or re-painted, the lock cylinder might be damaged or mismatched—installing a correct coded cylinder ensures proper fit.
- When restoring the vehicle or upgrading security: a key-matched cylinder ensures your doors work with the master key and reduces the number of keys.
Why Replacement Matters:
- Security: A worn or malfunctioning lock cylinder compromises door security—important for a performance car like the 993.
- Convenience: Ensures your existing key operates both sides (or the correct side) without needing multiple keys, re-keying or workaround.
- Fit & finish: OEM cylinders ensure correct handle fitment, proper alignment, correct key engagement, and preserve vehicle authenticity.
- Reliability: Avoids the situation where a worn cylinder fails entirely — meaning you cannot lock/unlock the door with the key from outside, which could be inconvenient especially if central locking is involved.
- Resale & value: For a classic like the 993, correct functioning door locks with key-matched cylinders contribute to overall restoration quality and value.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99353793
The product you are viewing cross references to these numbers

Fits in Various models:
996, 997, 991, 992, 986/987/981 Boxster, 987/981 Cayman, Cayenne, Macan, Panamera, Taycan
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99961110800
The product you are viewing cross references to these numbers
Fits In Various Models:
996, 997, 991, 992, 986/987/981 Boxster, 987/981 Cayman, Cayenne, Macan, Panamera, Taycan
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99961110800
The product you are viewing cross references to these numbers
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