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Details
| Specification | Value |
|---|---|
| Brand | DT Spare Parts |
| MPN | 4.63394 |
| Fitting Position | Left Front |
| Net Weight [g] | 376 g |
OE numbers (2)
Search by this OE number to find compatible parts
- BHARATBENZ / MERCEDES-BENZ—973 720 0735
- MERCEDES-BENZ—A973 720 0735
Where this part fits
Original-fit position for OE A9737200735.
About this product
The DT Spare Parts Door Lock (4.63394) is a professional-grade replacement component engineered for long service life and reliable operation across all conditions your vehicle encounters. The part is built to the following specification: Fitting Position: LV, Guarantee: Aluminium, Net Weight [g]: 376 g. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. This part supersedes original equipment references: 013.710-00A, 01.53.117, 02.01.72.228592, 030 3556 and 8 more. Matching these numbers confirms a like-for-like replacement with no loss of function. DT Spare Parts is a recognised supplier of automotive replacement components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched with tracked delivery and a 14-day money-back guarantee with hassle-free returns.
Door Lock buying guide
Why replace this part?
Door lock actuators use an electric motor and linkage to engage or disengage the door latch on central locking command. A failed actuator prevents remote locking from functioning on that door, creating a security vulnerability. The electric motor windings and plastic gear teeth inside the actuator are the most common failure points.
Signs you need a replacement
- One door not responding to the central locking remote
- clicking or grinding sound inside the door when locking
- door locking or unlocking intermittently
- door that must be locked manually while others lock automatically
- visible sluggish movement of the lock mechanism
When to replace
No set interval — actuators typically last 10–15 years or 100,000 cycles. Replace on failure. Access usually requires removing the door trim panel.
Suitable cars
Fitment not confirmed for this part
We could not confirm which vehicles this part fits — check before buying.Equivalent products (11)
Door Lock DT Spare Parts 4.63394 — compatible car models
| Manufacturer article number (MPN) | 4.63394 |
|---|---|
| OE part numbers | 973 720 0735, A973 720 0735 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
DT Spare Parts 4.63394 . Fitting Position: LV. Guarantee: 2. Net Weight [g]: 376 g
- 1x Door Lock
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Tracked standard shipping.
- Standard delivery: 4–8 business days
- Order before 5pm — ships the next working day
- Free returns within 14 days
- All parts backed by manufacturer warranty
Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.
Frequently Asked Questions
Is this Door Lock compatible with my car?
Use the vehicle selector at the top of the page to check compatibility. Enter your car's make, model, and engine — we'll confirm whether this Door Lock fits. All fitment data is verified through TecDoc.
What specifications does this DT Spare Parts Door Lock have?
This DT Spare Parts Door Lock has the following specifications: Fitting Position: LV; Guarantee: 2; Net Weight [g]: 376 g. Check the full specifications table above for complete details.
What OE part numbers does this Door Lock replace?
This Door Lock replaces OE part numbers: 973 720 0735, A973 720 0735. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Door Lock cost?
This DT Spare Parts Door Lock is available for £50.99. Door Lock prices vary depending on brand, specifications, and vehicle compatibility. DT Spare Parts parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Door Lock?
Signs include the door not locking or unlocking with the key fob, difficulty turning the key in the barrel, the latch not engaging properly when the door is closed, or the door opening without a handle pull due to a worn latch.
What tools do I need to replace a Door Lock?
Tools required vary by vehicle make and model. Generally, a basic socket set, screwdrivers, and vehicle-specific tools may be needed. We recommend consulting a workshop manual for your specific vehicle, or having the Door Lock fitted by a professional mechanic.
Can I use this part as a replacement for OE 973 720 0735?
Yes, this DT Spare Parts Door Lock is a direct replacement for OE part number 973 720 0735. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
