Relay 645 – Audi / Skoda / Seat / VW / Porsche | OEM 4H0951253A
Relay 645 (OEM 4H0951253A) is used across the VAG group platform in various control functions — fuel pump relay, auxiliary heater compressor, and supplemental systems depending on chassis. A failed relay causes intermittent or total loss of the controlled function. VAG Relay 645 (OEM 4H0951253A) is used in multiple VAG-platform vehicles including Audi, Volkswagen, Skoda, Seat, and Porsche for fuel pump control, auxiliary heater compressor, and other electrical functions.
Fits OEM #4H0951253A.
When to Inspect This Part
- intermittent operation
- the affected system stops responding
- electrical fault or warning
- unusual motor or actuator noise
What's Included
- 1× Relay 645 (OEM 4H0951253A)
OEM Part Numbers and Vehicle Fitment
Additional confirmed fitment
- Audi A1
- Audi A3
- Audi A4
- Audi A4 Allroad
- Audi A5
- Audi A6
- Audi A7
- Audi A8
- Audi Q2
- Audi Q3
- Audi Q5
- Audi Q7
- Audi Q8
- Audi TT
- Audi R8
- Audi S3
- Audi S4
- Audi S5
- Audi S6
- Audi S7
- Audi RS4
- Audi RS5
- Audi RS6
- Audi RS7
- Volkswagen Amarok
- Volkswagen Arteon
- Volkswagen Atlas
- Volkswagen Atlas Cross Sport
- Volkswagen Beetle
- Volkswagen Caddy
- Volkswagen CC
- Volkswagen Crafter
- Volkswagen EOS
- Volkswagen Golf
- Volkswagen Golf Plus
- Volkswagen Jetta
- Volkswagen Passat
- Volkswagen Passat CC
- Volkswagen Polo
- Volkswagen Scirocco
- Volkswagen Sharan
- Volkswagen Tiguan
- Volkswagen Touareg
- Volkswagen Touran
- Volkswagen Transporter T5
- Volkswagen Transporter T6
- Volkswagen Multivan
- Volkswagen EuroVan
- Skoda Citigo
- Skoda Fabia
- Skoda Kamiq
- Skoda Karoq
- Skoda Kodiaq
- Skoda Octavia
- Skoda Rapid
- Skoda Roomster
- Skoda Scala
- Skoda Superb
- Skoda Yeti
- Seat Alhambra
- Seat Altea
- Seat Arona
- Seat Ateca
- Seat Ibiza
- Seat Leon
- Seat Mii
- Seat Toledo
- Porsche Cayenne
- Porsche Macan
- Porsche Panamera
Part Number / PN
4H0951253A
Important Fitment Check
Before ordering, compare the part design, dimensions, connectors, and every available OEM/P/N marking with the part installed on the vehicle. Matching OEM/P/N 4H0951253A is the primary fitment check.
FAQ
How do I confirm fitment for this Relay 645?
Compare the exact OEM/P/N and physical design with the installed part. The primary reference is 4H0951253A. Do not select the part by vehicle model alone.
What symptoms may indicate a problem with this Relay 645?
Confirmed symptoms include intermittent operation, the affected system stops responding, electrical fault or warning, unusual motor or actuator noise. Diagnose the original assembly before ordering so another fault is not mistaken for this part.
What is included with this Relay 645?
The confirmed kit contents are: 1× Relay 645 (OEM 4H0951253A).
Does this listing include the complete surrounding assembly?
No. It includes only the item or repair components identified for this SKU. Inspect related parts separately and replace them only when diagnosis confirms a fault.
What should be checked before installation?
Check the OEM/P/N, dimensions, connectors, orientation, and condition of the mating components. Installation should follow the correct service procedure for the specific vehicle and assembly.
Read All
Orders ship within 1–2 business days.
Standard delivery:
- USA: Some items ship from our US warehouse and arrive within 3 business days.
- USA-EU: 10–21 business days
- Worldwide: 14–30 business days
Shipping cost is shown at checkout.
Can I exchange or return an item?
Yes, you can exchange or return an item within 14 days of purchase. This right is guaranteed to you by the Law on the Protection of Consumer Rights
To use this feature, please make sure that:
- the product was not in use and has no traces of use: scratches, chips, abrasions, etc.
- the goods are fully completed and the integrity of the packaging is not violated
- retained all labels and factory markings