Relay 645 Failure on Your VAG? Replace It for $11.
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. This is a direct replacement relay.
✓ What You Get: Relay 645 for Audi, Skoda, Seat, VW, and Porsche — OEM P/N 4H0951253A, plug-and-play replacement.
What's Included
- 1× Relay 645 (OEM 4H0951253A)
Why Replace?
- Restores Function: Faulty relay causes loss of the controlled circuit — fuel pump, auxiliary heater, or other systems depending on application.
- Direct Plug-In: OEM-spec connector and rating — no wiring modifications needed.
- Saves vs Dealer: Dealer replacement relay cost significantly higher for the same part.
- 2-Minute Swap: Pull failed relay, insert new one — no tools required.
Vehicle Compatibility
| Make | Application | OEM P/N |
|---|---|---|
| Audi | Various — verify relay position | 4H0951253A |
| Volkswagen | Various — verify relay position | 4H0951253A |
| Skoda / Seat / Porsche | Various — verify relay position | 4H0951253A |
About This Relay
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. Always confirm the relay position number (645) matches your fuse/relay box diagram before ordering.
⚠ Verify Before Ordering: Confirm relay position number 645 and P/N 4H0951253A in your vehicle's relay box diagram before purchasing.
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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