Vacuum Pump Repair Kit – Opel / Saab / Buick 2.0T Z20NET | OEM 12632504 1206025
A failing vacuum pump on the Opel, Saab, and Buick 2.0T Z20NET (A20NHT/A20NFT/LDK/LHU) engine causes oil seepage and reduced brake servo vacuum. This kit replaces all seals and gaskets — restoring correct pump operation. Opel/Vauxhall Astra, Insignia, Zafira, Cascada with 2.0T Z20NET/A20NHT/A20NFT; Saab 9-3/9-5 2.0T; Buick/Cadillac with LDK/LHU 2.0T
Fits OEM #12632504.
When to Inspect This Part
- reduced vacuum-system performance
- loss of vacuum assistance
- oil leakage at the pump
- related system operates intermittently
What's Included
- Saab 55561099 - SAAB 9-3
- General Motors 12632504, 12787696 - SIGNUM Z20NET, VECTRA-C Z20NET
- Opel 1206025, 545681 - ASTRA-J, INSIGNIA-A
- Pierburg 7.28237.05.0, 7.03097.03.0
Important Limitations
Inspect the pump housing, sealing surfaces, and the rest of the vacuum circuit. A cracked or mechanically damaged pump may require complete replacement.
OEM Part Numbers and Vehicle Fitment
Additional confirmed fitment
- Saab 55561099 - SAAB 9-3 (9440) (SBD)
- Opel 1206025, 545681 - ASTRA-J (P10), INSIGNIA-A (G09)
- ASTRA-J (P10) A20NFT c 2010
- INSIGNIA-A (G09) A20NFT c 2009
- INSIGNIA-A (G09) A20NHT c 2009
- SIGNUM (Z03) Z20NET 2003 - 2008
- VECTRA-C (Z02) Z20NET 2002 - 2008
- SAAB 9-3 2003-2011
- SAAB 9-3X 2010-2011
- SAAB 9-5 2010-2011
- BUICK Regal 2011 - 2014
- CADILLAC BLS
Part Number / PN
12632504, 1206025, A20NHT, A20NFT, 7.03097.03.0, 55561099, 12787696, 545681, 28237, 55561100, 18746001001, 559009, 89.234, 986972, 8091144, 01206025, 012630140, 012632504, 0545681, 12630140, 371130130, WG1014540, WG1238008, WG1777686
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 12632504 is the primary fitment check.
FAQ
How do I confirm fitment for this Vacuum Pump Repair Kit?
Compare the exact OEM/P/N and physical design with the installed part. The primary reference is 12632504. Do not select the part by vehicle model alone.
What symptoms may indicate a problem with this Vacuum Pump Repair Kit?
Confirmed symptoms include reduced vacuum-system performance, loss of vacuum assistance, oil leakage at the pump, related system operates intermittently. Diagnose the original assembly before ordering so another fault is not mistaken for this part.
What is included with this Vacuum Pump Repair Kit?
The confirmed kit contents are: Saab 55561099 - SAAB 9-3, General Motors 12632504, 12787696 - SIGNUM Z20NET, VECTRA-C Z20NET, Opel 1206025, 545681 - ASTRA-J, INSIGNIA-A, Pierburg 7.28237.05.0, 7.03097.03.0.
Does this listing include the complete surrounding assembly?
Inspect the pump housing, sealing surfaces, and the rest of the vacuum circuit. A cracked or mechanically damaged pump may require complete replacement.
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