I. Core Adapted Models & Years

1. Original Factory Scope

Volkswagen

1. Beetle: 2006–2010 2.5L (base/S/SE trims)
2. Jetta: 2005–2006 2.5L (sedan/station wagon, incl. Value Edition)
3. Golf: 2010–2014 2.5L (North American Rabbit/SportWagen)
4. Passat: 2012–2014 2.5L (listed in some 3rd-party compatibility)

5. Installation Notes

6. Replace drive shaft oil seal (Part No. 07K129603B) simultaneously (prevent oil into vacuum line)
7. Check gear meshing clearance (0.10–0.25mm standard); replace drive module if too large
8.  

9. 2. Compatibility & Alternatives

   Part No. Interchange

10. Same Platform: 07K145100C (Audi)/07K145100H (SEAT) = 07K145100B (direct replacement)
11. Improved Model: 07K145100E (post-2011, wear-resistant coating for high-mileage engines)

12. II. Technical Features & Installation Keys

    1. Mechanical Design

13. Type: Vane-type vacuum pump (integrated at rear of timing chain cover, camshaft-driven)
14. Vacuum Output: 0.5–0.8 bar (for hydraulic power steering, e.g., VW Servotronic)
15. Sealing: Double-lip rubber oil seal (Part No. 07K129603B; check during replacement to prevent oil leak)

16. SEAT

17. Leon: 2006–2012 2.5L (shared part no. with VW, e.g., 07K145100C)

18. 2. Cross-Brand Expansion

    Škoda

19. Octavia: 2007–2010 2.5L (e.g., 1Z engine; verify installation/vacuum port)
20. Superb: 2010–2015 2.5L (some European versions)

21. Audi

22. TT (8J Platform): 2006–2014 2.5L (confirm with engine code EA855)