GRAF PA637 Water Pump, Engine Cooling

Compatible with OPEL VECTRA A Hečbeka virsbūve (J89) , OPEL VECTRA A (J89) , OPEL CALIBRA A (C89) Show more info
Ensures optimal engine temperature by circulating coolant. Essential for preventing overheating and maintaining engine performance.
Old codes
PA637X
30.29 EUR
inc. VAT 21%
In stock 20
Delivery 1 day (14.05.2026)
PN PA637
Make GRAF
EAN 8032747264690

The GRAF PA637 water pump is a critical component for your vehicle's engine cooling system. It is designed to maintain the correct operating temperature by continuously circulating coolant through the engine block and radiator. Proper coolant circulation is vital for preventing engine damage caused by overheating. A malfunctioning water pump can lead to severe consequences, including warped cylinder heads and blown head gaskets. This GRAF water pump is engineered for reliable performance and durability. Regular inspection and maintenance of your water pump can help identify potential issues before they lead to costly repairs. If you notice any signs of leakage, unusual noises, or a rising temperature gauge, it may be time to consider replacing your water pump.

  • Circulates coolant to regulate engine temperature
  • Prevents engine overheating
  • Ensures consistent engine performance
  • Durable construction for long service life
  • Direct fit for specific vehicle applications
  • High-quality materials for reliability
Operating mode
mechanical
Additional article/Additional information
do not use sealant
Additional article/Additional info 2
with sealing ring
Number of wings/blades
6
Impeller diameter [mm]
56
Type of water pump
V-belt for transmission
Water pump impeller material
Brass
  • OPEL
    • VECTRA A Hečbeka virsbūve (J89)
      • 2.5 V6 (F68, M68) (125kW/170PS)
    • VECTRA A (J89)
      • 2.5 V6 (F19, M19) (125kW/170PS)
    • CALIBRA A (C89)
      • 2.5 i V6 (M07) (125kW/170PS)
    • FRONTERA A (U92)
      • 2.3 TD (5JMWL4) (74kW/100PS)
    • OMEGA B (V94)
      • 2.5 V6 (F69, M69, P69) (125kW/170PS)
      • 3.0 V6 (F69, M69, P69) (155kW/211PS)
      • 2.6 V6 (F69, M69, P69) (132kW/180PS)
      • 3.2 V6 (F69, M69, P69) (160kW/218PS)
    • OMEGA B Universālis (V94)
      • 2.5 V6 (F35, M35, P35) (125kW/170PS)
      • 3.0 V6 (F35, M35, P35) (155kW/211PS)
      • 2.6 V6 (F35, M35, P35) (132kW/180PS)
      • 3.2 V6 (F35, M35, P35) (160kW/218PS)
    • ASCONA A (81_, 86_, 87_, 88_)
      • 1.6 N (44kW/60PS)
    • VECTRA B Hečbeka virsbūve (J96)
      • 2.5 i V6 (F68) (125kW/170PS)
      • 2.6 i V6 (F68) (125kW/170PS)
      • 2.5 (F68) (144kW/196PS)
    • VECTRA B (J96)
      • 2.5 i V6 (F19) (125kW/170PS)
      • i 500 2.5 (F19) (143kW/194PS)
      • 2.6 i V6 (F19) (125kW/170PS)
    • VECTRA B Universālis (J96)
      • 2.5 i V6 (F35) (125kW/170PS)
      • i 500 2.5 (F35) (143kW/194PS)
      • 2.6 i V6 (F35) (125kW/170PS)
    • SINTRA (APV)
      • 3.0 i 24V (OUN16, Y94) (148kW/201PS)
    • FRONTERA B (U99)
      • 3.2 i (6B1VF, 6B1_6) (151kW/205PS)
    • VECTRA C GTS (Z02)
      • 3.2 V6 (F68) (155kW/211PS)
    • SIGNUM Hečbeka virsbūve (Z03)
      • 3.2 V6 (F48) (155kW/211PS)
    • VECTRA C Universālis (Z02)
      • 3.2 V6 (F35) (155kW/211PS)
    • VECTRA C (Z02)
      • 3.2 V6 (F69) (155kW/211PS)
  • SAAB
    • 900 II
      • 2.5 -24 V6 (125kW/170PS)
    • 900 II Kabriolets
      • 2.5 -24 V6 (125kW/170PS)
    • 9000
      • 3.0 -24 V6 CD/CDE (155kW/211PS)
    • 9000 Hečbeka virsbūve
      • 3.0 -24 V6 CS/CSE (155kW/211PS)
    • 900 II Coupe
      • 2.5 -24 V6 (125kW/170PS)
    • 9-5 (YS3E)
      • 3.0 V6t (147kW/200PS)
    • 9-5 Universālis (YS3E)
      • 3.0 V6t (147kW/200PS)
  • CADILLAC
    • CTS
      • 3.2 (160kW/218PS)
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