Growshine International presents the ACDelco GM 251-598 Water Pump (OE# 12371989), engineered for durability in construction machinery, heavy-duty trucks, agricultural equipment, and automotive engines. Manufactured in Mexico with ISO-certified processes, this OEM-grade component ensures optimal thermal management for engines like Caterpillar C15, Volvo D13, and John Deere 6.8L.
| Part Number | 251-598 / 12371989 |
|---|---|
| Material | Aluminum Alloy Housing, Carbon Ceramic Seal |
| Flow Rate | 150 L/min @ 3000 RPM |
| Compatibility | GM Duramax, Isuzu 6HK1, Komatsu PC300 |
✅ 30% Longer Lifespan than aftermarket pumps due to precision-cast impeller
✅ Zero-Leak Guarantee with triple-lip silicone seal technology
✅ Direct replacement for Case IH Magnum, Hitachi ZX330, and Kenworth T880
Diagnosis: Worn water pump bearings causing coolant circulation failure.
Check for coolant leaks around pump housing
Replace with GM 251-598 pump using 12mm hex bolts (torque to 45 N·m)
Bleed air from cooling system using vacuum refill tool
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