Belt-driven Water Pump Assembly with Mechanical Seal for Isuzu CXZ51K 6WF1 Direct Replacement

Premium-quality direct replacement water pump assembly designed for Isuzu CXZ51K heavy-duty trucks equipped with the 6WF1 diesel engine. Circulates coolant to maintain optimal operating temperature and prevent overheating.

• OE Quality: Manufactured to Isuzu dimensional and material specifications for perfect fit
• Precision Impeller: Designed for maximum coolant flow at all engine speeds
• Heavy-Duty Bearing: Sealed ball bearing with high-temperature grease for long life
• Mechanical Seal: Ceramic or carbon face seal prevents coolant leakage
• Corrosion-Resistant Housing: Treated to resist rust and electrolysis
• Includes Gasket: Factory-matched gasket for leak-free installation
• Dynamically Balanced: Ensures smooth, quiet operation without vibration
• Direct Replacement: Matches OE mounting holes and pulley fitment
• Cost-Effective: Affordable alternative to genuine OEM without compromising reliability

Specifically designed for Isuzu CXZ51K trucks with 6WF1 engine.

• ISUZU CXZ51K (heavy-duty truck, 6×4 or 8×4 configuration)
• May also fit other Isuzu heavy models with 6WF1 engine (e.g., CYZ51K, EXZ51K) - verify compatibility

• 6-Cylinder, Inline Diesel, Turbocharged
• Displacement: 9.8L (9839cc)
• Max Power: 390 HP
• Application: CXZ51K, CYZ51K, EXZ51K series

1. Drain coolant from radiator and engine block
2. Remove drive belt by loosening tensioner or idler pulley
3. Remove fan and fan clutch (if applicable) from water pump flange
4. Disconnect hoses and note positions (inlet, outlet, bypass)
5. Unbolt old water pump, noting bolt lengths and positions
6. Clean mating surface on engine block and remove old gasket material
7. Compare new pump with old unit for proper fitment
8. Install new gasket on block
9. Install new water pump and tighten bolts in sequence (20-30 Nm)
10. Reconnect hoses with new clamps if needed
11. Reinstall fan and fan clutch with proper torque
12. Reinstall drive belt with correct routing and tension
13. Refill with recommended coolant type
14. Bleed cooling system and check for air pockets
15. Inspect for leaks at gasket and hose connections
16. Test drive while monitoring engine temperature

• Material Verification: Housing material and seal composition tested
• Dimensional Inspection: Verified against OE blueprints
• Leak Test: Pressure/vacuum tested for seal integrity
• Bearing Noise Test: Checked for smooth, quiet operation
• Impeller Balance: Dynamic balance checked to minimize vibration
• Visual Inspection: 100% checked for defects, cracks, or damage
• Safe Packaging: Sealed in plastic bag with foam protection

• Neutral export packing or customized packaging available
• Carton or wooden case for safe transportation
• Fast delivery for stock items
• Shipping by Express Air or Sea