Key Parameters

Cross Reference

Equivalent Part Numbers:

• 6416471
• 3688669
• 4928594
• PAI 131XXX
• Aftermarket Ref: Automann 561.6416471

Features & Advantages

• High-Strength Steel Construction: Engineered for heavy-load operation, providing superior pressure resistance up to 150 psi in oil/coolant galleries.
• Viton O-Ring Seal: Precision-machined with 0.01mm tolerance for leak-proof performance under 200°C temperatures.
• OEM Hex Design: Machined to Cummins specs for easy installation with standard tools, minimizing vibration in ISX15/QSX15 applications.
• Versatile Application: Suitable for construction, mining, and long-haul trucking, ensuring reliable sealing in Tier 4 engines.

Common Faults & Replacement Signals

• Oil/Coolant Leaks: Cracked or loose plugs cause seepage—replace if weeping is visible or pressure drops.
• O-Ring Failure: Degraded seals lead to contamination; check for wet spots or low fluid warnings.
• Thread Damage: Stripped threads result in poor seating; monitor for frequent top-ups or metal shavings.
• Corrosion: High-mileage operation without timely replacement causes seizing; inspect during 100,000-mile service.

Installation Notes

1. Preparation: Drain the affected system and clean the threads with a tap (M18 x 1.5).
2. Alignment: Apply thread sealant to plug body, install with new O-ring, torque to 30 Nm (consult manual).
3. Sealing: Ensure Viton O-ring seats fully; use anti-seize on threads for future removal.
4. Testing: Refill fluids, run engine, and pressure-test for leaks; monitor levels for 10 minutes.
5. Pro Tip: Use a calibrated torque wrench to avoid stripping; replace in sets for gallery maintenance.

Packaging & Shipping

• Packaging: Sealed in an anti-corrosion bag with a protective sleeve, boxed for safe transit.
• Delivery: Worldwide free shipping on orders over $50; 3-7 days to most locations from the China warehouse.

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