Technical Specifications: Caterpillar 7N-5049 Relief Valve CoverThe Caterpillar 7N-5049 Relief Valve Cover is a heavy-duty protective component engineered for the engine lubricating system. Mounted directly over the engine oil pump relief valve mechanism, it shields internal parts from contamination, prevents unauthorized access, and maintains strict pressure limits within the lubrication loop.
1. Core Dimensions & Weight
- Length: Approximately 152.40 mm (6.00 in)
- Width: Approximately 101.60 mm (4.00 in)
- Height / Thickness: Approximately 101.60 mm (4.00 in)
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Net Weight: 1.87 kg (4.13 lbs)
2. Pressure & Material Specs
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Pressure Capacity: Rated to withstand oil pressures up to 1050 kPa (152.3 psi) without structural flexing.
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Material Grade: Premium high-density cast iron or alloy steel matrix engineered to endure severe block pulsations and high temperatures.
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Protective Function: Guards the relief valve against external impacts, dirt ingress, and environmental debris while containing high-velocity oil bypass.
3. Equipment & Engine Compatibility
This relief valve cover is built exclusively for the engine oil pump groups of heavy-duty Caterpillar large-bore diesel platforms:
- Diesel Engine Series: CAT 3508, 3512, 3516 (including specialized sub-variants and power generation setups).
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Primary Systems: Standard equipment for big-bore industrial engines, mining haul trucks, marine propulsion drives, and containerized power modules.
4. Part Cross-References
- Alternative Part Numbers: 7N5049, 7N 5049
- System Companions: Directly pairs with internal components like the 7N-5449 Pressure Relief Spool, return springs, and dedicated block channel mounting seals.
