Super Tech DEF vs Blue DEF: Complete RV Owner's Guide to Walmart DEF Quality
Super Tech DEF is identical to Blue DEF - both meet ISO 22241 specifications. Buy whichever is cheaper. All API-certified DEF works the same regardless of brand name.
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1995 Ford F53 460 Engine: Identifying EGR and PCV Valves | RV Repair Guide
Without seeing the specific image, the two valves on a 1995 Ford F53 460 7.5L are likely the EGR valve and PCV valve, or possibly AIR system components. These emission control valves should operate quietly during normal engine operation.
Cummins ISL Code 1896: EGR Valve Controller Gaskets & Repair
Yes, you'll need new gaskets when reinstalling the EGR valve controller after cleaning. The EGR valve assembly typically uses O-rings and metal gaskets that should be replaced during any disassembly to prevent vacuum leaks.