Keep your heavy-duty rig running smoothly with this premium 2-Pack of Camshaft Position Sensors. Up for sale is a brand-new pair (2 pieces) of high-quality Camshaft Position Sensors (SRS/TRS) matching part number 23527338. These are premium aftermarket sensors manufactured by Interstate-McBee in Mexico (stamped with manufacturing code 2791). They are engineered specifically for heavy-duty Detroit Diesel Series 60 engines (11.1L, 12.7L, and 14L) commonly found in Freightliner, Kenworth, Peterbilt, and Western Star trucks. Replacing both the Synchronous Reference Sensor (SRS) and Timing Reference Sensor (TRS) together restores optimal engine timing, eliminates hard starting, and resolves erratic idle issues. Built to strict commercial-grade specifications for long-lasting durability against harsh engine heat and vibration. Please verify your engine serial number or part numbers before ordering to ensure a perfect fit!