Thermostat with Gasket & Bushing 3917324 for Cummins 4B/6B Series Engines
Stop overheating delays and get your Cummins 4B/6B engine back to optimal operating temperature—fast. This Thermostat with Gasket & Bushing 3917324 is a direct-fit, OEM-equivalent replacement that eliminates guesswork and costly downtime from mismatched or counterfeit parts. Includes all three critical components: thermostat (3917324), gasket (3920336), and bushing (3923331)—no sourcing headaches Fits exact engine variants: 4B3.9, 4BT3.9, 4BTA3.9, 6B5.9, 6BT5.9, and 6BTA5.9—verified for thermal response consistency at 82°C opening point Rigorously tested pre-shipment to match OEM flow rate and pressure specs—no risk of coolant bypass or erratic warm-up Ships same-day from our Guangzhou warehouse when ordered before 3 PM CST—no waiting weeks for OEM lead times