Upgrade your 5.9 Cummins (1998.5-2007) with the genuine Cummins 3969987 Heater Grid, engineered for a precise fit and exceptional performance. This reliable replacement part has undergone rigorous testing to guarantee durability and longevity, ensuring your engine runs smoothly in all conditions. Trust Cummins for quality you can depend on—choose the 3969987 Heater Grid for a seamless upgrade that enhances your vehicle's efficiency and reliability.