
- Prevents Damaging Fluid Leaks: Gaskets and seals are engineered to fill the microscopic gaps between metal surfaces, creating airtight and fluid-tight barriers. This is absolutely critical for keeping essential fluids like engine oil, coolant, and fuel contained within their correct channels, where they are needed to lubricate and cool the engine.
- Maintains Optimal Engine Performance: By preventing leaks, the set ensures the engine maintains its intended operating pressures and volumes. Leaks of oil or coolant can rapidly lead to overheating and major engine failure, while a loss of compression due to a failed seal can cause reduced power and poor fuel efficiency.
- Protects Internal Components from Cross-Contamination: The seals are vital for separating different fluid systems. For example, they stop coolant from mixing with engine oil, a common failure point that results in a sludgy mixture capable of causing severe and irreversible damage to bearings and other precision components.
- Replaces Worn and Aged Parts: Rubber and composite components naturally dry out, crack, and lose their sealing ability over time and heat cycles. The DK-FD6.7-LGS kit provides new, high-quality replacements to ensure a reliable, leak-free seal that meets or exceeds OEM specifications, guaranteeing a successful engine overhaul.
- Engine Crankshaft Seal (Rear) – BC3Z6701A x 1
- Slinger – BC3Z6310A x 1
- Engine Crankshaft Sealing Flange Gasket (Rear) – BC3Z6D083B x 1
- Engine Timing Cover Gasket (Front) – BC3Z6020F x 1
- Engine Timing Cover Gasket (Front, Upper) – BC3Z6020CA x 1
- Engine Timing Cover Gasket (Front, Upper) – BC3Z6020E x 1
- Engine Timing Cover Gasket (Front, Upper) – BC3Z6020BA x 1
- Engine Timing Cover Gasket (Front, Lower) – BC3Z6020DA x 1
- Engine Crankshaft Seal (Front) – BC3Z6700A x 1
- Engine Oil Cooler Gasket – DC3Z6L621B x 1
- Engine Oil Cooler Gasket – DC3Z6L621A x 2
- Engine Oil Cooler Gasket – DC3Z6L621C x 1
- Engine Oil Filter Adapter Gaske – BC3Z6840A x 1
- Engine Oil Dipstick Tube Seal – W716325S300 x 2
- Gasket – Drain Plug – Oil – F75Z6734AA x 1
- Engine Oil Pump Pickup Tube Gasket – BC3Z6626A x 1
- Engine Oil Pan Gasket (Upper) – BC3Z6710A x 1
- Engine Oil Pan Gasket (Lower) – BC3Z6710B x 1
- Hose. Ring. Seal. (Upper, Lower) – BC3Z8590F x 4
- Radiator Coolant Hose Seal – BC3Z8590E x 1
- Thermostat. Ring. Engine. Coolant. Gasket – BC3Z00815A x 1
- Thermostat. Ring. Coolant. Gasket. Engine – BC3Z00815B x 1
- Engine Water Pump Gasket – BC3Z8507A x 1
- Engine Oil Pan Gasket – DC3Z6710A x 2
- Engine Oil Pan Gasket – DC3Z6710B x 1
- Seal – HC3Z8527B x 2

Ensure the long-term reliability and peak performance of your 2011–2019 6.7L Powerstroke diesel engine with the DK Engines DK-FD6.7-LGS Lower Gasket Set. This comprehensive kit is an essential component for any engine rebuild or major repair, providing all the critical gaskets and seals needed to properly and securely reseal the engine's bottom end. Investing in a high-quality lower gasket set isn't just about fixing a leak; it's about safeguarding your engine's internal health, optimizing efficiency, and preventing catastrophic failure. A secure seal is the foundational barrier that keeps your truck running strong, so don't compromise the integrity of your hard work with old, worn-out components.
Prevents Damaging Fluid Leaks: Gaskets and seals are engineered to fill the microscopic gaps between metal surfaces, creating airtight and fluid-tight barriers. This is absolutely critical for keeping essential fluids like engine oil, coolant, and fuel contained within their correct channels, where they are needed to lubricate and cool the engine.
Maintains Optimal Engine Performance: By preventing leaks, the set ensures the engine maintains its intended operating pressure[...]
- Prevents Damaging Fluid Leaks: Gaskets and seals are engineered to fill the microscopic gaps between metal surfaces, creating airtight and fluid-tight barriers. This is absolutely critical for keeping essential fluids like engine oil, coolant, and fuel contained within their correct channels, where they are needed to lubricate and cool the engine.
- Maintains Optimal Engine Performance: By preventing leaks, the set ensures the engine maintains its intended operating pressures and volumes. Leaks of oil or coolant can rapidly lead to overheating and major engine failure, while a loss of compression due to a failed seal can cause reduced power and poor fuel efficiency.
- Protects Internal Components from Cross-Contamination: The seals are vital for separating different fluid systems. For example, they stop coolant from mixing with engine oil, a common failure point that results in a sludgy mixture capable of causing severe and irreversible damage to bearings and other precision components.
- Replaces Worn and Aged Parts: Rubber and composite components naturally dry out, crack, and lose their sealing ability over time and heat cycles. The DK-FD6.7-LGS kit provides new, high-quality replacements to ensure a reliable, leak-free seal that meets or exceeds OEM specifications, guaranteeing a successful engine overhaul.
- Engine Crankshaft Seal (Rear) – BC3Z6701A x 1
- Slinger – BC3Z6310A x 1
- Engine Crankshaft Sealing Flange Gasket (Rear) – BC3Z6D083B x 1
- Engine Timing Cover Gasket (Front) – BC3Z6020F x 1
- Engine Timing Cover Gasket (Front, Upper) – BC3Z6020CA x 1
- Engine Timing Cover Gasket (Front, Upper) – BC3Z6020E x 1
- Engine Timing Cover Gasket (Front, Upper) – BC3Z6020BA x 1
- Engine Timing Cover Gasket (Front, Lower) – BC3Z6020DA x 1
- Engine Crankshaft Seal (Front) – BC3Z6700A x 1
- Engine Oil Cooler Gasket – DC3Z6L621B x 1
- Engine Oil Cooler Gasket – DC3Z6L621A x 2
- Engine Oil Cooler Gasket – DC3Z6L621C x 1
- Engine Oil Filter Adapter Gaske – BC3Z6840A x 1
- Engine Oil Dipstick Tube Seal – W716325S300 x 2
- Gasket – Drain Plug – Oil – F75Z6734AA x 1
- Engine Oil Pump Pickup Tube Gasket – BC3Z6626A x 1
- Engine Oil Pan Gasket (Upper) – BC3Z6710A x 1
- Engine Oil Pan Gasket (Lower) – BC3Z6710B x 1
- Hose. Ring. Seal. (Upper, Lower) – BC3Z8590F x 4
- Radiator Coolant Hose Seal – BC3Z8590E x 1
- Thermostat. Ring. Engine. Coolant. Gasket – BC3Z00815A x 1
- Thermostat. Ring. Coolant. Gasket. Engine – BC3Z00815B x 1
- Engine Water Pump Gasket – BC3Z8507A x 1
- Engine Oil Pan Gasket – DC3Z6710A x 2
- Engine Oil Pan Gasket – DC3Z6710B x 1
- Seal – HC3Z8527B x 2