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K&N 2020-2023 GM 2500/3500 6.6L Oil Separator Catch Can

2 sold in last 8 hours
K&N Engineering
KNN81-0812
In stock
Oil Separators
$157.99
K&N Oil Separator Catch Can | 2020-2023 GM 2500/3500 6.6L | Protect Your Engine Prevent oil vapor from entering your intake with the K&N Oil...
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$157.99

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K&N 2020-2023 GM 2500/3500 6.6L Oil Separator Catch Can

K&N Oil Separator Catch Can | 2020-2023 GM 2500/3500 6.6L | Protect Your Engine

Prevent oil vapor from entering your intake with the K&N Oil Separator for 2020-2023 Chevy Silverado & GMC Sierra 2500/3500 6.6L. High-capacity, easy install, and engine-saving technology.

The K&N 99-5050 Oil Separator Catch Can is a critical upgrade for owners of the 2020-2023 Chevrolet Silverado and GMC Sierra 2500/3500 with the 6.6L engine. Modern high-displacement engines often suffer from "blow-by," where oil mist and combustion byproducts are vented back into the intake system. Over time, this creates carbon buildup on intake valves and decreases engine efficiency.

This K&N system acts as a high-performance filtration barrier. It intercepts the crankcase air, cools it to condense the oil vapor, and traps the liquid oil in a durable reservoir. By ensuring only clean air reaches your combustion chamber, it helps maintain consistent horsepower, prevents detonation (knock), and extends the overall life of your heavy-duty powertrain.

Best Uses

  1. Heavy Towing: Prevents performance loss caused by oil dilution during high-load, high-heat towing scenarios.
  2. Daily Maintenance: A "set and forget" upgrade for truck owners looking to prevent long-term carbon buildup.
  3. Fleet Vehicles: Ideal for high-mileage work trucks where engine longevity and reliability are the top priorities.

Features

  1. Vehicle Specific Fit: Custom-engineered specifically for the 2020-2023 GM 6.6L engine bay for a clean, factory-look installation.
  2. Internal Baffling System: Features a multi-stage baffle that maximizes the surface area for oil vapor to condense and separate from the air.
  3. High-Capacity Reservoir: Designed to hold a significant amount of captured oil, allowing for longer intervals between servicing.
  4. Quick-Release Drainage: Built with a user-friendly drain valve or easy-to-remove canister for fast, mess-free maintenance.
  5. Durable Construction: Manufactured from high-grade materials to withstand the extreme under-hood temperatures of a heavy-duty truck.

Benefits

  1. Cleaner Intake System: Keeps intake valves and manifolds free from oily sludge and carbon deposits.
  2. Optimized Combustion: Ensures a purer air-fuel mixture, preventing the reduction in octane that occurs when oil vapor is present.
  3. Preserved Horsepower: Maintains the performance levels your 6.6L engine was designed for by preventing "heat soak" and buildup.
  4. Cost Savings: Reduces the need for expensive top-end engine cleanings or valve "walnut blasting" later in the vehicle's life.
  5. Simple Installation: Typically utilizes factory mounting points and quick-connect fittings, requiring only basic hand tools.

 

This Part Fits:

Year Make Model Submodel
2020-2025 Chevrolet Silverado 2500 HD Custom
2020-2025 Chevrolet Silverado 2500 HD High Country
2020-2025 Chevrolet Silverado 2500 HD LT
2020-2025 Chevrolet Silverado 2500 HD LTZ
2020-2025 Chevrolet Silverado 2500 HD WT
2024-2025 Chevrolet Silverado 2500 HD ZR2
2020-2025 Chevrolet Silverado 3500 HD High Country
2020-2025 Chevrolet Silverado 3500 HD LT
2020-2025 Chevrolet Silverado 3500 HD LTZ
2020-2025 Chevrolet Silverado 3500 HD WT
2020-2025 GMC Sierra 2500 HD AT4
2024-2025 GMC Sierra 2500 HD AT4X
2020-2021 GMC Sierra 2500 HD Base
2020-2025 GMC Sierra 2500 HD Denali
2022-2025 GMC Sierra 2500 HD Pro
2020-2025 GMC Sierra 2500 HD SLE
2020-2025 GMC Sierra 2500 HD SLT
2020-2025 GMC Sierra 3500 HD AT4
2020-2021 GMC Sierra 3500 HD Base
2020-2025 GMC Sierra 3500 HD Denali
2022-2025 GMC Sierra 3500 HD Pro
2020-2025 GMC Sierra 3500 HD SLE
2020-2025 GMC Sierra 3500 HD SLT
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