K&N Engineering 81-0805 Air Oil Separator for 2014-2020 Chevrolet Silverado and GMC Sierra

The K&N Air Oil Separator protects the engine and intake tract from blowby by capturing the oil in our industry leading high capacity reservoir. This helps prevent power loss and possible engine damage caused by blowby. The K&N Air Oil Separator is quick and easy to install in about 30 minutes with basic tools and uses factory-style hose connections to quickly snap on and off. The oil separator replaces the factory line from the crank case allowing the oil separator to be mounted to a coinvent location in your engine bay. No tools are needed to check and empty the oil collector reservoir. Each unit is engineered specifically for your vehicle and is backed by our No-Hassle Lifetime Limited Warranty. The K&N Air Oil Separator protects the engine and intake tract from blowby by capturing the oil in our industry leading high capacity reservoir.

• No-Hassle Lifetime Limited Warranty

The K&N Engineering 81-0805 Air Oil Separator helps protect the engine and intake tract by capturing oil and other contaminants from crankcase blowby before they can circulate through the intake system. Its high-capacity reservoir helps reduce buildup that may contribute to power loss, deposits, and potential engine damage. This vehicle-specific oil separator is designed for select Chevrolet Silverado, Chevrolet Tahoe, and GMC Yukon applications, as well as GMC Sierra models.

Installation is quick and straightforward, typically taking about 30 minutes with basic hand tools. The K&N 81-0805 uses factory-style hose connections that snap on and off easily while replacing the original crankcase line. The separator can be mounted in a convenient location within the engine bay, and the collector reservoir can be checked and emptied without tools. It is engineered for a precise vehicle-specific fit and is backed by K&N Engineering’s No-Hassle Lifetime Limited Warranty.

Key Product Specifications & Technical Data:

• Brand: K&N Engineering
• Part Number: 81-0805
• Product Type: Air oil separator
• Application: Automotive crankcase ventilation systems
• Engine Compatibility: Select 5.3L and 6.2L gasoline engines
• Connection Style: Factory-style quick-connect hose fittings
• Installation: Approximately 30 minutes with basic tools
• Warranty: No-Hassle Lifetime Limited Warranty

What's Included: One K&N Engineering 81-0805 air oil separator with the components required for the specified vehicle applications.

Fitment: Fits select 2014 Chevrolet Silverado 1500 models, 2014 GMC Sierra 1500 models, 2015 Chevrolet Tahoe models, and 2015 GMC Yukon models equipped with compatible 5.3L or 6.2L gasoline engines. Verify vehicle and engine application before ordering.

Features:

• Blowby Protection: Captures oil and contaminants from crankcase vapors to help protect the engine and intake tract.
• High-Capacity Reservoir: Stores collected oil and residue to help reduce intake-system buildup and potential performance loss.
• Vehicle-Specific Design: Engineered for select Chevrolet and GMC applications with compatible 5.3L and 6.2L gasoline engines.
• Quick Installation and Service: Uses factory-style hose connections for simple installation, while the collector can be checked and emptied without tools.

Fitments:
2014 Chevrolet Silverado 1500 High Country
2014 Chevrolet Silverado 1500 LT
2014 Chevrolet Silverado 1500 LTZ
2014 Chevrolet Silverado 1500 WT
2014 GMC Sierra 1500 Base
2014 GMC Sierra 1500 Denali
2014 GMC Sierra 1500 SLE
2014 GMC Sierra 1500 SLT
2015 Cadillac Escalade Base
2015 Cadillac Escalade Luxury
2015 Cadillac Escalade Platinum
2015 Cadillac Escalade Premium
2015 Cadillac Escalade ESV Base
2015 Cadillac Escalade ESV Luxury
2015 Cadillac Escalade ESV Platinum
2015 Cadillac Escalade ESV Premium
2015 Chevrolet Silverado 1500 High Country
2015 Chevrolet Silverado 1500 LS
2015 Chevrolet Silverado 1500 LT
2015 Chevrolet Silverado 1500 LTZ
2015 Chevrolet Silverado 1500 SSV
2015 Chevrolet Silverado 1500 WT
2015 Chevrolet Suburban LS
2015 Chevrolet Suburban LT
2015 Chevrolet Suburban LTZ
2015 Chevrolet Tahoe LS
2015 Chevrolet Tahoe LT
2015 Chevrolet Tahoe LTZ
2015 Chevrolet Tahoe PPV
2015 Chevrolet Tahoe SSV
2015 GMC Sierra 1500 Base
2015 GMC Sierra 1500 Denali
2015 GMC Sierra 1500 SLE
2015 GMC Sierra 1500 SLT
2015 GMC Yukon Denali
2015 GMC Yukon SLE
2015 GMC Yukon SLT
2015 GMC Yukon XL Denali
2015 GMC Yukon XL SLE
2015 GMC Yukon XL SLT
2016 Cadillac Escalade Base
2016 Cadillac Escalade Luxury
2016 Cadillac Escalade Platinum
2016 Cadillac Escalade Premium
2016 Cadillac Escalade ESV Base
2016 Cadillac Escalade ESV Luxury
2016 Cadillac Escalade ESV Platinum
2016 Cadillac Escalade ESV Premium
2016 Chevrolet Silverado 1500 Custom
2016 Chevrolet Silverado 1500 High Country
2016 Chevrolet Silverado 1500 LS
2016 Chevrolet Silverado 1500 LT
2016 Chevrolet Silverado 1500 LTZ
2016 Chevrolet Silverado 1500 SSV
2016 Chevrolet Silverado 1500 WT
2016 Chevrolet Suburban LS
2016 Chevrolet Suburban LT
2016 Chevrolet Suburban LTZ
2016 Chevrolet Tahoe LS
2016 Chevrolet Tahoe LT
2016 Chevrolet Tahoe LTZ
2016 Chevrolet Tahoe PPV
2016 Chevrolet Tahoe SSV
2016 GMC Sierra 1500 Base
2016 GMC Sierra 1500 Denali
2016 GMC Sierra 1500 SLE
2016 GMC Sierra 1500 SLT
2016 GMC Yukon Denali
2016 GMC Yukon SLE
2016 GMC Yukon SLT
2016 GMC Yukon XL Denali
2016 GMC Yukon XL SLE
2016 GMC Yukon XL SLT
2017 Cadillac Escalade Base
2017 Cadillac Escalade Luxury
2017 Cadillac Escalade Platinum
2017 Cadillac Escalade Premium Luxury
2017 Cadillac Escalade ESV Base
2017 Cadillac Escalade ESV Luxury
2017 Cadillac Escalade ESV Platinum
2017 Cadillac Escalade ESV Premium Luxury
2017 Chevrolet Silverado 1500 Custom
2017 Chevrolet Silverado 1500 High Country
2017 Chevrolet Silverado 1500 LS
2017 Chevrolet Silverado 1500 LT
2017 Chevrolet Silverado 1500 LTZ
2017 Chevrolet Silverado 1500 SSV
2017 Chevrolet Silverado 1500 WT
2017 Chevrolet Suburban LS
2017 Chevrolet Suburban LT
2017 Chevrolet Suburban Premier
2017 Chevrolet Tahoe LS
2017 Chevrolet Tahoe LT
2017 Chevrolet Tahoe PPV
2017 Chevrolet Tahoe Premier
2017 Chevrolet Tahoe SSV
2017 GMC Sierra 1500 Base
2017 GMC Sierra 1500 Denali
2017 GMC Sierra 1500 SLE
2017 GMC Sierra 1500 SLT
2017 GMC Yukon Denali
2017 GMC Yukon SLE
2017 GMC Yukon SLT
2017 GMC Yukon XL Denali
2017 GMC Yukon XL SLE
2017 GMC Yukon XL SLT
2018 Cadillac Escalade Base
2018 Cadillac Escalade Luxury
2018 Cadillac Escalade Platinum
2018 Cadillac Escalade Premium Luxury
2018 Cadillac Escalade ESV Base
2018 Cadillac Escalade ESV Luxury
2018 Cadillac Escalade ESV Platinum
2018 Cadillac Escalade ESV Premium Luxury
2018 Chevrolet Silverado 1500 Custom
2018 Chevrolet Silverado 1500 High Country
2018 Chevrolet Silverado 1500 LS
2018 Chevrolet Silverado 1500 LT
2018 Chevrolet Silverado 1500 LTZ
2018 Chevrolet Silverado 1500 SSV
2018 Chevrolet Silverado 1500 WT
2018 Chevrolet Suburban LS
2018 Chevrolet Suburban LT
2018 Chevrolet Suburban Premier
2018 Chevrolet Tahoe LS
2018 Chevrolet Tahoe LT
2018 Chevrolet Tahoe PPV
2018 Chevrolet Tahoe Premier
2018 Chevrolet Tahoe SSV
2018 GMC Sierra 1500 Base
2018 GMC Sierra 1500 Denali
2018 GMC Sierra 1500 SLE
2018 GMC Sierra 1500 SLT
2018 GMC Yukon Denali
2018 GMC Yukon SLE
2018 GMC Yukon SLT
2018 GMC Yukon XL Denali
2018 GMC Yukon XL SLE
2018 GMC Yukon XL SLT
2019 Cadillac Escalade Base
2019 Cadillac Escalade Luxury
2019 Cadillac Escalade Platinum
2019 Cadillac Escalade Premium Luxury
2019 Cadillac Escalade ESV Base
2019 Cadillac Escalade ESV Luxury
2019 Cadillac Escalade ESV Platinum
2019 Cadillac Escalade ESV Premium Luxury
2019 Chevrolet Suburban LS
2019 Chevrolet Suburban LT
2019 Chevrolet Suburban Premier
2019 Chevrolet Tahoe LS
2019 Chevrolet Tahoe LT
2019 Chevrolet Tahoe PPV
2019 Chevrolet Tahoe Premier
2019 Chevrolet Tahoe SSV
2019 GMC Yukon Denali
2019 GMC Yukon SLE
2019 GMC Yukon SLT
2019 GMC Yukon XL Denali
2019 GMC Yukon XL SLE
2019 GMC Yukon XL SLT
2020 Chevrolet Suburban LS
2020 Chevrolet Suburban LT
2020 Chevrolet Suburban Premier
2020 Chevrolet Tahoe LS
2020 Chevrolet Tahoe LT
2020 Chevrolet Tahoe PPV
2020 Chevrolet Tahoe Premier
2020 Chevrolet Tahoe SSV
2020 GMC Yukon Denali
2020 GMC Yukon SLE
2020 GMC Yukon SLT
2020 GMC Yukon XL Denali
2020 GMC Yukon XL SLE
2020 GMC Yukon XL SLT

Air Freight Prohibited: false
Not Carb Approved: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1