Skip to product information
1 of 6

K&N Engineering 33-5100 High-Flow Replacement Air Filter for 2020-2021 Ford F-250 and F-350 Super Duty

K&N Engineering 33-5100 High-Flow Replacement Air Filter for 2020-2021 Ford F-250 and F-350 Super Duty

K&N Engineering -

Regular price $103.85 USD
Regular price $103.85 USD Sale price $103.85 USD
Sale Special Order this item by Clicking the Chat Button Below
Shipping calculated at checkout.
K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's No-Hassle Lifetime Limited Warranty. K&N drop-in replacement filters are designed to install easily into your factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product! K&N's replacement High-Flow Air Filters are designed to increase horsepower while providing exceptional engine protection, and are covered by K&N's No-Hassle Lifetime Limited Warranty. Associated products: 99-5000 Filter Care Service Kit Aerosol
  • REDUCES WASTE: Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills

Upgrade the factory air intake system in your 2020-2021 Ford F-250 or F-350 Super Duty with the K&N Engineering 33-5100 High-Flow Replacement Air Filter. Designed as a direct drop-in replacement for the factory air box, this reusable automotive air filter helps improve airflow to support increased horsepower and responsive engine performance.

The K&N 33-5100 uses a state-of-the-art design featuring layered, oiled cotton filter media engineered to provide high airflow while capturing contaminants before they reach the engine. Unlike disposable filters, it can be cleaned, serviced, and reused throughout the life of the vehicle. The filter is backed by K&N's No-Hassle Lifetime Limited Warranty and is compatible with the K&N 99-5000 Filter Care Service Kit Aerosol for maintenance.

  • Reusable Construction: Washable and serviceable design helps reduce the need for repeated disposable filter replacements.
  • High-Flow Performance: Layered, oiled cotton media is engineered to improve airflow and support increased horsepower.
  • Engine Protection: Designed to capture contaminants while providing exceptional airflow to the engine.
  • Waste Reduction: Reusable filtration helps reduce the amount of disposable air filter and packaging waste sent to landfills.

Key Product Specifications & Technical Data:

  • Brand: K&N Engineering
  • Part Number: 33-5100
  • Product Type: High-flow replacement air filter
  • Filter Media: Layered, oiled cotton
  • Filter Style: Drop-in replacement
  • Application: Automotive
  • Serviceability: Washable and reusable
  • Warranty: No-Hassle Lifetime Limited Warranty

What's Included: One K&N Engineering 33-5100 High-Flow Replacement Air Filter. Filter care products are sold separately.

Fitment: Designed for select 2020-2021 Ford F-250 Super Duty and Ford F-350 Super Duty models equipped with 6.2L, 6.7L, or 7.3L V8 engines. Verify vehicle year, engine, and factory air box configuration before installation.

Features:

  • Reusable, washable design supports long-term use and helps reduce disposable filter waste.
  • Layered, oiled cotton media is engineered to increase airflow and support improved horsepower.
  • Direct drop-in replacement installs into the factory air box without requiring extensive modifications.
  • Designed to provide strong engine protection while maintaining high airflow performance.

Fitments:
2020 Ford F-250 Super Duty King Ranch
2020 Ford F-250 Super Duty Lariat
2020 Ford F-250 Super Duty Limited
2020 Ford F-250 Super Duty Platinum
2020 Ford F-250 Super Duty XL
2020 Ford F-250 Super Duty XLT
2020 Ford F-350 Super Duty King Ranch
2020 Ford F-350 Super Duty Lariat
2020 Ford F-350 Super Duty Limited
2020 Ford F-350 Super Duty Platinum
2020 Ford F-350 Super Duty XL
2020 Ford F-350 Super Duty XLT
2021 Ford F-250 Super Duty King Ranch
2021 Ford F-250 Super Duty Lariat
2021 Ford F-250 Super Duty Limited
2021 Ford F-250 Super Duty Platinum
2021 Ford F-250 Super Duty XL
2021 Ford F-250 Super Duty XLT
2021 Ford F-350 Super Duty King Ranch
2021 Ford F-350 Super Duty Lariat
2021 Ford F-350 Super Duty Limited
2021 Ford F-350 Super Duty Platinum
2021 Ford F-350 Super Duty XL
2021 Ford F-350 Super Duty XLT
2022 Ford F-250 Super Duty King Ranch
2022 Ford F-250 Super Duty Lariat
2022 Ford F-250 Super Duty Limited
2022 Ford F-250 Super Duty Platinum
2022 Ford F-250 Super Duty XL
2022 Ford F-250 Super Duty XLT
2022 Ford F-350 Super Duty King Ranch
2022 Ford F-350 Super Duty Lariat
2022 Ford F-350 Super Duty Limited
2022 Ford F-350 Super Duty Platinum
2022 Ford F-350 Super Duty XL
2022 Ford F-350 Super Duty XLT
2023 Ford F-250 Super Duty King Ranch
2023 Ford F-250 Super Duty Lariat
2023 Ford F-250 Super Duty Limited
2023 Ford F-250 Super Duty Platinum
2023 Ford F-250 Super Duty XL
2023 Ford F-250 Super Duty XLT
2023 Ford F-350 Super Duty King Ranch
2023 Ford F-350 Super Duty Lariat
2023 Ford F-350 Super Duty Limited
2023 Ford F-350 Super Duty Platinum
2023 Ford F-350 Super Duty XL
2023 Ford F-350 Super Duty XLT
2024 Ford F-250 Super Duty King Ranch
2024 Ford F-250 Super Duty Lariat
2024 Ford F-250 Super Duty Limited
2024 Ford F-250 Super Duty Platinum
2024 Ford F-250 Super Duty XL
2024 Ford F-250 Super Duty XLT
2024 Ford F-350 Super Duty King Ranch
2024 Ford F-350 Super Duty Lariat
2024 Ford F-350 Super Duty Limited
2024 Ford F-350 Super Duty Platinum
2024 Ford F-350 Super Duty XL
2024 Ford F-350 Super Duty XLT
2025 Ford F-250 Super Duty King Ranch
2025 Ford F-250 Super Duty Lariat
2025 Ford F-250 Super Duty Platinum
2025 Ford F-250 Super Duty XL
2025 Ford F-250 Super Duty XLT
2025 Ford F-350 Super Duty King Ranch
2025 Ford F-350 Super Duty Lariat
2025 Ford F-350 Super Duty Platinum
2025 Ford F-350 Super Duty XL
2025 Ford F-350 Super Duty XLT
2026 Ford F-250 Super Duty King Ranch
2026 Ford F-250 Super Duty Lariat
2026 Ford F-250 Super Duty Platinum
2026 Ford F-250 Super Duty XL
2026 Ford F-250 Super Duty XLT
2026 Ford F-350 Super Duty King Ranch
2026 Ford F-350 Super Duty Lariat
2026 Ford F-350 Super Duty Platinum
2026 Ford F-350 Super Duty XL
2026 Ford F-350 Super Duty XLT
Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1

Materials

Shipping & Returns

Dimensions

Care Instructions

View full details

    Contact form