K&N 81-0812 Oil-Catch Can for 2020-25 Chevy Silverado/Sierra HD 6.6 L

Vehicle Fitment

• 2020-2025 Chevrolet Silverado 2500 HD / 3500 HD (6.6 L V8 Gas, RWD/4WD)
• 2020-2025 GMC Sierra 2500 HD / 3500 HD (6.6 L V8 Gas, RWD/4WD)

Features

• Captures crankcase blow-by oil vapors before they enter the intake tract
• Reduces oil contamination and protects engine internals under heavy load
• 6 oz high-capacity reservoir for extended service intervals
• Direct-fit design for GM 6.6 L gas HD trucks - no universal kit
• Quick installation using factory-style hose connections (~30 minutes)
• Durable aluminum body with premium hoses for long-term reliability
• Lifetime limited warranty for as-sold vehicle usage
• Maintains cleaner intake tract and throttle-body surfaces, ideal for towing or hauling

Specifications

• Reservoir capacity: 6 oz (≈0.18 L)
• Tank material: Aluminum, black finish
• Approximate weight: ~2 lb (0.9 kg)
• Mounts via factory PCV/hose routing - no drilling required
• Street legal in all US states except California for pollution-controlled vehicles

Included Components

• 1x Oil-Catch Can reservoir assembly
• Bracket with mounting hardware
• 2x Hoses (3/8" ID x ~12.75" L)
• Quick-release 3/8" NPT fittings (2x)
• Installation instructions

Product Description

The K&N 81-0812 Oil-Catch Can is designed for 6.6 L V8 gas engines in the Chevrolet Silverado and GMC Sierra 2500 HD/3500 HD from 2020 through 2025. It intercepts blow-by oil vapors before they enter the intake tract, protecting throttle body and intake components while maintaining engine performance and efficiency.

Ideal for trucks used for towing, hauling, or heavy-duty conditions, this direct-fit catch can installs in approximately 30 minutes using factory hose routing. The 6-ounce reservoir reduces service frequency, and the aluminum construction ensures durability under demanding conditions.

Fitment is confirmed through 2025 for the listed vehicles. This product is not legal for sale or use in California on vehicles with full emissions control systems. Ensure compatibility with your engine (6.6 L V8 gas) and drivetrain (RWD/4WD) before purchase.