Part #: 81-0812

Overview

The K&N 20-23 GM 2500/3500 6.6L Oil Separator Catch Can is an application-specific performance upgrade for Chevrolet Silverado / GMC Sierra 2500HD/3500HD (20-26). The description below keeps the product's supported features and fitment easy to scan on mobile.

Key Features

• High-capacity reservoir for effective oil separation and long service intervals
• Quick and easy installation with factory-style hose connections
• Replaces factory crankcase line for a cleaner engine bay setup
• Constructed with durable materials designed to withstand engine bay conditions
• Engineered specifically for 6.6L diesel engines in Chevrolet Silverado and GMC Sierra trucks (2020–2023)
• No tools needed for routine check and maintenance of the oil reservoir
• Backed by K&N’s No-Hassle Lifetime Limited Warranty for peace of mind

Installation & Fitment

Designed for Chevrolet Silverado / GMC Sierra 2500HD/3500HD (20-26). Verify vehicle configuration and part number 81-0812 before installation.

Ideal For

Ideal for customers looking for a vehicle-specific performance upgrade with clear fitment and product-focused details.