Designed and manufactured right here in-house, the O2 Fabrication Twin Air Compressor Mount for the 5th Gen Toyota 4Runner provides a rock-solid, professional home for your high-output air system. We’ve utilized the space on the passenger side inner fender to create an OEM-plus fitment that keeps your compressor secure, accessible, and high enough to stay out of the mud and engine heat.

The O2 Fabrication Advantage
When you’re mounting the heavy, high-vibration ARB Twin, a flimsy bracket just won’t cut it.

• Corrosion-Resistant Stainless Steel: Unlike many mild-steel mounts that eventually rust in wet conditions, our mount is built from high-grade stainless steel. It’s designed to survive salted BC winters and muddy coastal trails without losing its structural integrity.
• Rock-Solid Stability: We didn't settle for a good enough fit. Our mount uses multiple factory mounting points to ensure the compressor doesn't vibrate against the fender or stress the factory sheet metal.
• Precision In-House Design: Plasma-cut and CNC-bent in our shop, ensuring every bracket meets our strict standards for fit and finish.
• Future-Proof Compatibility: While it’s optimized for the massive ARB Twin Onboard Air Compressors (CKMTA12 / CKBLTA12), it’s also pre-drilled for ARB Single Motor units, making it a versatile foundation for your onboard air build.

Key Features

• 100% Bolt-In Installation: No drilling or permanent modifications to your 4Runner's engine bay.
• Stainless Steel Durability: Built to withstand humidity and road grime.
• OEM-Like Fitment: Tucks neatly into the engine bay for a clean, professional appearance that looks like a factory option.
• Comprehensive Hardware Kit: We provide all the flanged bolts and nuts you need. No hardware store runs required.

Pro Tip: The 5th Gen 4Runner is the ultimate do-everything rig, but airing up 33s or 35s with a single-motor or portable unit takes forever when you're at the end of a long day at the Whipsaw. This mount makes the ARB Twin install a breeze. We specifically used stainless steel because we’ve seen too many painted brackets bubble and rust after just one winter on the Coquihalla.