A-Premium Exhaust Manifold Kit for 2.4L DOHC 4Cyl (2015–2017 Equinox/Terrain) — Cast Iron with Gaskets & Hardware

The A-Premium DOHC 4Cyl 2.4L Exhaust Manifold Kit is a direct-fit cast-iron replacement that includes gaskets and mounting hardware to restore proper exhaust flow for select 2015–2017 Chevrolet Equinox and GMC Terrain 2.4L engines.

This complete manifold kit supplies the core components you need when replacing a worn or cracked exhaust manifold on compatible Equinox and Terrain models. Engineered as a standard-grade replacement, the cast-iron manifold resists high temperatures, minimizes warping, and ships with the essential flange gasket, manifold gasket, nuts, and bolts so installation is straightforward for a professional mechanic or an experienced DIYer. Verify fitment against your vehicle’s emissions code and part numbers before purchase.

Which vehicles will this manifold kit fit?

This manifold is made for 2.4L DOHC inline-four engines in specific Chevrolet Equinox and GMC Terrain model years. It excludes vehicles equipped with the NU6 emission option (California emissions / PZEV). Always cross-check part references and your VIN to confirm compatibility.

• Compatible: Chevrolet Equinox 2015 L4 2.4L, Equinox 2016–2017 L4 2.4L.
• Compatible: GMC Terrain 2015 L4 2.4L, Terrain 2016–2017 L4 2.4L.
• Not compatible with vehicles that have RPO code NU6 (California emissions/PZEV).
• Reference numbers: 674-773, 674773, 12672285, 12656404 — use these to confirm match.

What components come in the kit and what materials are used?

The kit includes the exhaust manifold itself plus the gaskets and hardware needed for a standard installation. The manifold is cast iron, chosen for durability in high temperature conditions, while the package contains the essential fasteners to secure the part to the cylinder head and exhaust flange.

• Included: 1x exhaust manifold, 1x manifold gasket, 1x flange gasket, 3x nuts, 3x bolts.
• Material: Cast iron for heat resistance and reduced distortion over time.
• Finish/color: Natural cast-iron appearance as shipped.
• Packaging: Reinforced box to protect components during transit.

How does this replacement manifold affect engine performance and durability?

Replacing a damaged manifold with a correct-fit unit helps restore proper exhaust routing and reduces leaks that can impair engine efficiency. The cast-iron construction is selected to withstand thermal cycles and curb warping, supporting long-term sealing and stable operation when installed correctly.

• Reduces exhaust leaks that cause poor idle or decreased efficiency.
• Casting resists heat and corrosion for sustained service life.
• Direct-replacement design aligns with factory mounting points for reliable sealing.
• Includes gaskets and hardware to simplify the replacement process.

What warranty and customer support does A-Premium provide?

A-Premium stands behind this manifold with a one-year unlimited-mileage guarantee, demonstrating coverage against defects in materials and workmanship. Customer service can help with fitment questions or warranty steps—provide the reference numbers and vehicle details to speed assistance.

• One-year unlimited-mileage guarantee for manufacturing defects.
• Support available for fitment verification and post-purchase questions.
• Recommendation: verify compatibility using the part numbers and your vehicle information before ordering.
• Wide selection of related automotive parts available from the same brand.

Who is this for: This exhaust manifold kit is intended for owners of compatible 2015–2017 Chevrolet Equinox and GMC Terrain models (2.4L DOHC engines) who need a dependable, direct-replacement manifold. It suits mechanics and skilled DIY enthusiasts replacing a cracked or leaking manifold who want cast-iron durability and a package that includes gaskets and hardware for a straightforward installation. Confirm your vehicle’s emission code and compare the listed reference numbers before purchasing to ensure fitment.