Product Description
GM 6.0L LY6 / L96 OEM Exhaust Manifold Set - 12686302 (Right) & 12686303 (Left) – New Take-Off
Fits 2007–2020 GM 6.0L LY6 & L96 Gen IV Engines | Genuine OEM Manifolds with Flange Studs
Restore factory performance and reliability with this genuine GM OEM exhaust manifold set for 6.0L LY6 and L96 Gen IV engines. These are authentic new take-off manifolds removed from brand-new GM engines—never used, zero miles, and in excellent condition. Each set includes both the left and right manifolds (PN 12686302 & 12686303) along with exhaust flange studs. Ideal for direct OEM replacement, fleet service repairs, or LS/L96 engine swap projects demanding original equipment quality and fitment.
Key Features
- Genuine GM OEM Components: Authentic new take-off exhaust manifolds sourced directly from GM 6.0L engines—never used, zero-mile condition.
- Complete Manifold Set: Includes both left-hand (12686303) and right-hand (12686302) manifolds with factory-installed exhaust flange studs for easy installation.
- Precision Fitment: Designed specifically for LY6 and L96 Gen IV 6.0L engines used in a variety of GM trucks, SUVs, and commercial chassis vehicles.
- Durable OEM Cast Construction: Built to handle heavy-duty heat cycles, providing excellent sealing and long service life compared to aftermarket replacements.
- Perfect for Replacements or Swaps: Ideal for fleet maintenance, stock rebuilds, or LS/L96 swap projects requiring true OEM quality and alignment.
Key Fitments
- Engines: GM 6.0L LY6 and L96 Gen IV V8 engines (Iron Block Truck Applications).
- Platforms:
Chevrolet Express 2500 (2016–2020), Express 3500 (2008–2020), Express 4500 (2010–2020), Silverado 2500HD (2007–2019), Silverado 3500HD (2007–2019), Suburban (2016–2019);
GMC Savana 2500 (2016–2020), Savana 3500 (2008–2020), Savana 4500 (2010–2020), Sierra 2500HD (2007–2019), Sierra 3500HD (2007–2019). - Notes: Sold as a matched OEM left and right manifold set. Includes factory exhaust flange studs. Fits 6.0L LY6/L96 Gen IV engines only. Not compatible with 4.8L, 5.3L, or LS car applications.
