{"title":"Caterpillar Parts","description":"\u003cp\u003eHigh-flow stainless exhaust manifolds for Caterpillar C15, C16, and 3406E heavy-duty diesels.\u003c\/p\u003e\n\u003ch2\u003eManifolds Built for Heavy CAT Diesels\u003c\/h2\u003e\n\u003cp\u003eThe big CAT diesels live under extreme heat, pressure, and constant vibration, and the OE manifolds fatigue and crack — warping, center-divider failure, and exhaust leaks. These high-flow stainless (and HSMD) manifolds use stronger material, larger ports, and a leak-resistant design that resists the cracking and warping that kills the factory casting, while improving flow.\u003c\/p\u003e\n\u003ch3\u003eFits these engines\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCaterpillar 3406E \/ C15 \/ C16 — high-flow stainless exhaust manifolds\u003c\/li\u003e\n  \u003cli\u003e2004.5–2010 CAT (ACERT-era) — stainless high-flow manifold\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy do CAT C15 and 3406E manifolds crack?\u003c\/strong\u003e\u003cbr\u003eExtreme heat, exhaust pressure, and constant vibration in heavy on-highway use fatigue the OE casting — you get warping, center-divider failure, and exhaust leaks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's better about a high-flow stainless manifold?\u003c\/strong\u003e\u003cbr\u003eStronger stainless or HSMD construction with larger ports and a leak-resistant design resists the cracking and warping that kills OE manifolds — and it flows better.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat engines does this fit?\u003c\/strong\u003e\u003cbr\u003eCAT 3406E, C15, and C16 (including ACERT-era). Match your engine on the product page.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this for trucks or equipment?\u003c\/strong\u003e\u003cbr\u003eThese are the heavy CAT diesels common in on-highway trucks and swaps. Get the right part the first time.\u003c\/p\u003e","products":[{"product_id":"stainless-steel-high-flow-exhaust-manifold-for-cat-c15-c16-3406e-146-9445","title":"Stainless Steel HIGH FLOW Exhaust Manifold for CAT C15 C16 3406E 146-9445","description":"\u003cp\u003eThe Stainless Steel High Flow Exhaust Manifold for CAT C15, C16, and 3406E engines replaces OEM part number 146-9445 and is designed for commercial diesel trucks, heavy-duty equipment, and high-mileage engine applications. Built from stainless steel for excellent durability and heat resistance, this high flow exhaust manifold provides 20% increase in airflow over stock to help improve exhaust flow, reduce restriction, and support turbo efficiency.\u003c\/p\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1994–2004 Caterpillar 3406E — 14.6L displacement\u003c\/li\u003e\n  \u003cli\u003e1999–2004 Caterpillar C15 — 14.6L displacement\u003c\/li\u003e\n  \u003cli\u003e1999–2002 Caterpillar C16 — 15.8L displacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless steel construction for rust and heat resistance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Single turbo, T6 turbocharger flange\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAirflow Improvement:\u003c\/strong\u003e 20% increase in airflow over stock\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEGT Reduction:\u003c\/strong\u003e 75–100 degree cooling of exhaust gas temperatures\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 39 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Dimensions:\u003c\/strong\u003e 44″ W × 10″ H × 8″ L\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTurbo Mount:\u003c\/strong\u003e Ball and socket slip joints for excellent sealing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAssembly:\u003c\/strong\u003e Three-piece design with dual end sections and center section\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e One-year coverage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eDirect fit for OEM mounting locations on single-turbo Peterbilt and Kenworth trucks equipped with CAT 3406E, C15, and C16 engines. Tighten manifold bolts in a crisscross pattern to Caterpillar-specified torque, checking all hardware after initial heat cycles. Professional installation is recommended to ensure proper sealing and gasket compression.\u003c\/p\u003e\n\n\u003cp\u003eCheck local emissions regulations before purchase. Professional installation is recommended.\u003c\/p\u003e\n\n\u003cp\u003eGet the right part the first time.\u003c\/p\u003e","brand":"Performance Parts Factory","offers":[{"title":"Default Title","offer_id":52915764756789,"sku":"CT-245-9304","price":949.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/5036\/3957\/files\/CT-245-9304-1.webp?v=1780004544"},{"product_id":"1-piece-style-cat-c15-single-turbo-exhaust-manifold-for-caterpillar-diesel","title":"1-piece-style Cat C15 Single Turbo Exhaust Manifold for Caterpillar Diesel","description":"\u003cp\u003eThe 1-piece-style Cat C15 Single Turbo Exhaust Manifold is engineered for Caterpillar C15 diesel engines with a single turbo configuration. As a 1-piece manifold design it will never leak and is easy on studs and gaskets. Designed for heavy-duty diesel performance, this manifold restores reliable exhaust sealing, improves exhaust flow consistency, and supports dependable turbocharger operation across commercial trucks, heavy-duty equipment, and high-mileage applications.\u003c\/p\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCaterpillar C15 diesel engines -- single turbo configuration\u003c\/li\u003e\n  \u003cli\u003eSuitable for C15-equipped commercial trucks and heavy-duty equipment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e One-piece construction eliminates leak points and reduces stress on mounting studs and gaskets\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Cast iron or ductile iron construction engineered to withstand extreme exhaust temperatures exceeding 1,200°F during normal operation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Direct replacement for cracked, leaking, or worn factory exhaust manifolds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Restores proper exhaust backpressure and turbocharger efficiency on high-mileage C15 engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eInstallation of the exhaust manifold requires proper gasket sealing and secure fastening to the engine block and turbocharger mounting surface. Professional installation is recommended to ensure precise torque specifications and elimination of exhaust leaks.\u003c\/p\u003e\n\n\u003cp\u003eCheck local emissions regulations before purchase. Professional installation is recommended.\u003c\/p\u003e\n\n\u003cp\u003eGet the right part the first time.\u003c\/p\u003e","brand":"Performance Parts Factory","offers":[{"title":"Default Title","offer_id":52915764855093,"sku":"CT-245-1-4510","price":949.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/5036\/3957\/files\/CT-245-1-4510-1.webp?v=1780005210"},{"product_id":"stainless-steel-high-flow-exhaust-manifold-compatible-with-2004-5-2010-cat-c13-d","title":"Stainless Steel High Flow Exhaust Manifold Compatible with 2004.5-2010 CAT C13 D","description":"\u003cp\u003eThis stainless steel high-flow exhaust manifold for 2004.5–2010 Caterpillar C13 diesel engines reduces exhaust restriction and supports improved turbo efficiency. The design is pressure fitted to eliminate leaks, with sharp corners smoothed for better flow. Weight is 29.0 lbs.\u003c\/p\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2004.5–2010 Caterpillar C13 D\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-grade stainless steel construction resists heat and corrosion better than cast iron alternatives\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e High-flow manifold with smoothed interior passages and optimized port geometry to maximize exhaust velocity to the turbocharger\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 29.0 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlow Performance:\u003c\/strong\u003e Pressure fitted construction with smooth, optimized corners reduces turbo lag and improves exhaust flow\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOEM Compatibility:\u003c\/strong\u003e Direct replacement for OEM manifold 250-4409 on C13 Acert engines\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year limited warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eThis manifold is a direct bolt-on replacement. Installation typically requires turbo clamp, spacers, studs, nuts, washers, gaskets, and drain tube assembly. Professional installation is recommended to ensure proper torque specs and gasket sealing are met.\u003c\/p\u003e\n\n\u003cp\u003eCheck local emissions regulations before purchase. Professional installation is recommended.\u003c\/p\u003e\n\n\u003cp\u003eGet the right part the first time.\u003c\/p\u003e","brand":"Performance Parts Factory","offers":[{"title":"Default Title","offer_id":52915764953397,"sku":"CT-247-4510","price":459.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0995\/5036\/3957\/files\/CT-247-4510-1_1.webp?v=1784139377"}],"url":"https:\/\/www.performancepartsfactory.com\/collections\/caterpillar-parts.oembed","provider":"Performance Parts Factory","version":"1.0","type":"link"}