{"product_id":"ppe-modified-coolant-tube-116111810-2007-5-2010-6-6l-duramax-lmm","title":"PPE MODIFIED COOLANT TUBE 116111810 | 2007.5-2010 6.6L Duramax LMM","description":"\u003cp\u003eThe PPE 116111810 Modified Coolant Tube is specifically designed for 2007.5–2010 GM 6.6L Duramax LMM applications equipped with PPE High-Flow Exhaust Manifolds and Up-Pipes. Engineered to provide the necessary clearance around the upgraded exhaust components, this coolant tube eliminates fitment concerns commonly encountered during installation.\u003c\/p\u003e\n\u003cp\u003eEach tube is professionally modified by PPE fabricators through a process of cutting, repositioning, and welding to ensure proper routing and clearance. The coolant tube continues to perform its critical function of supplying coolant to the heater core, maintaining proper operation of the vehicle's HVAC system.\u003c\/p\u003e\n\u003cp\u003eFor convenience, this coolant tube includes a new O-ring seal for installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModified coolant tube for additional exhaust system clearance\u003c\/li\u003e\n\u003cli\u003eDesigned for use with PPE High-Flow Exhaust Manifolds and Up-Pipes\u003c\/li\u003e\n\u003cli\u003eProfessionally cut, repositioned, and welded by PPE\u003c\/li\u003e\n\u003cli\u003eMaintains proper coolant flow to the heater core\u003c\/li\u003e\n\u003cli\u003eIncludes O-ring seal\u003c\/li\u003e\n\u003cli\u003eDirect-fit solution for PPE manifold and up-pipe installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2007.5–2010 Chevrolet Silverado 2500HD\/3500HD 6.6L Duramax LMM\u003c\/li\u003e\n\u003cli\u003e2007.5–2010 GMC Sierra 2500HD\/3500HD 6.6L Duramax LMM\u003c\/li\u003e\n\u003cli\u003eFor use with PPE High-Flow Exhaust Manifolds and Up-Pipes\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Pacific Performance Engineering","offers":[{"title":"Default Title","offer_id":52394877288731,"sku":"116111810","price":179.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/5757\/3147\/files\/Screenshot2026-06-24at9.55.32AM.png?v=1782320385","url":"https:\/\/wwmperformance.com\/products\/ppe-modified-coolant-tube-116111810-2007-5-2010-6-6l-duramax-lmm","provider":"WWM Performance","version":"1.0","type":"link"}