Freeze Coolant Bypass Kit For 2003-2007 Dodge Ram 5.9L 2007.5-2018 Cummins 6.7L

Description

Freeze Coolant Bypass Kit For 2003-2007 Dodge Ram 5.9L 2007.5-2018 Cummins 6.7L 🔧 Freeze Coolant Bypass Kit – For 2003–2007 Dodge Ram 5.9L Cummins (Manual Trans) & 2007.5–2018 6.7L Cummins 🔧 【Aluminum/Steel Build + AN Fittings】Fixes Rear Cylinder Coolant Flow & Prevents Freeze Plug Failure (90-Day Warranty + 30-Day Free Return) 1. Core Features 🔹 Exact Fit for Dodge Ram Cummins Engines (2003–2018) Engineered exclusively to solve the critical coolant flow issue in 5.9L and 6.7L Cummins diesel engines—no universal adapters needed. Compatible with: 2003–2007 Dodge Ram : 5.9L Cummins ( manual transmission only ; automatic models require a different kit). 2007.5–2018 Dodge Ram : 6.7L Cummins (works with both manual and automatic transmissions). Critical Note : Vehicle compatibility charts are for reference only—confirm your engine (5.9L/6.7L) and transmission type (manual/automatic for 5.9L) before ordering to avoid fitment issues. 🔹 Solves Cummins’ #1 Cooling System Flaw: Rear Cylinder Overheating 5.9L/6.7L Cummins engines have a factory design flaw: insufficient coolant flow to the rear cylinders (5 & 6) . This causes: Extreme temperature imbalance (rear cylinders run 20–40°F hotter than front cylinders). Excessive pressure buildup in the rear of the engine block. Catastrophic failure: Blowout of freeze plugs (external or under the valve cover), leading to coolant leaks, overheating, and costly engine damage. This bypass kit fixes the root cause with a temperature-activated secondary thermostat (unlike pressure-based kits that only react to problems). It diverts coolant to the rear cylinders before pressure spikes, ensuring consistent temperatures across all 6 cylinders. 🔹 Premium Materials – Leak-Free Durability Built with heavy-duty components to withstand Cummins’ high engine temperatures and vibration: Aluminum & solid steel construction : Thermostat housing, riser block, and brackets are made from corrosion-resistant aluminum (anodized black) and solid steel—no plastic parts that crack or warp. AN o-ring fittings & braided hose : The included braided coolant hose and AN o-rings create a 100% leak-free seal (unlike factory rubber hoses that degrade over time). Resists coolant, oil, and diesel fuel. Black anodized finish : Adds a layer of protection against rust, oxidation, and road salt—maintains performance in harsh conditions (e.g., winter driving, off-roading). 🔹 Boosts Engine Performance & Longevity By fixing coolant flow, the kit delivers tangible benefits for your Cummins: Lower rear cylinder temps : Reduces heat stress on pistons, head gaskets, and valves—extends engine life by 2–3x. Prevents pressure damage : Eliminates freeze plug blowouts and cracks in the rear block (a $1,000+ repair). Consistent cooling : Ensures all cylinders operate at the same temperature, improving fuel efficiency by 1–2 MPG and reducing exhaust emissions. Reliable for heavy use : Ideal for towing, hauling, or off-roading—keeps coolant temps stable even under maximum load. 🔹 Complete Kit – No Missing Parts (6-Step DIY Install) The kit includes all components needed for installation (no need to source hardware separately): Coolant hose (braided) Thermostat housing + o-ring Thermostat riser block + o-ring 2 hose fixing brackets 6 mounting bolts (M8x1.25, M6x1.00, M12x1.75) Install in 2–3 hours with basic hand tools (socket set, wrench, scouring pad) – no welding or machining required. Follow the step-by-step guide: Drain coolant from the radiator and rear engine plug. Clean the rear plug hole, then install the thermostat housing (with o-ring) and bolt it down. Attach the braided hose to the housing, then connect the riser block to the other end of the hose. Mount the riser block to the front thermostat (non-o-ring side down). Reinstall the stock thermostat and secure with the included bolts. Adjust the hose position and secure with the 2 fixing brackets. 2. Technical Specifications Parameter Category Detailed Specifications Condition 100% Brand New Product Type Freeze Coolant Bypass Kit (for Cummins 5.9L/6.7L) Compatible Vehicles 2003–2007 Dodge Ram 5.9L Cummins (manual trans); 2007.5–2018 Ram 6.7L Cummins (manual/automatic) Material Aluminum (anodized black), solid steel, braided polyester hose, AN o-rings Color Black (anodized finish on aluminum/steel components) Key Component Temperature-activated secondary thermostat (vs. pressure-based designs) Included Hardware 1x braided hose, 1x thermostat housing, 1x riser block, 2x brackets, 6x mounting bolts Installation Time 2–3 hours Tools Needed Socket set, wrench, scouring pad, coolant drain pan Warranty 90-Day Warranty (covers defects in material/workmanship); 30-Day Free Return Shipping Origin CA or NJ warehouses (based on delivery address) 3. Package Included 1 × Braided Coolant Hose 1 × Aluminum Thermostat Housing (with o-ring) 1 × Steel Thermostat Riser Block (with o-ring) 2 × Coolant Hose Fixing Brackets 2 × M8x1.25 Socket Head Cap Screws (20mm) 3 × M6x1.00 Flange Head Bolts (60mm) 1 × M12x1.75 Flange Head Bolt (40mm) (All components as shown in product images) 4. Important Notes Installation Tips Drain coolant properly : Disconnect the battery before starting, and collect old coolant in a pan for proper disposal (do not pour down drains). Clean the rear plug hole : Use a scouring pad to remove rust or debris—this ensures the thermostat housing seals tightly. Refill with 50/50 coolant : After installation, use a 50/50 mix of antifreeze and distilled water (Cummins-recommended) to prevent corrosion and freezing. Bleed the cooling system : Run the engine with the radiator cap off to release air bubbles—this avoids overheating from air locks. Compatibility Checks 5.9L Cummins : Only fits manual transmissions (automatic 5.9L models have different coolant routing). 6.7L Cummins : Works with all 2007.5–2018 models (manual and automatic), but confirm your Ram’s production year (2007.5 = mid-year update). After-Sales Support Order Cancellations : Contact the seller ASAP if you purchase by mistake—cancel before shipping, or refuse delivery to initiate a return. Defects/Fitment : If parts are missing, brackets don’t align, or leaks occur: Contact the seller first (before leaving feedback) – all issues are resolved within 24 hours. Provide photos of your engine bay for faster assistance. Shipping Restriction : Does not ship to Puerto Rico—confirm your address before ordering. A critical upgrade for any Dodge Ram Cummins! This coolant bypass kit fixes the factory design flaw, prevents expensive engine damage, and keeps your truck running reliably for years. 🚛