4 Pack Cooling Heater Water Hose Connector D651-61-240 D65161240 with Clamps, Replace Heater Pipe for Mazda 2 3 5 6 CX-7 CX-9 2004-2013, PA66+ABS Direct Fit

Keep your Mazda’s cabin warm and cooling system leak‑free with our 4‑pack cooling heater water hose connector kit. This set is a direct replacement for original part numbers D651-61-240 / D65161240, designed for Mazda 2, 3, 5, 6, CX‑7, and CX‑9 models built between 2004 and 2013. Why replace? Over time, the factory plastic connectors may become brittle due to repeated heat cycles. Signs of a failing connector include: Coolant puddles under the dashboard or near the firewall Weak or no heat from vents when the engine is warm Sweet smell of antifreeze inside the cabin Engine overheating due to coolant loss Replacing a cracked heater hose connector helps avoid more extensive cooling system repairs. Connector construction These connectors are injection‑molded from PA66 nylon – a material that withstands high engine bay temperatures and resists chemical corrosion. The included ABS retaining clips help secure the hoses in place. Each connector is inspected before packing to ensure a proper seal. Installation steps: Locate the failed connector (follow heater hoses from the firewall). Drain a small amount of coolant into a pan. Remove the old connector (cut the hose if needed). Slide the yellow clamp onto the hard pipe, then attach the new connector. Refill coolant and bleed air from the system. Package includes: 4 water hose connectors + 4 yellow retaining clips. This product is an aftermarket replacement part designed for compatibility with Mazda vehicles. All trademarks are property of their respective owners. This product is not affiliated with or endorsed by Mazda.

• 【4-Pack Cooling Heater Water Hose Connector Set】 This 4-pack includes four cooling heater water hose connectors with retaining clips. Each connector matches OEM specifications for part numbers D651-61-240 / D65161240. Four pieces allow replacement of multiple connectors on the same vehicle or serve as spares for future use.
• 【Restores Heater Function – Fixes Leaks & No Cabin Heat】 A cracked or worn heater hose connector may cause coolant leaks, low cabin heat, or engine overheating. This replacement part connects the heater core to the engine, restoring proper coolant flow. Replacing a damaged connector helps bring back consistent cabin heating and prevents further cooling system issues.
• 【PA66 + ABS Construction – Heat & Corrosion Resistant】 Made from PA66 nylon with ABS retaining clips, these connectors resist heat, wear, and corrosion under engine bay conditions. The material strength exceeds ordinary plastics, providing a durable solution for your Mazda’s cooling system. Each connector includes a secure clip to maintain a tight seal.
• 【Precise Fit for Mazda 2004-2013 Models】 Engineered to OEM dimensions, this cooling water hose connector fits: Mazda 2 DE (2007-2010) Mazda 3 BK/BL (2004-2012) Mazda 5 CR/CW (2007-2010) Mazda 6 GG/GH (2008-2012) Mazda CX-7 (2007-2012) Mazda CX-9 (2007-2013) Confirm your original part number matches D651-61-240 before purchase.
• 【Simple Installation – Basic Hand Tools】 Locate the damaged connector (typically near the firewall). Remove the old connector, clean hose ends, then push the new connector into place. For hard plastic pipes, first slide the included yellow clamp onto the pipe. Replace both connectors for full cooling system health.