Description
Product Overview
The ATUOTPO Heater Hose Connector is engineered from high‑quality plastic to deliver corrosion resistance and long‑term durability. Featuring a 0.49 inch NPT threaded fitting, it matches the OEM specifications for Mazda 3 CX‑7, CX‑9, and related models (2007‑2013). Weighing only 0.16 kg, its compact dimensions (3.94 x 2.64 x 2.05 inches) make storage and handling effortless. The connector is compatible with part numbers B37F61240 and B37F‑61‑240, ensuring a perfect replacement without modifications.
Usage
Designed for automotive heater hose systems, this connector excels in both cold‑weather climates and everyday driving conditions. Install it in the engine compartment to restore proper coolant flow to the cabin heater, improving passenger comfort. Ideal for DIY repairs, professional workshops, and fleet maintenance, it serves anyone needing a quick, reliable fix for overheating or insufficient heat issues.

Why Choose Us
ATUOTPO combines rigorous testing with precision molding to guarantee a leak‑free seal. Each unit undergoes dimensional verification and material integrity checks, delivering consistency across batches. Our dedicated customer service team provides technical support and fast shipping, ensuring you receive the correct part promptly and with confidence.
Key Features
- Exact 0.49 inch NPT thread for seamless OEM fit
- Durable plastic construction resists corrosion and heat
- Lightweight design reduces overall vehicle weight
- Compatible with Mazda 3 CX‑7, CX‑9 (2007‑2013) models
- Easy installation saves labor time and cost
FAQ
Is this connector compatible with other Mazda models?
It is specifically sized for Mazda 3 CX‑7 and CX‑9 from 2007 to 2013. For other models, verify the thread size and part number before purchase.
Can I install the connector without special tools?
Yes, a standard NPT wrench or socket is sufficient to tighten the fitting securely.
What is the warranty on this product?
ATUOTPO offers a one‑year limited warranty covering manufacturing defects.
Does the plastic material affect heat resistance?
The high‑grade polymer is rated for typical engine compartment temperatures and maintains its shape under normal operating conditions.
How do I ensure a leak‑free installation?
Clean the mating surfaces, apply a suitable thread sealant if desired, and tighten the connector to the manufacturer’s torque specification.







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