Description
Product Overview
The A Premium AC refrigerant hose, model APACH277, is a precision‑engineered component designed to replace the original air‑conditioning suction hose in a range of Dodge Ram pickups. Constructed with a four‑layer architecture, the hose combines an inner fluoropolymer barrier, a reinforced nylon braid, a protective polymer sheath, and an outer abrasion‑resistant jacket. This multi‑layer build provides exceptional resistance to high‑temperature exposure, chemical corrosion, and mechanical stress, ensuring a long service life even under the most demanding operating conditions.
Measuring 15.98 x 7.4 x 2.76 inches and weighing just over a pound, the hose fits seamlessly into the factory‑specified routing channels. It carries the OEM part numbers HA‑11447C, 55057044AA, 55057044AB, 55057044AC, 34‑63897, T56814, and 3463897, guaranteeing a direct fit without the need for modifications. The hose is compatible with the 5.7L V8 engine platform found in 2003‑2005 Ram 1500 models as well as the 2003‑2004 Ram 2500 and 3500 trucks, making it a versatile solution for a broad segment of the Dodge lineup.
![[Product front view showing all components]](https://www.oasisgo.store/wp-content/uploads/2026/06/8a67306b73d74575a2b8da1a8c5379e2.jpg)
Usage
Designed for both professional mechanics and DIY enthusiasts, this refrigerant hose excels in a variety of real‑world scenarios. Whether you are restoring a vehicle that has suffered from a cracked or collapsed hose, upgrading an aging HVAC system, or performing a routine maintenance service, the APACH277 delivers reliable performance. The hose’s flexible yet robust construction allows it to be routed through tight engine bays, under the dashboard, and around suspension components without kinking or binding.
Because the hose is engineered to handle the full operating temperature range of modern automotive air‑conditioning systems, it performs equally well in scorching summer climates and frigid winter environments. Its resistance to oil, coolant, and refrigerant exposure means it will not degrade when in contact with other engine fluids, preserving the integrity of the cooling circuit. The product is also suitable for aftermarket installations on custom‑built trucks where OEM specifications are required to meet emissions and safety standards.
Why Choose Us
A‑Premium stands behind every component with a one‑year unlimited‑mileage guarantee, reflecting confidence in the durability and craftsmanship of the APACH277 hose. Our manufacturing process adheres to strict quality‑control protocols, including ultrasonic testing of each hose segment to detect any internal defects before shipment. This rigorous inspection ensures that every customer receives a product that meets or exceeds OEM performance criteria.
In addition to the guarantee, we provide dedicated after‑sales support staffed by experienced technicians who can assist with installation guidance, fitment verification, and troubleshooting. Our commitment to customer satisfaction extends to fast shipping, easy returns, and a comprehensive knowledge base that covers common HVAC issues and best‑practice repair techniques.
Choosing the A‑Premium refrigerant hose means investing in a component that not only restores your vehicle’s cooling efficiency but also protects the surrounding engine components from potential damage caused by hose failure. The four‑layer design distributes stress evenly, reducing the likelihood of cracks and leaks that could lead to costly repairs down the line.
Key Features
- Four‑layer construction delivers superior durability and temperature resistance.
- Exact OEM fit for Dodge Ram 1500, 2500, and 3500 models eliminates installation hassle.
- Resists oil, coolant, and refrigerant exposure for long‑term reliability.
- Restores optimal HVAC performance, improving cabin comfort and system efficiency.
- One‑year unlimited‑mileage guarantee backed by responsive customer support.
FAQ
What vehicles are compatible with the APACH277 hose?
The hose is compatible with Dodge Ram 1500 (2003‑2005), Ram 2500 (2003‑2004), and Ram 3500 (2003‑2004) trucks equipped with the 5.7L V8 engine. It matches multiple OEM part numbers, ensuring a direct replacement without modifications.
How does the four‑layer design improve performance?
The inner fluoropolymer barrier prevents refrigerant leakage, the nylon braid adds structural strength, the polymer sheath protects against abrasion, and the outer jacket resists heat and chemical exposure. Together these layers provide a hose that can withstand extreme temperatures and pressures while maintaining flexibility.
Is professional installation required?
While professional installation is recommended for optimal results, the hose is designed for straightforward DIY replacement. Detailed installation instructions are included, and our support team is available to answer any questions during the process.
What warranty does A‑Premium offer?
A‑Premium provides a one‑year unlimited‑mileage warranty that covers any manufacturing defects. If the hose fails within the warranty period, we will replace it at no additional cost.
Can this hose be used in aftermarket HVAC upgrades?
Yes, the APACH277 meets OEM specifications, making it suitable for both factory repairs and aftermarket upgrades where a reliable, high‑quality refrigerant hose is required.




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