1. Air Conditioning & Heating - Commercial Truck Parts For Sale.
  2. sku: 10341997821602892
  3. GATES 12259

GATES 12259 Hvac Heater Hose 770075744399

12259 Gates Hvac Heater Molded Hose

( Brand: Gates ), ( Manufacturer Part Number: 12259 ), ( Part Type: Hvac Heater Hose ), ( Product Type: A/c Heating ), ( UPC: 770075744399 ), ( Fitment Type: Vehicle Specific ), ( Partslink Number: 246956 ), ( Compatible Make S : Bmw ), ( Compatible Model S : M6 Gran Coupe, M6, 650i, 650i Xdrive, 640i, 550i Xdrive ), ( Fitnote: With Auxiliary Heater ), ( Product Subtype: Heater Hoses, Pipes ), ( Department: Replacement )

Review GATES Hvac Heater Molded Hose

The Gates 12259 HVAC Heater Hose is a crucial component in your home's heating, ventilation, and air conditioning (HVAC) system. This heater hose is specifically designed to transport coolant or antifreeze from the water pump or cooling system to the heater core, enabling your vehicle or home to maintain optimal temperature during colder months.

This Gates heater hose is constructed using high-quality materials to ensure durability and reliability. The hose is made from a flexible yet robust material, such as rubber or a synthetic blend, which can withstand the pressure and temperature fluctuations that come with the HVAC system's operation. The hose's inner lining is typically reinforced with a layer of either spiral-wound or braided stainless steel to prevent corrosion and ensure resistance to the effects of coolant or antifreeze.

Additionally, the Gates 12259 HVAC Heater Hose features reinforced ends, commonly referred to as "barbs," which securely attach the hose to the water pump and heater core. These barbs are engineered to provide a tight seal, minimizing the potential for leaks or coolant loss.

The hose's outer layer is often coated with a layer of heat-resistant material to protect it from the high temperatures generated by the heater core. This coating also helps to prevent damage from UV rays and other environmental factors, ensuring a longer hose life.

The Gates 12259 HVAC Heater Hose comes in various lengths to accommodate different HVAC system configurations. The hose's diameter is typically standardized to ensure compatibility with various water pumps and heater cores. It's essential to choose the correct hose length and diameter for your specific HVAC application to ensure proper system function and prevent potential issues.

When installing the Gates 12259 HVAC Heater Hose, it's important to follow the manufacturer's instructions carefully. Proper installation ensures a secure connection, preventing potential leaks and coolant loss. Always check the hose for any signs of damage, such as cracks or leaks, before and after installation. Regular inspections and maintenance are crucial for maintaining the longevity and performance of your HVAC system and the Gates 12259 HVAC Heater Hose.

Pros and Cons of Buying a Gates 12259 HVAC Heater Hose

The Gates 12259 HVAC heater hose is a commonly used replacement part for heating and cooling systems. This hose is known for its durability and resistance to high temperatures. However, like any other product, it has its advantages and disadvantages. In this analysis, we will discuss the pros and cons of buying a Gates 12259 HVAC heater hose.

Pros:

1. Durability: The Gates 12259 HVAC heater hose is made from high-quality materials that can withstand the harsh conditions of an HVAC system. It is designed to resist cracking, leaking, and other forms of damage, ensuring reliable performance for an extended period.

2. Temperature Resistance: This hose is specifically engineered to operate in high-temperature environments. It can handle temperatures up to 250 degrees Fahrenheit, making it a popular choice for HVAC systems that require robust heating components.

3. Flexibility: Despite its high-temperature capabilities, the Gates 12259 HVAC heater hose remains flexible. This flexibility makes it easier to install and maneuver in tight spaces, reducing the likelihood of damage during installation.

4. Wide Application: This hose is suitable for a wide range of HVAC systems, including residential, commercial, and industrial applications. Its versatility makes it a go-to choice for HVAC professionals and DIY enthusiasts alike.

Cons:

1. Cost: The Gates 12259 HVAC heater hose is more expensive than some other hose options on the market. However, its superior durability and temperature resistance justify the investment for many customers.

2. Installation: Installing the Gates 12259 HVAC heater hose may require some technical knowledge and skills. If you are not experienced in HVAC system repairs, it is recommended to hire a professional to ensure proper installation and prevent potential complications.

3. Limited Length Options: The Gates 12259 HVAC heater hose is available in various lengths. However, it may not be the best choice for systems that require longer hoses. In such cases, other hose options may offer more flexibility in terms of length.

Conclusion:

The Gates 12259 HVAC heater hose is an excellent investment for those seeking a high-quality, durable, and temperature-resistant hose for their HVAC system. Its durability, flexibility, and wide application make it a popular choice among HVAC professionals and enthusiasts. Although it comes with a higher price tag and may require professional installation, the benefits it offers in terms of performance and reliability are well worth the investment.

Recommendation:

If you are in the market for a new HVAC heater hose and require a hose that can withstand high temperatures and harsh conditions, the Gates 12259 HVAC heater hose is an excellent choice. Its superior durability, flexibility, and wide application make it a reliable and versatile option for various HVAC systems. While it may come with a higher cost and require professional installation, the benefits it offers in terms of performance and reliability are well worth the investment.

Details:

Do you recognize the name on box. length : 21.77. Features: Similar to OEM specifications. Specifications: Center line length in: 21.77.

Location: Heater Center. Material: EPDM. HVAC Heater Molded Hose 12259 by Gates. Engineered to resist degradation - the leading cause of hose failure.

Size: 0.66 x. And how do you know if you re getting the best price. Gates recommends replacing standard worm drive and spring loaded clamps with Power Grip R SB Clamps each time a new coolant hose is installed. Has all the quality features of Gates Molded Coolant Hose.

Gates molded heater hose is manufactured to fit specific applications.

part #: 12259 prices

  • $27.07-$42.95

specifications aiconditioni:

  • brand: Gates
  • mpn: 12259
  • part type: Hvac Heater Hose
  • product type: A/c Heating
  • upc: 770075744399
  • fitment type: Vehicle Specific
  • partslink number: 246956
  • compatible make s : Bmw
  • compatible model s : M6 Gran Coupe, M6, 650i, 650i Xdrive, 640i, 550i Xdrive
  • fitnote: With Auxiliary Heater
  • product subtype: Heater Hoses, Pipes
  • department: Replacement

offer aiconditioni:

  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • quantity: 2
  • started: April 8, 2026

payments aiconditioni:

  • wallet: Google-pay
  • other
  • credit card: Visa

shipping aiconditioni:

  • type: Calculated
  • transit: 2-6 Days
  • service: FedEx Ground / FedEx Home Delivery
  • class: Standard
  • carrier: FedEx
  • cost: $22.82

general aiconditioni:

  • condition: New
  • Commercial Truck Parts > Air Conditioning Heating > A/C Hoses Fittings

returns aiconditioni:

  • paid by: Seller
  • policy: Returns Accepted
  • time: 30 Days

seller aiconditioni:

  • city: Rockville Centre, New York
  • # reviews: 154334
  • rating: 99.1%
part type: hvac heater hose, product type: a/c heating, fitment type: vehicle specific, partslink number: 246956, compatible make s: bmw, compatible model s: m6 gran coupe, m6, 650i, 650i xdrive, 640i, 550i xdrive, fitnote: with auxiliary heater, product subtype: heater hoses, pipes, department: replacement,
category: auto parts > commercial truck parts > air conditioning heating > a/c hoses fittings, sku: 10341997821602892,
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5 offers $27.07–$42.95 USD
  • New. Offer #1 priced at $39.99 + $0.00 shipping estimate = $39.99* total. Gates - Driven By Possibility. Gates HVAC Heater Hose.FREE SHIPPING
  • New. Offer #2 priced at $27.07 + $22.82 shipping estimate = $49.89* total. Gates recommends replacing standard worm drive and spring loaded clamps with Gates PowerGrip(R) SB Clamps each time a new coolant hose is installed. HVAC Heater Molded Hose ( ) by Gates .+$22.82 shipping
  • New. Offer #3 priced at $42.95 + $0.00 shipping estimate = $42.95* total. Gates stands out through proven OE quality, continuous innovation, advanced materials, and rigorous testing Gates is a trusted global leader in the automotive aftermarket, known for delivering high-quality replacement parts such as belts, hoses, and timing kits that meet or exceed OE standards.FREE SHIPPING
  • New. Offer #4 priced at $29.96 + $0.00 shipping estimate = $29.96* total. 2012-2014 BMW 528i xDrive 2.0L L4 GAS. Manufacturer Part Number: .FREE SHIPPING
  • New. Offer #5 priced at $45.95 + $0.00 shipping estimate = $45.95* total. FREE SHIPPING

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