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Parts for your 2020 Holden Astra-Heater hose

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Repco Brake & Fuel Line Clamp - RST196

Repco Brake & Fuel Line Clamp - RST196

$14
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Gates Heater Hose Elbow Conn. 5/8In 16mm - 28624EA

Gates Heater Hose Elbow Conn. 5/8In 16mm - 28624EA

$11
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Gates Heater Hose Adaptor 3/4in 19 mm 5pk - 28605

Gates Heater Hose Adaptor 3/4in 19 mm 5pk - 28605

$19
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Gates Heater Hose Elbow Conn. 3/8In 9.5mm - 28622EA

Gates Heater Hose Elbow Conn. 3/8In 9.5mm - 28622EA

$8
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Gates Heater Hose Elbow Conn. 5/8In 16mm 5pk - 28624

Gates Heater Hose Elbow Conn. 5/8In 16mm 5pk - 28624

$82
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Gates Heater Hose Connector Assortment Kit - 91177

Gates Heater Hose Connector Assortment Kit - 91177

$561
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Gates Heater Hose Connector Kit - 91175

Gates Heater Hose Connector Kit - 91175

$664
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Gates Heater Hose Elbow Conn. 3/4in 19mm - 28625EA

Gates Heater Hose Elbow Conn. 3/4in 19mm - 28625EA

$13
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Gates Heater Hose Elbow Conn. 1/12in 13mm - 28623EA

Gates Heater Hose Elbow Conn. 1/12in 13mm - 28623EA

$8
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Gates Heater Hose Adaptor 5/8In 16mm 5pk - 28604

Gates Heater Hose Adaptor 5/8In 16mm 5pk - 28604

$35
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Gates Heater Hose Elbow Conn. 1/4in 6mm - 28621EA

Gates Heater Hose Elbow Conn. 1/4in 6mm - 28621EA

$9
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Gates Heater Hose Adaptor 5/32In 4mm 5pk - 28563

Gates Heater Hose Adaptor 5/32In 4mm 5pk - 28563

$54
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Gates Heater Hose Adaptor 1In 25.4mm 5pk - 28606

Gates Heater Hose Adaptor 1In 25.4mm 5pk - 28606

$22
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Gates Heater Hose Adaptor 1/4In 6mm 5pk - 28601

Gates Heater Hose Adaptor 1/4In 6mm 5pk - 28601

$28
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Gates Heater Hose Elbow Conn. 3/16In 5mm - 28574EA

Gates Heater Hose Elbow Conn. 3/16In 5mm - 28574EA

$25
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Gates Heater Hose Adaptor 1/8In 3mm 5pk - 28562

Gates Heater Hose Adaptor 1/8In 3mm 5pk - 28562

$28
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Gates Heater Hose Elbow Conn. 3/4in 19mm 5pk - 28625

Gates Heater Hose Elbow Conn. 3/4in 19mm 5pk - 28625

$384
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Gates Heater Hose Elbow Conn. 3/8In 9.5mm 5pk - 28622

Gates Heater Hose Elbow Conn. 3/8In 9.5mm 5pk - 28622

$195
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Gates Heater Hose Elbow Conn. 5/32In 4mm 5pk - 28573

Gates Heater Hose Elbow Conn. 5/32In 4mm 5pk - 28573

$115
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Gates Heater Hose Elbow Conn. 1/4in 6mm 5pk - 28621

Gates Heater Hose Elbow Conn. 1/4in 6mm 5pk - 28621

$67
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Gates Heater Hose Elbow Conn. 1/8in 3mm 5pk - 28572

Gates Heater Hose Elbow Conn. 1/8in 3mm 5pk - 28572

$76
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Gates Heater Hose Elbow Conn. 1/12in 13mm 5pk - 28623

Gates Heater Hose Elbow Conn. 1/12in 13mm 5pk - 28623

$59
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Gates Heater Hose Elbow Conn. 3/32in 2.4mm 5pk - 28571

Gates Heater Hose Elbow Conn. 3/32in 2.4mm 5pk - 28571

$62
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Gates Heater Hose Elbow Conn. 5/16in 8mm 5pk - 28620

Gates Heater Hose Elbow Conn. 5/16in 8mm 5pk - 28620

$56
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Gates Heater Hose Elbow Conn. 1in 25.4mm 5pk - 28626

Gates Heater Hose Elbow Conn. 1in 25.4mm 5pk - 28626

$42
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Gates Heater Hose Elbow Conn. 3/16In 5mm 5pk - 28574

Gates Heater Hose Elbow Conn. 3/16In 5mm 5pk - 28574

$22
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Gates Heater Hose Elbow Conn. 1/8in 3mm - 28572EA

Gates Heater Hose Elbow Conn. 1/8in 3mm - 28572EA

$19
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Gates Heater Hose Elbow Conn. 5/32In 4mm - 28573EA

Gates Heater Hose Elbow Conn. 5/32In 4mm - 28573EA

$17
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Gates Heater Hose Elbow Conn. 3/32in 2.4mm  - 28571EA

Gates Heater Hose Elbow Conn. 3/32in 2.4mm - 28571EA

$13
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Gates Heater Hose Adaptor 3/16In 5mm 5pk - 28564

Gates Heater Hose Adaptor 3/16In 5mm 5pk - 28564

$200
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Gates Heater Hose Adaptor 1/2in 13 mm 5pk - 28603

Gates Heater Hose Adaptor 1/2in 13 mm 5pk - 28603

$33
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Gates Heater Hose Adaptor 5/16In 8mm 5pk - 28600

Gates Heater Hose Adaptor 5/16In 8mm 5pk - 28600

$31
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Gates Heater Hose Adaptor 3/8in 9mm 5pk - 28602

Gates Heater Hose Adaptor 3/8in 9mm 5pk - 28602

$28
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Gates Heater Hose Adaptor 3/32In 2mm 5pk - 28561

Gates Heater Hose Adaptor 3/32In 2mm 5pk - 28561

$26
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Gates Heater Hose Adaptor 3/16In 5mm ea - 28564EA

Gates Heater Hose Adaptor 3/16In 5mm ea - 28564EA

$15
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Repco Heater Tap Valve - RHV4008

Repco Heater Tap Valve - RHV4008

$109
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Tru-Flow Heater Tap Valve - TFT4008

Tru-Flow Heater Tap Valve - TFT4008

$71
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Mackay Heater Tap Valve - Camry 92-97 Lexus - HV3020M

Mackay Heater Tap Valve - Camry 92-97 Lexus - HV3020M

$108
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Repco 3 Pc Hose Pinching Pliers Set - RST234

Repco 3 Pc Hose Pinching Pliers Set - RST234

$44
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Showing 1 - 39 of 43 products

Understanding the Heater Hose in the 2020 Holden Astra

The 2020 Holden Astra, like many modern vehicles, comes equipped with a heating system that relies on several key components to keep the interior cosy during those chilly Australian mornings and winters. One of the often overlooked but crucial parts of this system is the heater hose. If you own or are thinking about servicing a 2020 Holden Astra, it helps to understand what the heater hose does and why regular maintenance or replacement is important to keep the heater functioning smoothly.

Simply put, the heater hose is a flexible rubber tube that carries hot coolant from the engine to the heater core inside the car's dashboard. This hot coolant transfers heat to the heater core, which then blows warm air into the cabin, helping to defog the windscreen and keep passengers comfortable. Without an effective heater hose, the flow of hot coolant would be interrupted, leading to poor cabin heating and potentially causing damage to the engine due to poor heat management.

The 2020 Holden Astra certainly uses heater hoses as part of its heating and cooling system. These hoses are designed to handle high temperatures and pressure from the engine cooling system. Over time, though, heater hoses can get brittle, crack, or develop leaks - which is why regular inspection is a solid idea during a service or whenever the cooling system is checked.

When it comes to maintaining or replacing the heater hose on a Holden Astra, it's good to keep a few pointers in mind:

  • Check for signs of wear and tear. This includes cracks, bulges, or hardening of the hose material which can happen over time due to heat and chemical exposure.
  • Leaks are a key indicator a hose might be failing. If you notice coolant pooling under the car or see steam coming from the dash, a leaking heater hose could be the culprit.
  • Get the hose replaced if any damage is found. Using a genuine or high-quality aftermarket heater hose is crucial to ensure durability and proper fit.
  • During replacement, it's a good idea to inspect the connections and clamps too. Old or loose clamps can cause leaks even if the hose itself is still sound.

Replacing a heater hose on the Holden Astra is often straightforward for a qualified mechanic, but it does involve draining some coolant and carefully removing the old hose without damaging other components under the bonnet. Since the heater hoses run from the engine to the firewall and into the cabin, some disassembly around the engine bay might be needed, depending on the hose routing.

Maintaining the heater hose not only ensures reliable heat in the cabin but also helps keep the engine's temperature stable. A compromised heater hose may lead to loss of coolant, resulting in overheating risks and costly engine repairs down the track. Even though it is a small and seemingly simple component, it plays a sizeable role in the overall health of the vehicle.

For Holden Astra owners who live in colder parts of Australia or frequently drive early mornings and evenings, having a functional heater hose is essential. Getting the heater system checked as part of regular servicing can help avoid those unexpected chilly drives or worse, breakdowns related to cooling system faults.

In short, the heater hose on the 2020 Holden Astra is a vital part of keeping the vehicle comfortable and the engine safe. Simple checks during your next service can go a long way in spotting potential issues early. And if it comes time for a replacement, choosing quality parts and professional installation will keep your Astra running warm without any dramas.