Holden Commodore ZB 2.0L Petrol Coolant Expansion Tank 01/2018–12/2020 – With Cap

Holden Commodore ZB coolant expansion tank reference photo in the Parts Factory Australia frame
Holden Commodore ZB coolant tank, actual reverse view showing the rounded body and moulded support
Holden Commodore ZB coolant tank, actual close-up of the filler neck and cap underside
Holden Commodore ZB coolant tank, actual close-up showing the hose connection and mounting tabs

Holden Commodore ZB 2.0L Petrol Coolant Expansion Tank 01/2018–12/2020 – With Cap

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Original price was: $99.00.Current price is: $84.15. (Inc. GST)

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New aftermarket coolant expansion tank with cap for the listed Australian Holden Commodore ZB 2.0L B20NFT petrol wagon within the 01/2018–12/2020 scope. Reference 23386455. This listed scope is narrower than the full vehicle build range. Match the original part reference, rounded tank shape, hose connections and mounting tabs before ordering. Actual manufacturer photographs show the translucent tank, black cap and moulded supports. VE and VF overflow bottles are different applications. Supplied as one tank with the cap shown; hoses and coolant are not included. Send your VIN, build date and photographs of the original tank and its connections for a fitment check.

Australian orders under 500g receive free express postage. Orders weighing 500g or more receive free regular postage. Dispatch is from Queensland; availability and delivery estimates are shown at checkout.

Tested in Australia before dispatch. Three-year replacement warranty; professional installation and receipts required. See the warranty terms below.

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Selected excerpts about Parts Factory Australia. Rating checked 25 September 2026.

Description

YOUR PART. EVERY DETAIL.

Commodore ZB coolant expansion tank with cap

The right part.
Down to the detail.

New aftermarket coolant expansion tank with cap for the listed Australian Holden Commodore ZB 2.0L B20NFT petrol wagon within the 01/2018–12/2020 scope. Reference 23386455. This listed scope is narrower than the full vehicle build range. Match the original part reference, rounded tank shape, hose connections and mounting tabs before ordering. Actual manufacturer photographs show the translucent tank, black cap and moulded supports. VE and VF overflow bottles are different applications. Supplied as one tank with the cap shown; hoses and coolant are not included. Send your VIN, build date and photographs of the original tank and its connections for a fitment check.

Ask our team about fitment ↗

Listed applicationZB wagon · listed scope 01/2018–12/2020
Specification2.0L B20NFT petrol · tank with cap · match hose connections and mounting tabs
Reference23386455

Reference 23386455. Send our team your exact model, build date and a photo of the original part if you need a fitment check.

Commodore ZB coolant expansion tank with cap — product detail
Australian testedBefore dispatch
Commodore ZB coolant expansion tank with cap — additional product view
Actual manufacturer reverse and detail views show the tank shape, filler neck, cap underside, mounting tabs and hose connection. Match the original reference and all connections. Related Commodore products below have their own engine and series requirements.
Carefully selected. Locally tested.

Confidence starts
before dispatch.

We select our manufacturers for quality, and every part is tested in Australia before it leaves us. It’s a standard we stand behind with local support.

Every partTested in Australia
3 yearsReplacement warranty

Meet our selected manufacturers ↗

Sent from Queensland

Less waiting.
More driving.

Australian orders under 500g receive free express postage. Orders weighing 500g or more receive free regular postage. Dispatch is from Queensland; availability and delivery estimates are shown at checkout.

Delivery information ↗

Orders under 500g

Free express postage.

Express delivery is included for Australian orders under 500g.

Orders 500g and over

Free regular postage.

Heavier orders travel by regular post at no delivery charge. See the shipping policy for available options.

Clear delivery information

Know what to expect.

Check the shipping policy for delivery information, or contact our team before ordering.

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Behind the scenes
at Parts Factory
Family owned. Australian operated.

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Behind every part.

For nine years, our family-owned business has helped Australians find the parts they need. From checking an application to after-sales support, you can speak with our local team.

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9 yearsIn business
QueenslandOur Australian base
56 Export Drive, Molendinar QLD 4214Talk to our Gold Coast team · 0423 113 802
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Get to know Parts Factory Australia, then explore our installation tutorials, parts guides and practical tips on YouTube.

Explore our YouTube tutorials ↗

Tutorial availability varies by part and vehicle. Check the exact application and follow the product’s professional installation requirements.

3

Years of replacement cover.

Professional installation and receipts are required.
Read the full warranty terms ↗

Help when you need it.

Contact our team for fitment, delivery or after-sales support. View our 7-day returns policy and conditions ↗

Before you order

Good questions.
Clear answers.

A few details now can help you choose the right part first time.

Ask us a question ↗

How do I check this coolant expansion tank fits?

New aftermarket coolant expansion tank with cap for the listed Australian Holden Commodore ZB 2.0L B20NFT petrol wagon within the 01/2018–12/2020 scope. Reference 23386455. This listed scope is narrower than the full vehicle build range. Match the original part reference, rounded tank shape, hose connections and mounting tabs before ordering. Actual manufacturer photographs show the translucent tank, black cap and moulded supports. VE and VF overflow bottles are different applications. Supplied as one tank with the cap shown; hoses and coolant are not included. Send your VIN, build date and photographs of the original tank and its connections for a fitment check. Compare the original part and vehicle details; contact us before ordering if anything differs.

What is the reference and key specification?

Reference: 23386455. Listed specification: 2.0L B20NFT petrol · tank with cap · match hose connections and mounting tabs. Listed product: Holden Commodore ZB 2.0L Petrol Coolant Expansion Tank 01/2018–12/2020 – With Cap. New aftermarket coolant expansion tank with cap for the listed Australian Holden Commodore ZB 2.0L B20NFT petrol wagon within the 01/2018–12/2020 scope. Reference 23386455. This listed scope is narrower than the full vehicle build range. Match the original part reference, rounded tank shape, hose connections and mounting tabs before ordering. Actual manufacturer photographs show the translucent tank, black cap and moulded supports. VE and VF overflow bottles are different applications. Supplied as one tank with the cap shown; hoses and coolant are not included. Send your VIN, build date and photographs of the original tank and its connections for a fitment check.

Is it shipped from Australia?

Australian orders under 500g receive free express postage. Orders weighing 500g or more receive free regular postage. Dispatch is from Queensland; availability and delivery estimates are shown at checkout.

Is there a guide for my installation?

Our YouTube channel includes installation tutorials and parts guides. Check for your exact part and vehicle; not every application has a guide. The video on this page introduces our business.

What does the replacement warranty require?

Professional installation and retained receipts are required. Read the warranty terms for the cover, exclusions and claim process.

Explore the range

More parts. Local support.

Other products from our range. Compatibility varies; check each listing for your model, engine and build date.

Holden Commodore ZB 3.6L Petrol Thermostat Housing 10/2017–12/2020 – With GasketExplore the rangeHolden Commodore ZB 3.6L Petrol Thermostat Housing 10/2017–12/2020 – With GasketCheck the application, engine and build dates on this listing.View application details ↗VE Holden Commodore Door Lock Actuator Mechanism 2005-2013 Sedan Wagon Ute (922908)Explore the rangeVE Holden Commodore Door Lock Actuator Mechanism 2005-2013 Sedan Wagon Ute (922908)Check the application, engine and build dates on this listing.View application details ↗Holden Commodore Coolant Reservoir Overflow Bottle VE VF 2007-2019 V6 V8 (92164620)Explore the rangeHolden Commodore Coolant Reservoir Overflow Bottle VE VF 2007-2019 V6 V8 (92164620)Check the application, engine and build dates on this listing.View application details ↗

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FAQs

Most Frequent Questions and Answers

Parts Factory Australia shares installation tutorials on our YouTube channel. A video may not be available for your exact part or vehicle. Check the available tutorials or contact our team before starting installation.

Free express postage applies to Australian orders under 500g. Orders weighing 500g or more use free regular postage. Delivery estimates and any paid express upgrade are shown at checkout. See our shipping information for details.

The Holden Commodore ZB 2.0L Petrol Coolant Expansion Tank 01/2018–12/2020 – With Cap comes with our 3-Year Unlimited Kilometre warranty, covering manufacturing defects and premature failure under normal use. We're Australian owned and operated, so warranty claims are handled locally — just contact our team with your order number and we'll sort it out.

Yes — if the Holden Commodore ZB 2.0L Petrol Coolant Expansion Tank 01/2018–12/2020 – With Cap doesn't fit your vehicle, you can return it for a refund or exchange within 7 days of receiving it, provided it's unused and in its original packaging. Just contact our team with your order number and we'll sort out the return quickly.

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