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Need help? We are here to answer any questions you have – please contact us.

How can I be sure that I am buying the right part?
Where there is an option of Cylinder Head Gasket thickness, how do I choose the one that is right for me?
Is the delivery date guaranteed?
How secure is your online store?
Will my personal information be kept confidential?
How good is the quality of the products you sell?
How do I return an item?
Can I return any item?
Is there a re-stocking fee for parts returned for credit?
Can I exchange any parts?

1. How can I be sure that I am buying the right part?

The accuracy of our database is a culmination of our many decades of specialist diesel experience, and guarantees that you find the part you need. Naturally it is your responsibility to select the correct application, vehicle make, model and series while shopping in our store.

In cases where your search produces more than one part it is up to you to determine from the product photo and/or the specifications provided in the notes to determine which part is suitable for your engine.

2. Where there is an option of Cylinder Head Gasket thickness, which should I choose?

Most steel laminate type head gaskets come in a range of thicknesses – indicated by notches or other markings. In these cases we offer the option of a range of thicknesses and it is important to check your piston protrusion to determine which thickness of head gasket will be right for your engine.

3. Is the delivery date guaranteed?

We have written contracts with various shipping companies to offer our customers the quickest delivery possible – whether you live in Australia or elsewhere in the world. No shipping company offers 100% guaranteed delivery times, and the delivery date indicated on our website represents the date you are most likely to receive your goods, based on information provided by the shipping company or freight forwarder. Generally Australian capital cities are overnight and elsewhere in Australia in 2 - 3 days.

For more information or Worldwide delivery times please contact us by phone or email and we will be glad to assist. You can increase your chances of prompt delivery by providing accurate delivery instructions, including what to do in the event you are absent when the goods arrive.

4. How secure is this online store?

At SMS, we take security of your online payment and personal details very seriously. Your credit card information is used exclusively by our secure payment gateway to process a single transaction. To ensure your protection, we do not keep your details on our database or server. This makes any online credit card payment with our site safer than your local restaurant or fuel station. 

For further information click on the following link:

5. Will my personal information be kept confidential?

We only ask for information that enables us to provide the highest standard of service that you would expect.We do not disclose your personal information to our dealers, divisions or other businesses. We can assure you that your personal data will not be disclosed to government institutions or other authorities unless required by law.

Further information is also avaliable on our privacy policy link:

6. How good is the quality of the products you sell?

In addition to the many Genuine parts sold by SMS at discount prices, we offer the highest quality range of Original Equipment Quality (OEM) and replacement brand parts available in the aftermarket. In every case the quality of our parts meets or exceeds the original manufacturers specification – so you can expect the fit, performance and durability that you would expect from the genuine item.

Examples of our premium suppliers include IZUMI MAHLE and pistons and cylinder liners, ART piston+pin, NPR, Riken and Teikoku (TP) piston rings, Daido, NDC and Taiho engine bearings, Cherry and Stone Gaskets, NOK oil seals, Fuji and NSK engine valves, TBK oil pumps, AISIN, GMB, Paraut and ASAHI and TBK water pumps, Nippon Denso fuel injection, Garret turbochargers and more.

Any lower cost alternatives are the highest quality aftermarket brands available.
Examples include AMC cylinder 
heads, Sakura pistons and filters, and AJUSA gaskets.

7. How do I return an item?

ALL returns must be sent FREIGHT PREPAID to our warehouse –
11 Parramatta Road, Lidcombe NSW, 2141 Australia

Unless there is a manufacturer defect, any item returned must be in its original unused condition and in its original packaging within 30 days of your purchase.
  i. Please email kEncEmailtbmftAtntejftfm/dpn/bv to request a refund. 
  ii. Send your returned item to:
    SMS Diesel Spares
    11 Parramatta Road
    Lidcombe NSW 2141

  iii. Include in your package a signed letter stating the reason for your return and the original receipt.

8. Can I return any item?

Most parts may be returned but there are exceptions:

Some items can not be returned if they are opened. These include engine bearing sets, piston ring packs/ sets and gasket sets.

Merchandise that has been shop soiled, used, or altered will not be accepted for return or exchange.

9. Is there a re-stocking fee for parts returned for credit?

All items are subject to a 10% restocking fee, this will be deducted from your refund. We do not refund the original shipping and handling that you paid on the order.

10. Can I exchange any parts?

If your return meets the above terms and conditions, you may exchange your part for a different size (subject to stock availability). You will not be subject to a restocking fee in this case, but you still will have to pay return shipping.


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