Diamond Sky Fuel Card

Promotions / Diamond Sky Fuel Card

Maybank Exclusive

New-to-Diamond-Sky Fuel Card Promotion

Apply for a Diamond Sky (DS) Fuel Card from 1 June to 31 July 2025, and enjoy up to 29.27% off fuel purchases at Caltex stations on your first 3 pumps – one of the highest in town!

Continue to enjoy up to 26.45% off fuel purchases after your 3rd pump.

Click here to view Caltex stations islandwide.

How It Works

Register for a DS Fuel Card via an e-form by clicking on the button below
Link your Maybank Credit Card to your DS Fuel Card account
A one-time S$2 card issuance fee will be charged to you for each application of the DS Fuel Card, for verification purposes
Head down to any Caltex stations, set up your PIN upon your first pump and pay with your DS Fuel Card to enjoy your discount.

Breakdown and Illustration (New-to-Diamond-Sky Fuel Card)

Maybank Credit Card Type	Family & Friends	Horizon Visa Signature	Duo Platinum Mastercard	Platinum Visa	World Mastercard & Visa Infinite	Other Maybank Credit Cards
Instant Fuel Discount on first 3 pumps (prev. at 22%)	25%	25%	25%	25%	25%	25%
Admin Fee (after discounted amount)	2.5%	2.5%	2.5%	2.5%	2.5%	2.5%
Maximum Additional Rebate¹	8% cashback (under "Transport" category)	3X TREATS Points	5% cashback (Local transactions)	3.33% (per quarter)	Up to 10X TREATS Points	Respective card benefits apply
Total Fuel Discount	29.27%	23.12% + 3X TREATS Points	26.96%	25.68%	23.12% + up to 10X TREATS Points	23.12% + Card Benefits

¹Subject to the Maybank Cardmember fulfilling the applicable requirements under the promotions/programmes in connection with the respective Cards. For supplementary Maybank Cardmembers, any TREATS Points will be credited to the corresponding principal cardmember’s card account.

Below is an illustration of how the discount is applied to your total petrol bill when you pump at Caltex stations with the DS Fuel Card.

Gross Fuel Spend	S$200
Instant Fuel Discount	25%
Revised Fuel Bill	S$150
Admin Fee (2.5%)	S$3.75
Final Fuel Bill	S$153.75
Nett Discount	23.12%
Family and Friends Card 8% cashback	S$12.30
Final Fuel Bill using Family and Friends Card	S$141.45
Final Discount Rate	29.27%

Existing Diamond Sky Cardmembers

Continue to enjoy up to 26.45% off fuel purchases at Caltex stations with your DS Fuel Card when you link it to your Maybank Credit Card.

Breakdown and Illustration (Existing Diamond Sky Cardmembers)

Maybank Credit Card Type	Family & Friends	Horizon Visa Signature	Duo Platinum Mastercard	Platinum Visa	World Mastercard & Visa Infinite	Other Maybank Credit Cards
Instant Fuel Discount	22%	22%	22%	22%	22%	22%
Admin Fee (after discounted amount)	2.5%	2.5%	2.5%	2.5%	2.5%	2.5%
Maximum Additional Rebate¹	8% cashback (under "Transport" category)	3X TREATS Points	5% cashback (Local transactions)	3.33% (per quarter)	Up to 10X TREATS Points	Respective card benefits apply
Total Fuel Discount	26.45%	20.05% + 3X TREATS Points	24.05%	22.71%	20.05% + up to 10X TREATS Points	20.05% + Card Benefits

Below is an illustration of how the discount is applied to your total petrol bill when you pump at Caltex stations with the DS Fuel Card.

Gross Fuel Spend	S$100
Instant Fuel Discount	22%
Revised Fuel Bill	S$78
Admin Fee (2.5%)	S$1.95
Final Fuel Bill	S$79.95
Nett Discount	20.05%
Family and Friends Card 8% cashback	S$6.40
Final Fuel Bill using Family and Friends Card	S$73.55
Final Discount Rate	26.45%

APPLY NOW

Terms & Conditions

New-to-Diamond Sky Fuel Card Promotion

This Promotion is valid from 1 June to 31 July 2025, both dates inclusive.
To be eligible for the Promotion, Maybank Cardmembers must successfully apply for a Diamond Sky Fuel Card (“Fuel Card”) issued by the Merchant using the Merchant’s online application form that is unique to Maybank during the Promotion Period. If Maybank Cardmembers’ application for the Fuel Card is successful, the Fuel Card will be linked to their Card.
For avoidance of doubt, this Promotion is not available to Maybank Cardmembers who hold an existing Fuel Card and/or have cancelled any Fuel Card within twelve (12) months prior to the start of the Promotion Period.
Maybank Cardmembers who have successfully applied for a Fuel Card during the Promotion Period and whose Fuel Card is linked to his/her Card may enjoy the respective discounts illustrated in the table below on his/her first three (3) fuel purchases at Caltex stations using his/her Fuel Card during the Promotion Period, capped at S$200 gross spend per fuel purchase.
The Merchant will impose a one-time S$2 Fuel Card issuance fee on each Maybank Cardmember for each application of the Fuel Card.
Once the Fuel Card is linked to the Card, all costs incurred on the Fuel Card will be charged to the Maybank Cardmember’s Card.
Each Maybank Cardmember can only apply for one Fuel Card, regardless of the number of Cards owned.
The Promotion is not valid for Star Mart purchases at Caltex stations.
Diamond Sky Fuel Card Tactical Promotion Full Terms and Conditions apply (PDF)
Maybank’s respective Credit and/or Debit Card Terms and Conditions apply.

Existing Diamond Sky Cardmembers Promotion

This Promotion is valid for 36 months from 27 March 2023 (or such other date(s)) as may be determined and notified by Maybank and Diamond Sky in its sole discretion.
The Promotion is not valid for Star Mart purchases at Caltex stations.
Maybank Cardmembers agree that Maybank may disclose information relating to the Maybank Cardmember and the Maybank Cardmember’s Card account to Merchant if reasonably considered necessary or expedient for the purposes of or in connection with this Promotion.
Maybank and Diamond Sky reserve the right at each of its absolute discretion to vary, delete or add to any of these terms and conditions at any time without notice including without limitation, the eligibility of any customer and the dates of the promotion.
Additional Terms and Conditions of Diamond Sky Fuel Card applies. Visit https://dsoil.net/sg/main.php?pageId=27 for full details.
Diamond Sky Fuel Card Promotion Full Terms and Conditions apply (PDF)
Maybank’s respective Credit and/or Debit Card Terms and Conditions apply.