Opti-Lube XPD Diesel Fuel Improver Automotive Additive, Diesel Fuel Additive

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Opti-Lube XPD is the best diesel fuel additive for everyday use. Opti-Lube XPD is a proven diesel fuel additive. This additive made its mark years ago by ranking the highest in a fuel additive study. Thousands of our happy customers have switched over from other additives because it makes a difference. We have tested our product and continue to lead the market in lubricity. But that is just the beginning. XPD cleans injectors, improves cetane and contains an anti-gel to keep your fuel flowing down to -10° F. If you want to keep your diesel happy, then look no further than Opti-Lube, the number one rated additives on the market. Opti-Lube XPD is the ultimate in performance diesel fuel additives. The best diesel fuel additive on the market. Opti-Lube XPD’s primary purpose is to increase the lubricity properties of ultra low sulfur diesels (ULSD). However, improving Lubricity is just the beginning. XPD Formula is a multi-functional additive for upgrading the quality and enhancing the performance of diesel fuels. XPD simultaneously improves lubricity, efficiency, cleans injectors, improves Cetane by up to 3 points and contains an anti-gel to help keep your fuel flowing down to -10° F.* XPD does not contain any harmful alcohols. Opti-Lube products protect your equipment by providing exceptional lubrication in the fuel system. Benefits include: Enhanced Lubricity for Reduced Fuel System Wear Improved Fuel Economy (See Diesel Power Magazine Study here) Increased Power Reduced Deposits Reduced Emissions Prevents Rust & Corrosion Cleans Injectors, keeps them clean Improved Storage Stability (More than doubles storage life of diesel fuel) Improved Water Separation Improved Cold Weather Performance Compatible with all vehicle emissions systems Don't Forget XPD Formula is a Preventative Anti-gel. Preventative anti-gels are used before gelling occurs. To ensure a Preventative anti-gel works properly there is an important rule to keep in mind. Diesel Fuel cannot be at or below the cloud point when Preventative anti-gel is added. There are two reasons for this: (1) If the fuel is cold and wax has begun to crystallize and link, the cold flow additive will not be able to modify the crystals as designed to minimize their growth or alter their morphology, (2) Cold fuel has poor solubility, meaning proper mixing can not occur. The easiest way to ensure your preventative additive is properly mixed and your diesel is not too cold during winter months is to add it at the pump while fueling. When mixed properly the preventive anti-gel will do its job while not ‘falling out�?of solution or separating. Opti-Lube XPD and Winter contain components that interact with the wax molecules in a way that prevents them from stacking and subsequently forming large, filter plugging crystals. Let Opti-Lube Keep Your Investment Safe From Gelling This Season. *Dependant on base fuel and the amount of wax in the fuel. Higher doses of anti-gel may be needed in some areas.

Opti-Lube XPD Diesel Fuel Improver Automotive Additive, Diesel Fuel Additive

  • Treats up to 512 gallons of diesel fuel, improving overall performance and efficiency
  • Increases cetane by up to 3 points and enhances fuel lubricity for ultra low sulfur diesel (ULSD), helping to extend engine life
  • Anti-gel formula prevents gelling and maintains fuel flow in temperatures as low as -10° F, enhancing cold weather performance
  • Cleans injectors and keeps them clean, reducing deposits, emissions, and fuel system wear
  • Improves storage stability by doubling diesel fuel's shelf life and preventing rust, corrosion, and fuel degradation

By completing a purchase with Turquoise Armadillo, you accept the conditions described in this policy. This applies to all orders shipped within the United States.

Shipping Timeframe
Handling Time: 1–2 business days (Monday–Friday).
Travel Time: 5–7 business days after dispatch.
Cutoff: Orders after 4:00 PM (Pacific Standard Time) are processed the next business day.
Estimated Delivery: 6–9 business days total (handling + travel).

Delivery windows are projected and can vary due to carrier delays, weather, holidays, or other unexpected events.

Shipping Services
Service Type: Standard US Shipping
Cost: Free shipping on all orders no minimum spend required
Destination: Orders are sent to the address you provide at checkout
Shipping details shown at checkout are correct at the time of purchase.

Tracking Your Order
Once your order is dispatched, we will email you a tracking number. Tracking updates usually appear within 48 hours.

Order Changes or Cancellations
If you need to amend or cancel your order, contact us immediately. Once your order has been shipped, changes or cancellations may not be possible.

Incorrect Shipping Address
Please double-check your shipping address is correct before finalising your order. Turquoise Armadillo is not responsible for deliveries sent to wrong or incomplete addresses provided by the customer.

Lost or Delayed Packages
If your parcel appears lost or stuck, get in touch with us. We will look into the situation and assist where possible.

By completing a purchase with Turquoise Armadillo, you accept the conditions described in this policy. This applies to all orders shipped within the United States.

Return Window
Return requests must be lodged within 14 days of delivery. Items should be unworn and unused, sent back in their original packaging with all tags still fixed. Any product showing wear, damage, or alterations will not be accepted.

How to Request a Return
To begin a return, email us with your order number and the reason for returning the item. Once granted, we will email return shipping instructions. Unauthorised returns may be refused.

Damaged or Incorrect Items
If you receive an item that is damaged, faulty, or different from what you ordered, reach out to us straight after delivery. We will examine the matter and provide a solution if your situation qualifies.

Exchanges
Exchanges are only provided for items that arrived damaged or incorrect. We do not accept exchanges for customers who changed their mind. All exchange requests must be emailed with your order number and a brief summary.

Restocking Fees
Turquoise Armadillo does not charge any restocking fees on approved returns.

Refunds
After we receive and inspect your returned product, we will email you an update. If your refund is approved, the amount will be returned to your original payment method. Refund processing may take up to 7 business days from the date of approval. Items that do not meet our return rules may not receive a refund.

Discounts and Promotions
All discount codes and promotional offers must be entered at checkout. We cannot refund any promotions that were forgotten, missed, or already expired.

At Turquoise Armadillo, we strive to ensure that the checkout process is hassle-free and completely secure. Here’s everything you need to know about the payment process:

Accepted Payment Methods

We accept the following payment options:

  • Visa
  • Mastercard
  • Apple Pay
  • Google Pay
  • Shop Pay

Currency and Charges

The payment will be processed in USD. The entire amount will be deducted at the time of order. In some cases, banks may impose a pre-authorize charge before the order amount is deducted. This is a standard procedure and does not apply only to Turquoise Armadillo. We are a Netherlands-based company, and banks may treat this as an international transaction. The additional charges levied by the bank will be the responsibility of the customer.

Transaction Security

We ensure that all transactions are conducted with the highest level of security. We use SSL encryption and only work with reputable payment gateways. We do not store any card details. The card details will be directly passed to the payment gateway.

Payment Issues

In case of any issues with the payment process, please ensure that the details provided are accurate and match the ones provided to the bank. If you still face issues, please do get in touch with us at [email protected]. We will be glad to assist you.

Order Verification

We monitor all transactions to ensure the security of all our customers. In rare cases, we may ask you to verify your details before processing the order. This is done solely to ensure your security.