Frequently asked questions
Orders
What should I prepare before placing an order for a replacement part?
Before ordering, compare the product details with your old part. Check the part number, machine model, serial number, engine model, photos, connector type, size, and other visible identifiers.
If you are unsure, *Contact Us* before purchase.
Can I update my delivery address after checkout?
If the order has not shipped, send the correct address through *Contact Us* as soon as possible.
Once a package has shipped, address changes may be limited by the carrier.
What should I do if the package already shipped and I no longer need it?
Please receive the package instead of refusing delivery. After it arrives, start a return email us * info@stellarspares.com * with your order number, return reason, and package photos.
Refunds are reviewed after the returned item is received and inspected.
Why has my order confirmation email not arrived?
Check your spam, junk, or promotions folder first. Also make sure the email address entered at checkout was correct.
For future order emails, add info@stellarspares.com to your safe sender list. If you still need help, send your transaction details through *Contact Us*.
Where can I find my order number?
Your order number is shown after checkout on the order confirmation page. It is also sent to the email address used for the purchase.
If you have an account, sign in and open *My Orders* to view your order details.
What is the usual processing time before shipment?
Most orders are prepared within 1-3 business days. Custom items, service-related orders, and special requests may take longer.
If extra time is needed, Stellarspares will share an estimated timeline before moving forward with the service.
Is it possible to cancel an order?
*Contact Us* right away if you want to cancel. If the order has not shipped, we will review the request.
If the package has already shipped, you may need to start a return after delivery.
Can I return the product I ordered?
We always aim for make sure our customers love our products, but if you do need to return an order, we’re happy to help. Just email us directly and we will take you through the process.
Shipping & Delivery
Can customs clearance delay my delivery?
Yes. International shipments may be delayed by customs inspection, local holidays, carrier routing, missing importer information, or destination-country procedures.
If tracking shows a customs issue, contact the carrier first. You can also contact *Contact Us* for order-related help.
What should I do if the package arrives damaged or incomplete?
*Contact Us* with your name, phone number, order number, shipping address, package photos, and product photos.
Our team will review the case and provide the next step.
What if tracking shows delivered but I cannot find the package?
Check the delivery area, mailbox, front desk, parcel locker, neighbors, or anyone else who may have accepted the package.
If the package is still missing, please *Contact Us*, We may assist with a carrier claim, but the claim result depends on the carrier's investigation.
Do you offer local pickup or overnight delivery?
Local pickup and overnight delivery are not available at this time.
Where can I see the shipping charge?
Shipping is calculated at checkout. Enter your country, state, ZIP code, or postal code to view available shipping options and cost.
How soon should I expect delivery?
Order processing usually takes 1-3 business days.
For the United States, estimated delivery time is 5-7 workdays after shipment. Delivery to other countries may vary because of destination, carrier route, customs review, and product availability.
Do you ship internationally?
Yes. Stellarspares ships to many countries and regions. Shipping availability can depend on the product, destination, carrier service, and order details.
For destination-specific questions, *Contact Us* before placing the order.
From which location will my order ship?
Orders may ship from different fulfillment locations based on inventory and delivery address. Possible shipping locations include the United States, Mainland China, and other warehouses.
The selected warehouse may vary by product availability and shipping route.
Which shipping companies may deliver my order?
Packages may be shipped by FedEx, DHL, UPS, USPS, or another available courier. Your shipment email will include the carrier and tracking number.
Payment & Taxes
Does Stellarspares know the exact import fee before delivery?
No. Import charges are set by the destination country, customs authority, carrier, or local tax rules. Stellarspares cannot confirm the final amount in advance.
For the most accurate estimate, check with your local customs office or carrier before ordering.
Which payment options are available?
Available checkout methods may include credit card, debit card, PayPal, Google Pay, Apple Pay, etc.
The final options shown at checkout may vary by country, device, and payment provider.
What can I do if payment is declined?
Check the billing address, card security code, bank limits, available balance, and internet connection. Some banks may place temporary holds after a failed authorization.
If the payment still fails, contact your bank, try another payment method, or ask for help through *Contact Us*.
Are import taxes or customs charges included in the product price?
No. Product prices do not include taxes, duties, VAT, customs fees, brokerage fees, or other import charges collected by the destination country or region.
Any charges required by customs, the carrier, or local tax authorities are the customer's responsibility.
How do discount codes work?
Apply the discount code at checkout before payment. In most cases, only one discount code can be used on an order unless checkout states otherwise.
If the code is not accepted, check the eligible items, expiration date, and offer terms. For further help, Please *Contact Us*.
Returns & Warranty
Can installed parts be returned?
Installed parts may not qualify for a standard return unless the issue is approved under warranty, defect review, or another eligible after-sales case.
*Contact Us* before removing or returning an installed part.
What should I check before installing a part?
Inspect the package and product before installation. Compare the new item with the old part, including part number, shape, ports, connectors, mounting locations, and visible markings.
Do not install the item if it appears damaged, incorrect, or incompatible.
What should I do if a part fails after installation?
*Contact Us* with your order number, product details, photos or videos, machine information, and a clear description of the problem.
Our team will review the information and advise the next step.
How long is the warranty for new aftermarket parts?
New replacement and aftermarket parts have a 12-month warranty from the original purchase date.
Coverage applies to defects in workmanship and components. It does not cover normal wear, installation labor, removal labor, inspection labor, downtime, rental replacement costs, towing, commercial loss, misuse, improper installation, overheating caused by other system failures, or damage caused by other existing components.
What items qualify for return?
Return requests must be submitted within 90 days after delivery.
The product must be unused, uninstalled, clean, in its original packaging, and in the same condition as received. Proof of purchase is required.
Who is responsible for return shipping?
Stellarspares may cover return shipping when the issue is caused by a listing error, wrong item, product defect, or fitment issue for an application confirmed on the product listing.
If the return is due to a wrong purchase, changed mind, or no longer needing the item, the customer pays return shipping.
When will my refund be issued?
Refund review begins after the return is received and inspected. Stellarspares will notify you whether the refund is approved.
Approved refunds are sent to the original payment method. Bank or payment-provider processing time may vary.
Products & Fitment
Does Stellarspares guarantee fitment if I only provide a machine model?
Not always. A machine model alone may not be enough because the same model can use different parts depending on serial number, engine version, production year, or configuration.
For better fitment review, provide the part number, machine model, serial number, engine model, and photos through *Contact Us*.
What does aftermarket replacement part mean?
An aftermarket replacement part is made as an alternative to an original equipment part. It is commonly selected for practical fit, function, and cost savings when used in the correct application.
Always confirm the part number and equipment details before ordering.
How can I confirm inventory before ordering?
Availability may change. To confirm stock, *Contact Us* with the product link or SKU.
What should I do if the part is not listed on the website?
Send a request through *Contact Us*.
Include detailed machine and part information so our team can check sourcing options and compatibility.
What types of products are available from Stellarspares?
Stellarspares provides replacement parts and tools for diesel engines, construction equipment, agricultural equipment, industrial equipment, and related machinery.
Product categories may include turbochargers, cylinder heads, starters, alternators, fuel injectors, water pumps, filters, hydraulic parts, cooling parts, electrical parts, engine rebuild parts, seals, gaskets, and related tools.
Which brands and applications do you support?
Stellarspares offers replacement parts for many diesel engine and equipment applications, including Cummins, Caterpillar, John Deere, Perkins, Kubota, Yanmar, Mitsubishi, Isuzu, Komatsu, Volvo, and other brands.
Exact fitment depends on the part number, machine model, serial number, engine model, and product details.
What if I do not know the part number?
Send the machine model, serial number, engine model, part description, and clear photos through *Contact Us*.
Our team can review the information and help identify possible matches.