When does the Early Balck Friday Sale begin and conclude?

Our Early Balck Friday Sale runs from October 31st through November 13th at 11:59 PM EST. Make sure to claim your special discounts before the clock strikes midnight!

How do I redeem Early Balck Friday discount codes?

Use code 2026 to get 12% OFF sitewide. Selected products may have 15%, 20%, or even 30% OFF, as marked on the product. Please note: discounts cannot be combined.

When will my package arrive?

If the product is in stock, orders are usually processed within 1–2 business days. Estimated shipping time: - Overseas warehouse items: around 3–5 business days - Express shipping (DHL/UPS): around 3–7 business days - Standard shipping: around 7–15 business days Delivery times may vary depending on customs clearance, holidays, and local courier conditions.

Do you ship worldwide?

Yes. We provide worldwide shipping service. Orders are shipped from our warehouse according to product availability.

Are taxes and extra fees included?

A: For most shipping methods: ✅ Product price includes applicable taxes where required ✅ Shipping cost is included according to the order information shown at checkout For DHL shipments: ⚠️ DHL may require the recipient to complete customs clearance and pay any applicable import duties, taxes, or customs handling fees directly to the local customs authority or DHL. These fees are determined by your country's customs regulations and are not controlled by EngineDIY.

What should I do if the engine does not start?

Please contact our service team: service@enginediy.com Please provide: Order number, Description of the problem, Photos or videos showing the issue. Our technical team will help diagnose and solve the problem.

What if my package arrives damaged or parts are missing?

Please contact us within 7 days after receiving your package. Please send: Order number, Photos of the package, Photos/videos showing the damaged or missing parts. We will review the situation and provide the best solution, including replacement parts or other assistance.

Does this product include warranty service?

Yes. EngineDIY provides: ✅ 1-Year Product Warranty For manufacturing defects and product quality issues. ✅ 30-Day Return and Exchange Service If you are not satisfied with your purchase, you may request a return or exchange within 30 days according to our return policy. The product should be returned in its original condition with original packaging and accessories. Please contact our customer service team before sending any return package. ✅ Lifetime Customer Support Our team provides long-term technical assistance and product support.