: Frequently ranked #1 for its digital-first platform and network of 2,000+ verified suppliers.

: Confirm if the warranty covers parts and labor . Most only cover parts, leaving you with a $1,500+ mechanic bill if the unit is defective. 4. Physical "Vetting"

: A smaller but highly reputable firm with a 4.8-star rating on review platforms. Critical Red Flags (BBB Alerts)

Ask the seller if they have performed a or leak-down test . A healthy 4-cylinder engine should typically show 150–180 psi; results should be documented and provided before shipping. 3. Warranty Specifics

💡 If buying through platforms like eBay Motors , always pay via credit card to ensure you have "chargeback" protection if the engine arrives seized or significantly misrepresented. If you'd like, I can help you: Find local salvage yards in your specific city. Compare shipping costs between the top retailers. Translate a mechanic's quote for an engine swap.