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  • LKQ Staff

Used Engine Buying Guide

Updated: May 20, 2023

When the engine dies in a car or truck, the first questions are “Is it still under warranty?” and “Do I replace the engine or get another car?” If the engine has outlived its warranty, you’re faced with the second option of fixing the car or getting a new one. A new car will undoubtedly involve higher insurance payments and if you’re buying a used “new” car, there’s the possibility it could fail you. Plus, if you’ve seriously bonded with your car or truck and know it’s reliable (apart from the engine issue), you really want to keep it. All things considered, buying a quality replacement used engine is the most affordable way to restore your vehicle to its former glory.


Are used engines safe?

In a word, yes. Used engines come from cars and trucks that are no longer in service due to accident or owner surrender for any number of reasons. Purchasing from a reputable auto parts dealer with installation by a professional, qualified mechanic will help ensure your used engine performs flawlessly.


· Used engines are genuine OEM parts (original equipment manufacturer), meaning that a used engine pulled from an identical vehicle to yours should fit perfectly.

· You have the option of replacing your engine with one that has lower mileage usage.

· An accident that can total a car doesn’t have to mean that the engine was impacted in any way, the engine assembly can still be intact and suitable to take on new life in another vehicle.


LKQ Online has sold thousands of used engines and transmissions, rescuing well-loved cars and trucks from salvage, and helping drivers get back on the road quickly. A used engine can be a great way to save a significant amount of money when fixing your car, and the following buying guide can help you confidently find the right one for your needs.


Have all your car’s information when you shop

Most online auto parts searches begin with asking for the year, make, and model of your vehicle. Additionally, you should check the owner’s manual for the unique part number of the engine and have the VIN number of your car handy as it will help with getting exactly the right engine. The VIN number is a wealth of information in just 17 digits, including where the car was built, manufacturer, year, make, and model, body style, engine size and type, and the car’s serial number. The more information you can provide when searching, the quicker it will be to find your engine.



Confirm what parts come with the engine assembly

In most cases, only the engine and its internal parts are included when you purchase a used engine. This includes components such as the block, cylinder heads, camshafts, head gaskets, rods, pistons, and crankshaft. You shouldn't count on any other additional parts or accessories -- like oil pans, switches, timing belt, intake manifold, and the like -- being included. However, in some cases these additional parts may be included and sold “as is” with the used engine assembly but they are not typically covered under the warranty.


Learn all you can about the specific engine you are considering

A reputable seller will have an organized and cataloged inventory of all their used auto parts, including engine assemblies. There will undoubtedly be multiples of the same style and type of engine you are investigating, so knowing an engine’s history will ensure you get the best one for you.


For comparison and value shopping, the following information should be available online for any used engine offered:

· Make, model, and year of the salvaged vehicle

· Mileage (you can search only those engines with desired mileage)

· Location (ships from) of the engine

· Complete description of the engine and part number

· Fitment (compatibility with all years/makes/models that use this exact engine)

· Source vehicle details, including VIN number so you can research the history of the car

· Price, shipping terms, and warranty


Confirm warranty coverage

Even an economical used engine is a significant financial commitment, so you need to be sure you have a warranty when you buy just in case there are any problems. Warranties can vary in time, mileage, or engine components covered so you need to carefully read the warranty so you understand what’s covered. LKQ Online sells used engines with a standard, six-month or 6,000 miles warranty on parts only, no labor is included, and applies to parts that arrive defective/damaged/incorrect or become defective within the warranty period. Check out LKQ’s warranty information and specifically engine assembly warranty before you buy.


If you’ve got engine troubles and need a replacement engine for your car, truck, or SUV, LKQ Online can provide high-quality used engines or remanufactured engines that will have your vehicle running like new. You can trust LKQ as the one-stop-shop for top-quality replacement auto parts for more than just engines and transmissions, but also collision repair, mechanical car parts, and interior enhancements like dashboard and console parts, seats, and steering wheels. Save worry, time, and money with our helpful customer service, promise of guaranteed fit, free standard warranties, and fast shipping.



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