: A highly-rated online marketplace (4.8/5 stars on Shopper Approved) that provides a wide range of engines for various makes and models with transparent pricing and core deposit policies.

: Specializes in gas engines that meet or exceed OEM standards using all new wear parts. They are frequently recommended for Ford and GM replacements.

: Known as the nation’s largest remanufacturer, Jasper is often the top recommendation for daily drivers and work trucks. They offer a robust 3-year/100,000-mile nationwide warranty that includes both parts and labor, and they have a massive network of authorized installers.