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JASPER® remanufactured GM Gen III and IV family of engines are built to meet or exceed OEM measured standards and have a 3 year/100,000 mile nationwide, transferable parts and labor warranty. Click here for complete warranty information. Remember, these are completely remanufactured gas engines assembled to exacting tolerances and live-run tested for reliability.
The Gen III and IV family of engines used extensively in such popular applications as the C/K Series pick-up trucks, Tahoes, Suburbans and, Yukons.
The Gen III and IV family of engines is susceptible to issues that include: oil consumption; valve guide wear, lifter noise (Gen IV applications); as well as cracked cylinder heads with resulting coolant loss. JASPER has addressed these issues to improve the reliability of this family of engines.
Please view our GM Gen III, IV, V product information below to learn more about some of the quality processes we perform to this engine family.
Go to our online catalog to get a price on one of the Gen III or IV family of engines for your specific vehicle application. Most applications of the JASPER remanufactured 4.8, 5.3, 5.7, 6.0, and 6.2 liter engines are available immediately from our huge distribution network across the U.S. This means you can be up and running again quickly and reliably. So, as soon as you get a price from our online catalog, just click on the Find an Installer icon to find the installer closest to you.
Full warranty disclosure available on our website or upon request. Specifications subject to change without notice.
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