This Reman Mercruiser 5.7L 350 Vortec Marine Longblock Engine (Part No. 2143MSRI-4) delivers robust 330HP performance for inboard and sterndrive applications, expertly rebuilt to OEM specifications for superior reliability and corrosion resistance. Featuring precision-machined cylinder heads, a forged steel crankshaft, hardened cam bearings, high-capacity oil pump, and fresh gaskets throughout, this marine longblock engine restores peak power and efficiency to your vessel. Ideal for boating enthusiasts seeking a cost-effective replacement without sacrificing durability, the 5.7L Vortec 350 longblock supports high-RPM operation and smooth acceleration under load. Note: this engine is sold “as is” with no warranty, offering unbeatable value for experienced installers.
Part Number: 2143MSRI4
Manufacturer: MERCRUISER
Weight: 400.0000 lbs
Additional Details:
Genuine OEM Parts
Please research/ensure fitment of part to your specific vehicle before purchasing. Returns because of non-fitment are accepted with a re-stocking fee, however customer is responsible for return shipping.
Shipping:
If shipping outside the contiguous 48 states is required, reach out to shopify@custardcore.com to confirm shipping details.
About Us:
Custard Core Supply provides the highest quality of new, new take off, used, and core parts. We provide a variety of gas and diesel parts to our customers. Based in Dallas, TX Custard Core Supply has been in business since 1998. If you do not see a product you are looking for on our page, please reach out!
got a crankshaft and it was exactly as described great packaging i will absolutely purchase again…..also the customer support was spot on 5stars for me
I've tried getting in touch with these people for over 3-4 weeks over a purchase that was cancelled before it shipped they shipped it anyways ok not a big deal try to get in touch no answered emails call all they say is email the email address on our page was just looking to ship this back and get a full return seeings it was canceled before it shipped !!! This is ridiculous