Pay in installments of $625.00 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 4 - Aug 9
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Reman Mercruiser 5.7L 350 Vortec Marine Longblock EngineThis 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
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 âas isâ with no warranty, offering unbeatable value for experienced installers.Part Number: 143MSRI4.LB
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 [email protected] 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!
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 27 reviews
Sort
Product Reviews
★★★★★ 5
Nice
Very nice & flattering.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 1, 2026
★★★★★ 4
COOFANDY Men's Mock Turtleneck Sweater Long Sleeve review.
This sweater fits well and is good quality for a small price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 13, 2026
★★★★★ 5
Fits nicely.
Nice looking mock turtle neck.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 27, 2026
★★★★★ 5
perfect
Size: X-Large, Color: White
love it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 1, 2026
★★★★★ 1
Neck came frayed/cut
Size: Large, Color: White
Poor quality. The collar/neck area was cut up/frayed. Never had a chance to return this shirt in the allocated amount of time. Guess we have an expensive rag.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 18, 2026