• Trusted by Repair Shops, Fleets & Retail Customers Nationwide
  • Up to 4-Year Warranty | Nationwide Shipping 800-355-0068
End of Time:
:
:
:
  • About Us
  • My account
  • Order Tracking
  • Wishlist
  • Shop
Engines Factory

My Account

Hello, Sign in

Sign up now and enjoy discounted shopping!

Log In
New Customer? Sign Up
Wishlist -
0
0 items

$0.00

No products in the cart.
Engines Factory
0
No products in the cart.
  • Home
  • Shop

Filter

Showing 1–16 of 47 resultsSorted by latest

Sort:
Show:
  • Clear filters
  • Marine Engines
2000-Up GM Marine 6.2L 377 High Performance Fuel Injected 1-Piece Rear Seal 2-Bolt Main Long Block Engine
Add to Wishlist
Add to Wishlist
Compare

2000-Up GM Marine 6.2L 377 High Performance Fuel Injected 1-Piece Rear Seal 2-Bolt Main Long Block Engine

In Stock
Remanufactured GM Marine 6.2L / 377 long block engine for 2000-Up applications. High Performance, Fuel Injected, 1-Piece Rear Seal, Roller Cam, 2-Bolt Main. Built for marine replacement use with professional fitment assistance and nationwide shipping. Request a quote today.
Read more
Add to Wishlist
Add to Wishlist
GM Marine 8.2L 502 High Performance Fuel Injected Gen V Gen VI Long Block Engine
Add to Wishlist
Add to Wishlist
Compare

GM Marine 8.2L 502 High Performance Fuel Injected Gen V Gen VI Long Block Engine

In Stock
Remanufactured GM Marine 8.2L / 502 long block engine. High Performance, Fuel Injected, Gen V, Gen VI. Built for marine replacement use with professional fitment assistance and nationwide shipping. Request a quote today.
Read more
Add to Wishlist
Add to Wishlist
1996-2005 GM Marine 6.2L 383 High Performance Standard Rotation Long Block Engine
Add to Wishlist
Add to Wishlist
Compare

1996-2005 GM Marine 6.2L 383 High Performance Standard Rotation Long Block Engine

In Stock
Remanufactured GM Marine 6.2L / 383 long block engine for 1996-2005 applications. Standard Rotation, High Performance. Built for marine replacement use with professional fitment assistance and nationwide shipping. Request a quote today.
Read more
Add to Wishlist
Add to Wishlist
1987-1995 GM Marine 6.2L 383 High Performance Standard Rotation Vortec Long Block Engine
Add to Wishlist
Add to Wishlist
Compare

1987-1995 GM Marine 6.2L 383 High Performance Standard Rotation Vortec Long Block Engine

In Stock
Remanufactured GM Marine 6.2L / 383 long block engine for 1987-1995 applications. Standard Rotation, High Performance, Vortec, Roller Cam. Built for marine replacement use with professional fitment assistance and nationwide shipping. Request a quote today.
Read more
Add to Wishlist
Add to Wishlist
2004-2007 GM Marine 8.1L 496 Standard Output 4-Bolt Main Long Block Engine
Add to Wishlist
Add to Wishlist
Compare

2004-2007 GM Marine 8.1L 496 Standard Output 4-Bolt Main Long Block Engine

In Stock
Remanufactured GM Marine 8.1L / 496 long block engine for 2004-2007 applications. Standard Output, 4-Bolt Main. Built for marine replacement use with professional fitment assistance and nationwide shipping. Request a quote today.
Read more
Add to Wishlist
Add to Wishlist
2004-2007 GM Marine 8.1L 496 High Performance High Output 4-Bolt Main Long Block Engine
Add to Wishlist
Add to Wishlist
Compare

2004-2007 GM Marine 8.1L 496 High Performance High Output 4-Bolt Main Long Block Engine

In Stock
Remanufactured GM Marine 8.1L / 496 long block engine for 2004-2007 applications. High Performance, High Output, 4-Bolt Main. Built for marine replacement use with professional fitment assistance and nationwide shipping. Request a quote today.
Read more
Add to Wishlist
Add to Wishlist
1996-2003 GM Marine 7.4L 454 Standard Rotation Gen V Gen VI 4-Bolt Main Long Block Engine
Add to Wishlist
Add to Wishlist
Compare

1996-2003 GM Marine 7.4L 454 Standard Rotation Gen V Gen VI 4-Bolt Main Long Block Engine

In Stock
Remanufactured GM Marine 7.4L / 454 long block engine for 1996-2003 applications. Standard Rotation, Gen V, Gen VI, 4-Bolt Main. Built for marine replacement use with professional fitment assistance and nationwide shipping. Request a quote today.
Read more
Add to Wishlist
Add to Wishlist
1996-2003 GM Marine 7.4L 454 Standard Rotation Fuel Injected Gen V Gen VI 4-Bolt Main Long Block Engine
Add to Wishlist
Add to Wishlist
Compare

1996-2003 GM Marine 7.4L 454 Standard Rotation Fuel Injected Gen V Gen VI 4-Bolt Main Long Block Engine

In Stock
Remanufactured GM Marine 7.4L / 454 long block engine for 1996-2003 applications. Standard Rotation, Fuel Injected, Gen V, Gen VI, 4-Bolt Main. Built for marine replacement use with professional fitment assistance and nationwide shipping. Request a quote today.
Read more
Add to Wishlist
Add to Wishlist
1991-1997 GM Marine 7.4L 454 Reverse Rotation Fuel Injected 1-Piece Rear Seal Gen V Gen VI 4-Bolt Main Long Block Engine
Add to Wishlist
Add to Wishlist
Compare

1991-1997 GM Marine 7.4L 454 Reverse Rotation Fuel Injected 1-Piece Rear Seal Gen V Gen VI 4-Bolt Main Long Block Engine

In Stock
Remanufactured GM Marine 7.4L / 454 long block engine for 1991-1997 applications. Reverse Rotation, Fuel Injected, 1-Piece Rear Seal, Flat Tappet, Gen V. Built for marine replacement use with professional fitment assistance and nationwide shipping. Request a quote today.
Read more
Add to Wishlist
Add to Wishlist
1991-1997 GM Marine 7.4L 454 Standard Rotation 1-Piece Rear Seal Gen V 4-Bolt Main Long Block Engine
Add to Wishlist
Add to Wishlist
Compare

1991-1997 GM Marine 7.4L 454 Standard Rotation 1-Piece Rear Seal Gen V 4-Bolt Main Long Block Engine

In Stock
Remanufactured GM Marine 7.4L / 454 long block engine for 1991-1997 applications. Standard Rotation, 1-Piece Rear Seal, Flat Tappet, Gen V, 4-Bolt Main. Built for marine replacement use with professional fitment assistance and nationwide shipping. Request a quote today.
Read more
Add to Wishlist
Add to Wishlist
1973-1990 GM Marine 7.4L 454 Reverse Rotation 2-Piece Rear Seal Mark IV 2-Bolt Main Long Block Engine
Add to Wishlist
Add to Wishlist
Compare

1973-1990 GM Marine 7.4L 454 Reverse Rotation 2-Piece Rear Seal Mark IV 2-Bolt Main Long Block Engine

In Stock
Remanufactured GM Marine 7.4L / 454 long block engine for 1973-1990 applications. Reverse Rotation, 2-Piece Rear Seal, Flat Tappet, Mark IV, 2-Bolt Main. Built for marine replacement use with professional fitment assistance and nationwide shipping. Request a quote today.
Read more
Add to Wishlist
Add to Wishlist
1973-1990 GM Marine 7.4L 454 Standard Rotation 2-Piece Rear Seal Mark IV 2-Bolt Main Long Block Engine
Add to Wishlist
Add to Wishlist
Compare

1973-1990 GM Marine 7.4L 454 Standard Rotation 2-Piece Rear Seal Mark IV 2-Bolt Main Long Block Engine

In Stock
Remanufactured GM Marine 7.4L / 454 long block engine for 1973-1990 applications. Standard Rotation, 2-Piece Rear Seal, Flat Tappet, Mark IV, 2-Bolt Main. Built for marine replacement use with professional fitment assistance and nationwide shipping. Request a quote today.
Read more
Add to Wishlist
Add to Wishlist
2010-2014 GM Marine 6.0L 364 With Tinware Catalytic Converter Version Long Block Engine
Add to Wishlist
Add to Wishlist
Compare

2010-2014 GM Marine 6.0L 364 With Tinware Catalytic Converter Version Long Block Engine

In Stock
Remanufactured GM Marine 6.0L / 364 long block engine for 2010-2014 applications. Catalytic Converter Version. Built for marine replacement use with professional fitment assistance and nationwide shipping. Request a quote today.
Read more
Add to Wishlist
Add to Wishlist
2005-Up GM Marine 5.7L 350 Fuel Injected 1-Piece Rear Seal With Tinware 2-Bolt Main Long Block Engine
Add to Wishlist
Add to Wishlist
Compare

2005-Up GM Marine 5.7L 350 Fuel Injected 1-Piece Rear Seal With Tinware 2-Bolt Main Long Block Engine

In Stock
Remanufactured GM Marine 5.7L / 350 long block engine for 2005-Up applications. Fuel Injected, 1-Piece Rear Seal, Roller Cam, 2-Bolt Main. Built for marine replacement use with professional fitment assistance and nationwide shipping. Request a quote today.
Read more
Add to Wishlist
Add to Wishlist
1996-1997 GM Marine 5.7L 350 1-Piece Rear Seal With Tinware 2-Bolt Main Long Block Engine
Add to Wishlist
Add to Wishlist
Compare

1996-1997 GM Marine 5.7L 350 1-Piece Rear Seal With Tinware 2-Bolt Main Long Block Engine

In Stock
Remanufactured GM Marine 5.7L / 350 long block engine for 1996-1997 applications. 1-Piece Rear Seal, Flat Tappet, 2-Bolt Main. Built for marine replacement use with professional fitment assistance and nationwide shipping. Request a quote today.
Read more
Add to Wishlist
Add to Wishlist
1996-2005 GM Marine 5.7L 350 1-Piece Rear Seal 2-Bolt Main Long Block Engine
Add to Wishlist
Add to Wishlist
Compare

1996-2005 GM Marine 5.7L 350 1-Piece Rear Seal 2-Bolt Main Long Block Engine

In Stock
Remanufactured GM Marine 5.7L / 350 long block engine for 1996-2005 applications. 1-Piece Rear Seal, Roller Cam, 2-Bolt Main. Built for marine replacement use with professional fitment assistance and nationwide shipping. Request a quote today.
Read more
Add to Wishlist
Add to Wishlist
  • 1
  • 2
  • 3

Filter Products

Need Help Finding Your Engine?

Enter your VIN number and we'll identify the correct remanufactured or new engine for your vehicle.

✓ Free VIN Lookup
✓ Fast Response
✓ Engine Experts Available

Categories

Factory-Direct Engines & Fast Shipping

Engines Factory supplies remanufactured gas, diesel, marine, and industrial engines, along with transmissions, cylinder heads, turbos, and other powertrain components. We serve repair shops, dealerships, fleets, marine businesses, and vehicle owners nationwide. Contact our team for availability, pricing, and a professional quote. Nationwide shipping is available.

 

Need Help?


(800) 355-0068
  • (305) 340-5282  FL
  • (561) 562-7477  FL
  • (718) 786-5500  NY
  • (732) 231-2034  NJ

Monday–Friday: 8:30 AM–7:00 PM ET

Customer Service

  • My account
  • My Orders
  • Your Wishlist
  • Return Policy
  • FAQ
  • Contact Us

Store Navigation

  • About Engines Factory
  • Bestsellers
  • Latest Products
  • Sale Products
  • Reman vs. Rebuild
  • Long Block Engine
  • Engine Break-in Procedures
  • Engine Insider
  • Video Library
  • Blog
  • Policies and Guidlines
  • Shipping Policy
  • Return & Refund Policy
  • Core Returns
  • Warranty Information

Copyright © 2026 Engines Factory. All rights reserved.

payment
  • Home
  • Filter
  • Search
  • Wishlist
  • Account

REQUEST A QUOTE

Fill out the form below and we'll get back to you shortly.

Engines Factory
Main Menu
  • Home
  • Products
    • Diesel Engines
    • Gas Engines
    • Marine Engines
    • Cylinder Heads
    • Automatic Transmissions
    • Axle Assembly
    • Hybrid Batteries
  • Resources
    • Engine Break-in Procedures
    • What is a Long Block Engine?
    • Rebuilt vs Remanufactured Engines
    • Video Library
    • Engine Insider
    • Warranty Information
    • FAQ
  • Blog
  • Contact
Category Menu
  • #
  • #
  • #
  • New Arrivalsnew

Copyright © 2026 Engines Factory. All rights reserved.

What are you looking for in Partdo?
Skip to content
Open toolbar Accessibility Tools

Accessibility Tools

  • Increase TextIncrease Text
  • Decrease TextDecrease Text
  • GrayscaleGrayscale
  • High ContrastHigh Contrast
  • Negative ContrastNegative Contrast
  • Light BackgroundLight Background
  • Links UnderlineLinks Underline
  • Readable FontReadable Font
  • Reset Reset