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JEGS Replacement Crate Engine for 1996-2000 for 5.7 Vortec Long Block Chevy


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Replacement Crate Engine for 1996-2000 for 5.7 Vortec Long Block Chevy
Core Charge: $460.00
Truck Freight: $184.99
Replacement Crate Engine
  • 1996-2000 GM Truck, SUV, Van
  • Replaces GM Engine 12681432
  • Small Block Chevy Vortec 350 ci, 5.7L
  • L31, VIN "R"
  • 2-Bolt Mains
  • Long Block
  • 36 month/Unlimited Mileage Warranty
  • Estimated to ship direct from manufacturer on 08/29/22 , pending manufacturer availability. Learn More

    Thank you! We will notify you when this product becomes available.


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    0282 is rated 4.2 out of 5 by 12.
    Rated 5 out of 5 by from Great engine for the price! Installed in my 1994’ K1500 TBI/Vortec project. Engine runs great with no issues and passed CA emissions with flying colors.
    Date published: 2021-03-29
    Rated 5 out of 5 by from Great product It got delivered about 3 weeks ago and I haven’t been happier.
    Date published: 2019-09-17
    Rated 5 out of 5 by from A crate engine like no other! Just put this in my 1996 Chev Tahoe. And after following your manufacture break in instructions, the engine is running great! So much more quieter than the old tired engine which had 190,000 on her.
    Date published: 2019-06-27
    Rated 4 out of 5 by from 99 Chevy K1500 Suburban "Motor not ready to run" Had a couple of minor issues as to why 4 stars, Jegs and ATK customer service are excellent and helped every way they could. I recommend checking compression on all cylinders, verifying top dead center on #1 cylinder and lash on valves prior to install. Mine arrived with zero compression on #1, backed off 3/4 turn and got 170. 180 degrees out on timing but by doing compression check you'll find it easy to adjust. Call ATK for their break in procedure or download from web it is a little different than Jegs. Other than that started right up and hoping for another 273k miles out of her.
    Date published: 2018-08-06
    Rated 3 out of 5 by from Great value but has its problems Have about 300 miles on its a great running motor no noises running smooth but the oil pan is leaking from the front by the timing cover and around a few bolts.
    Date published: 2020-03-18
    Rated 2 out of 5 by from Not the value I expected Price seemed right and it shipped quickly. It arrived and only 3 days with free shipping. While priming the engine it began leaking oil from the oil pan up by the timing chain cover and along the divers side. After contacting Jeggs they gave me a $50 credit (not impressed) and told me to contact ATK directly. I contacted ATK twice, they told me a technician named Eric would call me back within a few hours, I am still waiting on them to call back and it has been more than 30 days. The tins are cheaply made. The valve covers have a push in plug instead of the screw in type my truck and all the other trucks this year model have. I'm about 350 miles in and now the timing chain cover is leaking about halfway up. I had to set the valve lash on every one of the valves before installing the engine because they were not set correctly. The engine did start right up and holds Good oil pressure, but after having to buy a harmonic balancer, the correct valve covers, and the extra time and effort to pull the oil pan off, go down the parts store and get the new parts which was more than the $50 they gave me, I believe it would be cheaper to just buy a GM crate engine next time. The warranty is what sold me on this engine, but if they won't even return your call what good is the warranty. I expected more from a company backed by Jeggs.
    Date published: 2019-05-27
    Rated 1 out of 5 by from need some help I am looking for some suggestions/help. I purchased a 350 chevy long block from Jeggs which when the troubles started I learned it is a ATK motor. At about 200 miles I noticed if I would accelerate above 2,000 rpm the motor would steadily climb to above 260 degrees. When I stop or coast the temp returns to normal. I have changed the radiator cap, clutch fan, made sure the hose was below the top inlet on the radiator and changed the thermostat twice with no change. The car did not appear to be running hot so I bought an infrared gun and found out only the passenger side of the engine was heating up. The side the temp sender is on. The driver side actually barely reaches 195 degrees. Then the mechanic who installed the engine checked timing, checked compression, checked for vacuum leaks, and changed thermostat again, still no change, then removed and replaced the intake manifold. Still no change, but if he removes the thermostat it does bring the temp down 10 to 15 degrees. Then ATK said it must be a blown head gasket. So the mechanic replaced both head gaskets, still no change. The mechanic swears it’s the correct water pump and he believes there is a plugged water jacket or some sort of restriction in the water circulation on that side of the engine. I don't know what to do next. I have invested over $2,300 just diagnosing the issue.
    Date published: 2019-06-10
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    Do you need to break these engines in or are they ran before hand 

    Asked by: Matt00
    The 059-0282 will need to go thru normal break-in procedures when installed.
    Answered by: jshook
    Date published: 2022-07-27

    How many quarts of oil do these hold

    Asked by: Shanedlp
    This will be a 4 quart pan + oil filter.
    Answered by: Rusty B
    Date published: 2020-08-16

    would this be the best engine to replace a engine for a 1999 chevy tahoe 8th of vin is a R

    Asked by: Sierradenali
    Yes, this would be the correct engine to use for your Tahoe.
    Answered by: Rusty B
    Date published: 2020-10-19

    Are these heads able to accept 1.6 roller rockers without modification? I’m trying to get a little more lift out of the cam, but want to make sure the pushrods won’t rub on the cylinder heads.

    Asked by: AutoXChevelle
    Yes, you should be able to use 1.6 rockers arms, check all clearance after installation.
    Answered by: Rusty B
    Date published: 2020-07-08

    What are the head and cam specs? I am looking for the size of the runners in the heads.

    Asked by: Dave 41
    This is the cylinder head information; Cylinder Heads: Vortec cast iron Combustion Chamber: 64 cc Intake Runner: 165 cc Valve Size: 1.940 in. Intake / 1.500 in. Exhaust Rocker Arms: Stamped steel 1.5
    Answered by: Rusty B
    Date published: 2018-07-31

    Are these new or re-manufactured blocks and parts? If i use this in place of a 305 will i have to replace the computer?? and the injectors???

    Asked by: 98longbox
    These are remanufactured engines. If you are using a TBI EFI system you will need to retune the engine.
    Answered by: Rusty B
    Date published: 2020-04-14

    Part# 059-0282 can u install higher cam and lifers and how much more it's going to be price wise

    Asked by: Rx2re27
    These engines are assembled and components cannot be changed.
    Answered by: Rusty B
    Date published: 2020-04-11

    why is this not emissions legal?! if connected to an 2000 express 1500 vortec motor with headers short ram intake and chip tuned ?

    Asked by: fatal
    THis engine has not been tested in all locations for emission legality. You can talk with your authority in your location to verify whether it will work or not.
    Answered by: Rusty B
    Date published: 2018-04-04
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