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JEGS Aluminum Thermostat Housing

JEGS 51112


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ON SALE - $2.56 OFF
JEGS Aluminum Thermostat Housing $14.53
Aluminum Thermostat Housing
  • Small Block Chevy
  • Big Block Chevy
  • 1-1/2" Hose
  • O-Ring Seal
  • 15° Swivel
  • Polished
  • Hardware

  • JEGS 51112 Details

    15° Swivel


    Heater Bypass Provision
    Mounting Hardware Included
    Sealing Style
    15 Degree
    Shipping Weight:
    Package Height:
    Package Width:
    Package Depth:
    Manufacturer's Part Number:

    For Small Block Chevy and Big Block Chevy applications using 1-1/2" hose, JEGS Cast Aluminum Billet Style Thermostat Housings have O-Ring seals for leak proof use. Available with a straight, 45°, 15° or 90° swivel neck.


    • Cast aluminum with the "look" of machined billet
    • O-Ring seal

    51112 is rated 2.8 out of 5 by 8.
    Rated 5 out of 5 by from Sweet Piece! Very impressive product for a very good price. Replaced my radiator with a non-OEM model and needed the ability to readjust the upper hose installation. This adjustable thermostat housing worked perfectly and was not ridiculously expensive like some are. Not sure how the other guys are justifying the cost for theirs as this is a pretty nice looking and working alternative.
    Date published: 2015-06-30
    Rated 5 out of 5 by from Jegs Cast Aluminum Thermostat Housing Great quality, very nice finish! Haven't installed the product yet, but I'm sure it's performs flawlessly.
    Date published: 2015-02-14
    Rated 3 out of 5 by from Looks good Replaced neck and thermostat. Had to add gasket in addition to o ring to seal
    Date published: 2016-07-19
    Rated 1 out of 5 by from designflaw O-ring contacts the edge of groove that seats the thermostat and does not seal or restrain the neck from rotation. If groove and O-ring were a little larger diameter and didn't contact the thermostat it would probably seal to the manifold. This was on an Edelbrock 2101 manifold. Will return.
    Date published: 2018-04-24
    Rated 1 out of 5 by from Housing didnt secure rotating water neck down. While i give this product a poor rating because it didn't work the JEG's customer service rep was awesome and offered to send me either the same one again or another brand that was the same price. I received another brand one and it fit awesome. I understand these are massed produced so getting one that is bad isn't uncommon. I am going to say I would still recommend the part as it looked great and I have never had a issue before with a JEG's brand product.
    Date published: 2015-09-04
    Rated 1 out of 5 by from Leaks - Does not cover thermostat This leaked pretty bad, the opening is too small and does not cover the thermostat itself, so it cannot seal properly. Bought the larger Billet one and it works great.
    Date published: 2015-05-02
    Rated 1 out of 5 by from meh couldn't get it to seal went back to the stock one
    Date published: 2014-12-27
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    Some parts are not legal for use in California or other states with similar laws / regulations