The 1-2112035-1 uses 3 different size contacts I have links below to the manufacturer web site for each contact size , you will need to pick the contact size and wire size you will be using to get the part numbers for them , I also have snips from the catalog for the seals and plugs for them .
1.5 terminals , https://www.te.com/en/product-CAT-N09-AT15.html?r=2&compatible=1-2112035-1
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/1241380-1/2332524
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/1241380-2/2332525
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/1241380-3/2332526
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/1418884-1/2332602?s=N4IgTCBcDaIIwBY4A5UILRxAXQL5A
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/1418884-3/2332603?s=N4IgTCBcDaIIwBY4A5UILQGYQF0C%2BQA
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/1534160-1/10463715?s=N4IgTCBcDaIIwFYDMAWOA2ADAWjiAugL5A
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/1534162-1/5437362
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/1564324-1/5437361
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/1564324-2/10463780?s=N4IgTCBcDaIIwFYBsAWAzGFBaCBdAvkA
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/1564324-3/10464156?s=N4IgTCBcDaIIwFYBsAWAzGFBaNIC6AvkA
2.8 terminals , https://www.te.com/en/product-CAT-N05-AT28.html?r=2&compatible=1-2112035-1
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/1-968857-3/2187896?s=N4IgTCBcDaIIwFoCcA2AHGgrAdgQZhAF0BfIA
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/1-968857-2/10462672?s=N4IgTCBcDaIIwFoCcA2AHGgrAdgRAugL5A
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/1-968857-1/2054579?s=N4IgTCBcDaIIwFoCcA2AHGgrAdgXEAugL5A
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/1-968855-3/2332475?s=N4IgTCBcDaIIwFoCcA2AHGgrJhBmEAugL5A
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/1-968855-2/2332474?s=N4IgTCBcDaIIwFoCcA2AHGgrJhEC6AvkA
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/1-968855-1/2332473?s=N4IgTCBcDaIIwFoCcA2AHGgrJhcQF0BfIA
6.3 terminals , https://www.te.com/en/product-CAT-NB0-AT63.html?r=2&compatible=1-2112035-1
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/2-1241418-3/10478498?s=N4IgTCBcDa4LQEYwBYGoBxwMwgLoF8g
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/1-1241418-3/10478466?s=N4IgTCBcDaIIwFo5gCxzQDgQZhAXQF8g
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/1241418-4/8574899?s=N4IgTCBcDaIIxgCx2QDgLSJAXQL5A
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/1241416-3/9925463?s=N4IgTCBcDaIIxgCx2QNgLQGYQF0C%2BQA
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/1241416-1/2332554?s=N4IgTCBcDaIIxgCx2QNgLRxAXQL5A
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/1241414-3/5437371
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/1241414-1/2332553
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/1241412-3/10478547?s=N4IgTCBcDaIIxgCx2WAtAZhAXQL5A
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/1241412-1/2332552?s=N4IgTCBcDaIIxgCx2WAtHEBdAvkA
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/5-1241410-1/13169501?s=N4IgTCBcDaIKwFoCMYAsT0AZkgLoF8g
1.5 seals and plugs
Wire Seals , https://www.digikey.com/en/products/filter/rectangular-connector-accessories/340?s=N4IgTCBcDaIIwHY4A4EAYCsBaEBdAvkA
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/964971-1/2188295
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/1394133-1/2187730?s=N4IgTCBcDaIIwGYCcAWRCC0cQF0C%2BQA
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/963530-1/2054528
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/964972-1/2054543
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/2287497-1/10466564?s=N4IgTCBcDa5gHAdgCwE5EFoQF0C%2BQ
Sealing Plugs , https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/963531-1/2054529
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/1394132-1/2328138?s=N4IgTCBcDaIIwGYCcAWRYC0cQF0C%2BQA
2.8 seals and plugs
Wire seals , https://www.digikey.com/en/products/filter/rectangular-connector-accessories/340?s=N4IgjCBcoLQJxVAYygFwE4FcCmAaEA9lANrggC6AvpfgEwkgActjcADACwwWVA
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/828905-1/2054423?s=N4IgTCBcDaIBxjgTgAwFYC0BGEBdAvkA
Sealing plugs , https://www.digikey.com/en/products/filter/rectangular-connector-accessories/340?s=N4IgjCBcoLQJxVAYygFwE4FcCmAaEA9lANrggC6AvpfgEwkgActjcttMFlQA
6.3 seals and plugs
Wire seals , https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/2177018-1/9925410?s=N4IgTCBcDa4IwHYEAY4A4C0cQF0C%2BQA
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/1394511-1/2332597?s=N4IgTCBcDaIIwGYCcAWArHOBaOIC6AvkA
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/1823111-1/9925409?s=N4IgTCBcDaIIwA4wGY5oLRxAXQL5A
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/1394512-1/2332598?s=N4IgTCBcDaIIwGYCcAWArHMBaOIC6AvkA
https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/1719043-1/5437806?s=N4IgjCBcoLQJxVAYygFwE4FcCmAaEA9lANrggC6AvpfgEwngDsYcADACwDMMEVQA
Sealing plug , https://www.digikey.com/en/products/detail/te-connectivity-amp-connectors/967652-1/2328933?s=N4IgTCBcDaIJwDYDsCCsYC0BGEBdAvkA
From this catalog LEAVYSEAL CONNECTORS
