CASE CONSTRUCTION OEM Part No. 42559146

Union

Case Construction ·275 Fitments

$45.60 USD · per unit In stock · 1 on hand
Ships fastFrom our warehouse
30-day returnsNo restocking fees
OEM guaranteedDirect from manufacturer
Machine Model Years
WHEEL LOADER - TIER 4B (NA) 1021G 2016 – 2022
WHEEL LOADER - TIER 4B (NA) 1121G 2016 – 2022
SERIES 3 CRAWLER DOZER TIER 3 (NA/EU) 1150K 2006 – 2013
CRAWLER DOZER - TIER 4A 1150M LT 2012 – 2016
CRAWLER DOZER - TIER 4B 1150M LT 2016 – 2022
CRAWLER DOZER - TIER 4B 1150M WT 2016 – 2022
CRAWLER DOZER - TIER 4A 1150M WT/LGP 2012 – 2016
CRAWLER DOZER TIER 3 (NA/EU) (HYDRO) 1650L 2007 – 2013
CRAWLER DOZER - TIER 4B 1650M LGP PAT 2016 – 2022
CRAWLER DOZER - TIER 4A 1650M WT/LGP 2013 – 2015

OEM Case Construction Union #42559146 ? Join Hydraulic Lines with OEM Union Fitting

This Union (#42559146) connects two hydraulic hoses or tubes. OEM-threaded for precise, leak-proof fit and high-pressure resistance.

More Details

Part Number: 42559146
Application: Hydraulic hose or line junction

Key Features:

  • OEM seal surfaces and threads
  • High-strength construction
  • Supports full system pressure

Fits Case Models: Confirm line size and thread compatibility.

Compatible equipment

This part fits WHEEL LOADER - TIER 4B (NA), SERIES 3 CRAWLER DOZER TIER 3 (NA/EU), CRAWLER DOZER - TIER 4A, CRAWLER DOZER - TIER 4B, CRAWLER DOZER TIER 3 (NA/EU) (HYDRO), SERIES 3 CRAWLER TIER 3, WHEEL LOADER TIER 3 (NA), WHEEL LOADER - TIER 4 (NA), SERIES 3 LOADER BACKHOE TIER 3 (NA) - ASN N8C5040000, SERIES 3 LOADER BACKHOE TIER 3 (NA) - ASN N8C508000, BACKHOE LOADER (LIVERY) - TIER 3 NRC, BACKHOE LOADER - TIER 3 NRC, BACKHOE LOADER 2WD - TIER 3 NRC - MY18, BACKHOE LOADER 2WD - TIER 3 NRC - MY19, BACKHOE LOADER 4WD - TIER 3 NRC - MY18, BACKHOE LOADER 4WD - TIER 3 NRC - MY19, LOADER BACKHOE - TIER 3, LOADER BACKHOE - TIER 3 NRC, BACKHOE LOADER (LIVERY) - WIDE TRACK - TIER 3 NRC, BACKHOE LOADER 4WD - WIDE TRACK - TIER 3 NRC - MY18, BACKHOE LOADER 4WD - WIDE TRACK - TIER 3 NRC - MY19, BACKHOE LOADER WIDE TRACK - TIER 3, BACKHOE LOADER WIDE TRACK - TIER 3 NRC, SERIES 3 LOADER BACKHOE TIER 3 (NA) - ASN N8C508500, SERIES 3 LOADER BACKHOE TIER 3 (NA) - ASN N7C431854, LOADER BACKHOE (TIER 3), WHEEL LOADER WASTE HANDLING - TIER 4A (NA), CRAWLER DOZER TIER 3 (HYDRO), CASE WHEEL LOADER (NORTH AMERICA), WHEEL LOADER - TIER 4 / TIER 2 (NA), CRAWLER DOZER TIER 3, WHEEL LOADER TIER 3 NA/EU, 4WD MOTOR GRADER (LIVERY) - TIER 4, 4WD MOTOR GRADER MY20 - STAGE V, AWD MOTOR GRADER (LIVERY) - TIER 4, AWD MOTOR GRADER MY20 - STAGE V, MOTOR GRADER - DIRECT DRIVE - TIER 3 (BR), MOTOR GRADER - TORQUE CONVERTER - TIER 3 (BR), MOTOR GRADER TIER 3 (NEW CAB), ENGINE - 504160465 - 84448830, ENGINE - 504160467 - 84455196, ENGINE 504334612 - 87486945, ENGINE 504334624 - 87486953, ENGINE - 504383665 - 84225346, ENGINE 504387298 - 84247650, ENGINE 5801464758 - 84299638, ENGINE - 504160466 - 84457640, ENGINE 504334607 - 87486941, ENGINE - 504160468 - 84457641, ENGINE 504334626 - 87486951, ENGINE - 504383664 - 84225347, ENGINE - 504186096 - 87341932, ENGINE 504296314 - 87735214, ENGINE 504317579 - 87583250, ENGINE 5801464757 - 84405027, ENGINE 5801672127 - 84523801, ENGINE - 5801464759 - 84299565, ENGINE - 504365432 - 84141156, ENGINE 504385674 - 84265771, ENGINE - 84185491, ENGINE - 84185491., ENGINE 5801746037 - 47546417 - TIER 4B, ENGINE - 84185492, ENGINE 504375962 - 84265772, ENGINE 504375961 - 84265770, ENGINE - 84229380, ENGINE 5801746039 - 47545422 - TIER 4B, ENGINE - 84182025, ENGINE 5801746042 - 47546426 - TIER 4B, ENGINE 5801746043 - 47546433 - TIER 4B, ENGINE 5801746055 - 47546437 - TIER 4B, ENGINE 5801746059 - 47546439 - TIER 4B, ENGINE 5801746072 - 47546440 - TIER 4B, ENGINE 504388763 - 84308023, ENGINE 504218693 - 87584965, ENGINE 504243740 - 84473214, ENGINE PN 5802263606 - 72KW, ENGINE PN 5802766972 - 72KW, ENGINE PN 5802727884 - 118KW, ENGINE PN 5802728761 - 118KW, ENGINE 504165557 - 87329242, ENGINE 504203230 - 84473215, ENGINE 504203232 - 84473212, ENGINE PN 5801550765 - 82KW, ENGINE PN 5801550774 - 82KW, ENGINE PN 5801550775 - 82KW, ENGINE PN 5802263609 - 82KW, ENGINE PN 5802766978 - 82KW, ENGINE PN 5802766992 - 82KW, ENGINE - 504332880-87744022, ENGINE - 5801842996 - 47662492 TIER 3, ENGINE - 5801460850 - LB02P00023P1, ENGINE - 5801460849 - LQ02P00082P1, ENGINE - 504107037 - 84457642 (20/06/2006), ENGINE - 504115844 - 84457634 (20/06/2006), ENGINE - 504115845 - 84459736 (20/06/2006), ENGINE - 504369118 - 84190785, ENGINE - 504377111 - 84225774, ENGINE 504389288 - 84299639, ENGINE - 504369117 - 84190759, ENGINE - 504115846 - 84459737 (20/06/2006), ENGINE 504389285 - 84299640, ENGINE 504116316 - 87455825 T3 1150L LAR, ENGINE 504331329 - 87472401 T3 1650L LAR, ENGINE 5801927912 - 47795065 - TIER 3, ENGINE 5801454213 - 84375940, ENGINE PN 5801398285 - 169KW, ENGINE PN 5801398288 - 183KW, ENGINE - 5801550460 - 84316932, ENGINE - 5801550427 - 84316934, ENGINE 5801753678 - 47541861, ENGINE PN 5802121420 - 103KW, ENGINE PN 5802121427 - 103KW, ENGINE 5801753680 - 47541883, ENGINE PN 5802121432 - 122KW, ENGINE PN 5802121433 - 122KW, ENGINE 5801757726 - 47544094, ENGINE PN 5801757726 - 173KW, ENGINE 5801927913 - 47795080 - TIER 3, ENGINE PN 5802121435 - 173KW, ENGINE PN 5802121436 - 173KW, ENGINE 5801451663 - 84371229, ENGINE 5801451664 - 84371230, ENGINE 5801688472 - 47397958 - TIER 4A, ENGINE PN 5801836266 - 96KW, ENGINE PN 5802100830 - 96KW, ENGINE PN 5802264525 - 96KW, ENGINE 5801688466 - 84573058 - TIER 4A, ENGINE PN 5801836156 - 81KW, ENGINE PN 5802100818 - 81KW, ENGINE PN 5802264524 - 81KW, ENGINE 504388926 - YM02P00013P1, ENGINE 5801564906 - YB02P00021P1, ENGINE 504375996 - 84371227, ENGINE 5801404986 - 84371228, ENGINE PN 5802078395 - 105KW, ENGINE PN 5802192166 - 105KW, ENGINE PN 5802817975 - 105KW, ENGINE - 5801655811 - 47426272, ENGINE PN 5802036512 - 90KW, ENGINE PN 5802094292 - 90KW, ENGINE - 5802106398 - 47937034, ENGINE PN 5802367923 - 89KW, ENGINE PN 5802367919 - 96KW, ENGINE - 5801366337 - 84264793, ENGINE - 5801385963 - 84353896, ENGINE 5801425077 - 84387924, ENGINE 5801753676 - 47541755, ENGINE PN 5802036518 - 122KW, ENGINE PN 5802038541 - 122KW, ENGINE PN 5802106402 - 122KW, ENGINE - 5802106411 - 47937047, ENGINE - 5801448559 - 84312222, ENGINE 5801862189 - 47587179 TIER 4B, ENGINE PN 5802913105 - 164KW, ENGINE PN 5802913106 - 129KW, ENGINE 5801925172 47748448 CX5080 S T4B, ENGINE 5801925171 47748445 CX6080 S T4B, ENGINE 5801753674 - 47541731, ENGINE PN 5802036516 - 103KW, ENGINE PN 5802038539 - 103KW, ENGINE PN 5802094294 - 103KW, ENGINE PN 5802094298 - 103KW, ENGINE PN 5802106400 - 103KW, ENGINE 5802106408 - 47937045, ENGINE - 5801743987 - 47424030, ENGINE 5801398290 - 84359534, ENGINE 5801398291 - 84359538, ENGINE 5801757723 - 47544094, ENGINE PN 5802036529 - 173KW, ENGINE PN 5802038543 - 173KW, ENGINE PN 5802106407 - 173KW, ENGINE 5802106413 - 47937048, ENGINE PN 5802220461 - 173KW, ENGINE PN 5802220462 - 173KW, ENGINE 504386130-LQ02P00019P1, ENGINE 5801366313 - LB02P00016P1, ENGINE - 504386129-LQ02P00070P1, ENGINE 5801366310 - LQ02P00062P1, ENGINE 5801751510 - 47538795, ENGINE PN 5802817968 - 183KW, ENGINE 504375985 - YN02P00080P1, ENGINE - 504386128 - YN02P00090P1, ENGNE 5801751514 - 47538794, ENGINE PN 5802817970 - 169KW, ENGINE 504384900 - 84232924, ENGINE 5801366317 - 87746887, ENGINE PN 5802817971 - 145KW, ENGINE 5801366315 - 84169137, ENGINE 5801366316 - 84169140, ENGINE 5801366314 - 84169139, ENGINE 5801751530 - 47538792 - TIER4B, ENGINE PN 5801751533 - 121KW, ENGINE PN 5802817974 - 121KW, ENGINE - 5801366336 - 84264775, ENGINE - 5801385962 - 84353894, ENGINE - 5801366318 - 84264727, ENGINE - 5801385961 - 84353893, ENGINE 5801425075 - 84387923, ENGINE PN 5802004489 - 145KW, ENGINE 5801366340 - 84285367, ENGINE PN 5802320982 - 212KW, ENGINE PN 5802777627 - 89KW, ENGINE PN 5802713444 - 105KW, ENGINE PN 5802777586 - 96KW, ENGINE PN 5802463429 - 183KW, ENGINE PN 5802453259 - 169KW, ENGINE PN 5802463430 - 169KW, ENGINE PN 5802453261 - 145KW, ENGINE PN 5802463431 - 145KW, ENGINE PN 5802463432 - 121KW, ENGINE PN 5802819940 - 191KW, ENGINE PN 5802854030 - 124KW, ENGINE PN 5802583896 - 142KW, ENGINE PN 5802793738 - 142KW, ENGINE PN 5802583898 - 115KW, ENGINE PN 5802793744 - 115KW, ENGINE PN 5802704157 - 122KW, N67ENTVP22.00 A003 including models 1021G, 1121G, 1150K, 1150M LT, 1150M WT, 1150M WT/LGP, 1650L, 1650M LGP PAT, 1650M WT/LGP, 1650M XLT, 1650M XLT BD, 1650M XLT PAT, 1850K, 2050M LGP BD, 2050M LGP PAT, 2050M LT, 2050M LT BD, 2050M LT PAT, 2050M WT/LGP, 2050M XLT BD, 2050M XLT PAT, 521E, 521F, 521G, 580SM.

Frequently asked questions

What is the part number?

The manufacturer part number is 42559146.

Is this a genuine OEM part?

Yes. Southeastern Equipment stocks OEM and quality aftermarket parts for heavy equipment. Contact us if you need a specific OEM source or aftermarket option.

Will this fit my machine?

See the compatible equipment list above. If your model is not listed, call us with your machine's serial number and we can confirm.

Where does this ship from?

Southeastern Equipment Company ships parts nationwide from our US warehouse. Orders placed before 2 PM ET typically ship same day.

Manufacturer part number
42559146
Internal SKU
IC:42559146
Brand
CASE CONSTRUCTION
Condition
OEM, new
Category
Case Construction
Weight
0.07 lb

Free pickup at any of our 17 branches across Ohio, Indiana, Michigan, and Kentucky. Select your preferred branch at checkout.

30-day no-fault returns. Bought the wrong part? Send it back for a full refund — no restocking fees, no minimums.

This part appears in these diagrams

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