Hover
493-21020 – OEM LOCK WASHER – CASE CONSTRUCTION
Enhance the durability of your heavy equipment with the Case Construction Lock Washer #493-21020. Designed for optimal performance, this reliable component ensures secure fastening, reducing wear and tear in demanding construction environments. Trust Case for quality and longevity.
$0.34
Earn 1 Points with purchase!
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Model Machine Type Year 1085B CASE CRUZ-AIR WHEELED EXCAVATOR 1985 - 1985 1085C CASE CRUZ-AIR WHEELED EXCAVATOR 1984 - 1989 1086B CASE CRUZ-AIR WHEELED EXCAVATOR 1985 - 1985 1150E CASE CRAWLER TRACTOR 1985 - 1994 1150G CASE CRAWLER TRACTOR 1995 - 1999 1150H CASE CRAWLER TRACTOR 2000 - 2006 1155E CASE CRAWLER TRACTOR 1985 - 1994 1187C CASE FELLER/BUNCHER CRAWLER EXCAVATOR 1989 - 1992 1818 CASE UNI-LOADER SKID STEER LOADER (AFTER S/N JAF0069386) 1991 - 1997 1825B CASE UNI-LOADER SKID STEER LOADER 1996 - 2003 1835C CASE UNI-LOADER SKID STEER LOADER 1987 - 1995 1838 CASE UNI-LOADER SKID STEER LOADER 1994 - 1996 1840 CASE UNI-LOADER SKID STEER LOADER 1989 - 2001 2050M LGP BD CRAWLER DOZER - TIER 4B 2016 - 2022 2050M LGP PAT CRAWLER DOZER - TIER 4B 2016 - 2022 2050M LT BD CRAWLER DOZER - TIER 4B 2016 - 2016 2050M LT PAT CRAWLER DOZER - TIER 4B 2016 - 2017 2050M XLT BD CRAWLER DOZER - TIER 4B 2016 - 2022 2050M XLT PAT CRAWLER DOZER - TIER 4B 2016 - 2022 26D BACKHOE 1980 - 1989 40EC DROTT SERIES-A CRAWLER EXCAVATOR 1971 - 1979 40XT CASE SKID STEER LOADER 2001 - 2005 40YC DROTT SERIES-A CRAWLER EXCAVATOR 1971 - 1979 410 SKID STEER - 410 NA BSN N7M480924 410 EU BSN N7M468736 2005 - 2008 410 SKID STEER - SERIES 3 410 NA ASN N7M480924 410 EU ASN N7M468736 2008 - 2011 420 SKID STEER - 420NA BSN N7M466710 420EU BSN N8M466713 2005 - 2008 420CT COMPACT TRACK LOADER - BSN N7M455401 2006 - 2007 420CT COMPACT TRACK LOADER - SERIES 3 ASN N7M455401 2008 - 2011 430 SKID STEER BSN 430 NA N7M479683 430 EU N7M479546 2005 - 2008 435 SKID STEER - BSN N7M425032 2004 - 2007 440 SKID STEER - 440 NA BSN N8M474469 440 EU BSN N8M407542 2005 - 2008 440 SKID STEER - SERIES 3 440 NA ASN N8M474469 440 EU ASN N8M407542 2008 - 2011 440CT COMPACT TRACK LOADER - BSN N7M483467 2006 - 2007 440CT COMPACT TRACK LOADER - SERIES 3 ASN N7M483467 2008 - 2011 445 SKID STEER - BSN N7M454787 2004 - 2007 445CT COMPACT TRACK LOADER - BSN N8M458846 2005 - 2007 450 SKID STEER TIER 2 PIN N7M458414 & PRIOR 2005 - 2007 450CT COMPACT TRACK LOADER - BSN N7M464019 2005 - 2007 460 CASE TRENCHER 1994 - 2004 465 SKID STEER BSN N7M452623 2005 - 2007 480F CASE CONSTRUCTION KING LOADER BACKHOE 1989 - 1994 480F LL CASE CONSTRUCTION KING LOADER BACKHOE 1989 - 1994 521D CASE WHEEL LOADER (BEFORE S/N JEE0135500) 2000 - 2002 550 CASE LONG TRACK CRAWLER TRACTOR 1989 - 1991 550E CASE LONG TRACK CRAWLER TRACTOR 1992 - 1994 550G CASE LONG TRACK CRAWLER TRACTOR 1995 - 1998 550H CASE CRAWLER TRACTOR 1999 - 2008 550H IND - CASE CRAWLER TRACTOR 1999 - 2008 560 CASE TRENCHER 1993 - 2004 570LXT LOADER LANDSCAPER 1994 - 1997 570MXT LOADER LANDSCAPER 2001 - 2008 570MXT SERIES 3 LOADER LANDSCAPER TIER 3 - ASN N8C510600 2008 - 2012 580K LOADER BACKHOE (NORTH AMERICA) (ASN JJG0020000) 1987 - 1994 580L SERIES 2 LOADER BACKHOE - ASN JJG0239360 1997 - 2000 580SK CASE SUPER-K CONSTRUCTION KING LOADER BACKHOE 1996 - 1996 580SL LOADER BACKHOE - BSN JJG0239361 1998 - 2000 580SL SERIES 2 LOADER BACKHOE - ASN JJG0239360 1994 - 2000 584E CASE CONSTRUCTION KING FORKLIFT 1988 - 1999 585E CASE CONSTRUCTION KING FORKLIFT 1988 - 1988 585G CASE FORKLIFT 1999 - 2008 586E CASE CONSTRUCTION KING FORKLIFT 1988 - 1988 586G CASE FORKLIFT 1999 - 2008 586H FORKLIFT - LIVERY - TIER 4B 2016 - 2022 586H FORKLIFT - TIER 4A 2012 - 2014 586H FORKLIFT - TIER 4B 2014 - 2016 588G CASE FORKLIFT 1999 - 2008 588H FORKLIFT - LIVERY - TIER 4B 2016 - 2022 588H FORKLIFT - TIER 4A 2012 - 2014 588H FORKLIFT - TIER 4B 2014 - 2016 590 TURBO LOADER BACKHOE 1988 - 1991 590L LOADER BACKHOE 1998 - 1998 590SL LOADER BACKHOE 1995 - 1998 590SL SERIES 2 LOADER BACKHOE - ASN JJG0210575 1998 - 2000 60 CASE TRENCHER 1991 - 2001 60XT CASE SKID STEER LOADER 2002 - 2005 621 CASE WHEEL LOADER (PRIOR TO S/N JAK0021701) (NORTH AMERICA) 1992 - 1993 621C CASE WHEEL LOADER 1999 - 2001 650 CASE CRAWLER TRACTOR 1990 - 1991 650G CASE CRAWLER TRACTOR 1994 - 1999 650H CASE CRAWLER TRACTOR 2000 - 2002 650K SERIES 1 CRAWLER - 07/01/2002 - 01/31/2005 2002 - 2005 650K SERIES 2 CRAWLER TIER 2 - 01/21/2005 - 06/16/2006 2005 - 2008 650K SERIES 3 CRAWLER TIER 2 - 06/20/2006 - 12/31/2008 2005 - 2008 650M LT CRAWLER DOZER - TIER 4B 2017 - 2022 650M WT CRAWLER DOZER - TIER 4B 2017 - 2022 660 CASE TRENCHER 1986 - 2003 680L CASE CONSTRUCTION KING LOADER BACKHOE 1988 - 1993 689G CASE TELESCOPIC HANDLER 1998 - 2005 70XT CASE SKID STEER LOADER 2002 - 2005 721C CASE WHEEL LOADER 1999 - 2002 750H CASE CRAWLER TRACTOR 2000 - 2002 750K SERIES 1 CRAWLER - 07/01/2002 - 01/31/2005 2002 - 2005 750K SERIES 2 CRAWLER TIER 2 - 01/21/2005 - 06/16/2006 2005 - 2008 750L CRAWLER DOZER TIER 3 2008 - 2012 750M LT CRAWLER DOZER - TIER 4A 2013 - 2016 750M LT CRAWLER DOZER - TIER 4B 2017 - 2022 750M WT CRAWLER DOZER - TIER 4B 2017 - 2022 750M WT/LGP CRAWLER DOZER - TIER 4A 2012 - 2016 75XT CASE SKID STEER LOADER 2002 - 2005 760 CASE TRENCHER 2000 - 2004 770EX TRACTOR LOADER BACKHOE - TIER 4 2021 - 2022 770EX PLUS TRACTOR LOADER BACKHOE - TIER 4 2021 - 2022 780D CASE CONSTRUCTION KING LOADER BACKHOE 1988 - 1993 800 CASE CRAWLER TRACTOR (UP TO S/N 7083999) 1957 - 1963 800 CASE INDUSTRIAL CRAWLER TRACTOR (AFTER S/N 7084000) 1961 - 1963 821E WHEEL LOADER TIER 3 NA/EU 2006 - 2011 850E CASE LONG TRACK CRAWLER TRACTOR 1992 - 1994 850G CASE CRAWLER TRACTOR 1994 - 1999 850H CASE CRAWLER TRACTOR 2000 - 2002 850K SERIES 1 CRAWLER - 07/01/2002 - 01/31/2005 2002 - 2005 850K SERIES 2 CRAWLER TIER 2 - 01/21/2005 - 06/16/2006 2005 - 2008 850K SERIES 3 CRAWLER TIER 2 - 06/20/2006 - 12/31/2008 2005 - 2008 850L CRAWLER DOZER TIER 3 2008 - 2013 850M LT CRAWLER DOZER - TIER 4A 2013 - 2016 850M LT CRAWLER DOZER - TIER 4B 2016 - 2022 850M WT CRAWLER DOZER - TIER 4B 2016 - 2022 850M WT/LGP CRAWLER DOZER - TIER 4A 2013 - 2016 855E CASE LONG TRACK CRAWLER TRACTOR 1992 - 1994 860 CASE TURBO TRENCHER 1992 - 2002 90XT CASE SKID STEER LOADER 1997 - 2005 921 CASE WHEEL LOADER 1992 - 1995 95XT CASE SKID STEER LOADER 2001 - 2005 960 CASE TURBO TRENCHER 1992 - 2004 MAXI SNEAKER - SERIES-C TRENCHER 1993 - 1999 W30 CASE WHEEL LOADER 1982 - 1989
