Mountfield Blade 51cm 181004381/1

Genuine Blade for the lawn mower models listed below.

• Genuine Spare Part
• Direct from manufacturer

This Blade is designed to fit the lawn mower models listed below. Please ensure you check both your model number and year of manufacture against this list. If you do not see your model number or year, please call us on 01986 785272 and we will be happy to assist.

All parts are shipped from our head office in the United Kingdom.

Please be aware that over time, part numbers may be changed or superseded, for the most up to date information we would always recommend contacting us for guidance.

We would always recommend that parts are fitted by your local service dealer. elivery day or address, this can be done using the link supplied.

Compatible Models:
4120 HP (2009), 414-B (2017), 420 HP (2007, 2008), 420 PD (2008), 421 HP (2006-2009), 421 PD (2008, 2009), 422 HP (2007, 2009), 422 PD (2009), 430 HP (2008), 4310 HP (2008, 2009), 4320 HP (2008, 2009), 4330 HP (2008, 2009), 45 (2005), 45 S (2005), 46 HP H (2006), 46 PD (2005), 46 PD ES (2005), 460 HP (2007, 2008, 2010), 460 PD (2007, 2008, 2010), 460 PD/ES (2007, 2008), 461 HP (2006-2010), 461 PD (2006, 2007, 2010), 461 PD ES (2010, 2011), 462 HP (2007, 2008, 2010), 462 PD (2007, 2009, 2010), 4620 PD (2009), 463 PD/ES (2007, 2008), 4630 PD (2009), 464 PD (2009), 464 PD/ES (2009), 464 TR-B (2017-2019), 46R PD (2004), 4810 HP (2008, 2010), 4810 PD (2008, 2010), 4810 PD BW (2008, 2009), 4810 PD ES (2008, 2009), 4810 PD INOX (2009), 4820 HP (2008-2010), 4820 HP (2011-2019), 4820 PD (2008-2014, 2016-2019), 4820 PD BW (2008-2014, 2016-2018), 4820 PD BW EL 4S (2015-2019), 4820 PD INOX (2009), 4830 HP (2008, 2009), 4830 PD (2008, 2010), 4830 PD BW (2008, 2009), 4830 PD INOX (2009), 5020 PD (2008, 2009), 51 PD (2005), 510 PD (2007, 2008), 510 PD 4S BW INOX (2010), 510 PD/ES (2007, 2008), 511 PD (2006, 2007), 511 PD INOX (2010), 512 PD (2007), 512 PD 4S BW INOX (2010), 513 PD (2007, 2008), 513 PD/BW (2007), 513 PD/ES (2007, 2008), 514 PD (2008, 2009), 514 PD/ES (2009), 5310 PD (2008, 2009), 5310 PD BW (2008, 2009), 5310 PD BW INOX (2009), 5310 PD ES (2008, 2009), 5310 PD INOX (2008, 2009), 5320 PD (2008, 2009), 5320 PD 4S INOX (2008, 2009), 5320 PD BW (2008, 2009), 5320 PD ES (2010), 5330 PD (2008, 2009), 5330 PD 4S BW INOX (2009), 5330 PD 4S INOX (2008, 2009), 5330 PD BW (2008, 2010), AL511 PD (2013, 2014), ES 464TRB (2013), HP 180R (2016), HP 184 (2010), HP 454 (2010), HP 470 (2007), HP 474 (2009, 2010), HP 180 (2013-2018), HP 180R (2017, 2018), HP 183 (2014), HP 184 (2011-2013), HP 185 (2015-2019), HP 425 (2011-2017), HP 45 (2016-2019), HP 454 (2011-2014, 2016-2018), HP 45H (2016, 2017), HP 46 (2013, 2014), HP 465 R (2012), HP 46 R (2012, 2013), HP 474 (2011), HW 460 PD (2010), HW 461 PD ES (2010), HW 462 PD 4S (2010), HW 464 PD (2010), HW 510 PD (2010, 2011), HW 511 PD (2008, 2011), HW 511 PD ES (2010), HW 512 PD 4S (2010, 2011), HW 514 PD (2010, 2011), HW S510 PD (2011), HW 514 PD (2009), M 430 HP (2009), M 460 HP (2010), M 462 HP (2010-2013), M 4820 PD BW 4S (2018, 2019), M 510 PD (2009, 2010), M 512 PD (2010), M4 80 PD (2010), M 512 PD 3S BW (2010), ML 5060 PD (2009), ML 5590 PD (2009), MLF 4845 TR (2010), MLF 48 TRHGR (2009), MLF 53 TRHGR (2009), MLFI 53 TRHV (2009), MLFI 5365 TRHV (2010), MLFW 5355 TRHVQ (2011), MLFW 5360 TRBQ (2011), Molemaster 46HP (2016-2018), Molemaster 46 PD (2015-2018), 45 (2005), HP 465 R (2013), S 461 R HP (2013), S 461 R PD ES (2013), SP 46 (2013), SP 465 (2013), SP 535 (2007), NT 484 TR-B (2013), NW 484 TR – B (2011), S 420 HP (2009-2011), S 420 PD (2009, 2010), S 420 PD (2011), S 421 HP (2008, 2010), S 421 PD (2008, 2010), S 421 HP (2011, 2012), S 421 PD (2011, 2012), S 421 R HP (2014-2019), S 421 R PD (2014-2019), S 422 HP (2010), S 422 PD (2010), S 460 HP (2010), S 460 PD (2010, 2011), S 460 PD (2009,2010), S 461 PD (2008), S 461 PD – RM 45 (2010), S 461 PD ES (2010-2014), S 461 HP (2010-2011), S 461 PD (2009-2011), S 461 R HP (2012, 2014), S 461 R PD (2012-2014, 2016-2019), S 461 R PD ES (2012, 2014-2017), S 461 R PD Instart (2018), S 461 R PD LS (2019), S 464 PD (2010-2013), S 510 PD (2011, 2010), S 510 PD BW (2010), S 511 PD (2010, 2011), SL 464 – HP454 (2013), SP 184 (2010), SP 454 (2010, 2013, 2016), SP 474 (2009, 2010), SP 500 (2012-2014), SP 530 HW (2012-2013), SP 534 (2007-2009, 2012), SP 534 ES (2008), SP 535 (2007-2009), SP 535 BW EL 4S (2015-2018), SP 536 (2010, 2011), SP 536 ES (2010), SP 180 (2013-2018), SP 180 R (2016-2018), SP 183 (2014), SP 184 (2011-2013), SP 185 (2015-2019), SP 425 (2011-2013), SP 425 R (2014-2019), SP 42 R (2014, 2015), SP 45 (2014, 2017-2019), SP 454 (2011-2014, 2017, 2018), SP 46 (2014), SP 465 (2010-2012, 2014, 2015), SP 465 R (2012-2019), SP 470 (2007), SP 470 ES (2005-2006), SP 534 (2007), SP 535 HW (2010-2015), SP 535 HW 4S (2011-2018), SP 536 (2013), SP 536 ES (2011), Liner 16 (2014-2019), Liner 16 S (2014-2019), Liner 16 SH (2015-2019), Liner 18 (2012, 2013), Liner 18 S (2012-2019), Liner 18 SE (2012-2019), Liner 18 SH (2015-2019), Quattro 18 (2013), Quattro 18 S (2012-2014), Quattro 18 SE (2013, 2014), Quattro 20 S (2012, 2013), Quattro 20 S 4 in 1 (2013, 2014), Quattro 20 SE 4 SPEED (2012, 2013), Quattro 21 SA (2014, 2016), Quattro 21 SAH (2015)

Technical specs

General info

Overall dimensions