Sicherungsmutter M4 ISO 7040 (Sechskant, selbstsichernd)

M4 Lock Nut ISO 7040 – MPN 732 25 12-01

This M4 self-locking hex nut (ISO 7040) is a common Husqvarna Automower spare part and fits e.g. Automower® 320/330X/420.

• M4 thread, self-locking (locking nut)
• Standard: ISO 7040; marking: 8; ZPB (per parts list)
• Number variants: 732251201 / 7322512-01 / 588222101
• Used & tested, carefully packed

Tech

• Type: hex lock nut
• Thread: M4
• Standard: ISO 7040
• Version: 8, ZPB

Installation

Clean the threads and tighten with care. Do not overtighten.

Before ordering, match model year and part numbers with your parts list.

• Confirm M4 is required
• Check tightness after first run if vibration is high
• Note: used e.g. on AM-G1 front support

Compatibility

Modell	Passende Artikelnummern/MPN	Ersetzt (belegt)	Hinweis/Version
Husqvarna Automower® 320 – 2013–2015 McCulloch Rob R600/800/1000 – 2017–2019 McCulloch ROB S400/500/600/800 – 2019–2021 Husqvarna Automower® 105 – 2016–2023 Husqvarna Automower® 115H (USA) – 2019–2021 Husqvarna Automower® 305 – 2011–2015, 2020–2025 Husqvarna Automower® 308 – 2013–2015 Husqvarna Automower® 310 – 2015–2021 Husqvarna Automower® 310 Mark II – 2022–2025 Husqvarna Automower® 315 – 2015–2021 Husqvarna Automower® 315 Mark II – 2022–2025 Husqvarna Automower® 315X – 2018–2020 Husqvarna Automower® 315X Limited – 2020 Husqvarna Automower® 330X – 2013–2015 Husqvarna Automower® 405X – 2021–2024 Husqvarna Automower® 415X – 2021–2024 Husqvarna Automower® 420 – 2016–2023 Husqvarna Automower® 430X – 2016–2023 Husqvarna Automower® 430XH (USA) – 2019–2022 Husqvarna Automower® 435X AWD – 2019–2024 Husqvarna Automower® 435X AWD NERA – 2025–2027 Husqvarna Automower® 440 – 2017–2022 Husqvarna Automower® 450X – 2016–2023 Husqvarna Automower® 450XH (USA) – 2019–2022 Husqvarna Automower® 520 – 2018–2023 Husqvarna Automower® 520 EPOS – 2024–2025 Husqvarna Automower® 535 AWD – 2019–2024 Husqvarna Automower® 535 AWD EPOS – 2025–2027 Husqvarna Automower® 550 – 2018–2023 Husqvarna Automower® 550 EPOS – 2021–2024 Husqvarna Automower® 550H EPOS (USA) – 2021–2022 Husqvarna Automower® 550H USA – 2019–2022 Husqvarna Automower® G1 – 1998–2003 Husqvarna Ceora® 544 / 546 EPOS – 2022–2023 Husqvarna Solarmower – 1995–2001 Gardena® R38Li, R40Li, R45Li, R50Li – 2012–2019 Gardena® R70Li, R75Li, R80Li – 2013–2019 Gardena® Sileno Sileno+ R100Li, R130Li, R160Li – 2016–2021 Gardena® smart SILENO, SILENO+ – 2016–2017 Gardena® SILENO minimo – 2021–2022 Flymo 1200R – 2013–2018 Flymo Easilife 200/350/500/800 – 2020–2021 Flymo EasiLife GO – 2021–2025	732251201, 7322512-01, 732 25 12-01, 732251401, 7322514-01, 732 25 14-01, 5882221, 58822210, 588222101, 5882221-01, 588 22 21-01, 58822210X, 7391883128435, AM588222101, AM732251201	—	M4 self-locking hex nut (ISO 7040). Legacy P/N 732251201; compatible history: 588222101, 732251401.

Important: verify platform/generation and number variants before purchase.

• M4 self-locking hex nut to ISO 7040 (ZPB per parts list)
• Legacy P/N 732251201; compatible history incl. 588222101 and 732251401
• Fits many Husqvarna Automower®/Gardena®/McCulloch/Flymo models (see table)
• Used & tested part—great replacement when a nut is missing or comes loose