18" Notched Air Lift Blade Compatible With John Deere Lawnmower OEM AM104490
This is a high-quality aftermarket replacement part, these parts are often made by the same company that make the branded parts, these Stens parts offer a really good alternative to OEM parts and are brilliant value, yes you may find cheaper but I doubt you will get the same quality of part unless you buy genuine replacement parts.
Stens replacement notched airlift blade fits John Deere models listed
- 36" deck requires a set of 2
- 52" deck requires a set of 3
*Please note this listing is for a single blade you will need to choose the quantity you require for your deck*
These blades replace the following John Deere OEM part numbers
- AM104490
- PT8721
- TCU29188
- TCU34280
- TCU37208
Spec
- Length 18"- 457.2mm
- Center hole 5/8"- 15.9mm
- Width 2 1/2"- 63.5mm
- Thickness 0.203"- 5.2mm
- Packaging type Branded label
These blades also replace the following manufacturers OEM part numbers
- Ariens 00273100, 03399704, 04916400, 04917900, 3399704
- Bad Boy 038-3000-00
- Bobcat 112111-02, 12111-02, 32022A, 32022HD, WM132022
- Bunton 6294, P2005, PL4206
- Encore 363046, 363291, 481707, 482462, 823004
- Exmark 103-2508, 103-2518, 103-2518-S, 103-2528, 103-6582-S, 103-6584, 103-6584-S, 1-303146, 1-303283, 1-303495, 1-303527, 1-633482, 1-633485, 633482, 633484, 633485, E633482, E633485
- Ferris 1521227, 1521227S, 5021227, 5101756, 5101756S, A48185
- Gravely 00450300, 04916400
- Great Dane D18037, GDU10231
- Husqvarna 539100341
- Jacobsen 390655
- John Deere AM104490, PT8721, TCU29188, TCU34280, TCU37208
- Kees 100341, 101485, 363055, 363245
- Lesco 013826, 050125, 050140, 050241, 103-2528, 12111-02, 32022A, 32022HD, 363055, 50125, 50140, 633482
- Scag 48108, 481707, 481711, 48185, 482462, 482878, A48108, A48185
- Snapper 100341, 101485, 12111-02, 1-7037, 1-7344, 32022A, 32022HD, 363055, 7017037, 7075751, 7075751BMA, 7075751BZ, 7075751BZYP, 7076450, 7077344, 75751, 7-6450, 7-7344
- Toro 103-2508, 103-2518, 103-2528, 105-7781, 105-7781-03, 108-1117, 110-0408, 1-633482, 1-633485
- Worldlawn 363291, 823004
- Wright Mfg. 50125, 71440001
- Yazoo 363055
Required Amounts for a full set
- AYP Requires 3 for 52" deck
- Bobcat Requires 2 for 36" deck; 3 for 54" deck
- Encore HydroPro and Premier Pro Series walk-behinds, Pro-Line Rider, Prowler Mid-Cut, X-Treme and Z-Series; Requires 2 for 36" deck; 3 for 52" deck
- Exmark Requires 2 for 36" deck; 3 for 52" deck
- Great Dane Requires 2 for 36" deck; 3 for 52" deck
- Husqvarna Requires 2 for 36" deck; 3 for 52" deck
- John Deere Requires 2 for 36" deck; 3 for 52" deck
- Kees Requires 2 for 36" deck; 3 for 52" deck
- Lesco Requires 2 for 36" deck; 3 for 52" deck
- Scag Tiger Cub, Turf Tiger and Wildcat; requires 2 for 36" deck; 3 for 52" deck
- Toro Requires 2 for 36" deck; 3 for 52" deck
- Wright Mfg. Requires 2 for 36" deck; 3 for 52" deck
Stens Part Number 340-158
FAQ
Frequently Asked Questions
Questions we get asked by our customers. If you need more help please get in touch via our chat.
We aim to dispatch all orders within 1 business day. Orders placed before 2pm are usually shipped the same day.
We ship 99% of our orders via Royal Mail. If you select the free shipping option, you will typically receive your parts within 4 working days.
We stock both genuine parts and premium aftermarket alternatives under our own brand, HardRidge Parts, designed for durability and performance.
Each product page includes compatibility information. If you’re unsure, just contact us with your model number—we’re happy to help.
Look for a sticker on the lawnmower deck—it will show the model year and often an ART number. We can identify your machine using that information.
We offer a 30-day return policy. Parts must be unused and in their original condition. Please see our Returns Policy page for full details.
At the moment, we only ship within the UK.
Orders under £30 are sent via Royal Mail 2D tracking, which provides delivery confirmation but not live updates. Orders over £30 are sent with a fully tracked service via Royal Mail or Evri.
You can email us atsales@outdoorspares.comor use the contact form on our Contact Us page. We typically respond within 24 hours on business days. We also offer live chat and usually reply straight away, though during busy periods it may take a little longer.