Mower Blades 1758878BMYP / 2820676SM - 42-Inch Deck

Overview

These aftermarket Mower Blades 1758878BMYP / 2820676SM - 42-Inch Deck are replacement mower blades for select Simplicity, Ferris, Snapper mower deck applications using the listed replacement blade number path.

Use this listing when your original blade number matches 1758878BMYP / 2820676SM / 1920676SM / 15498 or another replacement number listed below, and your deck uses the same blade length, center-hole style, blade count, deck size, and blade layout.

Key Features

• Aftermarket mower blade set for select mower deck applications
• Replacement path: 1758878BMYP / 2820676SM / 1920676SM / 15498
• Common deck size: 42 inch
• Blade length: 21-5/16 inch
• Center hole: 0.79 inch
• Blade style: Standard, High lift
• Use the original blade number and physical measurements to confirm fitment

Compatible Brands & Model Series

This blade set is used on select Simplicity, Ferris, Snapper mower deck applications with 42 inch decks.

Source fitment examples:

• Simplicity: Regent Lawn Tractor1696545-00, 1696940-00, 2691278-00, 2691278-01, 2691331-00 . 2691331-01 - 42-inch deck
• Simplicity: 2691367-00, 2691455-00, 2691455-01, 2691455-02, 2691455-03 - 42-inch deck
• Simplicity: Courier Zero-Turn Mower2691318-00, 2691376, 2691376, 2691376, 2691479, 2691657- 42-inch deck 2691362, 2691283, 2691331, 2691362, 2691479-00 - MF2000 - 42-inch deck
• Ferris: S 65Z (2691384) - S65Z Series 42-inch deck Zero-Turn Mower
• Snapper: 360Z (ZT 21542) (2691402, 2691652) - 42-inch deck Zero-Turn Mower360Z (ZT 2342) (2691317, 2691412, 2691506, 2691651, 2691789) - 42-inch deck Zero-Turn MowerSPX 160 (2691700-00) - Snapper LT150 Series 42-inch deck /107cm Lawn Tractor, 17.5hpSPX2342 (2691281, 2691345) - LT150 Series 42-inch deck SPX2542 (2691452, 2691503, 2691663, 2691791) - LT150 Series 42-inch deck Lawn Tractor2691352 - ZTX200, 42-inch deck (107CM) 724cc, 8240 Series
• Snapper: 2691506 - ZT2342, 42-inch deck (107cm) 1696546-00 - 42-inch deck
• Simplicity: 1696545-00, 1696545-01, 1696940-00 - 42-inch deck Mower DeckRegent 42-inch deck Lawn Tractor: 2691278-00, 2691278-01, 2691331-00 - 23HP B&S2691331-01, 2691367-00, 2691455-00 - 23HP B&S2691455-01, 2691455-02, 2691455-03 - 23HP B&SCourier 42-inch deck Zero-Turn Mower: 2691318-00, 2691318-01, 2691318-02 - 23HP B&S2691376-00, 2691376-01, 2691376-02 - 23HP B&S2691479-00 - 726cc Kaw.2691657-00 - 23HP B&S2691658-00 - 21.5HP Kaw.42-inch deck Lawn Tractor: MF 2000 (2691283-00) - Massey Ferg., 23HP B&S
• Snapper: 42-inch deck Zero-Turn Mower: 360Z (ZT 21542) (2691402-00)(2691402-01) - 21.5hp360Z (ZT 21542) (2691402-02) - 21.5hp360Z (ZT 21542) (2691652-00) - Fab Deck, 21.5HP CARB360Z (ZT 2342) (2691317-00)(2691317-01) - FAB Deck, 23hp360Z (ZT 2342) (2691317-02) - FAB Deck, 23hp360Z (ZT 2342) (2691317-03) - FAB Deck, 23hp360Z (ZT 2342) (2691412-00)(2691412-01) - 23hp360Z (ZT 2342) (2691506-00)(2691789-00) - FAB Deck, 23hp360Z (ZT 2342) (2691651-00) - Fab Deck, 23HP CARBLT150 Series 42-inch deck Lawn Tractor: SPX 160 (2691700-00) - 17.5hpSPX 2342 (2691281-00) - Fab Deck, 23hpSPX 2342 (2691345-00)(2691345-01) - 23hpSPX 2542 (2691452-00)(2691452-01) - Fab Deck, 25hpSPX 2542 (2691503-00)(2691663-00) - Fab Deck, 25hpSPX 2542 (2691663-01)(2691663-02) - Fab Deck, 25hpSPX 2542 (2691791-00) - Fab Deck, 25hp1696546-00 - 42-inch deck /107cm Fab Mower Deck

Fitment note: Model names, deck sizes, and serial ranges are provided as fitment clues. Match the original blade number, blade length, center-hole style, blade count, deck size, and mower model before ordering.

Replaces OEM Part Numbers

• 1758878BMYP
• 2820676SM
• 1920676SM
• 15498

Blade Specifications

• Blade length: 21-5/16 inch
• Blade width: 1.97 inch
• Blade thickness: 0.21 inch
• Center hole: 0.79 inch
• Common deck size: 42 inch
• Blade type: Standard, High lift

Common Symptoms of Worn Mower Blades

• Uneven cut quality
• Grass tearing instead of cutting cleanly
• Visible blade wear, cracks, bends, or rounded cutting edges
• Deck vibration from bent or unbalanced blades

Quick Ship Fulfillment

This item may ship directly from one of our trusted U.S. distribution partners to help reduce transit time. Packaging, labeling, or warehouse origin may vary, but the part will match the replacement numbers, fitment notes, and specifications shown in this listing.

Why Buy From PTO Direct USA

• Focused replacement parts for mower deck and PTO repair
• Part-number-first listings to help reduce fitment mistakes
• Clear replacement numbers and fitment notes before you order
• Fast, practical support if you need help checking compatibility

Need Help Confirming Fitment?

If you are not sure whether this blade set fits your mower, send us your mower model number, deck size, and the part numbers from your original blades. We can help you compare them before you order.

FAQ

Will this fit all 42 inch decks?

No. This blade set fits select applications only. Match your original blade number, blade length, center-hole style, deck layout, and mower model before ordering.

What should I check before installing?

Compare blade length, center-hole pattern, lift style, deck layout, and original blade number against your mower or OEM diagram. Stop installation if the blades do not match your original setup.