MTD Genuine Parts Mulching Blades for 21-in Lawn Mowers - Durable Fit

In this review the MTD Genuine Parts mulching blades for 21-in lawn mowers are evaluated for homeowners and weekend landscapers who need a reliable, direct-fit replacement. The bottom line: these blades and the included adapter kit are worth buying if you want factory-spec performance and a solid mulching, bagging and side-discharge option for 21-in decks from 1995 and later. The review focuses on fit, material quality and ease of installation so readers can decide quickly whether this is the right replacement part for their mower.

Key Features

• Direct fit for 21-in mowers: Designed to fit 21-in cutting decks from 1995 and after, which reduces fuss during replacement and restores original cutting geometry.
• Wide brand compatibility: Works with many major brands such as Troy-Bilt, MTD, Yard-Man, Yard Machines, Huskee and Bolens, so it covers a broad range of models.
• 3-in-1 mulching blade: Engineered to handle mulching, bagging and side discharge effectively, giving flexible mowing options without changing blades.
• Factory-grade construction: Made from durable steel to original equipment specifications and factory tested for fit and strength, which improves longevity and safety.
• Adapter kit included: The blade adapter kit with keyed adapter and mounting hardware simplifies installation and replaces worn adapters for a secure connection.

Who It's For

This product is aimed at homeowners who already own a compatible 21-in mower from the mid 1990s onward and want a like-for-like, durable replacement that restores cutting performance. It is also a good choice for anyone looking for a single blade that handles mulching, bagging and side discharge without swapping blades.

It is less suitable for users with non-compatible deck sizes or very specialized cutting needs that require aftermarket performance blades. Also, those who prefer stainless or coated blades for corrosion resistance should check alternatives, since these are factory steel blades built to original specifications.

Pros & Cons

Pros

• Fits 21-in mowers from 1995 and after, providing a reliable, OEM-style replacement.
• Positive feedback on sharpness and mulching quality means it cuts like new in many customer experiences.
• Includes keyed blade adapter and mounting hardware, making installation straightforward.
• Factory-tested steel construction offers strength and consistent performance.

Cons

• Not a corrosion-resistant material specification, so users in very wet climates may want alternative coatings.
• Only compatible with 21-in decks and the listed fit years, so mower fit must be confirmed before purchase.

Specifications

Product type	Mulching blade and adapter kit
Fits deck size	21 in
Compatible years	1995 and after (blade), 1997 and after (adapter fit)
Compatible brands	Troy-Bilt, MTD, Yard-Man, Yard Machines, Huskee, Bolens
Replaces O.E. numbers	942-0741, 942-0741A, 742-0741, 742-0741A
Adapter included	748-0376E keyed blade adapter and mounting hardware
Material	Factory steel to OEM specifications

Our Verdict

The MTD Genuine Parts mulching blades with adapter kit are a practical, value-focused replacement for owners of compatible 21-in mowers who want OEM fit and restored cutting performance. With strong construction, included hardware and positive reports on sharpness and mulching quality, this is a sensible buy for most homeowners who need a dependable, easy-to-install blade.

Frequently Asked Questions

Will these blades fit my 21-in mower?
They fit most 21-in mowers from 1995 and after, but confirm your mower model and spindle/adapter compatibility before purchasing.

Is the adapter included?
Yes, the blade adapter kit includes the 748-0376E keyed blade adapter and mounting hardware for installation.

Can I use these for mulching and bagging?
Yes, the blades are 3-in-1 and are designed to mulch, bag and side discharge effectively.