Best 42 Inch Lawn Mower Blades for Lawn Care
Finding the right blades for a 42-inch deck can boost mowing performance, mulching quality, and overall lawn health. The following selections cover a range of 42″ mowers from popular brands, including replacement options for Craftsman, Husqvarna, Poulan, and Cub Cadet systems. Each entry highlights compatibility, blade design, and typical applications to help you compare at a glance.
| Product | Brand | Deck Size | Type | Key Benefit |
|---|---|---|---|---|
| Grasscool 942-04308 Mower Blades | Grasscool | 42 inch | High Lift, 2 Pack | Broad compatibility with Cub Cadet and Troy-Bilt 42″ decks |
| Terre 2 Pack High Lift Blades | T TERRE | 42 inch | High Lift | Multiple OEM cross-compatibility across brands |
| MaxPower 561714B 2 Blade Mulching Set | MaxPower | 42 inch | Mulching | Mulching design for 42″ cuts |
| Grasscool 138971 42 Inch Mower Blades | Grasscool | 42 inch | 5 Point Star | Wide compatibility with Craftsman LT series and Poulan Husqvarna |
| MaxPower 561713XB 2 Commercial Set | MaxPower | 42 inch | Mulching / Commercial | Durable two-blade set for varied 42″ mowers |
The selections below are organized to help you compare design types (high lift vs mulching), evaluate compatibility ranges, and understand how blade construction may influence mowing outcomes. Each product section includes a clickable link to Amazon to review details and confirm fit for your exact mower model.
Grasscool 942-04308 Mower Blades, 2 Pack

The Grasscool blades are designed to replace a broad set of 42″ Cub Cadet, Troy-Bilt, and related models. The set is described as compatible with 42″ Cub Cadet decks and various 42″ mower configurations, including ZT and RZT series. The blades are listed with multiple part-number matches and a 2-pack format, which supports balanced replacement and shorter downtime for maintenance.
Design notes emphasize compatibility with high-lift requirements and a range of deck configurations. The product targets users who need dependable replacement blades that align with the 42″ mower family from multiple manufacturers. The listing aggregates references to several OEM numbers to illustrate broad fit, though users should double-check their center hole pattern and blade width before purchase.
Terre Products, 2 Pack High Lift Blades

Terre’s high-lift blades are advertised for 42″ decks and claim compatibility with Craftsman LT1000, Ariens, Husqvarna, Poulan, Snapper, and Sears machines. The feature list highlights precise dimensions (20-7/8″ length, 2-1/4″ width, .157″ thickness) with a five-point star center hole. This blade is positioned for effective lifting to improve suction and bagging performance on 42″ decks while supporting a range of legacy and newer models.
Users should verify the center hole pattern and ensure the five-point star design matches their spindle before purchasing. The listing emphasizes cross-brand fit, which is useful for households with several mower brands or a replacement blade swap program across machines.
MaxPower 561714B 2 Blade Mulching Set

This MaxPower mulching blade pair is designed for 42″ cut mowers and lists compatibility with Craftsman, Husqvarna, and Poulan OEM numbers including 134149 and 532134149. The set emphasizes a dual-blade configuration intended to improve mulching performance and cut quality by distributing clippings evenly. The blades measure around 21″ long with a 2-1/4″ width, consistent with other 42″ mulching blades in the market.
Potential buyers should confirm their mower’s deck and spindle pattern, as some 42″ models use slightly different center holes or star shapes. The listing targets those upgrading to a dedicated mulching setup without changing the mower’s original mowing dynamics.
Grasscool 138971 42 Inch Mower Blades

Grasscool’s 138971 blades are marketed for Craftsman LT1000, LT2000, and Poulan Pro 42″ decks, with cross-compatibility to several Husqvarna models. The product description references multiple Craftsman and Poulan/ Husqvarna part numbers, signaling broad fit for 42″ riding mowers and deck-mounted blades.
The listing emphasizes a five-point star center hole design and 21″ blade length with multi-brand compatibility. Users replacing older blades may benefit from the 5-point star compatibility, provided their spindle matches the specified hole pattern. This option fits those seeking a reliable replacement with strong cross-brand applicability.
MaxPower 561713B 2-Blade Set for 42″ Cut

This MaxPower set is described as a two-blade mulching configuration compatible with many 42″ Craftsman, Husqvarna, and Poulan mowers. The listing notes fit for models that use the 5-point star or similar spindle patterns and provides guidance on OEM number replacements such as 138498 and 138971. Each blade is listed at about 21″ long with a 2-1/4″ width and a 5-point star center hole.
Buyers should verify their mower’s model, deck, and center hole design to ensure compatibility. The two-blade configuration is intended to deliver improved mulching results while maintaining compatibility with a broad set of 42″ machines in the target brands.
Grasscool 42 Inch Mower Mulching Blades (2 Pack)

Grasscool’s 42-inch mulching blades are designed for Craftsman LT2000 LT1000, Poulan Pro, Husqvarna, and related 42″ deck riding mowers. The listing highlights compatibility with multiple OEM numbers including 532138971 and 532134149, and warns that the 5-point star versus 6-point star center designs are not interchangeable. These blades are specifically marketed as fogging into 5-point star center hole patterns, making centering crucial for proper performance.
For customers prioritizing mulching efficiency and compatibility with common 42″ systems, this option provides a dedicated 2-pack solution with a stated focus on precise center-hole fit and deck compatibility.
2 Pcs Mulching Blades 42 Inch Deck

This product provides a 2-blade set intended for Poulan, Craftsman, Husqvarna, and various 42″ decks. The listing emphasizes OEM replacements for several part numbers, including 134149 and 532138971, and highlights a 5-point star center hole with 20 7/8″ length and 2-1/2″ width, common for 42″ blades. The blades are positioned as compatible with a broad range of Poulan, Craftsman, and Husqvarna 42″ deck mowers.
Potential buyers should match the current blade OEM numbers and confirm a 5-point star center hole to ensure correct installation and performance. The listing presents a versatile option for households with varied mower models requiring 42″ blades.
Buying Guide: Key Purchase Considerations
- Center hole design: Ensure the replacement blade’s center hole shape (5-point star vs 6-point star and diameter) matches your spindle.
- Deck compatibility: Verify the 42″ mower deck model (Craftsman, Husqvarna, Poulan, Cub Cadet, Troy-Bilt, etc.) and confirm OEM or cross-brand compatibility.
- Blade type: Decide between high-lift blades for bagging efficiency or mulching blades for clippings management and lawn nutrient recycling.
- Blade length and thickness: Common dimensions are around 21″ length and 2-1/4″ width with thickness near .157″ to .125″ depending on model; mismatches can cause installation issues or imbalance.
- Material and construction: Look for blades built from durable steel with consistent edge geometry; two-blade sets can offer balanced performance for 42″ decks.
- Maintenance and replacement: Regular inspection for nicks, cracks, and edge dullness helps maintain cut quality and avoid belt or spindle strain.
- Brand vs compatibility: Cross-brand blades can save costs but ensure exact model fit and performance alignment with your mower’s design and safety features.
When evaluating options, compare center hole patterns, blade length, and deck compatibility to ensure the blade you choose fits your specific mower model and delivers the desired mowing or mulching performance without risking drive or spindle wear.