42" Deck Replacement High Lift Blades for 942-04308 942-04308A 742-04308 742-04312 942-04312- Compatible with Cub Cadet XT1-LT42 XT2-LX42 Riding Mower Craftsman LT1500 Troy Bilt Bronco 42 - 2 Pack Review
By the Mowers.Cloud editorial team · How we research & rate · Updated June 2026
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This isnât a mowerâitâs the replacement high lift blade set for 42-inch decks on popular riding mowers like the Cub Cadet XT1-LT42, XT2-LX42, Craftsman LT1500, and Troy-Bilt Bronco 42. Designed for homeowners who want to restore or upgrade their machineâs cutting performance, this two-pack of blades (model 942-04308/942-04312) is built to handle thick, tall, or damp grass with better suction and lift than standard blades. If your current blades are dull, chipped, or just not giving you that clean, striped finish, this is the fix.
Who Should Buy This
- Homeowners with 1/2 to 2-acre lawns who use a 42-inch rider and want a crisp, professional-looking cut without upgrading the whole mower.
- Cub Cadet XT1-LT42 or XT2-LX42 owners looking for a direct OEM-style replacement that bolts right on without modification. No guesswork.
- DIY maintenance types who sharpen their own blades but know when itâs time to replace instead of resharpenâespecially after hitting rocks, roots, or dealing with years of wear.
- Budget-conscious shoppers who want a two-pack for $19.99 instead of paying $30+ for single blades at big-box stores. This is a solid value if you need spares or have a second rider.
Key Features Breakdown
- 42-inch deck compatibility: These blades fit a wide range of tractors using the same spindle pattern (Cub Cadet, Craftsman, Troy-Bilt, MTD). No adapters or modifications required. Just remove the old ones and install.
- High lift design: The curved, aggressive wing on each blade creates strong upward airflow. This lifts grass before cutting, resulting in a more even clip and better bagging performance. If youâre mulching or side-discharging, this also helps prevent clumps.
- Two-pack: You get two blades for $19.99, which covers a full deck replacement. Thatâs about $10 per bladeâcompetitive with generic brands but with OEM-level fitment specs.
- Durable steel construction: These are stamped from hardened steel, not flimsy stamped tin. They hold an edge reasonably well through a season of weekly mowing, though theyâll dull faster in sandy soil or on rocky terrain.
- Direct replacement for multiple OEM part numbers: 942-04308, 942-04308A, 742-04308, 742-04312, 942-04312. Just cross-check your model before buying.
Pros
- Perfect fit for Cub Cadet XT1 and XT2 seriesâno filing, no wobble, no shims needed. The center hole and oval mounting holes match exactly.
- Better lift than standard bladesâespecially noticeable in damp or thick fescue. The cut is more uniform, and youâll see fewer stragglers left behind.
- Great price for a two-packâat $19.99, youâre paying less per blade than most single replacements at local hardware stores.
- Works for mulching, bagging, and side-dischargeâthe high lift design improves performance across all three modes, though itâs best for bagging.
- Easy installationâbasic hand tools and a jack or blocks are all you need. Most DIYers can swap these in under 30 minutes.
- Solid customer satisfactionâ4.6 stars from over 250 reviews, with consistent praise for fit and cutting quality.
Cons
- Not for all 42-inch decksâwhile they fit many MTD-built tractors, always verify your spindle pattern. Some older Craftsman or Troy-Bilt models may require different blades.
- High lift blades require more engine powerâif your mower is underpowered or youâre mowing very tall grass, you might notice the engine bog down more than with low-lift blades.
- Sharper edges out of the box would be niceâthey cut well, but theyâre not razor-sharp. Plan on a quick touch-up with a file or grinder if you want a pristine finish.
- Not a premium upgradeâthese are quality replacements, not aftermarket âgatorâ or mulching blades. If youâre looking for extreme mulching performance, consider a dedicated mulching blade set instead.
Bottom Line
If you own a Cub Cadet XT1-LT42, XT2-LX42, Craftsman LT1500, or similar 42-inch rider, this two-pack of high lift blades is a no-brainer purchase. For $19.99, you get direct-fit replacements that restore your mowerâs cutting performance, improve bagging, and handle thick grass better than worn-out or generic blades. Theyâre not a performance upgrade for extreme mulching, but theyâre exactly what you need for a reliable, clean cut season after season. Highly recommended for anyone doing their own maintenance.
Frequently Asked Questions
Q: Will these blades fit my Cub Cadet XT1-LT42 if I have a fabricated deck?
A: Yes, these are designed for both stamped and fabricated 42-inch decks on the XT1 and XT2 series. Just make sure your spindle mounting pattern matchesâthese use a 1-inch center hole with two oval mounting holes.
Q: Can I use these for mulching, or do I need dedicated mulching blades?
A: You can use them for mulching, but theyâre optimized for bagging and side-discharge. The high lift design creates strong airflow that helps bagging efficiency but can leave some clumps in thick mulch. For heavy mulching, consider a set of dedicated mulching blades with more serrations.
Q: How often should I replace these blades?
A: Replace them once per season or every 25â50 hours of use, whichever comes first. If you hit rocks or roots, inspect immediatelyâdents or bends will ruin cut quality and can damage your spindle. Sharpening mid-season is fine, but replace when the edge is too thin or the blade is visibly warped.
How It Compares
Here is a head-to-head comparison of the two products youâve listed.
Important Note: These two products are not competitors. Mower A is a set of replacement blades for a riding mower deck. Mower B is a set of pneumatic inner tubes for tires. They serve completely different functions. The comparison below will treat them as intended: one is a blade upgrade, the other is a tire/tube replacement part.
Quick Verdict
AR-PRO wins for sheer necessity and volume of verified buyers, as a flat tire is a universal problem, but Mower A wins for its specific, targeted performance upgrade for owners of 42" deck riding mowers.
Side-by-Side Comparison
| Feature | MOWER A (Blades) | MOWER B (Tubes) |
|---|---|---|
| Price | $19.99 | $24.79 |
| Power Source | N/A (Blade attachment) | N/A (Tire component) |
| Cutting Width | 42 Inches (Deck fit) | N/A (Fits 20x8-8 & 20x10-8 tires) |
| Self-Propelled | No (Requires riding mower) | No (Passive part) |
| Best Yard Size | 1/2 acre + (For riding mowers) | Any size (Tire maintenance) |
| Warranty | Not specified (Standard return policy) | Not specified (Standard return policy) |
Where Mower A (Cub Cadet/High Lift Blades) Wins
- Performance Upgrade: These are âhigh liftâ blades, meaning they are designed to create a stronger vacuum under the deck. This lifts grass more upright for a cleaner cut and improves bagging/clipping discharge. Standard blades often leave clumps on wet grass; these reduce that.
- Specific Compatibility: They are engineered to fit a very popular family of 42" decks used by Cub Cadet (XT1, XT2), Craftsman (LT1500), and Troy-Bilt (Bronco). This is a direct replacement for OEM part numbers 942-04308, etc., ensuring a perfect fit without modification.
- Cost-Effective Maintenance: At $19.99 for two blades, this is roughly half the price of a single OEM blade from a dealer. For a homeowner who needs sharp blades annually, this is a smart value buy that directly improves cut quality.
Where AR-PRO (Inner Tubes) Wins
- Universal Utility: These tubes fit a massive range of equipment: lawn mowers, garden tractors, golf carts, wheelbarrows, and trailers. The 20x8.00-8 size is one of the most common small tire sizes in the world. You can buy these as a backup for multiple machines.
- Proven Reliability at Scale: With 20,211 ratings and a 4.3-star average, this is a massively vetted product. Buyers consistently report that the rubber is thick, the valve stem (TR-4) is durable, and they hold air well. This is not a niche part; itâs a commodity done right.
- Problem Solver: A flat tire stops a mower dead. These tubes allow you to repair a tire that has a sidewall leak, a cracked rim, or a stubborn puncture that a plug wonât fix. For $24.79, you get two tubes, solving a problem that could otherwise require a $50+ tire replacement.
Which Should You Buy?
Buy Mower A (High Lift Blades) if:
- You own a Cub Cadet XT1, XT2, Craftsman LT1500, or Troy-Bilt Bronco with a 42" deck.
- Your grass is thick, tall, or tends to leave clumps or windrows when you mow.
- You want a sharper, cleaner cut and better bagging performance for under $20. This is a pure performance upgrade.
Buy Mower B (AR-PRO Inner Tubes) if:
- You have a flat tire on a riding mower, zero-turn, garden tractor, or trailer that uses a 20x8-8 or 20x10-8 tire.
- You want a reliable, high-rated spare part to keep on hand for emergencies.
- You need to fix a tire that wonât seal (cracked bead, sidewall damage) and donât want to buy a new tire assembly. This is a pure repair necessity.
Buy Neither if:
- You need a new mower, a battery, or a string trimmer. These are both replacement parts for specific repairs or upgrades, not complete machines.
Head-to-Head Comparison: Lawn Mower Blades vs. Tire Inner Tubes
Quick Verdict
There is no âwinnerâ here because these are completely different productsâMower A is a set of replacement cutting blades, while Mower B is a set of inner tubes for tiresâso the choice depends entirely on whether you need to sharpen your cut or fix a flat.
Side-by-Side Comparison
| Feature | Mower A (Cub Cadet Blades) | Mower B (AR-PRO Inner Tubes) |
|---|---|---|
| Price | $19.99 | $12.79 |
| Power Source | N/A (blade accessory) | N/A (tire accessory) |
| Cutting Width | 42 inches | Not applicable |
| Self-Propelled | No (blade set) | No (inner tube) |
| Best Yard Size | 1/2 acre or larger | Any size with flat tires |
| Warranty | Not listed in specs | Not listed in specs |
Where Cub Cadet Wins (Mower A)
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Direct Compatibility with Popular Models â These high-lift blades are specifically designed for Cub Cadet XT1-LT42, XT2-LX42, Craftsman LT1500, and Troy Bilt Bronco 42 mowers. If you own one of these, the fit is guaranteed, saving you the headache of measuring or modifying blades.
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Improved Cutting Performance â High-lift blades create stronger airflow under the deck, which lifts grass more effectively for a cleaner, more even cutâespecially important in thick or damp grass. This can reduce clumping and improve bagging efficiency.
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Cost-Effective Maintenance â At $19.99 for a two-pack, you get two blades that can each last a full season with proper care. Replacing dull blades with high-lift designs can noticeably improve cut quality without buying a new mower.
Where AR-PRO Wins (Mower B)
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Universal Fit Across Equipment â The 15x6.00-6 inner tubes with TR-13 straight valve stems fit a wide range of yard tractors, wheelbarrows, ATVs, and even some utility trailers. This versatility means one set can serve multiple machines.
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Massive User Base with Proven Reliability â With over 20,211 reviews and a 4.3-star rating, AR-PRO has a huge sample size confirming these tubes hold air well, resist punctures, and install easily. The sheer volume of positive feedback gives confidence in the product.
-
Lower Price for Essential Function â At $12.79, these tubes are a budget-friendly fix for flat tires. Compared to buying a whole new tire assembly (often $30+), this is a smart, low-cost repair that can keep your mower running for years.
Which Should You Buy?
Buy Mower A (Cub Cadet Blades) if:
You own a compatible 42-inch deck mower (Cub Cadet, Craftsman, or Troy Bilt) and your current blades are dull, chipped, or bent. If you notice ragged cuts, grass clumping under the deck, or poor bagging performance, these high-lift blades will restore your mowerâs cutting quality for under $20.
Buy Mower B (AR-PRO Inner Tubes) if:
You have a flat or leaking tire on your lawn tractor, wheelbarrow, or ATV that uses 15x6.00-6 tires. If the tire itself is still in good shape but the tube has a slow leak or puncture, these tubes are an inexpensive, easy-to-install solution that saves you from buying a whole new tire.
Buy neither if:
Your mowerâs cutting deck is not 42 inches or your mower model is not listed as compatible with Mower A, or your tire size is different from 15x6.00-6. Always double-check your equipmentâs specifications before purchasing accessories.
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Owner Guides for This Mower
Keep it running and fix common issues:
- Lawn Mower Won't Start
- Lawn Mower Maintenance Schedule
- How to Sharpen Lawn Mower Blades
- Riding Mower Won't Move
- How to Jump Start a Riding Mower
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