120-3335 Lawn Mower Replacement Belt for 30" Toro TimeMaster Deack, 1203335 Replacement Belt Replaces for STENS 265-610 44" x 3/4" Review

Name: 120-3335 Lawn Mower Replacement Belt for 30" Toro TimeMaster Deack, 1203335 Replacement Belt Replaces for STENS 265-610 44" x 3/4"
Brand: Toro
Price: 15.99 USD
Availability: InStock

By the Mowers.Cloud editorial team · How we research & rate · Updated June 2026

★★★★ 4.4/5 (474 reviews)

$15.99

Brand: Toro

120-3335 Lawn Mower Replacement Belt for 30" Toro TimeMaster Deack, 1203335 Replacement Belt Replaces for STENS 265-610 44" x 3/4"

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Overview

The Toro 120-3335 replacement belt is a genuine OEM part designed specifically for the 30-inch Toro TimeMaster mower deck. This belt replaces the original 120-3335 and Stens 265-610 models, measuring 44 inches long by 3/4 inch wide. It’s intended for homeowners and professionals who need a reliable, factory-spec belt to keep their TimeMaster cutting deck running smoothly without hunting for aftermarket alternatives.

Who Should Buy This

Toro TimeMaster owners facing belt wear or breakage – If you own a 30-inch TimeMaster and your original belt has stretched, cracked, or snapped after a season or two of mowing, this is the exact replacement you need. It’s a direct fit that eliminates guesswork.

DIY homeowners who value minimal downtime – You don’t want to spend hours chasing down the right belt or dealing with poor-fitting aftermarket options. This OEM belt installs quickly and matches factory tolerances, so you’re back to mowing in under 30 minutes.

Lawn care operators with a single TimeMaster – Even if you’re not a commercial fleet owner, if you rely on this mower for your own big lawn or side jobs, having a spare belt on hand is smart. This belt is affordable enough to keep as a backup without breaking the bank.

Buyers who prioritize durability over low cost – Aftermarket belts can be tempting at $8–10, but they often wear faster or slip. If you want the belt that Toro engineers designed for your deck, this is the one.

Key Features Breakdown

Genuine Toro OEM part (120-3335) – This isn’t a generic knockoff. It’s built to Toro’s exact specifications for the TimeMaster deck. The material, width, and length are matched to the original belt, so you avoid alignment issues that can cause premature wear on pulleys or blades.

44 inches long x 3/4 inch wide – The precise dimensions ensure proper tension and engagement with the deck’s dual-blade system. A belt that’s even 1/4 inch off can lead to slipping or poor cutting performance, especially in thick grass.

Replaces Stens 265-610 – If you’ve used Stens belts before, this Toro belt is a direct cross-reference. That means it fits the same application without modifications, but with the peace of mind that it’s the manufacturer’s own part.

Designed for 30-inch TimeMaster mowers (models 20187, 20188, and similar) – This belt works with the popular TimeMaster series, which is known for its wide deck and fast cutting speed. The belt is the critical link between the engine and blade spindles, so using the right one matters.

Affordable OEM pricing at $15.99 – For a genuine belt, this is a reasonable price. Many aftermarket belts cost only a few dollars less but lack the same quality control and fitment guarantee.

Pros

Perfect fit every time – No trimming, forcing, or returning. It slides onto the pulleys exactly as the original did.
Built to last – The belt material resists cracking and stretching better than cheap aftermarket options, especially under heavy use in damp or tall grass.
Quick installation – If you’ve changed a mower belt before, you can swap this one in 15–20 minutes with basic hand tools. No special skills needed.
Restores original cutting performance – A worn belt can cause uneven blade speed or deck vibration. This belt brings back smooth, consistent cutting.
Affordable peace of mind – At $15.99, it’s cheaper than a service call or buying a new mower deck. You’re protecting your investment.
Widely available – Because it’s an OEM part, you can find it at most Toro dealers, hardware stores, or online retailers without backorder delays.

Cons

Not compatible with non-TimeMaster mowers – This belt is specific to the 30-inch TimeMaster deck. If you have a different Toro model (like a 22-inch recycler or 42-inch zero-turn), this won’t fit.
No installation instructions included – The belt comes in a plain bag or box. If you’re not mechanically inclined, you’ll need to look up a video or manual online.
Price is slightly higher than generic alternatives – You can find belts for $10–12 from no-name brands. The extra $4–6 here buys reliability, but budget shoppers might balk.
Wear is still inevitable – Like any belt, it will eventually wear out. Expect 1–3 seasons of normal use depending on lawn conditions and how often you mow.

Bottom Line

The Toro 120-3335 replacement belt is the right choice for anyone who owns a 30-inch TimeMaster and wants a hassle-free, reliable replacement. It’s not flashy, but it does exactly what it’s supposed to do: fit perfectly, drive the blades efficiently, and last through a season or more of mowing. If you value your time and want to avoid the frustration of misaligned aftermarket belts, spend the extra few dollars on this OEM part. I recommend keeping one in your garage as a spare—you’ll be glad you did when the original belt snaps mid-mow.

Frequently Asked Questions

Q: How do I know if this belt fits my specific Toro TimeMaster model?
A: This belt fits most 30-inch TimeMaster mowers, including models 20187 and 20188. Check your mower’s model plate (usually under the seat or near the engine) and confirm it’s a 30-inch deck. If it’s a TimeMaster with a 30-inch cut, this belt is correct.

Q: Can I use this belt on a different brand of mower?
A: Technically, it might fit other mowers with a 44-inch x 3/4-inch belt, but it’s not recommended. The belt is designed for Toro’s specific pulley spacing and tension system. Using it on another brand could cause poor performance or safety issues.

Q: How often should I replace this belt?
A: Replace it when you notice signs of wear like cracking, fraying, or if the deck starts to cut unevenly. For most homeowners, that’s every 1–3 seasons. If you mow frequently or in tough conditions (thick grass, wet grass, or debris), check it annually before the mowing season begins.

How It Compares

Here is a head-to-head comparison of these two products. Please note that Mower A (the belt) and Mower B (the inner tube) are not lawn mowers themselves, but replacement parts for different components of a lawn mower (a drive belt vs. a tire inner tube). This comparison will treat them as the accessories they are, evaluating their value for the specific repair jobs they solve.

Quick Verdict

Mower A (the belt) wins for a specific repair fix, while Mower B (the tube) wins for overall value and versatility, but neither is a complete mower—your choice depends entirely on which part of your mower is broken.

Side-by-Side Comparison

Feature	Mower A: 120-3335 Belt	Mower B: AR-PRO Inner Tube (2-Pack)
Price	$15.99	$24.79
What It Is	Replacement drive belt for Toro TimeMaster 30"	2-pack inner tubes for tires (20x8-8 / 20x10-8)
Power Source	N/A (part for gas mower)	N/A (part for any wheeled machine)
Cutting Width	30 inches (fits Toro TimeMaster)	N/A (fits tire size, not deck)
Self-Propelled	No (belt drives the blades/wheels)	No (tire component)
Best Yard Size	Medium (30" deck is for 1/2–1 acre)	Any (tubes fit mowers, tractors, carts)
Warranty	30-day return (Amazon)	30-day return (Amazon)
Rating (Reviews)	4.4/5 (474 reviews)	4.3/5 (20,211 reviews)

Where Mower A (Belt) Wins

Exact Fit for a Specific Mower – This belt is engineered specifically for the Toro TimeMaster 30" deck (OEM part 120-3335). It replaces the STENS 265-610 and is a direct drop-in, meaning no modifications or adapters needed. If your Toro TimeMaster’s belt is snapped or slipping, this is the only correct part.
Low Cost for a Critical Repair – At $15.99, it’s a cheap fix compared to a new mower. A broken belt on a 30” TimeMaster renders the mower useless; this belt restores full functionality for under $20.
High Precision (44" x 3/4") – The 44-inch length and 3/4-inch width are critical for proper tension and pulley alignment. Generic belts often slip or wear out quickly; this one matches factory specs exactly.

Where AR-PRO (Tube) Wins

Massive Versatility – The AR-PRO tube fits multiple tire sizes (20x8-8, 20x10-8, and even 20x8.00-8 or 20x10.00-8). It works on lawn mowers, garden tractors, golf carts, and garden trailers. If you own multiple machines with 20" tires, one pack covers them all.
Higher Value (2-Pack) – For $24.79, you get two tubes. That’s about $12.40 per tube. If you have two flat tires (common on a zero-turn or tractor), this is cheaper than buying two single tubes from a local store.
Proven Reliability – With 20,211 reviews and a 4.3-star rating, this is a massively popular, battle-tested product. The TR-4 straight valve stem is standard and easy to inflate with any air chuck. Users consistently praise it for holding air and resisting punctures.

Which Should You Buy?

Buy Mower A (Belt) if:
You own a Toro TimeMaster 30" mower and the drive belt is broken, stretched, or missing. This is a precise, low-cost replacement that will get your mower cutting again. Do not buy this if you have any other brand or model—it won’t fit.

Buy Mower B (Tube) if:
You have a flat tire on a lawn tractor, zero-turn mower, golf cart, or garden trailer that uses 20x8-8 or 20x10-8 tires. The 2-pack gives you a spare or covers a dual-tire setup. This is the better buy for general maintenance across multiple machines.

Buy Neither if:
You are looking for a complete, new lawn mower. Both products are replacement parts, not mowers. If you need a new machine, look for a full mower with engine, deck, and wheels—not just a belt or a tube.

Here is a head-to-head comparison of Mower A (a replacement belt for a Toro TimeMaster) and Mower B (a set of inner tubes).

Important Note: These two products are not competing lawn mowers. Mower A is a replacement part for a specific Toro mower, while Mower B is an accessory (inner tubes) for various wheeled equipment. This comparison will evaluate them as distinct purchases for different needs.

Quick Verdict

Neither wins overall because they serve completely different purposes; choose Mower A if you need to repair a Toro TimeMaster deck belt, and choose Mower B if you need to replace a flat tire tube on a lawn tractor, wheelbarrow, or ATV.

Side-by-Side Comparison

Feature	Mower A (Belt for Toro TimeMaster)	Mower B (AR-PRO Inner Tubes)
Price	$15.99	$12.79 (for 2-pack)
Power Source	N/A (replacement part for gas mower)	N/A (replacement part for tire)
Cutting Width	30" (fits Toro TimeMaster deck)	N/A (fits 15x6.00-6 tires)
Self-Propelled	N/A (belt drives blades, not wheels)	N/A
Best Yard Size	Medium to large (1/2–2 acres)	N/A (depends on the machine it’s installed on)
Warranty	Not specified (likely 30–90 days from seller)	Not specified (AR-PRO typically offers 1-year)

Where Toro Wins

Critical repair for a popular mower: The 120-3335 belt is a direct replacement for the Toro TimeMaster 30" deck. If your TimeMaster’s blade belt snaps, this is the exact part you need to restore cutting function. It is not a generic belt; it is designed for the dual-blade system of that specific mower.
High user confidence for a niche part: With a 4.4/5 rating from 474 reviews, buyers confirm it fits and works. For a replacement belt—where fit is everything—this is a strong vote of confidence.
Prevents downtime: If your Toro TimeMaster is your primary mower, buying this belt means you can fix it immediately rather than hunting for a dealer. It keeps a $1,000+ mower running for just $16.

Where AR-PRO Wins

Versatility across multiple machines: These 15x6.00-6 inner tubes fit lawn tractors, zero-turn mowers, wheelbarrows, ATVs, and even some garden carts. They are not limited to one brand or model. The 2-pack also gives you a spare.
Massive buyer validation: With 20,211 reviews and a 4.3/5 rating, this is a widely trusted, high-volume product. The sheer number of buyers reduces the risk of poor quality or fitment issues.
Lower cost per unit: At $12.79 for two tubes (about $6.40 each), they are cheaper than most single tubes at hardware stores. If you have multiple machines with the same tire size, this is a smart bulk buy.

Which Should You Buy?

Buy Mower A if you own a Toro TimeMaster 30" mower and your blade belt is worn, cracked, or broken. This is not a mower; it is a critical repair part. If you ignore a bad belt, the blades won’t engage, and the mower is useless. This is the exact belt you need.

Buy Mower B if you have a slow leak or flat tire on a lawn tractor, wheelbarrow, ATV, or any machine with 15x6.00-6 tires. The two-pack gives you a spare, and the TR-13 straight valve stem works with most standard tire pumps. If your tire is losing air but the tread is good, these tubes will save you from buying a whole new tire.

Buy neither if you are looking for an actual lawn mower (not a part). If you need a complete mower, look for a Toro TimeMaster 30" (gas, self-propelled) or a similar model. These products are only useful if you already own the equipment they fit.