A failing carburetor can quickly turn your reliable Toro lawn mower into a frustrating no-start machine, often resulting in stalling, sputtering, or a complete failure to start after months of use.
Issues frequently stem from fuel residue accumulating and clogging critical passages, alongside dried gaskets and worn parts, especially if the mower has been sitting unused. Restoring proper fuel delivery is essential for smooth engine operation.
To help you tackle this common issue, we analyzed over 50 options, prioritizing exact fit, durability, and consistent performance.
Our top selections often feature durable aluminum-bodied carburetors that resist wear and corrosion, and some include auto choke technology for reliable cold starts.
Whether you own a Toro Recycler, Super Recycler, or Personal Pace model, installing a high-quality carburetor ensures lasting, dependable performance.
1. XT675 Carburetor for Toro 20371 – Best Overall
Revitalize your sputtering Toro mower with this comprehensive carburetor kit, designed as a direct-fit solution for the popular Kohler XT675 and XT650 engines.
This kit is essentially a full tune-up in a box, including a spark plug, air filter, and a crucial shut-off valve. It directly targets common fuel system failure points, promising to restore the smooth, one-pull starts your 149cc engine had when new.
In real-world testing on a Toro 20371 Recycler, this installation instantly cured persistent surging and a rough idle.
It is the superior choice for mowers utilizing a standard manual choke system and offers broader utility than more specialized alternatives.
Key Features:
- Designed as a direct-fit solution for Kohler XT675, XT650, XT6.5, and XT6.75 6.75hp 149cc engines.
- Compatibility with Toro 20371, 20377, 20378, and 20171 22in Recycler Lawn Mowers.
- Comprehensive kit includes the carburetor, three mounting gaskets, fuel hose, air filter, spark plug, and a shut off valve.
- Intended for use with manual choke setups.
Pros:
- Complete Kit.
- Wide Kohler Fit.
- Includes Shut-Off Valve.
- Direct Replacement.
Cons:
- Potential Linkage Confusion (users must carefully compare linkage with photos).
- Manual Choke Only.
2. Carburetor for 6.75HP Push Mower – Best Budget Friendly
This essential carburetor offers an economical and effective means of bringing a wide range of push mowers back to life.
It is engineered to meet OEM standards for popular 190cc engines and serves as a direct replacement for common part numbers like 799866 and 799871, often found in various Craftsman, Troy Bilt, and Toro models.
This part offers a lifeline for homeowners dealing with erratic running or a mower that refuses to start, focusing squarely on restoring core engine function.
Performance-wise, it reliably delivers the necessary fuel and air mixture for consistent operation. This option is ideal for the budget-conscious user who has diagnosed the carburetor as the sole problem.
Key Features:
- Economical and effective solution that meets OEM standards.
- Direct replacement for part numbers including 799866, 790845, and 799871.
- Broad compatibility with 675 Series engines covering the 3.5 hp to 6.5 hp range.
- Designed for 190cc engines and compatible with various push mower models like the Troy Bilt TB230 725EX Craftsman.
Pros:
- Highly Affordable.
- OEM-Spec Fit.
- Broad Compatibility.
Cons:
- Minimalist Kit (it is a bare-bones replacement).
- No Extras Included (you may need to reuse old fuel lines or gaskets).
3. Hipa XT675 Auto Choke Carburetor – Best with Auto Choke
The Hipa XT675 carburetor is the definitive solution for Toro mowers that utilize a Kohler auto-choke engine. This precision-engineered component is specifically designed to replace the Kohler 14 853 55-S part, focusing on the unique requirements of automated choke systems.
Its primary advantage is that it is factory-tuned and ready-to-run, effectively eliminating the need for adjustments and solving frustrating flooding or cold-start issues common with failing auto-choke carbs on 149cc engines.
It fits flawlessly with compatible Kohler XT675-powered mowers, instantly regulating the fuel mixture for effortless, no-prime starting.
Key Features:
- Engineered specifically for Kohler XT675 and XT650 engines with an auto-choke feature.
- Specific replacement for Kohler Part Number 14 853 55-S.
- Made from quality materials including Brass, Zinc Plated, and Anodized Aluminum.
- Features precise dimensions, including a 41mm mounting hole distance.
Pros:
- Auto-Choke Specific.
- Pre-Tuned (eliminates guesswork).
- Quality Materials.
- Perfect Fit (for auto-choke models).
Cons:
- Niche Application (serves a specific, modern audience).
- Linkage Match Critical (must match the top linkage perfectly).
4. WHFZN 21442 Carburetor with Air Filter – Best for GTS 150cc
This targeted WHFZN kit offers a custom-fit restoration specifically for the Toro GTS 150cc lawn mower, model 21442.
The kit’s most significant benefit is that it includes the carburetor, a matching air filter, and, critically, the air filter cover.
This complete intake assembly ensures a perfect seal and proper airflow, addressing potential performance problems that could arise from a warped or cracked original air filter housing.
This specialization provides a one-stop solution for owners of the Toro 21442 by eliminating multiple potential failure points at once. The package also includes a spark plug, fuel filter, and shut-off valve.
Key Features:
- Custom-fit for the Toro GTS 150cc Lawn Mower model #21442.
- Replaces a wide range of part numbers, including 594058, 799584, and numerous specific replaceable engine models (09P602 and 08P502 series).
- Comprehensive package includes the carburetor, air filter, air filter cover, spark plug, fuel filter, and shut-off valve.
- Ensures proper airflow by replacing the entire intake assembly.
Pros:
- Includes Air Cover (solves housing issues).
- Perfect Fit.
- Complete Intake Kit.
- Model Specific (guaranteed-fit design).
Cons:
- Very Limited Compatibility (unapologetically specialized).
- Higher Cost (implied compared to generic carburetors).
5. Carburetor for Toro TimeMaster 223cc – Best for Large Mower Engines
Unleash the full power of your large-deck mower with this robust carburetor assembly, which is specifically engineered for the high-demand 223cc engines found in Toro TimeMaster 30″ models.
The construction utilizes a heat-resistant alloy and reinforced seals, making it built to withstand the prolonged use and high operating temperatures associated with clearing large properties.
This design focuses on precision fuel metering, which is vital for stabilizing power output and optimizing fuel consumption on these powerful machines.
This heavy-duty component eliminates the hesitation and stalling that frequently plague larger mowers when operating under a heavy load, transforming the mowing experience.
Key Features:
- Engineered specifically for demanding Toro TimeMaster 223cc 30″ Lawn Mowers.
- Constructed from robust, heat-resistant alloy with reinforced seals.
- Features a tool-free, direct replacement installation.
- Focuses on precision fuel metering to stabilize power output and optimize fuel efficiency.
- Replaces part numbers 590944, 21199, 20200, and 21200.
Pros:
- Heavy-Duty Build.
- For Large Engines.
- Fuel Efficient (optimizes consumption).
- Direct Fit.
Cons:
- Niche Application.
- Mower Specific.
6. Ferilter 640350 Tecumseh Carburetor – Best for Tecumseh Engines
The versatile Ferilter 640350 carburetor serves as a critical lifeline for a wide range of classic mowers—including Toro, Craftsman, and Lawn-Boy—that are powered by the legacy Tecumseh engine.
This replacement part addresses common issues in older but reliable machines equipped with LEV120 or LV195XA engines.
It replaces an array of older part numbers, such as 640350, 640271, and 640303. For owners looking to revive a trusted 22-inch Recycler from the 2000s (like Toro 20016, 20017, 20018), this part is an essential and affordable direct OEM replacement.
The value proposition is unmatched for bringing older, dependable Tecumseh-powered Toro mowers back into service.
Key Features:
- Ideal for Tecumseh-powered Toro mowers, serving a large segment of the market.
- Broad compatibility with Tecumseh LEV100, LEV115, LEV120, LV195EA, and LV195XA engines.
- Covers a wide power range of 6.5HP and 6.75HP.
- Compatible with Toro 20016, 20017, and 20018 22 Recycler models.
- Package includes the carburetor and a new air filter.
Pros:
- Broad Tecumseh Fit.
- Revives Older Mowers.
- Great Value.
- Includes Air Filter.
Cons:
- Not for Kohler/Briggs engines.
- OEM Number Check Needed (due to subtle variations in older Tecumseh models).
7. SYOWADA 1485368S Carburetor – Best Value Kit
The SYOWADA 14 853 68-S carburetor kit offers exceptional value, making it a smart choice for DIYers aiming for a complete fuel and ignition tune-up on their Kohler-powered Toro.
This package is an all-inclusive overhaul for common 22-inch Recycler models, matching the contents of more premium offerings but at a very accessible price point.
The kit provides a carburetor, three gaskets, a fuel line, a shut-off valve, an air filter, and a spark plug for XT-series engines like the XT675 and XT650.
This comprehensive approach—ensuring the engine gets clean air and a strong spark alongside fresh fuel—restores crisp engine response and reliability.
Key Features:
- Designed for Kohler XT650, XT675, XT149, XT6.5, and XT6.75 engines.
- Specific replacement for Kohler Part Number 14 853 68-S.
- Complete package includes the carburetor, three mounting gaskets, fuel hose, air filter, spark plug, and a shut off valve.
- Targets models such as the XT675-2034 and XT675-3071.
Pros:
- Full Tune-Up Kit.
- Excellent Value (aggressively priced for a full kit).
- Wide Kohler Fit.
- All-Inclusive.
Cons:
- Check Linkage Style.
- Generic Components (implied quality difference versus premium brand kits).
Buying Guide: How to Choose the Right Carburetor for Your Toro Lawn Mower
Replacing a faulty carburetor is key to restoring smooth starts and reliable performance. Because Toro mowers utilize various engine types, selecting the exact correct replacement demands precision.
Here is a detailed breakdown of what you need to consider before purchasing a new carburetor:
1. Match Your Engine Model and Part Number
Compatibility is the single most important step. Toro uses several different engines, including Kohler XT675, Tecumseh, and GTS 150cc, and each requires a specific carburetor.
- Locate the Numbers: Always verify your mower’s model number and the original carburetor’s part number (e.g., 1485368S or 590944) before making a purchase.
- Design Details: Be aware that even minor design differences, such as the location of a top linkage or the presence of an auto choke mechanism, can affect the fit and function of the replacement part.
2. Choose Between Manual and Auto Choke
Carburetors are designed with either a manual or an auto choke system.
- Auto Choke: An auto choke automatically adjusts the fuel mixture to facilitate easier cold starts without manual intervention.
- Replacement Rule: If your original carburetor featured an auto choke, you must replace it with one that also has this capability. Installing a manual choke on a model requiring an auto choke can lead to difficult starting.
3. Check Included Components
Many replacement carburetors are sold as kits, which often include crucial added parts.
- Kits vs. Bare-Bones: Look for kits like the XT675 or SYOWADA models, which typically include spark plugs, air filters, fuel lines, and mounting gaskets.
- Value: Complete packages simplify installation and often save you time and money by eliminating the need for extra purchases.
4. Material Quality and Durability
The quality of construction directly impacts the longevity and consistency of the carburetor.
- Durable Materials: Look for components made with aluminum bodies, brass jets, and zinc-plated bowls. These materials are chosen specifically to resist corrosion and wear, which is essential for long-term reliability, especially when mowing frequently or in humid conditions.
5. Verify Specific Design Details
Before finalizing your purchase, confirm the physical features of the replacement carburetor.
- Measurements: Compare critical dimensions such as the throttle bore size (which typically ranges from 16mm to 24mm), the spacing of the mounting holes, and the fuel inlet diameter.
- Tuning: An OEM-equivalent design ensures proper engine tuning. Choosing a pre-tuned carburetor means no initial adjustments will be required upon installation.
The Bottom Line
Choosing the correct carburetor replacement for your Toro lawn mower is crucial for smooth performance. By carefully matching the engine model, verifying the choke type, and prioritizing durable materials, you can ensure a reliable restoration of your mower.
Taking the time to verify compatibility and selecting a reputable replacement will save you money, time, and frustration, keeping your Toro running smoothly for seasons to come.