Genuine Toro Exmark 117-3510 & 104-4133 Gas Cap & Fuel Tank Assembly – 21″ Commercial Mowers
Table of Contents
Why Choose Genuine Toro & Exmark Parts?
When it comes to commercial mower maintenance, using authentic OEM components is essential for reliable operation and long equipment life. Non-OEM fuel tanks may seem like a budget-friendly option, but they often suffer from poor fitment, inferior materials, or incorrect cap sealing—leading to fuel leaks, pressure issues, and frustrating downtime.
At Red Rock Turf, we prioritize durability and performance. That’s why we source, install, and recommend only Genuine Toro and Exmark parts for our equipment repairs. Our expertise in turf equipment ensures that every fuel tank assembly meets the highest standards of quality and longevity.
Reliable Fuel Delivery for Commercial Performance
Nothing disrupts a productive day like fuel system problems. Whether you’re maintaining golf courses, sports fields, or commercial properties, the last thing you need is a mower that won’t start or a fuel tank that leaks. The Toro Exmark 117-3510 & 104-4133 Gas Cap & Fuel Tank Assembly delivers dependable fuel storage and delivery so you can focus on the job at hand.
- Leak-Free Design: Precision-molded tank with genuine sealing cap prevents fuel loss and dangerous spills.
- Quick, Reliable Starts: Proper venting ensures consistent fuel flow to the carburetor every time.
- Perfect Fit Guaranteed: OEM specifications ensure direct bolt-on replacement without modification.
- Complete Assembly: Includes both the 117-3510 fuel tank and 104-4133 gas cap—everything you need in one package.
This fuel tank assembly isn’t just a replacement—it’s peace of mind for your commercial operation.
Commercial-Grade Durability for Demanding Applications
Commercial mowing operations place extreme demands on every component. The 117-3510 Fuel Tank is built to withstand the rigors of daily use, ensuring reliable performance season after season.
- Impact-Resistant Construction: High-density polyethylene formulation resists cracking from vibration and debris impact.
- UV-Stabilized Material: Formulated to withstand sun exposure without becoming brittle or discolored.
- Chemical Resistance: Engineered to resist degradation from modern ethanol-blended fuels.
- Fleet-Ready Reliability: Trusted by landscape professionals for consistent, dependable performance.
Complete Fuel System Solution
This assembly includes both the fuel tank and cap, providing everything needed for a complete fuel system replacement. The 104-4133 gas cap features a precision sealing mechanism that maintains proper tank pressure while preventing fuel slosh and evaporation.
- Integrated Venting System: Engineered to prevent vacuum lock that can stall engines.
- Tool-Free Operation: Ergonomic cap design for easy refueling in the field.
- Complete System Approach: While replacing the tank, consider inspecting fuel lines and filters for optimal performance.
- OEM Quality Assurance: Both components carry Toro’s genuine parts warranty and quality guarantee.
Compatibility and Specifications
Part Numbers: 117-3510 (Fuel Tank), 104-4133 (Gas Cap)
Condition: New, Genuine Toro OEM
Primary Application: 21″ Commercial Mowers
Fuel Tank Material: High-Density Polyethylene
Cap Type: Venting, Sealing Gas Cap
Compatible Exmark Models
| Brand | Specific Models |
|---|---|
| Exmark | EC21ASHN, EC21ASKA, EC21ASKAP, EC21KABBC, EC21KABBCCA, EC21HNBBC, EC21KA, EC21KABBCX, EC21HNBBCX |
Compatible Toro Models
| Brand | Specific Models |
|---|---|
| Toro | 22177TE, 22178TE, 22187TE, 22188TE, 22189TE, 22280, 22283, 22285, EC21HNBBCX |
Note: This fuel tank assembly has been installed on a wide range of 21″ commercial Toro and Exmark equipment. If you’re unsure about compatibility, please contact us with your model number for verification.
Backed by Expertise: Red Rock Turf’s Commitment to Quality
As a trusted stocking distributor for Briggs & Stratton, Kohler, Kawasaki, and Toro, Red Rock Turf has been serving the turf equipment industry for years. We don’t just sell parts—we use them in our own rebuilds and repairs, ensuring that we stand behind their quality.
Our team is here to help you find the right fuel tank for your commercial mower. If you don’t see what you’re looking for on our website, please call or text us—we’re happy to help source any part you need. We also ship internationally, making it easy for customers worldwide to access premium OEM parts.
Ready to Eliminate Fuel System Problems for Good?
Stop worrying about leaks, poor fitment, and starting issues. Invest in the Genuine Toro Exmark 117-3510 & 104-4133 Gas Cap & Fuel Tank Assembly and experience commercial-grade reliability, perfect OEM fit, and peace of mind on every job.
- ✅ Need help finding a part? Call or text us at 435-213-5854—we’re happy to help!
- ✅ We ship internationally—customers worldwide welcome!
Frequently Asked Questions
Will this fuel tank fit my specific Exmark or Toro model?
Answer: This tank assembly fits the extensive list of Exmark and Toro 21″ commercial models shown in our compatibility tables. If your model isn’t listed, please call or text us at 435-213-5854 with your model number and we’ll verify compatibility for you.
Does this include both the tank AND the gas cap?
Answer: Yes! This listing includes both the 117-3510 fuel tank AND the 104-4133 gas cap—everything you need for a complete fuel system replacement in one convenient package.
Is this OEM or aftermarket quality?
Answer: This is 100% Genuine Toro OEM quality, not an aftermarket copy. Every component meets Toro’s exact specifications for material composition, fitment, and performance.
What’s the difference between this tank and other Toro fuel tanks?
Answer: The 117-3510 is specifically designed for 21″ commercial mower applications with the mounting configuration and capacity optimized for these models. Always verify your model number to ensure correct fitment.
How do I know if my fuel tank needs replacement?
Answer: Common signs include: visible cracks or damage, fuel leaks, difficulty starting (vacuum lock), degraded fuel smell, or physical impact damage. If you notice any of these, replacement is recommended.
Do you ship internationally and how can I reach you?
Answer: Yes! We ship worldwide. You can reach us by phone or text at 435-213-5854 for questions, compatibility help, or to order parts not listed in our store.
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