Looking for the best upgrades to maximize your Yamaha YFZ450X’s performance? Discover top-tier, trail-ready parts designed to boost power, durability, and reliability with effortless compatibility and rugged quality.
Boost performance and durability with top-tier Yamaha YFZ450X upgrade parts. These components deliver precise fit and built-to-last quality for every ride. From air filters to engine covers, trust proven upgrades to keep your ATV trail-ready.
Every part is engineered for seamless compatibility and optimal function. Choose from ceramic brakes, oil mods, and airbox kits designed to enhance power and reliability.
Your YFZ450X deserves dependable upgrades that match its rugged spirit. This guide cuts through the noise to show you only the best picks. Ready to transform your ride? Dive in and discover how easy it is to upgrade with confidence.
List of Top 10 Yamaha Yfz450x Upgrade Parts
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Air Filter Cleaner & Cage Cone W/Bolt Kit for Yamaha Bill Balance 450 YFZ450 YFZ450R YFZ450X 2004-2024 |
This product is perfect for Yamaha YFZ450 owners needing a direct-fit air filter cleaner and cage cone. It suits models from 2004-2024, including YFZ450R and Bill Balance 450, for easy upgrades and reliable performance. |
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Air Box Lid Cover Cap & Hook Seal for Yamaha YFZ450 2004-2013 YFZ450R 2005-2008 YFZ450X 2008 5TG-14412-01-00 |
This product is perfect for Yamaha owners who want to upgrade their YFZ450, YFZ450R, or YFZ450X. It’s ideal for riders seeking reliable and durable parts for trail or track use. |
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Intake Exhaust Valve & seal For YAMAHA YFZ450 YFZ450R YZ450F WR450F YFZ450X 2004-2023 |
This product is perfect for Yamaha motorcycle owners needing reliable valve replacements. It fits YFZ450, YFZ450R, WR450F, and other 2003-2023 Yamaha models, offering a complete kit with intake, exhaust valves, and seals. |
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YFZ450 Carburetor Replacement Parts Available Fit for Yamaha 2004-2009 YFZ450 Four-wheel Off-road Vehicle ATV Carb Manifold Outlet Diameter is 48mm / 40mm (O.D/I.D) |
This carburetor replacement is perfect for Yamaha YFZ450 owners from 2004 to 2009 who want to restore or enhance their ATV’s performance. If you’re looking for a reliable part that ensures easy starting, ample power, and better fuel efficiency, this is the ideal choice for your off-road adventures. |
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JAVIK Air Filter Cage Guide Holder Kit For Yamaha YFZ450 YFZ450R YFZ450X YFZ450R SE 2004-2024 O.E.M# 5D3-14459-00-00 |
This product is perfect for Yamaha YFZ450 owners needing a durable, OEM-matched air filter cage guide holder. It fits models from 2004-2024 and includes all parts for easy installation. |
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Air Cleaner Intake Joint for Yamaha YFZ450 2004-2009 YFZ450X 2008 5TG-14453-01-00 |
This air cleaner intake joint is perfect for Yamaha YFZ450 and YFZ450X owners who want to upgrade their off-road performance and enjoy hassle-free installation. |
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AUTOKAY Oil Mod Upgrade Kit 5D3-15155-00-00 for Yamaha ATV YFZ450 2004-2009 Oil Squirter O-Ring 93210-05098-00 |
This AUTOKAY Oil Mod Upgrade Kit is perfect for owners of Yamaha YFZ450 ATVs from 2004 to 2009 who want to replace worn-out parts and keep their machines running smoothly. |
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DB Electrical SMU6118 Starter Solenoid Relay Compatible with/Replacement for Yamaha YFZ450R (2009-2014), YFZ450X (2010-2011) 18P-81940-00-00 |
This starter solenoid relay is perfect for Yamaha YFZ450R and YFZ450X owners who need a reliable replacement to get their ride back in action. It’s built to meet OEM specs and comes with a 1-year warranty, giving you peace of mind. |
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Front & Rear Ceramic Brake Pads Set for Yamaha YFZ 450 2006-2011, and 2017, YFZ 450R 2009-2022, 3 sets Front and Rear Brake Pads |
Yamaha YFZ 450 and YFZ 450R owners, get ready to upgrade your ride! This complete ceramic brake pad set is perfect for those who demand superior stopping power and long-lasting performance for their off-road adventures. |
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NICECNC Engine Cover Crankcase Kits Compatible with Yamaha YFZ450R 2009-2024, YFZ450X 2010-2011, Raptor 700 YFM700 2013 2015-2024,Grizzly Kodiak Rhino Viking 700, See Fitments Blue |
This NICECNC Engine Cover Crankcase Kit is perfect for Yamaha owners who want to protect and upgrade their ride. It’s ideal for those seeking durability, precision, and a sleek look without adding extra weight. |
Detailed Reviews
Discover the top 10 Yamaha Yfz450x upgrade parts handpicked for performance and value. Each part is expert-reviewed and backed by customer feedback, ensuring you get the best for your ride. From engine protection to braking power, find the perfect upgrades to enhance your ATV’s performance and style.
1. Air Filter Cleaner & Cage Cone W/Bolt Kit for Yamaha Bill Balance 450 YFZ450 YFZ450R YFZ450X 2004-2024

This air filter cleaner and cage cone kit is perfect for Yamaha YFZ450 models from 2004 to 2024. It fits YFZ450R, YFZ450X, and Bill Balance 450 seamlessly. The kit includes all essential parts for easy installation.
The package comes with an air cleaner element, filter cage guide, bolt wing, and washer. It uses manufacturer part numbers 5TG-14451-00-00 and 5TG-14451-01-00. It’s a direct replacement for your worn-out parts.
Enjoy 24-hour customer service and a 1-year product warranty. If you have questions or concerns, contact us anytime for help.
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Perfect For:
This product is perfect for Yamaha YFZ450 owners needing a direct-fit air filter cleaner and cage cone. It suits models from 2004-2024, including YFZ450R and Bill Balance 450, for easy upgrades and reliable performance.
Ready to Purchase?
2. Air Box Lid Cover Cap & Hook Seal for Yamaha YFZ450 2004-2013 YFZ450R 2005-2008 YFZ450X 2008 5TG-14412-01-00

Upgrade your Yamaha’s air box with this perfectly fitting lid cover cap and hook seal kit. Designed for YFZ450, YFZ450R, and YFZ450X models, it ensures a seamless fit and optimal performance. Whether you’re on the trails or track, this kit delivers durability and reliability.
Precision-engineered components include the air box lid cover cap, hooks, and seal. Each part is carefully selected and packaged for a hassle-free installation. The comprehensive kit provides everything you need for a smooth upgrade.
Before purchasing, review the compatibility details to ensure a perfect match. Our dedicated support team is ready to assist with any installation questions or concerns.
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Perfect For:
This product is perfect for Yamaha owners who want to upgrade their YFZ450, YFZ450R, or YFZ450X. It’s ideal for riders seeking reliable and durable parts for trail or track use.
Ready to Purchase?
3. Intake Exhaust Valve & seal For YAMAHA YFZ450 YFZ450R YZ450F WR450F YFZ450X 2004-2023

The Intake Exhaust Valve & Seal Kit is perfect for Yamaha models like YFZ450, YFZ450R, and YZ450F. It fits 2004-2023 models, ensuring a custom fit. This kit keeps your engine running smoothly.
Each brand-new pack includes 3 intake valves, 2 exhaust valves, and 5 seals. It’s a complete set for easy replacement. The OEM numbers match Yamaha parts for accuracy.
Before buying, check your model and OEM numbers to ensure a perfect match. Enjoy 24-hour customer service and a 1-year product warranty for peace of mind.
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Perfect For:
This product is perfect for Yamaha motorcycle owners needing reliable valve replacements. It fits YFZ450, YFZ450R, WR450F, and other 2003-2023 Yamaha models, offering a complete kit with intake, exhaust valves, and seals.
Ready to Purchase?
4. YFZ450 Carburetor Replacement Parts Available Fit for Yamaha 2004-2009 YFZ450 Four-wheel Off-road Vehicle ATV Carb Manifold Outlet Diameter is 48mm / 40mm (O.D/I.D)

The YFZ450 Carburetor Replacement is perfect for Yamaha 2004-2009 YFZ450 ATVs. It fits four-wheel off-road vehicles with ease.
It has a 48mm/40mm manifold outlet and a 55mm/44mm air filter outlet. This part replaces OEM numbers 5TG-14101-00-00, 5TG-14101-10-00, and 5TG-14101-31-00.
This high-quality carburetor ensures perfect air-fuel mixing. It’s strong, durable, and fuel-efficient, making it a great choice for your ATV.
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Perfect For:
This carburetor replacement is perfect for Yamaha YFZ450 owners from 2004 to 2009 who want to restore or enhance their ATV’s performance. If you’re looking for a reliable part that ensures easy starting, ample power, and better fuel efficiency, this is the ideal choice for your off-road adventures.
Ready to Purchase?
5. JAVIK Air Filter Cage Guide Holder Kit For Yamaha YFZ450 YFZ450R YFZ450X YFZ450R SE 2004-2024 O.E.M# 5D3-14459-00-00

The JAVIK Air Filter Cage Guide Holder Kit is perfectly designed for Yamaha YFZ450 models from 2004 to 2024. It fits like a glove and is built to last, ensuring your ATV runs smoothly.
Easy to install, durable, and comes with all necessary parts. 12-month quality guarantee included for peace of mind.
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Perfect For:
This product is perfect for Yamaha YFZ450 owners needing a durable, OEM-matched air filter cage guide holder. It fits models from 2004-2024 and includes all parts for easy installation.
Ready to Purchase?
6. Air Cleaner Intake Joint for Yamaha YFZ450 2004-2009 YFZ450X 2008 5TG-14453-01-00

Upgrade your Yamaha with our Air Cleaner Intake Joint. It fits models from 2004 to 2009 including the YFZ450 and YFZ450X. Enjoy better performance on your off-road rides.
This product meets OEM standards for quality and durability. You can trust it to enhance your vehicle’s performance.
Installation is easy with our convenient packaging. Our support team is ready to help you with any questions you have, ensuring a smooth experience from start to finish.
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Perfect For:
This air cleaner intake joint is perfect for Yamaha YFZ450 and YFZ450X owners who want to upgrade their off-road performance and enjoy hassle-free installation.
Ready to Purchase?
7. AUTOKAY Oil Mod Upgrade Kit 5D3-15155-00-00 for Yamaha ATV YFZ450 2004-2009 Oil Squirter O-Ring 93210-05098-00

The AUTOKAY Oil Mod Upgrade Kit replaces Yamaha OEM parts 5D3-15155-00-00 and 93210-05098-00. It’s made for 2004-2009 Yamaha YFZ450 ATVs with carburetors.
This kit includes 1x Oil Nozzle O-ring Upgrade Kit. It fits Yamaha YFZ450 models precisely. Questions? Contact the seller for quick help.
The upgrade improves oil squirter performance and durability. AUTOKAY ensures easy installation and reliable function.
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Perfect For:
This AUTOKAY Oil Mod Upgrade Kit is perfect for owners of Yamaha YFZ450 ATVs from 2004 to 2009 who want to replace worn-out parts and keep their machines running smoothly.
Ready to Purchase?
8. DB Electrical SMU6118 Starter Solenoid Relay Compatible with/Replacement for Yamaha YFZ450R (2009-2014), YFZ450X (2010-2011) 18P-81940-00-00

Rev up your ride with the DB Electrical SMU6118 Starter Solenoid Relay! This brand new part is built to match original factory quality. Get your Yamaha YFZ450R or YFZ450X back on the trail in no time.
This starter relay is a direct replacement for Yamaha’s part number 18P-81940-00-00. It’s designed to work perfectly with your YFZ450R and YFZ450X models.
Plus, you get peace of mind with a full 1-year warranty. We stand behind our products, so you can ride with confidence.
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Perfect For:
This starter solenoid relay is perfect for Yamaha YFZ450R and YFZ450X owners who need a reliable replacement to get their ride back in action. It’s built to meet OEM specs and comes with a 1-year warranty, giving you peace of mind.
Ready to Purchase?
9. Front & Rear Ceramic Brake Pads Set for Yamaha YFZ 450 2006-2011, and 2017, YFZ 450R 2009-2022, 3 sets Front and Rear Brake Pads

Upgrade your Yamaha YFZ 450 with this premium Ceramic Brake Pads Set. Experience superior stopping power and reduced fade for a safer, more thrilling ride.
This complete set includes 2 front pads and 1 rear pad, ensuring full coverage for your ATV. They are designed to directly replace part numbers like 5TG-W0045-30-00 and FA135, making installation a breeze.
Stop with confidence. Enjoy longer pad life. Ride with peace of mind.
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Perfect For:
Yamaha YFZ 450 and YFZ 450R owners, get ready to upgrade your ride! This complete ceramic brake pad set is perfect for those who demand superior stopping power and long-lasting performance for their off-road adventures.
Ready to Purchase?
10. NICECNC Engine Cover Crankcase Kits Compatible with Yamaha YFZ450R 2009-2024, YFZ450X 2010-2011, Raptor 700 YFM700 2013 2015-2024,Grizzly Kodiak Rhino Viking 700, See Fitments Blue

Upgrade your Yamaha with the NICECNC Engine Cover Crankcase Kit. This premium kit is built for durability and style. It offers superior protection for your engine.
Crafted from lightweight 6061-T6 aluminum, it’s ultra-light and rustproof. Advanced CNC processing ensures high precision. The anodized finish provides a refined, corrosion-resistant look.
This kit is designed for a perfect match on various Yamaha models. Get yours today and enhance your ride.
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Perfect For:
This NICECNC Engine Cover Crankcase Kit is perfect for Yamaha owners who want to protect and upgrade their ride. It’s ideal for those seeking durability, precision, and a sleek look without adding extra weight.
Ready to Purchase?
Buying Guide
Upgrade your YFZ450X with parts that boost power, reliability, and trail-ready toughness. These upgrades fit flawlessly and last longer. Ride harder with confidence in every component.
- Compatibility: Match parts to your YFZ450X model year (2004–2024). Check OEM numbers like 5TG-14451-00-00 to ensure a perfect fit.
- Material Quality: Choose ceramic brakes for fade-resistant stops or aluminum engine covers for lightweight durability. 6061-T6 aluminum resists rust and handles rough terrain.
- Performance Gains: Upgrade to airbox kits or oil mod kits for smoother engine function. Air filter cleaners and intake valves enhance airflow and power.
- Warranty & Support: Look for 1-year warranties and 24/7 customer service. Brands like JAVIK and AUTOKAY offer reliable support for stress-free installs.
- Ease of Installation: Pick kits with all hardware included, like bolts and seals. Pre-assembled parts cut setup time so you can ride faster.
- Brand Reputation: Trust proven brands like NICECNC for crankcase protection or DB Electrical for starter solenoids. Top-rated picks ensure trail-ready reliability.
Transform your YFZ450X with upgrades that deliver proven performance and long-lasting results. Shop smart and ride stronger.