Looking for the best replacement parts for your Yamaha YFZ450R?
Discover trusted precision-fit parts built to last on harsh trails, offering direct replacements and plug-and-play fixes for smoother starts, longer life, and reliable performance.
Your Yamaha YFZ450R deserves trusted parts that match its power. These precision-fit replacements keep your ride strong, mile after mile.
Need a starter relay, oil filters, or fuel pump? These parts are direct replacements, built tough for harsh trails. Every upgrade ensures smoother starts, longer life, and engine protection.
Upgrade fog bulbs for crisp visibility. Swap timing chains for precise power. Even seats and headlight cords fit perfect. No guesswork—just plug-and-play fixes that work.
List of Top 10 Yamaha YFZ450R Replacement Parts
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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 relay is perfect for Yamaha YFZ450R and YFZ450X owners needing a reliable, direct-fit replacement. Built to meet OEM specs, it ensures smooth starts with a 1-year warranty for peace of mind. |
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CHENXL MOSFET 250W Voltage Regulator Rectifier | Replacement for Yamaha OEM 5BN-81960-00-00 | Fits Raptor 700, YFZ450R, Rhino 450/660, Grizzly 660, Road Star, V Star & More |
This MOSFET voltage regulator is perfect for Yamaha ATV, UTV, and motorcycle owners needing a direct replacement for OEM #5BN-81960-00-00. It ensures stable power output, superior heat dissipation, and precise voltage control for models like Raptor 700, YFZ450R, and Road Star. |
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TEBEDI Complete Seat Compatible with 2009-2022 Yamaha YFZ450R SE Seat Assembly Replacement |
This seat assembly is perfect for Yamaha YFZ450R owners who want a durable, easy-to-install replacement. It’s ideal for refreshing your ATV’s look while protecting it from dirt and weather. |
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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 product is perfect for Yamaha YFZ450 owners with 2004-2009 models needing a durable, high-quality carburetor. It ensures easy starts, strong power, and low fuel use, built to resist corrosion and last long. |
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SJMYXCLW H6M P15D Fog Bulbs Compatible for Yamaha YFZ450 YFZ 450 YFZ450R 2004-2021, P15D H6 H6M Fog Light Bulbs,50W H6M Light Bulbs for Off Road,Plug and Play,2-Pack |
These fog bulbs are perfect for off-road riders needing bright, reliable lighting. They fit most Yamaha, Honda, and Kawasaki ATVs and motorcycles with H6M, P15D, or H18M bases. With plug-and-play ease, advanced CSP chips, and IP67 weatherproofing, they boost safety and last years. Ideal for tough trails, rain, or mud—no wiring or errors. |
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Vkinman 5Pcs 1S4-E3440-00 HF140 Oil Filters, Replacement for Yamaha YFZ450R 2009-2024 YZ450F WR250F WR450F 2009-2025, Replaces 38B-E3440-00 5D3-13440-00 (10) |
This oil filter is perfect for Yamaha owners who want to keep their engines running smoothly. It’s easy to install and built to last, making it ideal for anyone looking to save time and money. |
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Cam Timing Chain 118L & Lifter Tensioner W/Gasket For Yamaha YFZ450 YFZ450X YFZ450R WR450F YZ450F 2003-2011 |
This product is perfect for Yamaha owners with WR450F, YZ450F, or YFZ450 models needing reliable engine parts. It’s ideal for DIY repairs or mechanics seeking a complete kit with a timing chain, tensioner, and gasket. |
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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 intake and exhaust valve replacements. It fits YFZ450, YFZ450R, WR450F, YZ450F, and more from 2003-2023, with OEM-matched parts and 5 seals included for easy, reliable upgrades. |
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18P-13907-12-00 Fuel Pump Assembly Compatible with Yamaha YFZ450X 2010-2011 YFZ450R 2009-2024 Replace# 18P1390712-00 YFZ 450R 450X |
This fuel pump assembly is perfect for Yamaha YFZ450R and YFZ450X owners needing a reliable, direct-fit replacement. It’s ideal for those seeking easy installation, long-lasting durability, and exact compatibility with their vehicle’s specifications. |
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5TG-84340-01-00 Headlight Socket Cords Wires Pair Replacement for Yamaha YFZ450 YFZ450R YFZ450S V 2004-2015 |
This product is perfect for Yamaha YFZ450, YFZ450R, YFZ450S V owners needing a direct replacement for worn headlight socket cords. It’s ideal for those seeking durable, OEM-matched parts to ensure reliable performance and a long-lasting fix. |
Detailed Reviews
Looking for the best Yamaha YFZ450R replacement parts? Our expert-vetted selection blends top-rated durability, perfect fit, and hassle-free upgrades to keep your ride roaring. From heavy-duty oil filters to precision-matched carburetors and LED-ready fog lights, each part meets OEM standards for seamless installation and long-term reliability. Upgrade your machine with confidence—explore our top 10 picks designed to boost performance, comfort, and trail-ready toughness.
1. DB Electrical SMU6118 Starter Solenoid Relay Compatible with/Replacement for Yamaha YFZ450R (2009-2014), YFZ450X (2010-2011) 18P-81940-00-00

Get your Yamaha YFZ450R or YFZ450X back in action with this brand-new starter relay. It’s a direct replacement for your old part, ensuring a perfect fit. You’ll be back on the trail in no time!
This high-quality relay is built to meet OEM standards. Plus, it comes with a 1-year warranty for your peace of mind.
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Perfect For:
This starter relay is perfect for Yamaha YFZ450R and YFZ450X owners needing a reliable, direct-fit replacement. Built to meet OEM specs, it ensures smooth starts with a 1-year warranty for peace of mind.
Ready to Purchase?
2. CHENXL MOSFET 250W Voltage Regulator Rectifier | Replacement for Yamaha OEM 5BN-81960-00-00 | Fits Raptor 700, YFZ450R, Rhino 450/660, Grizzly 660, Road Star, V Star & More

This CHENXL MOSFET Voltage Regulator boosts efficiency and cuts heat. It fits many Yamaha ATVs, UTVs, and bikes, replacing OEM# 5BN-81960-00-00. It ensures stable 14.4V power for reliable battery charging.
Built with OEM-quality parts, it lasts long and performs well. Backed by a 100% satisfaction guarantee, it’s priced right for hassle-free upgrades.
| Pros | Cons |
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Perfect For:
This MOSFET voltage regulator is perfect for Yamaha ATV, UTV, and motorcycle owners needing a direct replacement for OEM #5BN-81960-00-00. It ensures stable power output, superior heat dissipation, and precise voltage control for models like Raptor 700, YFZ450R, and Road Star.
Ready to Purchase?
3. TEBEDI Complete Seat Compatible with 2009-2022 Yamaha YFZ450R SE Seat Assembly Replacement

This TEBEDI Complete Seat fits 2009-2022 Yamaha YFZ450R and 2010-2015 YFZ450R SE models. Built with durable plastic, it resists impacts and lasts longer.
Refreshes look and guards against dirt, mud, and weather. Easy installation—no drilling needed. Includes 1 seat; mounting parts sold separately.
| Pros | Cons |
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Perfect For:
This seat assembly is perfect for Yamaha YFZ450R owners who want a durable, easy-to-install replacement. It’s ideal for refreshing your ATV’s look while protecting it from dirt and weather.
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)

Rev up your Yamaha YFZ450 with this carburetor replacement. It fits 2004-2009 models perfectly. The 48mm/40mm manifold outlet ensures a smooth fit.
This part is built tough, resists corrosion, and saves fuel. It replaces OEM numbers 5TG-14101-00-00, 5TG-14101-10-00, and 5TG-14101-31-00.
| Pros | Cons |
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Perfect For:
This product is perfect for Yamaha YFZ450 owners with 2004-2009 models needing a durable, high-quality carburetor. It ensures easy starts, strong power, and low fuel use, built to resist corrosion and last long.
Ready to Purchase?
5. SJMYXCLW H6M P15D Fog Bulbs Compatible for Yamaha YFZ450 YFZ 450 YFZ450R 2004-2021, P15D H6 H6M Fog Light Bulbs,50W H6M Light Bulbs for Off Road,Plug and Play,2-Pack

SJMYXCLW H6M P15D Fog Bulbs are universal replacements for H6, P15D, and H18M base bulbs. They fit motorcycles, ATVs, and UTVs from Yamaha, Honda, Kawasaki, Suzuki, and more.
Advanced CSP Chip boosts night and bad-weather safety. Aviation aluminum body cuts heat, lasting up to 50,012 hours. IP67 waterproof rating blocks dust and water.
Plug & Play design ensures easy install—no wiring errors. Backed by a 13-year warranty, these bulbs are reliable upgrades for fog lights or turn signals.
| Pros | Cons |
|---|---|
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Perfect For:
These fog bulbs are perfect for off-road riders needing bright, reliable lighting. They fit most Yamaha, Honda, and Kawasaki ATVs and motorcycles with H6M, P15D, or H18M bases.
With plug-and-play ease, advanced CSP chips, and IP67 weatherproofing, they boost safety and last years. Ideal for tough trails, rain, or mud—no wiring or errors.
Ready to Purchase?
6. Vkinman 5Pcs 1S4-E3440-00 HF140 Oil Filters, Replacement for Yamaha YFZ450R 2009-2024 YZ450F WR250F WR450F 2009-2025, Replaces 38B-E3440-00 5D3-13440-00 (10)

Keep your Yamaha engine running smoothly with these Vkinman 5Pcs 1S4-E3440-00 HF140 Oil Filters. They are a direct replacement for many Yamaha models, ensuring a perfect fit and easy installation.
These filters offer efficient filtration, keeping your oil clean. They are built with endurance for tough conditions. Installation is simple, saving you time and effort.
Invest in engine longevity and prevent breakdowns with these high-quality oil filters. They are designed for reliability and peak performance.
| Pros | Cons |
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Perfect For:
This oil filter is perfect for Yamaha owners who want to keep their engines running smoothly. It’s easy to install and built to last, making it ideal for anyone looking to save time and money.
Ready to Purchase?
7. Cam Timing Chain 118L & Lifter Tensioner W/Gasket For Yamaha YFZ450 YFZ450X YFZ450R WR450F YZ450F 2003-2011

Upgrade your Yamaha with this essential Cam Timing Chain kit. It’s designed to keep your engine running smoothly and powerfully.
This high-quality kit includes a 118-link timing chain, a lifter tensioner, and a new gasket. It’s a direct replacement for your old parts, ensuring a perfect fit.
Get back on the road with confidence. Experience peak performance today.
| Pros | Cons |
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Perfect For:
This product is perfect for Yamaha owners with WR450F, YZ450F, or YFZ450 models needing reliable engine parts. It’s ideal for DIY repairs or mechanics seeking a complete kit with a timing chain, tensioner, and gasket.
Ready to Purchase?
8. Intake Exhaust Valve & seal For YAMAHA YFZ450 YFZ450R YZ450F WR450F YFZ450X 2004-2023

This valve set fits many Yamaha models from 2003 to 2023. It works with YFZ450, YFZ450R, WR450F, YZ450F, and more. Check your bike’s model and year to ensure it matches.
The kit includes 3 intake valves, 2 exhaust valves, and 5 seals. These parts are direct replacements for OEM numbers like 5TA-12111-00-00.
Buyers get 24-hour customer support and a 1-year warranty. Always match OEM numbers and photos to your bike before buying. Trust this set for reliable engine performance.
| Pros | Cons |
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Perfect For:
This product is perfect for Yamaha motorcycle owners needing intake and exhaust valve replacements. It fits YFZ450, YFZ450R, WR450F, YZ450F, and more from 2003-2023, with OEM-matched parts and 5 seals included for easy, reliable upgrades.
Ready to Purchase?
9. 18P-13907-12-00 Fuel Pump Assembly Compatible with Yamaha YFZ450X 2010-2011 YFZ450R 2009-2024 Replace# 18P1390712-00 YFZ 450R 450X

Fuel pump assembly 18P-13907-12-00 fits Yamaha YFZ450X (2010-2011) and YFZ450R (2009-2024). This direct replacement matches OE part numbers for exact compatibility.
The fuel pump assembly ensures strong fuel flow and long-term durability. Built with high-grade materials, it’s tested for reliability and performance. Drop-in replacement design means no modifications needed for quick installation.
You get one fuel pump assembly and a 12-month return service for peace of mind. Check your vehicle model, year, and part number before buying. Precision compatibility ensures proper fit and function.
| Pros | Cons |
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Perfect For:
This fuel pump assembly is perfect for Yamaha YFZ450R and YFZ450X owners needing a reliable, direct-fit replacement. It’s ideal for those seeking easy installation, long-lasting durability, and exact compatibility with their vehicle’s specifications.
Ready to Purchase?
10. 5TG-84340-01-00 Headlight Socket Cords Wires Pair Replacement for Yamaha YFZ450 YFZ450R YFZ450S V 2004-2015

Light up your ride with this brand new headlight socket cord set! It’s a perfect replacement for your Yamaha YFZ450 models from 2004 to 2015.
These cords are built tough. They are made from high-quality, durable material. Expect a robust design that lasts.
They match OEM specs exactly. This means a perfect fit for your motorcycle. Get back on the road with clear, bright headlights!
| Pros | Cons |
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Perfect For:
This product is perfect for Yamaha YFZ450, YFZ450R, YFZ450S V owners needing a direct replacement for worn headlight socket cords. It’s ideal for those seeking durable, OEM-matched parts to ensure reliable performance and a long-lasting fix.
Ready to Purchase?
Buying Guide
Your Yamaha YFZ450R needs trusted parts to match its power. These precision-fit replacements keep your ride strong. They deliver durability and peak performance.
- Compatibility: Pick parts made for your YFZ450R’s exact model and year. Check OEM numbers to avoid mismatches.
- Quality Standards: Choose parts that meet OEM specs for reliability. High-grade materials ensure long-term function.
- Durability: Look for parts that resist rust, heat, and impact. Off-road use demands tough builds.
- Ease of Installation: Opt for plug-and-play or direct-replacement parts. No drilling or wiring needed.
- Warranty Coverage: Pick parts with at least a 1-year warranty. This protects your investment.
- Performance Benefits: Upgrade parts that boost fuel flow, lighting, or engine efficiency. Small wins add up.
- Price vs. Value: Balance cost with lifespan and function. Cheaper parts may cost more over time.
- Availability: Buy from sellers with quick shipping and in-stock items. Avoid delays mid-project.
Upgrade your YFZ450R with parts that last longer, fit perfectly, and work flawlessly. Trust direct replacements for hassle-free fixes.