Looking for the best Honda TRX450R parts? We’ve got you covered with a guide to the top 10 upgrades and replacements to enhance your ride and keep your ATV running smoothly.
Honda TRX450R owners know the thrill of powering through trails and tracks. To keep your ride performing at its best, you need the right parts. This guide highlights the top upgrades and replacements for your ATV.
From engine cooling to lighting and maintenance, we’ve got you covered. Each part is designed for durability and easy installation. You’ll find OEM-quality options that fit perfectly.
Discover how these parts can enhance your ride and keep your TRX450R running smoothly. Let’s dive in and find the perfect upgrades for your ATV!
List of Top 10 Honda TRX450R Parts
| Image | Title | Best For | Price |
|---|---|---|---|
![]() |
MOTOKU High Pressure Radiator Cap with Temp Gauge 1.8 Bar for Honda CR125R CR250 CR500R CR80 CR85 CRF250L CRF450R TRX450R Rancher 420 TRX420 |
This MOTOKU High Pressure Radiator Cap is perfect for Honda owners who want to keep their engine cool and running smoothly. It’s ideal for models like CR125R, CR250R, CRF250L, and Rancher 420, ensuring better performance and longer engine life. |
|
![]() |
MOTO1988 Fuel Valve Petcock Tank Switch For Honda 450R 450ER TRX450R TRX 450ER 2004-2007 |
This fuel valve petcock is perfect for Honda owners who need a reliable replacement part. It’s ideal for 2004-2007 TRX450R and 2006-2007 TRX450ER models. |
|
![]() |
Tail light Taillight for Honda TRX450R TRX450ER 2004-2014 TRX300EX 2005-2006 TRX400EX 2005-2007 OEM# 33700-HP1-601 33700-HP1-003 |
This tail light is perfect for Honda ATV owners who need a durable replacement. It fits TRX300EX, TRX400EX, TRX450ER, and TRX450R models from 2004 to 2014. |
|
![]() |
250pc Specbolt Brand Bolt Kit Fits: Honda TRX450R TRX450ER & TRX700XX for Maintenance & Restoration OEM Spec Fasteners Quad |
This 250-piece bolt kit is perfect for Honda TRX450R, TRX450ER, and TRX700XX owners who need to fix or restore their quad. It’s great for anyone doing maintenance or repairs and wants OEM-quality fasteners in a handy storage box. |
|
![]() |
Saihisday HF116 Oil Filter For ATV Honda TRX450R CRF250X CRF450X CRF250R CRF450R Motorcycle Replaces #15412-MEN-671(Pack of 10) |
This oil filter is perfect for ATV and motorcycle owners who need a reliable replacement for their Honda or Husqvarna vehicles. It’s easy to install and fits multiple models, making it a great choice for keeping your engine running smoothly. |
|
![]() |
Ignition Switch w/Keys for Honda Sportrax 450 TRX450R 2×4 TRX450ER Electric Start TRX450R Kick Start |
This ignition switch is perfect for Honda Sportrax 450 owners who need a reliable replacement. It fits specific models and years, making it a great choice for those with TRX450R or TRX450ER ATVs. |
|
![]() |
Air Box Lid Cover Cap & Seal for Honda TRX450R 2004-2005 17217-HP1-000 |
This air box lid cover cap and seal is perfect for Honda TRX450R owners who want reliable, high-performance parts. It’s easy to install and fits perfectly, so you can spend less time in the garage and more time riding. |
|
![]() |
New 1PCS 3 Wire Tail Light Connector Harness Pigtail Compatible with Honda 300EX 400EX 450R TRX450R |
This 3-wire tail light connector is perfect for Honda owners who need a quick and easy fix. It’s ready to use and saves time on repairs. |
|
![]() |
ECOTRIC Front Bumper Compatible with 1999-2014 Honda TRX400EX 400X 2004-2012 TRX450R Aluminum Black |
This front bumper is perfect for ATV riders who want strong protection and a sleek look. It’s ideal for off-road adventures, keeping your ATV safe and looking great. |
|
![]() |
GoaMotors For Honda Trx400ex Thumb Throttle for Honda TRX450r TRX400ex trx 450r 300ex 400ex 250r,Black |
This thumb throttle is perfect for Honda quad owners who need a reliable replacement. It fits many Honda models, making it a great choice for quick repairs. |
Detailed Reviews
Discover the top 10 Honda TRX450R parts handpicked for performance, durability, and value. Each part is expert-reviewed and backed by customer feedback, ensuring you get the best upgrades for your ride. From engine cooling to lighting and maintenance, this guide covers it all. Find the perfect fit to keep your ATV running smoothly and efficiently.
1. MOTOKU High Pressure Radiator Cap with Temp Gauge 1.8 Bar for Honda CR125R CR250 CR500R CR80 CR85 CRF250L CRF450R TRX450R Rancher 420 TRX420

The MOTOKU High Pressure Radiator Cap is a must-have upgrade for your Honda. It fits many CR, CRF, XR, and TRX models. This cap works with 1.8 Bar pressure, keeping your engine cool.
It has a built-in temp gauge for easy monitoring. The gauge helps you track coolant temperature. This feature ensures optimal engine performance.
This cap is easy to install and built to last. It’s a reliable choice for your Honda. Keep your ride running smoothly and efficiently.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This MOTOKU High Pressure Radiator Cap is perfect for Honda owners who want to keep their engine cool and running smoothly. It’s ideal for models like CR125R, CR250R, CRF250L, and Rancher 420, ensuring better performance and longer engine life.
Ready to Purchase?
2. MOTO1988 Fuel Valve Petcock Tank Switch For Honda 450R 450ER TRX450R TRX 450ER 2004-2007

The MOTO1988 Fuel Valve Petcock is a must-have replacement for your Honda 450R or 450ER. It fits 2004-2007 models perfectly. This part ensures your fuel system works smoothly.
It comes with a rubber ring for a secure fit. The fuel outlet has a 10mm diameter. Check your model compatibility before buying.
Need help? Contact us anytime via email. We offer full quality assurance and after-sales support.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This fuel valve petcock is perfect for Honda owners who need a reliable replacement part. It’s ideal for 2004-2007 TRX450R and 2006-2007 TRX450ER models.
Ready to Purchase?
3. Tail light Taillight for Honda TRX450R TRX450ER 2004-2014 TRX300EX 2005-2006 TRX400EX 2005-2007 OEM# 33700-HP1-601 33700-HP1-003

Brighten your ride with this durable tail light, designed for Honda ATVs. It fits TRX300EX, TRX400EX, TRX450ER, and TRX450R models, ensuring a perfect match. Made from high-quality ABS plastic, it’s built to last.
This LED taillight is water-resistant, keeping you safe and visible in all weather. With a 1-year warranty and 24/7 customer support, you’re covered for any issues.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This tail light is perfect for Honda ATV owners who need a durable replacement. It fits TRX300EX, TRX400EX, TRX450ER, and TRX450R models from 2004 to 2014.
Ready to Purchase?
4. 250pc Specbolt Brand Bolt Kit Fits: Honda TRX450R TRX450ER & TRX700XX for Maintenance & Restoration OEM Spec Fasteners Quad

Tackle any repair with the 250pc Specbolt Bolt Kit. This kit is perfect for Honda TRX450R, TRX450ER, and TRX700XX owners.
It includes 250 pieces of factory-fit bolts, nuts, and washers. You also get strong, heat-treated bolts and Nylon Push Rivets for fenders and skid plates.
Organized storage, easy maintenance, complete restoration.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This 250-piece bolt kit is perfect for Honda TRX450R, TRX450ER, and TRX700XX owners who need to fix or restore their quad. It’s great for anyone doing maintenance or repairs and wants OEM-quality fasteners in a handy storage box.
Ready to Purchase?
5. Saihisday HF116 Oil Filter For ATV Honda TRX450R CRF250X CRF450X CRF250R CRF450R Motorcycle Replaces #15412-MEN-671(Pack of 10)

The Saihisday HF116 Oil Filter is a perfect fit for many Honda and Husqvarna ATVs and motorcycles. It replaces part number 15412-MEN-671 and comes in a pack of 10. This filter is designed for easy installation and reliable performance.
It works with models like CRF250R, CRF450R, and TRX450R. Always follow professional guidelines when installing to ensure proper function.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This oil filter is perfect for ATV and motorcycle owners who need a reliable replacement for their Honda or Husqvarna vehicles. It’s easy to install and fits multiple models, making it a great choice for keeping your engine running smoothly.
Ready to Purchase?
6. Ignition Switch w/Keys for Honda Sportrax 450 TRX450R 2×4 TRX450ER Electric Start TRX450R Kick Start

Get your Honda Sportrax 450 running smoothly again with this ignition switch and keys. It’s a perfect fit for specific models, ensuring easy installation. No more hassle with starting your ATV.
This part works for TRX450R 2×4 (2004-2005), TRX450ER Electric Start (2006-2014), and TRX450R Kick Start (2006-2009). Reliable and durable, it’s a must-have for your vehicle.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This ignition switch is perfect for Honda Sportrax 450 owners who need a reliable replacement. It fits specific models and years, making it a great choice for those with TRX450R or TRX450ER ATVs.
Ready to Purchase?
7. Air Box Lid Cover Cap & Seal for Honda TRX450R 2004-2005 17217-HP1-000

Upgrade your Honda TRX450R with this air box lid cover cap and seal. It’s designed for 2004-2005 models, ensuring a perfect fit. Enjoy reliable performance on every ride.
This kit includes 1x cover cap and 1x seal, carefully packaged for easy installation. Trust in OEM quality and dedicated support for a seamless experience.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This air box lid cover cap and seal is perfect for Honda TRX450R owners who want reliable, high-performance parts. It’s easy to install and fits perfectly, so you can spend less time in the garage and more time riding.
Ready to Purchase?
8. New 1PCS 3 Wire Tail Light Connector Harness Pigtail Compatible with Honda 300EX 400EX 450R TRX450R

This 3-wire tail light connector is perfect for Honda 300EX, 400EX, 450R, and TRX450R. It comes with 6 inches of shielded automotive wire, ready to use. Each package includes 1 pigtail for easy installation.
The connector pigtail features OE quality terminals and seals. The tinned copper wire ensures better corrosion resistance and excellent conductivity.
This pigtail saves you time with pre-installed wires. It’s professionally assembled for hassle-free repairs.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This 3-wire tail light connector is perfect for Honda owners who need a quick and easy fix. It’s ready to use and saves time on repairs.
Ready to Purchase?
9. ECOTRIC Front Bumper Compatible with 1999-2014 Honda TRX400EX 400X 2004-2012 TRX450R Aluminum Black

The ECOTRIC Front Bumper fits Honda TRX400EX, TRX400X, TRX450R, and more. It’s compatible with 1999-2014 models, ensuring a perfect match. This bumper is built for off-road adventures.
Made from high-quality aluminum, it’s lightweight yet strong. The anodized surface adds durability and style. It protects your ATV and passengers from impacts.
This bumper also enhances your ATV’s look. It comes with 1-inch heavy-duty tubing. Easy to install and ready to use.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This front bumper is perfect for ATV riders who want strong protection and a sleek look. It’s ideal for off-road adventures, keeping your ATV safe and looking great.
Ready to Purchase?
10. GoaMotors For Honda Trx400ex Thumb Throttle for Honda TRX450r TRX400ex trx 450r 300ex 400ex 250r,Black

GoaMotors Thumb Throttle is a perfect fit for Honda TRX400ex, TRX450r, and more. It’s ready to install on any year of these models.
This throttle works on almost every Honda thumb throttle quad. It replaces OEM parts like 53142-HC0-770. Easy to use and reliable.
The package includes 1 thumb throttle. It’s black and built to last. Upgrade your ride with this simple solution.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This thumb throttle is perfect for Honda quad owners who need a reliable replacement. It fits many Honda models, making it a great choice for quick repairs.
Ready to Purchase?
Buying Guide
Honda TRX450R owners love the thrill of riding. Keep your ATV performing at its best with the right parts.
Buying Guide for Best Honda TRX450R Parts
When upgrading or replacing parts, consider these factors:
- Compatibility: Ensure parts fit your TRX450R model and year. Check specifications before buying.
- Quality: Choose OEM-quality options for durability and reliability. Look for trusted brands.
- Ease of Installation: Pick parts that are easy to install. Save time and effort with user-friendly designs.
- Performance: Select parts that enhance your ride. Focus on engine cooling, lighting, and maintenance.
- Warranty and Support: Look for products with warranties and customer support. Ensure peace of mind with your purchase.
- Material: Opt for high-quality materials like aluminum or ABS plastic. These ensure longevity and performance.
- Price: Compare prices for the best value. Balance cost with quality and features.
Engaging Experience
Upgrading your TRX450R is exciting. Each part improves your ride, from engine cooling to lighting. Enjoy a smoother, more reliable ATV with the right upgrades.