The Wiseco team has remained at the forefront of powersports performance through every era and evolution, including the development of high-performance 4-strokes. Today, Wiseco's forged 4-stroke pistons are designed for each specific engine application and built to the tightest tolerances for the ultimate combination of performance and strength. Proven at every level of riding, Wiseco 4-stroke pistons are ready to deliver the power and reliability you're looking for.
This Part Fits:
| Year |
Make |
Model |
Submodel |
| 2009-2014 |
Honda |
TRX420FA Rancher AT |
Base |
| 2014-2016 |
Honda |
TRX420FA1 FourTrax Rancher 4x4 Auto DCT |
Base |
| 2014-2021 |
Honda |
TRX420FA2 FourTrax Rancher 4x4 Auto DCT with EPS |
Base |
| 2015-2021 |
Honda |
TRX420FA5 FourTrax Rancher 4x4 Auto DCT IRS |
Base |
| 2015-2021 |
Honda |
TRX420FA6 FourTrax Rancher 4x4 Auto DCT IRS EPS |
Base |
| 2007-2013 |
Honda |
TRX420FE FourTrax Rancher 4X4 ES |
Base |
| 2014-2021 |
Honda |
TRX420FE1 FourTrax Rancher 4x4 ES |
Base |
| 2007-2013 |
Honda |
TRX420FM FourTrax Rancher 4X4 |
Base |
| 2014-2021 |
Honda |
TRX420FM1 FourTrax Rancher 4x4 |
Base |
| 2014-2016,2020-2021 |
Honda |
TRX420FM2 FourTrax Rancher 4x4 with EPS |
Base |
| 2009-2014 |
Honda |
TRX420FPA Rancher AT 4x4 w/ Power Steering |
Base |
| 2009-2013 |
Honda |
TRX420FPE Rancher ES 4x4 w/ Power Steering |
Base |
| 2009-2013 |
Honda |
TRX420FPM Rancher 4x4 w/ Power Steering |
Base |
| 2007-2013 |
Honda |
TRX420TE FourTrax Rancher ES |
Base |
| 2014-2016,2020-2021 |
Honda |
TRX420TE1 FourTrax Rancher ES |
Base |
| 2007-2013 |
Honda |
TRX420TM FourTrax Rancher |
Base |
| 2014-2021 |
Honda |
TRX420TM1 FourTrax Rancher |
Base |
⚠️ California Proposition 65 Warning:
This product may expose you to chemicals known to the State of California
to cause cancer or reproductive harm.
The AutoHouse Advantage: Global sourcing power paired with specialized expertise. We utilize an expansive supply network of over 600,000 SKUs to deliver world-class components with an enthusiast’s precision.
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Price Match Guarantee:
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We are committed to providing the best value. If you find a lower advertised price from a verified vendor, we will match it. Shop with confidence knowing you’re getting the industry's lowest price.
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Project Incentives:
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We reward enthusiasts who trust us with their major projects. Use these tiered codes at checkout to apply instant savings to your order:
• AH25 — $25 OFF $500+ | • AH60 — $60 OFF $1000+
• AH180 — $180 OFF $3000+ | • AH400 — $400 OFF $6000+
• AH630 — $630 OFF $9000+
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Fitment Guarantee:
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Avoid the headache of the wrong part. If you are unsure about compatibility, contact us first. If we verify the fitment for your vehicle via email and it doesn’t fit, we will handle the exchange at no cost to you.
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Leveraging our massive supply chain, we secure hard-to-find components that other shops can't access. Whether it's a standard upgrade or a custom exotic application, we have the network to get it to your door.
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High-value performance parts deserve high-level security. We utilize fully encrypted, PCI-compliant checkout and premium, insured carriers to ensure your investment is protected from the moment you click 'Order' until it’s in your hands.
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Precision Support: Whether you are dialing in a daily driver or sourcing components for a high-performance exotic, our team is here to ensure your project stays on track. Use the channels below for sales, technical assistance, or order updates.
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Direct Consultation:
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For sales inquiries, help applying Project Incentives, or immediate assistance with a new order:
(828) 588-5888
Monday – Friday | 9am – 5pm EST
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To qualify for our Fitment Guarantee, please email your vehicle’s Year, Make, Model, and any existing modifications to:
support@autohousesupply.com
Our experts will review your specifications and provide written confirmation for your build.
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For tracking updates or status inquiries on existing orders, please reach out via our Contact Form. Having your order number ready will allow us to provide the most efficient update.
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Global Inquiries:
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We proudly support builds across the US, Canada, Mexico, and worldwide. For international shipping quotes or oversized freight logistics, please contact us via the email link above.
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Need an immediate answer? Our
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Secure Shipping:
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We offer FREE Ground Shipping within the 48 contiguous United States. Most in-stock orders process within 48 hours. For your security, high-value performance parts require a signature upon delivery to ensure they reach you safely.
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Transit Protection:
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Please inspect your order immediately. Damage must be reported within 48 hours. For freight/LTL items, if you cannot inspect the contents immediately, please write "Subject to Inspection" on the delivery receipt before signing.
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Flexible Returns:
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Unused items in brand-new, original packaging can be returned within 30 days. While standard refunds incur a 25% restocking fee, we will waive this fee entirely if you choose store credit or an exchange for your next upgrade.
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Exclusions:
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To ensure every customer receives brand-new, untampered components, parts that have been installed, modified, or used are non-returnable. Custom builds, special orders, and wheel/tire packages are considered final sale.
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Need assistance? Reach out via our
Contact Form before shipping any items back so we can provide you with an RMA number.
Fitment Guarantee
Fitment guides and tools are helpful—but your car is unique! Some trims and options aren’t always listed, so if you want 100% confidence that a part will fit, our team is happy to double-check for you. We take the guesswork out of your purchase by standing behind our expertise.
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Verify Your Build:
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If this product doesn't list your specific vehicle data, simply reach out to support@autohousesupply.com. We will manually verify compatibility for you.
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Our Promise:
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When we confirm a fitment in writing and it doesn’t work for your application, we cover the return shipping and exchange it at no cost to you.
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Questions? Send us your
Year, Make, and Model via our
Contact Form and we’ll get you a definitive answer so you can buy with confidence.
