TRX400EX Engine Rebuild Kit 1999–2004 | Wrench Rabbit WR101-192
🛠️ Honda TRX400EX Complete Engine Rebuild Kit (1999–2004) – Wrench Rabbit WR101-192
Restore your 400EX engine from the ground up with this all-in-one Wrench Rabbit rebuild kit. Designed for reliability and simplicity, it includes everything you need—crank, piston, gaskets, bearings, cam chain, and more.
✅ What’s Included:
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Complete Crankshaft Assembly
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Standard Bore Piston Kit
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Full Engine Gasket Kit w/ Oil Seals
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Main Bearing and Seal Kit
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Water Pump Rebuild Kit
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Transmission Bearing Kit
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Countershaft Bushing and Seal Kit
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Cam Chain
All components meet or exceed OEM specifications. No guesswork—just install and ride.
📦 Fitment:
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1999 Honda TRX400EX FourTrax
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2000–2004 Honda TRX400EX Sportrax
For all standard 400cc 4-stroke TRX400EX models from 1999–2004.
🛡️ Warranty Info:
Manufactured by Vertex and backed by Wrench Rabbit’s reputation for performance and durability. Proper installation and break-in required for warranty eligibility.
📦 Shipping Information
In-Stock Items:
- Most parts ship next business day
- Modquad parts: Monday–Thursday dispatch
Made-to-Order Items:
- Custom swingarms & A-arms: 2–4 weeks
- EVP exhaust systems: 2–4 weeks
- Sneakers: 1–2 weeks
Stock Guarantee: Items marked "In Stock" ship immediately. Made-to-order items are built fresh for you.
Questions? Contact us—we respond within 24 hours.