OLIFANT Voltage Regulator Rectifier for Arctic Cat 400/500 (2000–2009) — 3‑pin & 4‑pin, 7‑wire OEM Fit

OLIFANT's voltage regulator rectifier is a direct-fit replacement that stabilizes charging output for Arctic Cat 400, 500 and 375 ATVs from 2000–2009.

If your Arctic Cat is experiencing dimming lights, battery drain, or erratic electrical behavior, a worn regulator/rectifier is often the cause. This aftermarket unit from OLIFANT is designed to match OEM electrical connections and mounting points, restoring consistent charging voltage and protecting the battery and electronics. It fits multiple model years and variants and includes both a 3-pin and 4-pin plug configuration with seven wires for straightforward installation.

Which Arctic Cat models and years does this part replace?

This OLIFANT regulator/rectifier covers a broad range of Arctic Cat ATVs across the 2000s. It replaces original units on both 400 and 500 displacement models as well as the 375, depending on year and configuration. Check your vehicle’s year and trim to confirm compatibility before purchase.

• Arctic Cat 400: 2001–2008 (includes TRV 400 2006–2008, TBX 400 2004–2006, DVX 400 2004–2008)
• Arctic Cat 500: 2000–2009 (includes TRV 500 2003–2008, TBX 500 2002–2006)
• Arctic Cat 375: 2x4/4x4 models from 2002
• Cross-references: 3402-682, 3530-028, 3530-059

How does it connect and install on my ATV?

The unit is built for plug-and-play replacement using the same mounting points as factory parts. It comes with both a 3-pin and a 4-pin plug and seven wires routed to match OEM harnesses, minimizing splicing or rewiring. Most DIY mechanics can swap the old unit out with basic tools.

• OEM-style 3-pin + 4-pin plugs for direct harness connection
• Seven-wire configuration to match factory wiring layouts
• Mounting holes compatible with original regulator brackets
• No special programming or calibration required

What performance and protection can I expect?

The regulator/rectifier converts alternator AC to steady DC while keeping voltage within safe limits for the battery and electronics. A functioning unit prevents overcharging and voltage spikes that can damage lights, ignition components, and batteries. This OLIFANT part is manufactured to deliver reliable charging across typical riding conditions.

• Stable DC output to preserve battery life
• Prevents overvoltage events and electrical surges
• Durable construction for vibration and heat resistance
• Matches OEM electrical performance specifications

What should I check before buying or installing?

Confirm the year and model of your Arctic Cat and compare the OEM reference numbers to ensure fitment. Inspect the existing plug types and wire count on your machine; this replacement expects both 3-pin and 4-pin connectors and seven wires. If your ATV shows symptoms like flickering lights, weak starts, or a dead battery after riding, a failing regulator/rectifier is likely.

• Verify model and year compatibility against listed fits
• Match your ATV’s plug arrangement (3-pin + 4-pin, 7 wires)
• Test the stator and battery to isolate charging issues before replacing
• Have basic hand tools ready for a 30–60 minute swap

Who is this for: OLIFANT’s regulator/rectifier is for Arctic Cat owners and mechanics who need a dependable, OEM-compatible charging component for 400, 500, or 375 models from the 2000–2009 era. It suits riders wanting a straightforward replacement that restores stable charging, prevents battery problems, and avoids complex rewiring. Recommended for DIY installers and professional shops seeking an economical, direct-fit alternative to factory parts.