If your ATV feels like a wrestling match at low speed or after mounting 30-inch tires, flushing your power steering fluid yourself can be a crucial maintenance step that makes power steering worth the money. Factory EPS is the cleanest fix if your model already has the option; otherwise, a retrofit kit with a sealed, contactless torque sensor from an established brand is your next best move. Start with SuperATV’s EZ-STEER lineup, a Rugged universal kit, or a Kimpex replacement motor, but confirm fitment and budget before you buy anything.
TL;DR:
- Most mid-range kits in the 220 to 400W range are suitable for stock or mildly modified ATVs, providing adequate steering assistance without requiring excessive power.
- Contactless torque sensors are more durable and reliable than contact-based versions, especially in muddy or dusty off-road conditions.
- Proper fitment checks, including steering shaft spline and clearance, are critical to avoid fit issues or the need for custom fabrication during installation.
- Warranties under one year and the absence of IP ratings or sensor type specifications indicate lower-quality or budget kits with reduced service life.
- Installing an EPS kit typically takes two to four hours for bolt-on models, with universal kits demanding additional fabrication efforts.
Table of Contents
- What Are the Best ATV Power Steering Kits Right Now?
- How Do You Choose the Right EPS Kit for Your ATV?
- What Does Installing ATV Power Steering Actually Involve?
- Why Does ATV Power Steering Stop Working Correctly?
- How Much Does ATV Power Steering Cost to Add?
- What Do Dealers See With ATV Power Steering Installs?
- Is ATV Power Steering Worth Adding to Your Machine?
- Get Fitment Right Before You Buy an EPS Kit
- Where to Verify Kit Specs and Installation Steps Before You Buy
- Sources
What Are the Best ATV Power Steering Kits Right Now?
The retrofit market has narrowed to a handful of names worth your attention, and the differences between them come down to motor size, sealing, and how much fabrication you’re willing to do. Here’s how the leading options stack up.
| Kit | Motor power | Water/dust rating | Warranty | Price range | Fitment | Install difficulty |
|---|---|---|---|---|---|---|
| SuperATV EZ-STEER Series 6 | 600W, single battery | Sealed/watertight ECU | 1 year (vendor standard) | High end of the market | Universal, some model-specific kits | Moderate to advanced |
| SuperATV EZ-STEER 380W/400W | 380W or 400W | Sealed shafts, watertight control box | 1 year | Mid-range | Universal | Moderate |
| Rugged Electric Power Steering Kit | 220W to 380W | IP67 on select listings | 1 to 2 years (varies by retailer) | Entry to mid-range | OE-style replacement and universal | Easy to moderate |
| Kimpex power steering systems/motors | Varies by model | Not standardized across listings | Varies by manufacturer | Mid to high range | Vehicle-specific and replacement motors | Moderate |
SuperATV EZ-STEER Series 6 targets riders who’ve gone big: 30-inch-plus tires, heavy front-end mods, long-travel suspension. SuperATV markets it as a 600 watt single-battery EPS kit that eliminates steering feedback without requiring a second battery in the vehicle, which matters if your ATV’s electrical bay is already crowded with accessories. The tradeoff is cost and installation complexity. It’s not the kit you grab for a stock quad with all-terrain tires.
The 380W and 400W EZ-STEER kits cover the middle ground where most riders actually live. SuperATV builds these with sealed input and output shafts and watertight control boxes designed to survive mud crossings and creek fords, not just light rain. For a rider running moderately oversized tires and a winch but nothing extreme, this is usually the sweet spot between assist strength and price.
Rugged’s Electric Power Steering Kit family runs 220W to 380W, and select listings advertise an IP67 rating alongside a contactless torque sensor as the headline feature. That contactless sensor design matters more than it sounds. Contact-based sensors wear down under constant vibration; contactless units read the steering input magnetically instead, so there’s nothing physically rubbing that can degrade over years of trail abuse. If you’re comparing kits and can’t get a straight answer on sensor type, that’s worth flagging as a gap.
Kimpex rounds out the list as the Canadian storefront option, carrying both complete power steering systems and standalone replacement motors for ATV and UTV steering setups. Availability and pricing show directly on the site, which helps when you’re trying to nail down real numbers instead of guessing from a US listing and converting currency in your head.
Pro Tip: Watch for the vendor’s own testing claims. SuperATV states the Series 6 is tested for water and dust resistance as part of its build spec. That’s a marketing claim, not an independent lab result, so treat it as a data point rather than gospel.
How Do You Choose the Right EPS Kit for Your ATV?
Matching a kit to your machine isn’t complicated, but skipping a step here is exactly how people end up returning kits or drilling holes they didn’t need to drill. Work through this in order.
- Confirm the steering shaft spline and clearance. Some kits advertised as universal are built specifically for UTV steering columns rather than ATV handlebar setups. Measure before you order.
- Match motor wattage to your tire size and lift height. Stock or mildly upgraded tires generally suffice with motors in the 220 to 380 watt range. Larger tires or heavy front-end modifications usually require higher wattage motors.
- Prioritize contactless torque sensors over contact-based designs. They hold up better in the vibration and grit an ATV throws at them, according to guidance practitioners commonly give for off-road electronics.
- Check the IP rating before you check the price. An unlisted water/dust rating on a component that sits exposed near the front wheels is a real gap, not a minor omission.
- Review the warranty length and return policy. A sub-one-year warranty on an electrical component that lives in mud and water is a warning sign, not a cost-saving feature.
Red flags worth walking away from: no stated sensor type, no IP rating anywhere in the listing, and warranty periods under a year. None of these are dealbreakers in isolation, but two or more together usually means you’re looking at a budget kit built to a price point rather than a service life.
What Does Installing ATV Power Steering Actually Involve?
Installation breaks down into four stages regardless of which kit you buy: mounting the motor to the steering shaft, running the wiring harness to the ECU, connecting power (often to a keyed source so the system shuts off with the ignition), and calibrating the assist through a startup sequence or app.
Vehicle-specific bolt-on kits are the easier path. They’re engineered for your exact steering column, so the motor mount lines up and you’re mostly following a wiring diagram. Universal kits are where things get messier:
- Custom bracket fabrication is common when the motor mount doesn’t clear factory components.
- Spline adapters may be needed if your steering shaft diameter doesn’t match the kit’s output shaft.
- Some installs require light welding, particularly on older or non-mainstream ATV models with no dedicated kit available.
Budget two to four hours for a straightforward bolt-on install if you’re comfortable with basic hand tools and 12-volt wiring. Universal kits requiring fabrication can stretch to a full day. SuperATV’s own troubleshooting documentation walks through the most common wiring and calibration mistakes buyers hit during self-installation, and it’s worth reading before you start, not after something doesn’t work.
Why Does ATV Power Steering Stop Working Correctly?
Most EPS complaints trace back to five checkpoints, and working through them in order saves a lot of guessing.
- Check battery voltage first. A weak or aging battery can’t supply the current an EPS motor needs under load, causing assist to cut out exactly when you need it most.
- Verify keyed power reaches the ECU. If the control unit isn’t getting switched power, nothing downstream will function no matter how good the motor is.
- Inspect connectors for corrosion. Mud and water exposure over a season or two corrodes pins, especially on kits without a fully sealed harness.
- Read the ECU status light. Most systems flash a fault code pattern; matching it against the vendor’s guide narrows the problem fast.
- Trace sensor wiring for chafing. Torque sensor wires routed near moving steering components can wear through insulation over time.
Intermittent assist is almost always voltage sag or a corroded connector, not a dead motor. Pro Tip: Before assuming the worst, unplug and reseat every connector in the harness with a dab of dielectric grease. It fixes more “broken” EPS systems than any other single step. If the fault persists, that’s the point to pull up the manufacturer’s troubleshooting guide or hand it to a shop with actual EPS diagnostic experience.
How Much Does ATV Power Steering Cost to Add?
Entry-level universal kits in the 220 to 380W range sit at the lower end of the aftermarket, while high-power single-battery systems like the Series 6 command a premium for their capability. Kimpex’s Canadian listings give you a direct-to-CAD reference point without any currency guesswork, and marketplace aggregators like Amazon Canada show just how wide the price spread gets once you include every third-party listing.
- Entry universal kits: lowest price band, best for stock or lightly modified quads.
- Mid-range 380 to 400W kits: the price point most riders with moderate tire upgrades land on.
- Series 6 and comparable high-power kits: top of the market, justified mainly by extreme builds.
- Added costs to budget for: a second battery on kits that require one, spline adapters, and welding labor if your steering column needs fabrication.
A DIY install with a mid-range kit typically costs just the kit price plus incidental hardware. A pro install adds labor, more if fabrication is involved, which is where a universal kit can quietly cost as much as a vehicle-specific one once the shop bill lands.
What Do Dealers See With ATV Power Steering Installs?
Riders bringing in machines for EPS work fall into a few repeat patterns: someone who added 30-inch tires and now finds the steering unbearable, someone whose factory EPS motor finally died after years of trail use, and someone stuck deciding between a 220W and 400W kit with no idea which their build actually needs.
The fitment questions are where most self-installs go sideways. A steering shaft that’s a few millimeters off spec, a bracket that doesn’t quite clear the frame, a warranty claim that gets denied because the buyer can’t prove professional installation. Verifying fitment and keeping service records before the wrench ever touches the bike prevents most of that friction.
That kind of fitment check, plus wiring support and warranty documentation, is exactly what separates buying from an established dealer versus an anonymous online listing.
Is ATV Power Steering Worth Adding to Your Machine?
Power steering is a genuine upgrade in comfort and control, not a gimmick, but it adds cost, complexity, and one more electrical system that can fail. Choose factory EPS when your model offers it. Choose a reputable retrofit with a sealed, contactless sensor when it doesn’t. If you’re on stock tires with light trail use, hold off. Always verify fitment and read the actual warranty terms before you buy.
— Dirty
Get Fitment Right Before You Buy an EPS Kit
Picking a kit from a listing photo is where most EPS headaches start. The seller checks fitment against your actual machine before parts change hands, with support for delivery across Canada and a team familiar with the platforms they sell.

Bigger tires change your steering load more than most riders expect, which is exactly why pairing an EPS upgrade with the right rubber matters. If you’re running or planning a set of Braven Hellhound Uber XOR radials, that’s the kind of tire upgrade worth discussing with EPS motor wattage in the same conversation, not after the fact. Dirtybirdypowersports can also help with grip upgrades like the ATV-UTV TEK V-Grip handlebar for riders dialing in overall control, not just steering assist. Reach out through Dirtybirdypowersports for a fitment check or to book an install, whether you’re local to Squamish or shipping parts across the country.
Where to Verify Kit Specs and Installation Steps Before You Buy
Check these directly before purchasing, since fitment notes and torque specs vary by model year:
- SuperATV EZ-STEER Series 6 for high-power kit specs and troubleshooting steps.
- SuperATV 380W Universal Kit for mid-range sealing and durability details.
- Rugged Electric Power Steering Kit for IP67 and sensor specs.
- Kimpex Power Steering Systems for Canadian pricing and availability.
- ATV Rider’s factory EPS comparison for how OEM systems differ in feel.