1. Electrical Components ATV Parts For Sale
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  3. POLARIS 4011602

POLARIS 4011602 Ecu Ecm 2009

fits model: 800, Sportsman. make: Polaris. year: 2007.

4011602 Polaris 2007 -2009 Sportsman 800 Ecu Ecm

( Manufacturer Part Number: 4011602 ), ( Part Type: Ecm Ecu ), ( Machine Type: Atv ), ( Color: Black ), ( Compatible Model: Sportsman 800 ), ( Material: Plastic ), ( Vintage Part: No ), ( California Prop 65 Warning: Www.p65warnings.ca.gov ), ( Oe/oem Part Number: 4011599 ), ( Compatible Year: 2009 )

Review POLARIS 2009 Ecu Ecm fits SPORTSMAN 800 2007

The **Polaris Sportsman 800 (2007 2009) with the 4011602 ECU/ECM** is a rugged, high-performance off-road utility vehicle designed for those who demand versatility, durability, and cutting-edge technology in their outdoor adventures. Built upon Polaris legendary Sportsman platform, this model features a powerful **800cc V-twin engine** paired with a **fully electronic fuel-injected (EFI) system**, delivering smooth, responsive power across a wide range of terrains from dense forests and rocky trails to muddy swamps and open fields. The **2007 2009 ECU (Electronic Control Unit) and ECM (Engine Control Module)** in this unit, specifically the **4011602 model**, is a critical component that manages fuel delivery, ignition timing, throttle response, and emissions compliance, ensuring optimal performance while adhering to modern environmental standards. This ECU is engineered to provide precise engine tuning, adaptive learning capabilities, and diagnostic functions, allowing for better fuel efficiency, reduced emissions, and enhanced reliability over time.

Mechanically, the Sportsman 800 excels with its **front-wheel-drive (FWD) or optional all-wheel-drive (AWD) configuration**, paired with a **5-speed manual transmission** (or available automatic in later models), offering drivers the flexibility to tackle both on-road and off-road challenges with ease. The **spacious, enclosed cab** provides protection from the elements while maintaining excellent visibility, and the **adjustable seats** ensure comfort during long hours of riding. The **skid plate protection** and **high ground clearance** further reinforce its off-road prowess, making it ideal for hunters, outdoor enthusiasts, and those who rely on their vehicle for heavy-duty tasks like hauling equipment, towing trailers, or navigating rough terrain.

For those seeking customization, the **4011602 ECU** is a popular choice among tuners and enthusiasts due to its compatibility with aftermarket performance upgrades, including **chip tuning, throttle response mods, and exhaust enhancements**. This allows riders to fine-tune the engine for increased horsepower and torque while maintaining the stock reliability of the original Polaris design. The **OBD-II compatible diagnostics** built into the ECU also make troubleshooting easier, enabling users to monitor engine health, identify potential issues, and perform maintenance with greater precision.

Whether used for recreational trail riding, professional work applications, or as a dependable all-terrain companion, the **Polaris Sportsman 800 (2007 2009) with the 4011602 ECU/ECM** stands out as a well-rounded, high-performance machine. Its blend of **power, adaptability, and technological sophistication** makes it a sought-after choice for those who refuse to compromise on performance or durability in their off-road adventures. With proper care and maintenance, this vehicle remains a timeless workhorse, ready to conquer any challenge thrown its way.

### **Pros and Cons of Buying a Polaris Sportsman 800 (2007-2009, 4011602, 2007-2009, with ECU/ECM)**

#### **Pros**

1. **Reliability and Durability** The Polaris Sportsman 800 is known for its robust build, especially in the 2007-2009 models. The 800cc V-twin engine is a proven design with good longevity if maintained properly. Many owners report these bikes lasting well beyond 10,000 hours with basic upkeep.

2. **Off-Road Capability** The Sportsman 800 is designed for adventure riding, with a sturdy frame, long-travel suspension (especially in the 2009 model with updated shocks), and a high ground clearance. It performs well on trails, gravel roads, and light overlanding applications.

3. **Fuel Efficiency for Its Class** Compared to larger displacement ATVs, the 800cc engine is relatively fuel-efficient, averaging around **30-40 MPG** on trails, depending on terrain and riding style. This makes it cost-effective for long-distance or frequent use.

4. **Modularity and Upgrade Potential** The Sportsman 800 has a strong aftermarket support system. Owners can easily upgrade components like the exhaust, suspension, tires, and ECU for better performance. The 2009 model, in particular, saw slight refinements that may make it a better long-term choice.

5. **Comfortable for Two Riders** The seating position is upright and ergonomic, making it suitable for extended rides. The cargo box (if included) provides practical storage for tools, camping gear, or hunting equipment.

6. **Lower Operating Costs Compared to Larger ATVs** Parts, fuel, and maintenance costs are generally lower than those of 900cc or 1000cc models, making it a budget-friendly option for serious riders.

7. **Resale Value** Well-maintained Sportsman 800s hold their value reasonably well, especially if they have a clean service history. The 2009 model may have a slight edge due to minor improvements over the 2007-2008 versions.

8. **Versatility** Beyond off-roading, this ATV can be used for farming, snow plowing (with a kit), light hauling, or even as a utility vehicle on flat terrain.

---

#### **Cons**

1. **Age and Potential Wear** The 2007-2009 models are now **15-17 years old**, meaning parts like the **transmission, clutch, suspension bushings, and ECU** may require replacement sooner rather than later. Rust can also be an issue if the ATV was stored in wet conditions.

2. **ECU/ECM Reliability Concerns** The **ECU (Engine Control Unit)** in these models is not as advanced as modern systems and can fail over time, leading to **rough idling, stalling, or no-start conditions**. Replacing the ECU can be expensive, and compatibility with aftermarket tuning may be limited.

3. **Suspension Wear** The stock suspension (especially on the 2007-2008 models) is **stiff and less forgiving** compared to newer models. The shocks may need frequent servicing or replacement, and the frame bushings can wear out, leading to a "loose" feel.

4. **Fuel System Issues** Older Polaris models are prone to **carburetor or fuel pump failures**, particularly if the ATV was not regularly maintained. The 2009 model switched to **fuel injection**, which is more reliable but still not as robust as modern systems.

5. **Tire and Bearing Wear** The stock tires (especially if they ve seen heavy use) may be worn out, and the **wheel bearings** can seize if not lubricated properly. Replacing these parts can add up in cost.

6. **Limited Modern Safety Features** Unlike newer ATVs, these models lack **traction control, electronic stability systems, or advanced braking assistance**. Riding on rough terrain requires more skill and caution.

7. **Noise and Vibration** The 800cc engine is **loud and vibrates more** than modern ATVs, which can be tiring on long rides. Exhaust upgrades can help, but the stock setup is not as refined.

8. **Parts Availability** While Polaris still makes parts for these models, some components (especially for the ECU or suspension) may be **discontinued or expensive**. Buying from third-party suppliers can be risky due to quality inconsistencies.

9. **Resale Depreciation** Even well-maintained 2007-2009 Sportsman 800s will depreciate significantly over time. If you plan to sell later, the return on investment may not be as strong as buying a newer model.

10. **Legal Restrictions in Some Areas** Some regions have **weight or speed restrictions** for older ATVs, which may limit where you can legally ride. Always check local regulations before purchasing.

---

### **Ending Conclusion**

The **Polaris Sportsman 800 (2007-2009)** is a **capable, reliable, and versatile** ATV that remains a solid choice for **budget-conscious riders** who prioritize **durability, off-road performance, and modularity**. It excels in **trail riding, utility work, and light overlanding**, and its **fuel efficiency** makes it practical for frequent use.

However, **age-related wear and potential ECU/suspension issues** mean that **regular maintenance and budgeting for repairs** will be necessary. If you re looking for a **long-term project ATV** or a **secondary vehicle** for occasional use, this model can be a great find especially if you **inspect it thoroughly** before buying.

For **primary use or riders who want modern reliability**, a **newer Sportsman 800 (2010 )** or a **different brand (e.g., Can-Am Defender, Honda TRX)** may be worth the investment due to **better electronics, suspension, and parts availability**.

---

### **Recommendation**

**Buy if:**

You re on a **tight budget** and can afford **regular maintenance**.

You **inspect the ATV thoroughly** (check ECU, suspension, frame, and engine condition).

You **plan to upgrade key components** (exhaust, suspension, tires) soon after purchase.

You **don t mind some age-related quirks** in exchange for a **proven, durable machine**.

You **won t mind lower resale value** and are keeping it long-term.

**Avoid if:**

You **need a reliable, low-maintenance ATV** for daily use without extra costs.

The **ECU or suspension shows signs of failure** (rough idling, leaks, excessive play).

You **can t commit to regular maintenance** (oil changes, tire rotations, bearing checks).

You **want modern features** like traction control, better fuel injection, or easier diagnostics.

**Best Approach:**

- **Get a pre-purchase inspection** from a **Polaris specialist** to check for **hidden issues**.

- **Budget for immediate upgrades** (ECU, suspension, tires) if needed.

- **Consider a 2009 model** over 2007-2008 if available, as it has **minor refinements**.

- **Buy from a reputable seller** with **service records** to ensure transparency.

If you re **serious about this ATV**, it can be a **great long-term investment** just **expect to spend extra on upkeep** compared to a newer model. If you re **unsure about maintenance**, a **used 2010 Sportsman 800** or a **different brand** might be a safer bet.

Details:

With a manufacturer part number of 4011602, this ECM is crucial component for maintaining the electrical and ignition systems your Polaris ATV. Made of durable plastic in black color, this ECM is compatible with the Sportsman 800 model and not universal fitment. The 2007 - 2009 Polaris Sportsman 800 ECU ECM is a specific replacement part designed for ATV.

part #: 4011602 prices

  • $349.95-$356.25

specifications electricacompone:

  • for models: 800, Sportsman
  • for makes: Polaris
  • for years: 2007
  • mpn: 4011602
  • part type: Ecm Ecu
  • machine type: Atv
  • color: Black
  • compatible model: Sportsman 800
  • material: Plastic
  • vintage part: No
  • california prop 65 warning: Www.p65warnings.ca.gov
  • oe/oem part number: 4011599
  • compatible year: 2009

offer electricacompone:

  • started: June 9, 2026
  • quantity: 1
  • availability: In Stock
  • options: Ship-to-home
  • best offers: True
  • sold: 0

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  • # reviews: 543
  • city: Prestonsburg, Kentucky
  • rating: 100.0%

general electricacompone:

  • ATV, Side-by-Side UTV Parts Accessories > Electrical Ignition Components > Other Electrical Ignition Components
  • condition: Used

shipping electricacompone:

  • type: Calculated
  • transit: 4-11 Days
  • class: Standard
  • cost: $11.35
  • service: USPS Ground Advantage
  • carrier: USPS
for models: 800, sportsman, for makes: polaris, for years: 2007, part type: ecm ecu, machine type: atv, compatible model: sportsman 800, vintage part: no, california prop 65 warning: www.p65warnings.ca.gov, oe/oem part number: 4011599, compatible year: 2009,
category: atv parts > atv, side-by-side utv parts accessories > electrical ignition components, color: black, material: plastic, sku: 25505364206496762,
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  • Used. Offer #1 priced at $349.95 + $0.00 shipping estimate = $349.95* total. FREE SHIPPING
  • Used. Offer #2 priced at $356.25 + $0.00 shipping estimate = $356.25* total. FREE SHIPPING

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