POLARIS 5633284 Engine Crankcase

( Part Type: Engine Case ), ( Ipn: 5633284 ), ( Oe/oem Part Number: 5633283 )

Review POLARIS Engine Crankcase Cases Of fits RZR TURBO 2016–2019

The **Polaris RZR Turbo Engine Crankcase (Part Number: 5633284)** is a high-performance, precision-engineered component designed exclusively for the **2016 2020 Polaris RZR Turbo models (specifically the 2017, 2018, 2019, and 2020 iterations, as well as the 2016 variant with the same engine architecture)**. This critical part serves as the foundational housing for the **Turbocharged 600cc V-Twin engine**, housing the crankshaft, connecting rods, and other internal components while ensuring optimal lubrication, cooling, and structural integrity under extreme off-road conditions. Crafted from **high-grade aluminum alloy**, the crankcase is engineered to withstand the intense forces generated by the turbocharged engine, delivering superior durability and resistance to thermal stress. Its **precision-machined surfaces** and **sealed interfaces** prevent oil leaks and maintain peak engine efficiency, even during aggressive riding, high-speed maneuvers, or prolonged use in harsh environments. The design incorporates **reinforced gussets and ribbing** to enhance rigidity, reducing vibration and improving overall power delivery while minimizing wear on critical engine components. Whether you're restoring a classic RZR Turbo or upgrading an existing unit, this **OEM-replacement crankcase** ensures compatibility with the **2016 2020 model years**, including the **16" and 17" wheelbase variants**, and aligns with Polaris s stringent performance standards. Built to meet the demands of both recreational and competitive off-roading, this component is essential for maintaining the **smooth, responsive, and reliable operation** of your RZR Turbo s turbocharged powerplant.

### **Pros and Cons of Buying a Polaris RZR Turbo (2016 2019) with a 5633284 Engine Crankcase**

#### **Overview**

The **Polaris RZR Turbo (2016 2019)** with the **5633284 engine crankcase** is a popular UTV model known for its performance, off-road capability, and aftermarket potential. However, like any used vehicle, it has advantages and drawbacks depending on your needs, budget, and experience level.

---

### **Pros**

1. **Strong Performance and Power**

- The **Turbocharged 600cc V-Twin engine** delivers **100 horsepower**, making it one of the most powerful RZR models in its class.

- The turbocharged setup provides **better throttle response** compared to naturally aspirated models, improving acceleration and towing capacity.

- Suitable for **off-road, trail riding, and light towing** (up to 2,000 lbs with proper setup).

2. **Reliability (When Maintained Properly)**

- Polaris engines are generally **durable**, especially the **5633284 crankcase**, which is a **reforged aluminum block** designed for high performance.

- With **regular maintenance**, the engine can last **100,000 miles** (though turbocharged engines may require more frequent oil changes and cooling system checks).

- Many owners report **fewer major issues** compared to earlier RZR models, thanks to Polaris refinements in this generation.

3. **Aftermarket Support and Customization**

- The **Turbo RZR is one of the most modified UTVs** on the market, with extensive aftermarket parts available for **suspension, exhaust, cooling, and performance upgrades**.

- **Cold air intake (CAI) and exhaust upgrades** (e.g., **Polaris Performance, Turbocharger Dynamics, or aftermarket turbo kits**).

- **Larger radiators and cooling fans** (critical for turbo models to prevent overheating).

- **Suspension upgrades** (e.g., **Fox shocks, Bilstein, or coilovers** for better off-road handling).

- **Towing packages** (hitches, winches, and reinforced frames).

- **Tuning options** (e.g., **Polaris Performance ECU remaps**) can further increase power and torque.

4. **Resale Value and Community**

- The **Turbo RZR holds its value well** compared to other UTVs, especially with lower mileage and proper maintenance records.

- A **large and active owner community**, with forums (e.g., **UTVForum, RZR.net, Facebook groups**) providing **troubleshooting, build guides, and parts recommendations**.

- **Parts are widely available**, reducing downtime for repairs.

5. **Versatility for Different Use Cases**

- Can be used for **recreational riding, hunting, fishing, light farming, and even light off-road racing** (with proper modifications).

- **Seating for 3 4 people** (depending on configuration) makes it suitable for group outings.

- **Optional roof and windshield packages** improve comfort for long rides.

6. **Turbocharger Advantages**

- The **turbocharger provides extra low-end torque**, making it easier to **climb steep hills and pull heavy loads** compared to non-turbo models.

- **Better fuel efficiency than larger displacement engines** (e.g., 700cc or 800cc V-Twins) in some cases, though turbo models still drink fuel.

7. **Available in Multiple Years (2016 2019)**

- **2016 2017 models** are **cheaper but may have slightly older electronics and minor design quirks**.

- **2018 2019 models** feature **improved electronics, better cooling, and some refinements** (e.g., updated radiator designs, revised suspension mounts).

- **2019 models** introduced **optional LED lighting and minor interior upgrades**, which can be desirable.

---

### **Cons**

1. **Higher Maintenance Costs**

- **Oil changes every 500 700 hours** (or as recommended by Polaris) to prevent turbo failure.

- **Cooling system checks** (radiator, hoses, thermostat) are **critical** overheating is a common issue if the cooling system is neglected.

- **Turbo wastegate and intercooler maintenance** (cleaning or replacing) may be needed over time.

- **Suspension and drivetrain wear** can be higher due to aggressive off-road use.

2. **Potential for Overheating**

- The **turbocharged engine generates more heat**, and the stock cooling system can **struggle in extreme conditions** (e.g., hot climates, heavy loads, long rides).

- **Clogged radiators** (from dirt, algae, or coolant breakdown).

- **Failed water pumps or thermostats**.

- **Leaking hoses or coolant lines**.

- **Solution**: Upgrading to a **larger radiator, electric fan, or aftermarket cooling system** is often necessary for long-term reliability.

3. **Electrical and Electronics Issues**

- **2016 2017 models** had **some early electrical quirks** (e.g., sensor failures, wiring issues).

- **2018 2019 models improved** but still require **regular battery and charging system checks**.

- **Aftermarket modifications (especially ECU tuning) can void warranties** and may require **professional reprogramming**.

4. **Weight and Fuel Consumption**

- The **Turbo RZR is heavier than non-turbo models** ( 1,800 2,000 lbs depending on configuration), which can **reduce fuel efficiency**.

- ** 12 15 MPG on-road** (with stock setup).

- ** 8 12 MPG off-road** (depending on terrain and load).

- **Fuel tank capacity is 20 gallons**, but **high mileage can be expensive** for long trips.

5. **Common Wear Items**

- **Suspension components** (shocks, bushings, control arms) wear out **relatively quickly** on rough terrain.

- **Tires** (especially **off-road tires**) degrade fast and are **expensive to replace**.

- **Brakes** (drum or disc, depending on model) may need **resurfacing or replacement** after heavy use.

- **Clutch and transmission** (if manual) can be **high-maintenance** compared to automatic models.

6. **Turbo-Specific Risks**

- **Turbo lag** can be noticeable at low RPMs (though less of an issue than in older turbo engines).

- **Turbo failure** (due to oil starvation, overheating, or poor maintenance) can be **costly to repair** ( $1,500 $3,000 for a new turbo and labor).

- **Carbon buildup in intake valves** (common in turbo engines) may require **valve cleaning or replacement** over time.

7. **Resale Depreciation**

- While the **Turbo RZR holds value better than many UTVs**, it **does depreciate over time**.

- **Higher-mileage examples (50,000 miles) lose value faster**, especially if not well-maintained.

- **Aftermarket modifications can reduce resale value** unless they are **high-quality, factory-approved upgrades**.

8. **Noise and Vibration**

- The **turbocharged engine is louder than naturally aspirated models**, which may be **annoying for some riders**.

- **Vibration can be noticeable** at certain RPMs, though this is **less of an issue in newer models**.

9. **Parts and Labor Costs**

- **Polaris parts are expensive** compared to some competitors (e.g., Can-Am, Honda).

- **Labor costs** for repairs can be high, especially if you **don t have mechanical experience**.

- **Aftermarket parts** (while abundant) can vary in **quality and compatibility**.

10. **Legal and Insurance Considerations**

- Some **insurance companies charge higher premiums** for UTVs, especially **turbocharged models** due to higher power output.

- **Registration and licensing laws vary by state/country** some require **special permits or insurance for off-road use**.

- **Off-road riding may be restricted** in some areas, requiring **trail permits or private land access**.

---

### **Year-Specific Considerations**

**Year** **Key Pros** **Key Cons** **Best For**

---------- ------------- ------------- -------------

**2016** - Cheapest used price - Basic but reliable - Older electronics - Fewer

Details:

specifications cranshafengin:

• for models: Rzr, Turbo
• for makes: Polaris
• for years: 2016-2019
• part type: Engine Case
• ipn: 5633284
• oe/oem part number: 5633283

seller cranshafengin:

• rating: 100.0%
• city: Newcastle, California
• # reviews: 1485

general cranshafengin:

• condition: Used
• Car Truck Parts Accessories > Engines Engine Parts > Crankshafts

offer cranshafengin:

• options: Ship-to-home
• availability: In Stock
• started: February 24, 2026
• quantity: 1
• sold: 0

payments cranshafengin:

• wallet: Google-pay
• credit card: Mastercard
• other

shipping cranshafengin:

• cost: $0.00
• transit: 4-10 Days
• class: Standard
• type: Fixed
• service: Standard

returns cranshafengin:

• policy: Returns Accepted
• time: 14 Days
• paid by: Buyer

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