POLARIS 1204552 Throttle Body

( Manufacturer Part Number: 1204552 ), ( Type: Throttle Body )

Review POLARIS Throttle Body Oem Stock fits RZR 900 2012

The **Polaris 1204552 2012 RZR 900 Throttle Body** is a precision-engineered component designed specifically for the iconic 2012 Polaris RZR 900, a high-performance side-by-side utility vehicle renowned for its off-road prowess and adaptability. This throttle body serves as the critical interface between the engine s air intake system and the fuel injection process, playing a pivotal role in optimizing throttle response, fuel efficiency, and overall engine performance. Crafted from high-grade materials, including durable aluminum and reinforced seals, this throttle body is built to withstand the demanding conditions of heavy-duty use, whether navigating rough terrain, towing heavy loads, or enduring prolonged off-road excursions. Its sleek, aerodynamic design ensures minimal air resistance, allowing for smoother airflow and enhanced engine breathing, which is essential for maintaining peak power output and responsiveness. The throttle body features a precision-machined throttle plate and a robust actuator mechanism, which work in tandem to deliver precise control over engine speed and acceleration. This component is compatible with the 2012 RZR 900 s fuel-injected engine, ensuring seamless integration with the vehicle s electronic control module (ECM) for optimal performance tuning. Whether you're restoring a classic RZR 900 or upgrading an existing unit, this throttle body offers a reliable, high-performance solution that helps preserve the integrity of your vehicle s drivetrain while enhancing its operational efficiency. Its compatibility with genuine Polaris parts ensures that it meets the exact specifications required for a perfect fit, reducing the risk of compatibility issues and ensuring long-term durability. For enthusiasts and professionals alike, this throttle body represents a vital upgrade or replacement option that underscores the RZR 900 s reputation for rugged reliability and cutting-edge engineering.

### **Pros and Cons of Buying a 2012 Polaris RZR 900 Throttle Body (Part Number 1204552)**

1. **Performance Improvement** The throttle body is a critical component in air intake, and replacing a worn or clogged one can restore lost power, improve throttle response, and enhance overall engine efficiency. This part is often a common failure point in older RZR models, so upgrading it can make the vehicle feel more responsive.

2. **Prevents Further Damage** A failing throttle body can lead to carbon buildup, poor fuel mixture, or even engine stalling. Replacing it proactively can avoid more costly repairs down the line, such as fuel system issues or engine damage from rich or lean conditions.

3. **Compatibility with Modifications** If you ve already modified your RZR (e.g., upgraded air filter, exhaust, or tuned the ECU), a fresh throttle body ensures proper airflow and prevents restrictions that could negate those gains.

4. **Easier Installation** Unlike some high-performance aftermarket throttle bodies, this is a direct OEM replacement, meaning it should fit without major modifications. Installation typically requires basic tools and can be done in a few hours.

5. **Cost-Effective Upgrade** Compared to full engine rebuilds or major performance mods, this part is relatively inexpensive, offering a high return on investment in terms of drivability and reliability.

6. **Improved Fuel Economy (Indirectly)** A clean throttle body allows for better air-fuel balance, which can slightly improve fuel efficiency, especially if the original was restricting airflow.

7. **Prevents Driveability Issues** Stalling, rough idling, or hesitation can be symptoms of a failing throttle body. Replacing it often resolves these problems, making the RZR more reliable for daily use or trail riding.

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1. **Wear and Tear Over Time** Even after replacement, throttle bodies can degrade again, especially if the vehicle is used aggressively or in dusty/gritty conditions. This part may need attention every few years, depending on usage.

2. **Potential for Counterfeit Parts** If purchasing from an untrusted seller, there s a risk of receiving a low-quality or fake throttle body. Always buy from reputable dealers or verified online marketplaces to avoid this.

3. **Installation Challenges** While straightforward, improper installation (e.g., not sealing properly or misaligning components) can lead to leaks or performance issues. Some buyers may need to consult a mechanic if they re unfamiliar with throttle body replacement.

4. **Limited Longevity with Heavy Use** If the RZR is used frequently in extreme conditions (e.g., mud, sand, or off-road abuse), the throttle body may wear out faster than expected. Additional maintenance (e.g., cleaning the intake system) may be required.

5. **No Major Power Gains (Compared to Full Tuning)** While this part will improve throttle response and reliability, it won t provide the same horsepower boost as a full engine tune, turbo upgrade, or exhaust system modification. Expect noticeable but modest improvements.

6. **Depreciation Factor** If you re buying a used RZR, the throttle body may already be worn out, and replacing it won t restore the full value of the vehicle. Consider whether the cost of the part justifies the overall condition of the bike.

7. **Potential for Other Hidden Issues** If the RZR has other aging components (e.g., worn spark plugs, clogged fuel injectors, or a failing ECU), replacing just the throttle body won t fully resolve performance problems. A full diagnostic may be needed.

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The **2012 Polaris RZR 900 throttle body (1204552)** is a **highly recommended upgrade** for owners experiencing throttle response issues, rough idling, or reduced power. It s a **cost-effective, relatively easy fix** that can restore the RZR s intended performance and prevent more serious engine problems. The benefits improved drivability, better fuel efficiency, and avoidance of further damage outweigh the minor drawbacks, especially for active riders.

However, if you re buying a **used RZR**, ensure the rest of the vehicle is in decent condition, as this part alone won t fix all issues. For **new RZR owners**, this is a **proactive maintenance step** that should be done as part of regular upkeep.

- **Buy from a trusted source** (Polaris dealer, reputable aftermarket supplier, or verified online seller) to avoid counterfeit parts.

- **Install it yourself if comfortable** with basic mechanical work, or have a mechanic do it if unsure.

- **Combine this with other maintenance** (e.g., air filter replacement, fuel system cleaning) for optimal results.

- **Monitor performance post-installation** if issues persist, check for other potential problems (e.g., ECU calibration, fuel injectors).

**Final Verdict:** **Worth the investment** for any RZR owner looking to restore power, reliability, and throttle smoothness. If budget allows, consider pairing it with a **performance air filter or ECU tune** for even better results.

Details:

Shipping: Shipping is on page to the USA. FITS 11-14 RZR 9 Fit: This part will fit 2011 - 2014 POLARIS 900. UP FOR SALE IS: THROTTLE BODY OEM STOCK OUT OF A 2012 900 RZR, READY TO GO, GREAT CONDITION, VERY NICE AND CLEAN.

part #: 1204552 prices

• $42.49-$229.99

specifications carbthrotatv:

• for models: Rzr, 900
• for makes: Polaris
• for years: 2012
• mpn: 1204552
• type: Throttle Body

returns carbthrotatv:

• policy: Returns Accepted
• paid by: Buyer
• time: 30 Days

payments carbthrotatv:

• credit card: Visa
• other
• wallet: Apple-pay

seller carbthrotatv:

• city: Dover, Tennessee
• # reviews: 43675
• rating: 98.0%

offer carbthrotatv:

• sold: 0
• availability: In Stock
• options: Ship-to-home
• quantity: 1
• started: February 3, 2026

shipping carbthrotatv:

• type: Fixed
• class: Expedited
• transit: 3-8 Days
• service: Expedited
• cost: $12.34

general carbthrotatv:

• ATV, Side-by-Side UTV Parts Accessories > Air Intake Fuel Delivery > Carburetors
• condition: Used

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