FOUR SEASONS 73156 Hvac Door Actuator 096361073289

( Brand: Four Seasons ), ( Manufacturer Part Number: 73156 ), ( Part Type: Hvac Actuator Door ), ( Product Type: A/c Heating ), ( UPC: 096361073289 ), ( California Prop 65 Warning: Cancer And Reproductive Harm. ), ( Fitment Type: Vehicle Specific ), ( Compatible Make S : Chevrolet, Oldsmobile, Buick, Isuzu, Gmc, Saab ), ( Compatible Model S : Trailblazer, Trailblazer Ext, Ssr, Bravada, Rainier, Ascender ), ( Fitnote: Will Not Fit Trailblazer Ext Models. ), ( Product Subtype: Heater Control Valves ), ( Product Details: Hvac Mode Door Actuator ), ( Department: Replacement )

Review FOUR SEASONS Chevy Hvac Mode Door Actuator fits TRAILBLAZER 2003–2009

The **Seasons 73156 HVAC Door Actuator** is a precision-engineered component designed specifically for Chevrolet Trailblazer models produced between 2003 and 2009, ensuring seamless functionality within the vehicle s climate control system. This high-quality actuator is crafted from durable, corrosion-resistant materials, including robust plastic and reinforced metal components, to withstand the rigors of daily use while maintaining smooth, reliable operation. Engineered to fit perfectly within the HVAC door linkage mechanism, it provides the precise movement required to adjust the air distribution settings from defrost to floor with minimal resistance and maximum efficiency. The actuator features a compact yet sturdy design, incorporating a reliable motor and gear assembly that delivers consistent, quiet performance, reducing the risk of rattling or binding that can occur with lower-quality alternatives. Whether addressing a malfunctioning defroster, inconsistent airflow, or a stuck temperature door, this actuator offers a direct, hassle-free solution that restores optimal climate control functionality. Built to meet or exceed OEM specifications, it ensures compatibility with the Trailblazer s HVAC system, providing long-lasting durability and ease of installation for both professional technicians and DIY enthusiasts. With its focus on precision and reliability, the Seasons 73156 actuator is an essential upgrade for restoring smooth operation to your vehicle s climate control system.

### Pros and Cons of buying a **Seasons 73156 HVAC Door Actuator for 2003 2009 Chevrolet Trailblazer**

1. **Compatibility** The Seasons 73156 is specifically designed for your model year and make, ensuring a direct fit without modification.

2. **Quality Materials** Reputable aftermarket brands like Seasons often use durable materials, reducing the likelihood of premature failure compared to cheaper alternatives.

3. **Easy Installation** Most HVAC door actuators are straightforward to replace, requiring only basic tools and minimal mechanical skill.

4. **Cost-Effective** Purchasing a new actuator is typically cheaper than labor-intensive repairs or replacing the entire HVAC system.

5. **Warranty Coverage** Many aftermarket parts come with warranties, providing peace of mind if the actuator fails shortly after installation.

6. **Improved Functionality** A faulty actuator can cause erratic door movement or complete failure; replacing it restores proper HVAC operation.

7. **Prevents Further Damage** A failing actuator may strain other components (e.g., wiring, switches), so replacing it early avoids secondary issues.

1. **Potential Counterfeit Concerns** Some third-party sellers may offer knockoffs that don t meet quality standards, leading to early failure or poor performance.

2. **Mismatched Specifications** While the part number suggests compatibility, slight variations in wiring, mounting, or motor strength could cause fitment issues.

3. **Limited Brand Recognition** Unlike OEM parts, aftermarket brands may lack long-term reliability data, though Seasons is generally trusted.

4. **Installation Challenges** If the actuator is difficult to access (e.g., behind panels or under the dash), installation may require extra time or disassembly.

5. **Price Variability** Prices can fluctuate based on seller, region, or demand, potentially leading to overpaying for a generic part.

6. **Recall or Defect Risks** Rarely, batches of aftermarket parts may have defects; checking reviews or seller ratings helps mitigate this risk.

The **Seasons 73156 HVAC door actuator** is a reasonable choice for your 2003 2009 Chevrolet Trailblazer, balancing affordability with reliability. Its direct compatibility and ease of installation make it a practical solution for restoring HVAC functionality. However, ensuring you purchase from a reputable seller (preferably with positive reviews) and verifying the part s authenticity before buying are critical steps to avoid counterfeit or subpar components.

- **Buy from a trusted source** (e.g., RockAuto, Amazon with verified seller ratings, or a local auto parts store with return policies).

- **Compare prices** across multiple sellers to confirm you re getting a fair deal.

- **Check installation reviews** to anticipate any potential challenges.

- **Consider OEM as an alternative** if budget allows, as it guarantees exact fitment and longevity, though at a higher cost.

For most users, the **Seasons 73156 is a solid aftermarket option** that strikes a balance between cost and performance, provided it is sourced responsibly. If the actuator fails again shortly after purchase, contact the seller for a replacement under warranty.

Details:

Being a dominant leader in highly efficient climate control products and superior remanufactured compressors, Four Seasons also provides wide array of replacement engine, transmission, steering electrical parts. HVAC Mode Door Actuator 73156 by Four Seasons. Style: HVAC Air Door Actuator. Terminal Pin Qty.

The finest quality at a great price. Four Seasons also makes tough and reliable automotive tools you can count on for to get your job done right. Backed by over 50 years of mobile A/C experience, fix it once and right with Four Seasons. Wire Quantity: N/A.

Features: Premium parts you can rely on. Designed to keep your A/C system in top shape. Mounting Ear Qty. Unmatched quality and exceptional dependability are hammered into every Four Seasons product.

Specifications: Door Linkage: Gear.

part #: 73156 prices

• $34.09-$67.08

specifications chvyacheatercontrols:

• for models: Trailblazer
• for makes: Chevy
• for years: 2003-2009
• brand: Four Seasons
• mpn: 73156
• part type: Hvac Actuator Door
• product type: A/c Heating
• upc: 096361073289
• california prop 65 warning: Cancer And Reproductive Harm.
• fitment type: Vehicle Specific
• compatible make s : Chevrolet, Oldsmobile, Buick, Isuzu, Gmc, Saab
• compatible model s : Trailblazer, Trailblazer Ext, Ssr, Bravada, Rainier, Ascender
• fitnote: Will Not Fit Trailblazer Ext Models.
• product subtype: Heater Control Valves
• product details: Hvac Mode Door Actuator
• department: Replacement

seller chvyacheatercontrols:

• city: Saint Paul, Minnesota
• # reviews: 13276
• rating: 95.7%

shipping chvyacheatercontrols:

• class: Standard
• cost: $19.08
• carrier: FedEx
• service: FedEx Ground / FedEx Home Delivery
• type: Calculated
• transit: 3-5 Days

general chvyacheatercontrols:

• condition: Used
• Car Truck Parts Accessories > Air Conditioning Heating > HVAC Controls Control Units

offer chvyacheatercontrols:

• started: June 5, 2026
• sold: 0
• options: Ship-to-home
• availability: In Stock
• quantity: 5

returns chvyacheatercontrols:

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

payments chvyacheatercontrols:

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

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