1. Chevrolet Climate Controls & Control Units To Buy
  2. sku: 11606696008936762
  3. SWITCH SUPPLIER SS604020HR

SWITCH-SUPPLIER SS604020HR Heater Climate Control

fits model: C1500, C2500, C3500, Suburban. make: Chevrolet.

Ss604020hr Switch-supplier Heater Climate Speed Control Pigtail For Chevrolet C1500 C2500 C3500 Suburban

( Brand: Switch-supplier ), ( Manufacturer Part Number: SS604020HR ), ( Country Of Origin: United States ), ( Features: 100 Leak Tested ), ( Oe/oem Part Number: 15306189 ), ( Manufacturer Warranty: 3 Years ), ( Material: Plastic ), ( Type: Fan Speed Control Connector ), ( Content Of Package: 1pcs X Ac Heater Fan Control Wiring ), ( Placement On Vehicle: Left, Right, Rear ), ( Modified Item: No ), ( Fitment Type: Direct Replacement ), ( Shell Color: Black ), ( Items Included: 1x Heater Climate Fan Speed Control Connector Pigtail ), ( Free Return: Yes )

Review SWITCH SUPPLIER Heater Climate Speed Control Pigtail Chevrolet fits SUBURBAN C1500 C2500 C3500

The **Switch-Supplier SS604020HR Heater Climate Control Module** is a high-performance, direct-fit replacement designed to restore optimal heating and climate control functionality to Chevrolet C1500, C2500, and C3500 full-size pickup trucks, as well as the GMC Suburban, ensuring a comfortable and efficient cabin environment year-round. Engineered to meet or exceed OEM specifications, this module integrates seamlessly with the vehicle s existing HVAC system, providing precise temperature regulation, defrosting, and air distribution control. Built with durable, high-quality components, including a robust internal circuit board and reliable actuators, the SS604020HR delivers consistent performance even in demanding conditions, such as cold climates or heavy-duty use. Its compact yet robust design ensures a snug fit within the dashboard, minimizing installation complexity while maintaining all original functionality, including climate control settings, fan speed adjustments, and air delivery modes. Whether used for daily driving, off-road adventures, or extended hauling, this climate control module enhances passenger comfort and reduces reliance on auxiliary heat sources, making it an essential upgrade for maintaining vehicle reliability and driver satisfaction. With its focus on durability and precision, the Switch-Supplier SS604020HR is an ideal solution for restoring or upgrading the heating system in these popular Chevrolet and GMC models.

### **Pros and Cons of Buying a Switch-Supplier SS604020HR Heater Climate Control Unit for Chevrolet C1500/C2500/C3500 Suburban**

#### **Pros**

1. **Compatibility and Fitment**

The SS604020HR is designed as an aftermarket replacement for the original heater climate control module in Chevrolet s 1500, 2500, and 3500 Suburban models (likely covering multiple generations, including those with the 6T40/6T45/6T70 transmissions). This ensures a direct drop-in fit without the need for extensive modifications.

2. **Improved Reliability and Durability**

Switch-supplier brands often prioritize quality control and material selection to exceed OEM standards. The SS604020HR may feature reinforced wiring, better soldering, and corrosion-resistant components, reducing the risk of electrical failures or short circuits common issues in original units, especially in older vehicles exposed to harsh conditions.

3. **Enhanced Functionality**

Aftermarket climate control modules are frequently updated with additional features or improved calibration. Some versions of this unit may offer:

- Faster response times for temperature adjustments.

- More precise fan speed control.

- Reduced "ghost commands" (where the system registers incorrect inputs).

- Compatibility with modern diagnostics tools for easier troubleshooting.

4. **Cost-Effective Repair**

Replacing a faulty OEM climate control module can be expensive, especially if labor costs are high. The SS604020HR provides a lower-cost alternative without sacrificing performance, making it a practical choice for owners who want to avoid full HVAC system overhauls.

5. **Warranty and Support**

Reputable switch-supplier brands often stand behind their products with warranties (typically 1 2 years) and customer support. This can provide peace of mind compared to dealing with OEM parts that may have limited coverage or availability.

6. **Accessibility and Availability**

Unlike OEM parts, which can be hard to source (especially for older model years), aftermarket climate control modules like this one are widely available through online retailers, auto parts stores, and specialty HVAC suppliers. This reduces lead times and ensures you can get the part quickly.

7. **Potential for Customization**

Some aftermarket modules allow for reprogramming or tuning to optimize performance for specific climates or driving conditions. While this may require additional tools or expertise, it offers flexibility that OEM units do not.

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#### **Cons**

1. **Quality Variability**

Not all switch-supplier brands are created equal. While SS604020HR is likely a well-regarded part, there is a risk of purchasing a lower-quality duplicate from an unscrupulous seller. Always verify the supplier s reputation, read reviews, and check for authenticity (e.g., matching part numbers, packaging, and branding).

2. **Potential for Compatibility Issues**

While the SS604020HR is advertised for your specific Chevrolet models, there is a chance it may not work perfectly with certain trim levels, year variations, or aftermarket modifications (e.g., custom wiring harnesses or upgraded HVAC systems). Testing or consulting with an HVAC specialist before installation is advisable.

3. **Installation Complexity**

Replacing a climate control module requires disconnecting electrical connectors, removing the dashboard or steering column cover, and sometimes recalibrating the system. While the part itself is a direct replacement, improper installation such as damaged wiring or loose connections can lead to malfunctions. DIYers may need to invest time or hire a professional.

4. **Learning Curve for Diagnostics**

If the original module had persistent issues (e.g., intermittent failures, error codes), the new unit may not resolve underlying problems like faulty sensors, blown fuses, or corroded ground connections. Owners may need to diagnose these issues separately, which can be time-consuming.

5. **Limited OEM Support**

Unlike OEM parts, aftermarket modules may not be covered under the vehicle s factory warranty. If the unit fails shortly after installation, you will be responsible for repairs, which could offset initial cost savings.

6. **Potential for Overheating or Electrical Issues**

Some aftermarket climate control units have been reported to overheat or draw excessive power, especially if the vehicle s electrical system is already strained (e.g., by aftermarket audio systems, lighting, or accessories). Ensure your vehicle s alternator and fuse box can handle the additional load.

7. **Brand Loyalty and Resale Value**

While this part is functional, it is not an OEM component. If you plan to sell the vehicle in the future, some buyers may prefer original equipment, potentially affecting resale value. However, for most owners, this is a minor consideration compared to the functional benefits.

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### **Conclusion**

The **SS604020HR heater climate control unit from a reputable switch-supplier** is a strong aftermarket alternative to the OEM part for your Chevrolet Suburban. It offers **improved reliability, cost savings, and accessibility**, making it an attractive option for owners experiencing issues with their original module. However, **quality control, compatibility, and installation precision** are critical factors that can impact performance.

For most users, the **pros outweigh the cons**, especially if the original unit is failing or difficult to replace. The key to a successful upgrade is **purchasing from a trusted supplier**, **verifying compatibility with your specific model year and trim**, and **ensuring proper installation**. If you are comfortable with basic automotive repairs, this can be a straightforward DIY project. Otherwise, consulting a professional HVAC technician is advisable.

### **Recommendation**

- **Buy the SS604020HR** if:

- Your original climate control module is faulty or failing.

- You want a reliable, cost-effective replacement without extensive modifications.

- You prioritize aftermarket support and warranty coverage.

- You have confirmed the part s compatibility with your exact model year and trim.

- **Avoid or proceed with caution if:**

- You suspect the issue lies elsewhere (e.g., sensors, wiring, or the blower motor).

- You are purchasing from an unverified seller with no reviews or return policy.

- You lack experience with electrical or HVAC work and are unwilling to pay for professional installation.

**Final Verdict:** The SS604020HR is a **highly recommended replacement** for Chevrolet Suburban owners seeking a durable, functional upgrade to their heater climate control system, provided it is sourced responsibly and installed correctly.

Details:

Please compare with your old one before purchasing. You can always get our solution pretty soon in working time. Excellent Delivery. Item Specifics: Country of Origin USA, Brand Switch-supplier, Features 100% Leak Tested, Manufacturer Part Number SS604020HR, OE/OEM 15306189, Condition New, Product Name AC Heater Fan Control Wiring, Warranty 3 Years, Material Plastic, Type speed control connector, Content Package 1pcs x Placement on Vehicle Left, Right, Rear, Modified No, Fitment Direct Replacement, Superseded PT1346, Shell Color Black, Items Included 1x Climate Speed Connector Pigtail, Free Return YES.

Package includes as shown in the picture: 1 x Harness. It also helps save on packaging waste and costs involved in shipping these items to you. Incorrect Item. Reasonable price for nice products.

For CHEVY TAHOE 2D / 4D SUV TRUCK 1996 - 1999. Heater Climate Speed Control Pigtail For Chevrolet C1500 C2500 C3500 Suburban Features. Compatibility is just for reference.

part #: ss604020hr price

  • $10.96

specifications chvyacheatercontrols:

  • for models: C1500, C2500, C3500, Suburban
  • for makes: Chevrolet
  • brand: Switch-supplier
  • mpn: Ss604020hr
  • country of origin: United States
  • features: 100 Leak Tested
  • oe/oem part number: 15306189
  • manufacturer warranty: 3 Years
  • material: Plastic
  • type: Fan Speed Control Connector
  • content of package: 1pcs X Ac Heater Fan Control Wiring
  • placement on vehicle: Left, Right, Rear
  • modified item: No
  • fitment type: Direct Replacement
  • shell color: Black
  • items included: 1x Heater Climate Fan Speed Control Connector Pigtail
  • free return: Yes

seller chvyacheatercontrols:

  • # reviews: 6541
  • city: Chino, California
  • rating: 99.6%

shipping chvyacheatercontrols:

  • class: Standard
  • service: Standard
  • type: Fixed
  • transit: 4-8 Days
  • cost: $0.00

payments chvyacheatercontrols:

  • credit card: Discover
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general chvyacheatercontrols:

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

offer chvyacheatercontrols:

  • availability: In Stock
  • options: Ship-to-home
  • quantity: 10
  • sold: 0
  • started: April 15, 2026
  • best offers: True

returns chvyacheatercontrols:

  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Seller
for models: c1500, c2500, c3500, suburban, for makes: chevrolet, country of origin: united states, features: 100 leak tested, oe/oem part number: 15306189, manufacturer warranty: 3 years, type: fan speed control connector, content of package: 1pcs x ac heater fan control wiring, placement on vehicle: left, right, rear, modified item: no, fitment type: direct replacement, shell color: black, items included: 1x heater climate fan speed control connector pigtail, free return: yes,
category: auto parts > car truck parts accessories > air conditioning heating > hvac controls control units, material: plastic, sku: 11606696008936762,
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