DORMAN OE SOLUTIONS SX-1115 Rear Hvac Control Module

( Brand: Dorman Oe Solutions ), ( Manufacturer Part Number: SX-1115 ), ( Manufacturer Warranty: 1 Year / 2 Years / 3 Years / 5 Years Depending On Part ), ( Ipn: C249 71-65 ), ( Item Height: 3.750 ), ( Item Length: 11.250 ), ( Item Weight: 1.2000 ), ( Item Width: 6.250 ), ( Placement On Vehicle: Hvac Control Modules ), ( Compatible Model: Silverado 1500 Hd ), ( Compatible Year: 2006 2005 2004 2003 ), ( Core Charge: Free No Core Charge ), ( Position: Rear ), ( Type: Hvac Control Module ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Dorman Hvac Control Module )

Review DORMAN OE SOLUTIONS Rear Hvac Control Module Chevrolet Hd fits SILVERADO 1500 JH 2003–2006

The **Dorman SX-1115 Rear HVAC Control Module** is a high-quality, direct-fit replacement designed specifically for the **2003 2006 Chevrolet Silverado 1500 (JH series)**, ensuring seamless integration with your vehicle s climate control system. Engineered to meet or exceed OEM standards, this module is built with durable, long-lasting components that provide reliable performance for years of use. The SX-1115 features a robust housing and precision-wired circuitry, guaranteeing smooth operation of your rear HVAC controls, including temperature adjustment, fan speed selection, and air distribution settings. Whether you re upgrading an existing system or replacing a faulty module, this aftermarket part delivers the same level of functionality as the original equipment, with enhanced durability to withstand daily wear and environmental factors. Ideal for both professional installers and DIY enthusiasts, the Dorman module is backed by a reputation for quality, ensuring compatibility with your Silverado s wiring harness and control interfaces. With its straightforward installation and dependable performance, this component is an essential upgrade for maintaining optimal comfort and climate control in the rear cabin of your truck.

### Pros and Cons of buying a Dorman SX-1115 Rear HVAC Control Module for a 2003-2006 Chevrolet Silverado 1500 (JH)

1. **Direct Fitment and Compatibility** The Dorman SX-1115 is specifically designed for the 2003-2006 Chevrolet Silverado 1500 (JH trim), ensuring it will physically and electrically match your vehicle without modifications. This reduces the risk of installation issues.

2. **Reliability and Quality** Dorman is a well-known brand under the Carter brand group, which is trusted for aftermarket automotive parts. Their components are generally built to last, with robust construction that can withstand regular use.

3. **Easy Installation** Since it is a direct replacement, the module should plug into the existing harness with minimal effort. No wiring or additional tools are typically required beyond basic hand tools.

4. **Cost-Effective Solution** Replacing a faulty rear HVAC control module is often cheaper than repairing or replacing the entire HVAC system. The Dorman part is priced affordably compared to OEM replacements or full system overhauls.

5. **Prevents Further Damage** A failing control module can cause intermittent issues with the rear HVAC system, such as erratic temperature control or complete failure. Replacing it early can prevent more extensive (and costly) damage to related components like blower motors or sensors.

6. **Warranty Coverage** Dorman parts often come with a warranty (typically 1-2 years), providing peace of mind in case the module fails prematurely.

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1. **Potential Quality Variations** While Dorman is generally reliable, there is a chance of receiving a defective unit, especially if purchased from a third-party seller. Always buy from a reputable dealer or authorized distributor to minimize this risk.

2. **Limited Longevity Compared to OEM** While Dorman parts are durable, they may not last as long as an original equipment module, particularly if the vehicle is driven frequently in extreme conditions (e.g., extreme heat, cold, or heavy use).

3. **No Additional Features** The Dorman module is a basic replacement and may not include any upgraded features (such as improved diagnostics or enhanced durability) that some aftermarket alternatives might offer.

4. **Possible Compatibility Issues with Modifications** If your Silverado has aftermarket modifications (e.g., upgraded HVAC systems, custom wiring, or electronics), the Dorman module might not fully integrate with those changes. Always verify compatibility before purchasing.

5. **DIY Installation Risk** While the installation is straightforward, improper handling (e.g., damaging connectors or misrouting wires) could lead to further electrical issues. If unsure, consulting a professional mechanic is advisable.

6. **Availability of Counterfeit Parts** Purchasing from untrusted sources (e.g., eBay, random online marketplaces) increases the risk of receiving a counterfeit or low-quality knockoff. Always check seller ratings and return policies.

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The Dorman SX-1115 Rear HVAC Control Module is a **strong, cost-effective choice** for replacing a faulty module in your 2003-2006 Chevrolet Silverado 1500 (JH trim). It offers direct fitment, reliability, and ease of installation, making it ideal for most DIYers or mechanics. However, its longevity may not match OEM parts, and purchasing from untrusted sources could lead to subpar quality.

If your primary concern is **reliability and simplicity**, the Dorman module is a safe bet. If you want **extended warranty coverage or premium features**, consider checking for OEM or higher-end aftermarket alternatives (e.g., Delphi or Mopar). Always verify the seller s reputation and return policy before purchasing.

- **Buy from a trusted source** (e.g., RockAuto, AutoZone, or a local auto parts store with a good return policy) to ensure authenticity and quality.

- **Test the module before finalizing the purchase** if possible (some retailers offer inspection or return options).

- **Follow installation instructions carefully** to avoid damaging connectors or wiring.

- **Monitor the module s performance** after installation. If issues persist, consult a mechanic to rule out other HVAC system problems.

For most users, the Dorman SX-1115 is a **practical and reliable upgrade** that restores functionality to your rear HVAC system without unnecessary complexity.

Details:

Dorman Rear HVAC Control Module for 2003 - 2006 Chevrolet Silverado 1500 HD Jh: Status: In Stock.

part #: sx1115 prices

• $17.98-$29.48

specifications chvyacheatercontrols:

• for models: 1500, Jh, Silverado
• for makes: Chevrolet
• for years: 2003-2006
• brand: Dorman Oe Solutions
• mpn: Sx-1115
• manufacturer warranty: 1 Year / 2 Years / 3 Years / 5 Years Depending On Part
• ipn: C249 71-65
• item height: 3.750
• item length: 11.250
• item weight: 1.2000
• item width: 6.250
• placement on vehicle: Hvac Control Modules
• compatible model: Silverado 1500 Hd
• compatible year: 2006 2005 2004 2003
• core charge: Free No Core Charge
• position: Rear
• type: Hvac Control Module
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine Dorman Hvac Control Module

offer chvyacheatercontrols:

• availability: In Stock
• quantity: 1
• sold: 0
• options: Ship-to-home
• started: April 13, 2026

general chvyacheatercontrols:

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

payments chvyacheatercontrols:

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

seller chvyacheatercontrols:

• # reviews: 644236
• rating: 99.6%
• city: Indianapolis, Indiana

shipping chvyacheatercontrols:

• cost: $0.00
• class: Standard, Expedited
• transit: 2-4 Days
• type: Fixed
• service: Standard, Expedited

returns chvyacheatercontrols:

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

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