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Description
973-407 Front HVAC Fan Blower Motor Resistor973 407 Front HVAC Fan Blower Motor Resistor Key Features Direct fit replacement for the original equipment blower motor resistor. Restores the function of variable fan speeds for your vehicle's front HVAC system. Kit includes a new resistor and a wiring harness pigtail to repair melted or corroded connectors. Engineered to match the performance and fit of the original component. Package contains: 1 resistor, 1 wiring harness, and butt connectors for
973-407 Front HVAC Fan Blower Motor Resistor
Key Features
- Direct-fit replacement for the original equipment blower motor resistor.
- Restores the function of variable fan speeds for your vehicle's front HVAC system.
- Kit includes a new resistor and a wiring harness pigtail to repair melted or corroded connectors.
- Engineered to match the performance and fit of the original component.
- Package contains: 1 resistor, 1 wiring harness, and butt connectors for splicing.
Replaces / Cross-Reference Part Numbers
- Dorman: 973-407
- OE: 89018778
- OE: 89019351
- OE: 1581638
- OE: 93803636
Compatibility & Fitment
- Fits select Chevrolet and GMC truck and van models.
- Chevrolet Express 1500, 2500, 3500
- Chevrolet C4500, C5500, C6500, C7500 Kodiak
- GMC Savana 1500, 2500, 3500
- GMC C4500, C5500, C6500, C7500 Topkick
When to Replace
- HVAC fan only operates on the highest speed setting.
- Fan speed is uncontrollable or stuck on one speed.
- No air blows from the vents at any fan speed.
- Visible burn marks, corrosion, or melting on the original resistor or its electrical connector.
Installation Tips
- Disconnect the vehicle's battery before beginning installation.
- The resistor is typically located in the HVAC ductwork behind the glove box or on the passenger side of the lower dashboard.
- Inspect the original wiring connector for heat damage or corrosion; use the included pigtail harness for repair if needed.
- Ensure a secure connection when splicing the new harness to prevent overheating and future failure.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
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Product Reviews
★★★★★ 5
Great Shoes
Size: 10, Color: Cognac
Love these shoes super comfortable and look great. Everyone asks me where I got them.
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Reviewed in the United States on May 20, 2026
★★★★★ 5
Beautiful shoe but too narrow
Size: 10 Wide, Color: Navy Grainy Leather
Too narrow
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Reviewed in the United States on May 24, 2026
★★★★★ 5
Looks good feels good
Size: 13 Wide, Color: Black
I've had them 2 weeks and love them. Took a little breaking in but they feel great now.
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Reviewed in the United States on April 8, 2026
★★★★★ 4
Very narrow
Size: 10 Wide, Color: Cognac
Run narrow. For very narrow feet. Wide width fits like a regular width.
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Reviewed in the United States on February 9, 2026
★★★★★ 5
Comfortable Shoes Right Out of the Box
Size: 9, Color: Black
I bought these shoes for my husband. He has a very hard time finding quality, comfortable shoes. These shoes are just as comfortable as his New Balance. He uses them as a dress shoe and wears them at least once a week. There was no break in period necessary. They were comfortable right out of the box! The only thing we didn't like was the white sole color. Once I knew he was going to keep them, I used a black sharpie marker to color the soles black. Instant amazing, comfortable dress shoes. They were well worth the cost. If you or your SO needs a comfortable pair of shoes, we highly recommend them.
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Reviewed in the United States on September 2, 2025
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