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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
4.1 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 5
Pretty Bows
Color: Bow-October-Tourmaline
Very pretty earrings. They are the perfect size. I have not had a chance to wear them yet but I can't wait to wear them. Very well made sturdy earrings.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 30, 2025
★★★★★ 5
Quality and spot of fit!
Size: 38DDD, Color: Nude, Size: 38DDD, Color: Nude
TRUE TO SIZE fits beautifully. I struggle with a good fit so this product has won ne over. Love the thick band as I need more coverage and support. Stunning. Have not washed yet.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
★★★★★ 5
Comfort
Size: 36DD, Color: Nude
Comfortable
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
★★★★★ 4
Pretty, comfortable bra; small issue with cup structure
Size: 44D, Color: Black, Size: 44D, Color: Black
This is the first underwire bra I’ve worn in about six years - I’ve been wearing sport bras, so I wasn’t sure I’d like it.
This bra is pad free, lightweight, and made of very pretty lace. When I put it on, the underwire was not uncomfortable, and the bra itself fit relatively well. I was surprised that the band in the back was also comfortable, not digging into my skin. The bra is well-made with one exception. I think the top of the cup requires more structure. I feel that it’s a little too loose and the contents will fall out if I was to lean over too far or if I were to run or do anything slightly athletic.
I like the bra - it’s comfortable and pretty but it has that one issue with the cup structure. I’ve decided that this would not be a good bra to wear all day, but because it is so pretty, I would wear it with evening wear only.
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Reviewed in the United States on May 15, 2026
★★★★★ 3
Seam shows right in the center of your brea$t!
Size: 38C, Color: Dark Pink
Had to return even though I loved the fit and feel of the bra. The seam that goes across the middle and your nippies shows through on every type of shirt I wear. And one side has a little extra room which made it ripple vertically I guess because the material/lace is so thin. Real bummer. Would be nice if B cup was available. C was just a little large.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
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