Chevrolet Corvette C3 C4 HVAC blower Spacer Adapter 1968-1982
🔧 Upgrade Your Classic Ride – HVAC Blower Spacer for C3 Corvette (1968–1982) 🔧
Enhance your C3 Corvette’s heating and cooling performance with this precision-crafted HVAC blower motor spacer. Designed specifically for 1968–1982 models, this high-quality spacer ensures better airflow, a secure fit, and seamless compatibility with your vehicle’s original configuration.
Can be used as an adapter for adding a C4 blower to your C3: https://www.youtube.com/watch?v=WWI_H9KR0tc
Hardware Included:
1” spacer > 5x 1 3/4” screws (#8)
0.875” spacer > 5x 1 1/2” screws (#8)
0.75” spacer > 5x 1 1/4” screws (#8)
C4 blower motor dimensions vary by manufacturer and production batch. Because of this, I cannot recommend one exact spacer thickness for every installation.
To choose the correct spacer, measure the height/depth difference between your original C3 blower setup and the C4 blower you plan to install. Select the spacer thickness that best makes up that difference so the fan sits correctly in the HVAC box.
Some C4 blowers may require a .75” spacer, while others may require a .875” spacer or a different size depending on the exact blower used. Buyer is responsible for measuring their own blower before ordering
📦 Product Features:
✅ Precision Fit – Engineered exclusively for C3 Corvettes (1968–1982) for a perfect OEM-style installation.
✅ Enhanced Airflow – Improves heating and cooling system efficiency for increased in-cabin comfort.
✅ Seamless Integration – No modifications needed; fits right into the factory layout.
✅ Built for Enthusiasts – Maintain your classic Corvette’s originality while upgrading performance.
✅ Durable Construction – Made from high-quality materials to withstand heat, vibration, and long-term use.
🛠 Fits: Chevrolet Corvette C3 – Model Years 1968 through 1982
⚙️ Note From the Maker!
This part is 3D-printed, not OEM — so it may not look factory-perfect 👀… but it works like a charm 🔥💯
You might see some layer lines or texture – that’s just 3D-printing character 😎
🧠 About the Design:
This product was designed from scratch with original enhancements and utility-driven improvements, based on real-world needs and maker community inspiration.
Any resemblance to other products is coincidental or reflects common goals shared among designers solving the same storage challenges. Full respect to the 3D printing community for fueling great ideas.
🚫 Disclaimer:
We are an independent business and not affiliated with or endorsed by Chevrolet or GMC or any automaker. Trademarks, brand names, or OEM references are used strictly for compatibility and fitment clarity. Our products are uniquely developed and produced by us.
⚠️ Disclaimer: Etsy's fitment guide may not always be accurate. It is the buyer’s responsibility to confirm compatibility with their specific vehicle before purchasing. Buyer-requested returns are subject to denial.