Rear AC Block-Off Kit – Suburban, Escalade & GMC Yukon 2014–2019

Rear A/C Block-Off Kit for Chevy Suburban 2015–2019, Cadillac Escalade 2014–2019 & GMC Yukon 2014–2019

Say goodbye to expensive rear air conditioning repairs. The Shunmaii Rear A/C Block-Off Kit is a precision-machined aluminum alloy solution that lets you safely disconnect and seal off the rear AC lines — keeping your front AC running perfectly while eliminating the cost and hassle of rear evaporator or line replacements.

Made in Mainland China.

Why Choose This Rear AC Block-Off Kit?

• Easy Installation: Disconnect rear pipes and install all components directly in the engine compartment — no special tools needed. Accessible for all skill levels, though professional installation is recommended.
• Cost-Effective Fix: Avoid the high cost of replacing rear AC lines or evaporators. This kit seals the system cleanly and affordably.
• Front AC Stays Fully Operational: Designed to deactivate only the rear AC while maintaining full front air conditioning performance — drivers and front passengers stay comfortable.
• Enhanced Cooling Efficiency: By redirecting full refrigerant capacity to the front system, you'll enjoy stronger, colder airflow — especially beneficial in smaller cabin configurations.
• Quality Components Included: Features high-quality machined fittings and sealing gaskets for both low- and high-pressure lines, plus dual bolts, spacers, and extra screws.
• Durable Aluminum Alloy Construction: Built from sturdy aluminum alloy for long-lasting performance and a secure, leak-free seal.

Vehicle Compatibility

• Chevrolet Suburban: 2015–2019
• Cadillac Escalade: 2014–2019
• GMC Yukon / Yukon Denali: 2014–2019
• Chevrolet Tahoe: 2014–2019

⚠ Please verify your vehicle's year and model before purchasing.

Specifications

• Material: Aluminum Alloy
• Dimensions: 130 × 110 × 30 mm (5.12 × 4.33 × 1.18 in)
• Origin: Made in Mainland China
• Brand: Shunmaii

What's in the Box?

• 1 × Rear A/C Block-Off Kit (includes spacers, necessary screws, extra screws, and sealing gaskets for both high- and low-pressure lines)

Note: Installation instructions are not included. Professional installation by a skilled technician is advised.

Related Products You May Like

• 100-Pack Disposable Nitrile Gloves – Latex-Free, White, Oil-Proof — great for clean, grease-free installs
• 120ml Heavy-Duty Metal Rust Remover & Anti-Rust Spray — protect metal fittings and keep your engine bay corrosion-free

Helpful Resource

For general automotive AC system safety and refrigerant handling guidelines, visit the U.S. EPA Section 608 Technician Certification page.

Note: Due to different monitor settings and lighting conditions, the actual color of the item may vary slightly from the pictures. Please allow a 1–2 cm difference in measurements due to manual measuring.

Frequently Asked Questions

Q: Is this rear AC block-off kit compatible with the 2016 Chevy Suburban?

A: Yes! This kit is specifically designed for the Chevrolet Suburban model years 2015–2019, which includes the 2016 model. It is also compatible with the Cadillac Escalade (2014–2019), GMC Yukon/Yukon Denali (2014–2019), and Chevrolet Tahoe (2014–2019). Always confirm your exact year and trim before ordering.

Q: Will blocking the rear AC affect the front air conditioning system?

A: No — that's one of the key benefits of this kit. The rear AC block-off kit is engineered to fully seal the rear AC lines while allowing your front air conditioning system to operate at 100% capacity, often with improved cooling efficiency since the full refrigerant flow is directed to the front.

Q: Do I need special tools or professional help to install this kit?

A: The kit is designed for straightforward installation in the engine compartment and can be managed by any skilled technician. However, installation instructions are not included, so basic mechanical knowledge or professional installation is recommended to ensure a proper, leak-free seal.

Q: What materials is this AC block-off kit made from?

A: The kit is constructed from durable aluminum alloy, providing excellent corrosion resistance and a secure, long-lasting seal for both the high- and low-pressure AC lines.