The Vintage Air 521173 is a Gen IV SureFit modified A/C hose kit for 1981-1987 GM Pickup applications, built with pre-crimped beadlock fittings on one end and an open end for a custom-crimped installation. It pairs with a complete Gen IV or Gen 5 SureFit system in trucks without the stock engine compartment configuration and core support.
Installation Instructions (PDF)
WARNING: California Proposition 65
Specifications:
- Type: Air Conditioning Hose Kit — Gen IV SureFit, Modified
- Fittings: Beadlock O-ring fittings, hoses, O-rings included
- Application note: For vehicles without a stock engine compartment configuration and core support; use Standard Hose Kit #521172 if the stock configuration is retained
- Fitment: 1981-87 Chevrolet Pickup, Chevrolet Blazer, Chevrolet Suburban, GMC Pickup
Vehicle Applications:
- 1981 Chevrolet Pickup / Blazer / Suburban, GMC Pickup
- 1982 Chevrolet Pickup / Blazer / Suburban, GMC Pickup
- 1983 Chevrolet Pickup / Blazer / Suburban, GMC Pickup
- 1984 Chevrolet Pickup / Blazer / Suburban, GMC Pickup
- 1985 Chevrolet Pickup / Blazer / Suburban, GMC Pickup
- 1986 Chevrolet Pickup / Blazer / Suburban, GMC Pickup
- 1987 Chevrolet Pickup / Blazer / Suburban, GMC Pickup
FAQ
What vehicles does the Vintage Air 521173 hose kit fit?
It fits 1981-1987 Chevrolet Pickup, Chevrolet Blazer, Chevrolet Suburban, and GMC Pickup models, with or without factory air conditioning.
Is this a modified or standard hose kit?
This is a modified hose kit with beadlock fittings pre-crimped on one end and the other end open for custom crimping — intended for vehicles without the stock engine compartment configuration and core support.
What should I use if my truck still has the stock engine compartment/core support?
Vintage Air recommends the Standard Hose Kit #521172 for vehicles retaining their stock engine compartment configuration and core support.
What's included in the kit?
The kit includes refrigerant hoses with pre-crimped beadlock fittings, all necessary O-rings and mounting hardware, plus detailed installation and crimping instructions.
Does it work with a Gen IV or Gen 5 SureFit system?
Yes, this modified hose kit is designed for use with a complete Gen IV or Gen 5 SureFit system.
