Uploaded January 2019 | Updated September 2026, 3 days ago
If you’ve ever swapped an LS engine into a buggy, crawler, race car, or custom chassis, you already know the factory thermostat housing becomes a problem almost immediately.
The stock cast water neck:
•points the wrong direction
•interferes with chassis tubing
•creates ugly hose routing
•forces awkward radiator connections
•usually turns into a mess of rubber hoses and silicone couplers
And no matter how many times you rotate or reposition things, it never quite looks right.That’s exactly why Wide Open Design created the -20 AN & -16 AN LS Thermostat Housing Adaptor. This simple billet adapter replaces the bulky factory LS water neck with a clean AN-style solution that dramatically improves:
•hose routing
•cooling system appearance
•radiator plumbing
•serviceability
•overall engine bay packaging
And unlike many aftermarket solutions, it still retains proper thermostat function exactly how GM intended.
Explore Wide Open Design's LS Thermostat Housings:
-16 LS Thermostat Housing - wideopendesign.com/collections/cooling-system/products/16-ls-thermostat-housing
-20 LS Thermostat Housing - wideopendesign.com/collections/cooling-system/products/20-ls-thermostat-housing
Follow us on Social Media:
Instagram: instagram.com/WideOpenDesign
Facebook: facebook.com/WideOpenDesign
Located in Murfreesboro, TN, Wide Open Design is a constant trend setter in the off road industry. We build vehicles that are unique, reliable, and full of attitude.
If you’ve ever swapped an LS engine into a buggy, crawler, race car, or custom chassis, you already know the factory thermostat housing becomes a problem almost immediately.
The stock cast water neck:
•points the wrong direction
•interferes with chassis tubing
•creates ugly hose routing
•forces awkward radiator connections
•usually turns into a mess of rubber hoses and silicone couplers
And no matter how many times you rotate or reposition things, it never quite looks right.That’s exactly why Wide Open Design created the -20 AN & -16 AN LS Thermostat Housing Adaptor. This simple billet adapter replaces the bulky factory LS water neck with a clean AN-style solution that dramatically improves:
•hose routing
•cooling system appearance
•radiator plumbing
•serviceability
•overall engine bay packaging
And unlike many aftermarket solutions, it still retains proper thermostat function exactly how GM intended.
Explore Wide Open Design's LS Thermostat Housings:
-16 LS Thermostat Housing - wideopendesign.com/collections/cooling-system/products/16-ls-thermostat-housing
-20 LS Thermostat Housing - wideopendesign.com/collections/cooling-system/products/20-ls-thermostat-housing
Follow us on Social Media:
Instagram: instagram.com/WideOpenDesign
Facebook: facebook.com/WideOpenDesign
Located in Murfreesboro, TN, Wide Open Design is a constant trend setter in the off road industry. We build vehicles that are unique, reliable, and full of attitude.
