Voice or type your vehicle details and Wrenchy will confirm fitment in seconds.
| Attribute | Value |
|---|---|
| Bypass Flange Diameter | 1.62 |
| Flange Height | 2.158 |
| Flange Thickness | .08 |
| Gasket Quantity | 0 |
| Height Between Flanges | 1.25 |
| Installation Tool Included | No |
| Jiggle Pin Check Valve Quantity | 0 |
| Jiggle Pin Weep Hole | No |
| Material | Steel, Copper |
| Seal Quantity | 2 |
| Seal Type | O-ring |
| Sealing Flange Outside Diameter | 2.873 |
| Start To Open Temperature | 180, 82 |
| Type | Heavy-duty Thermostat |
| Valve Outside Diameter | 2.25 |
This part fits the following vehicles:
This is a universal part that fits 2,243 vehicle configurations across 20 makes.
We offer fast, reliable shipping on all orders:
This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.
Warranty does NOT cover:
We want you to be 100% satisfied with your purchase. That's why we offer:
| Brand | Part Number |
|---|---|
| Carquest | 30318 |
| Carquest Premium Caps and Stats | 14908 |
| Cummins | 3940632 |
| Cummins | 3968559 |
| Cummins | 4930594 |
| Cummins | 5274887 |
| Cummins | 5284903 |
| Cummins | 5337942 |
| Cummins | 5478594 |
| Motorad | 4052-80 |
| NAPA Belts/Hose | 33959 |
Fits Years: 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2019 2021
In operation since 2007. Trusted by over a million DIYers, mechanics, and body shops across all 50 states.
If it doesn't fit, we make it right. No gimmicks, no fine print.
Most retailers stop at 30 days. We give you a full four months to install, test, and return for a 100% refund — return shipping on us.
Brand-new aftermarket parts from trusted suppliers — built to original-equipment specifications so they fit and function like the factory unit, at a fraction of the price.
