The Cold Case MOJ991A is a direct-fit aluminum performance radiator for the 1987-2006 Jeep Wrangler, covering the YJ, TJ, and LJ Unlimited generations. It uses an oversize 2-row core with two 1 inch tubes and 16 corrugated fins per inch, built with 100 percent TIG-welded all-aluminum construction and polished OE-style tanks. The passenger-side inlet and driver-side outlet match the factory hose routing.
- Type: aluminum performance radiator
- Core: oversize 2-row, two 1 in tubes, 16 corrugated fins per inch
- Construction: 100 percent TIG-welded aluminum, polished OE-style tanks
- Overall size: 25.8 in W x 23 in H x 3 in D (core 20 x 18 in)
- Inlet/outlet: passenger-side inlet, driver-side outlet
- Hoses: 1.25 in upper, 1.5 in lower
- Transmission cooler: 3/8 in inverted flare fitting
- Part number: MOJ991A
Vehicle Applications
Direct fit on the following:
- 1987 Jeep Wrangler YJ
- 1988 Jeep Wrangler YJ
- 1989 Jeep Wrangler YJ
- 1990 Jeep Wrangler YJ
- 1991 Jeep Wrangler YJ
- 1992 Jeep Wrangler YJ
- 1993 Jeep Wrangler YJ
- 1994 Jeep Wrangler YJ
- 1995 Jeep Wrangler YJ
- 1997 Jeep Wrangler TJ
- 1998 Jeep Wrangler TJ
- 1999 Jeep Wrangler TJ
- 2000 Jeep Wrangler TJ
- 2001 Jeep Wrangler TJ
- 2002 Jeep Wrangler TJ
- 2003 Jeep Wrangler TJ
- 2004 Jeep Wrangler TJ
- 2005 Jeep Wrangler TJ
- 2006 Jeep Wrangler TJ
- 2004 Jeep Wrangler Unlimited LJ
- 2005 Jeep Wrangler Unlimited LJ
- 2006 Jeep Wrangler Unlimited LJ
FAQ
What vehicles does the Cold Case MOJ991A fit?
It is a direct fit for the 1987-2006 Jeep Wrangler, including the YJ (1987-1995), TJ (1997-2006), and LJ Unlimited (2004-2006).
How many rows is the core?
An oversize 2-row core with two 1 inch tubes and 16 corrugated fins per inch.
Which side are the inlet and outlet on?
Passenger-side inlet and driver-side outlet, matching the factory routing.
Does it include a transmission cooler?
Yes, with a 3/8 inch inverted flare fitting.

