Description
The Mishimoto MMOCA-GTO is a purpose-built LS1/LS2 front-sump oil cooler adapter designed to be the starting point for your own custom oil cooler setup rather than a fixed, one-size solution. CNC-machined from 6061 aluminum for precise fitment and durability, it gives LS1/LS2 owners a solid, adaptable foundation instead of a generic bolt-on afterthought.
As a core piece of any serious Cooling upgrade, this Mishimoto oil cooler adapter opens the door to -10AN oil line routing and lets you design a cooling system around your own goals, whether that’s simply taming high oil temperatures or laying groundwork for future additions like a turbocharger. Two 1/8-in NPT ports on the adapter give you room to add sensors or an extra oil feed down the line, and because the kit is engineered specifically around the LS1/LS2 front-sump oil pan, it integrates cleanly instead of forcing compromises elsewhere in the engine bay. It’s a Mishimoto oil cooler kit built for enthusiasts who want to engineer their own solution rather than settle for a fixed configuration.
Vehicle Applications
The Mishimoto MMOCA-GTO oil cooler adapter is designed to fit the 2004-2006 Pontiac GTO Base, which is equipped with the LS1/LS2 engine and its corresponding front-sump oil pan. The adapter is engineered around this front-sump LS1/LS2 platform, making it a direct-fit foundation for GTO owners looking to build out a custom oil cooling circuit.
Features
- Designed for LS1/LS2 equipped vehicles with a front-sump oil pan
- Allows for use of -10AN fittings for custom oil cooler installation
- CNC-machined components, including 6061 aluminum fittings and adapter plates, for superior fitment and durability
- Two 1/8-in NPT ports (with plugs) for adding sensors, an oil feed, or other future needs
- Includes one straight fitting and one banjo fitting for easy installation of -10AN oil lines
- Includes a power steering relocation bracket
- Gasket or seal included
- Backed by the Mishimoto Lifetime Warranty
Specifications
- Brand: Mishimoto
- Part Number: MMOCA-GTO
- Product Type: Cooling
- Material: 6061 Aluminum
- Color: Silver
- Gasket or Seal Included: Yes
- Engine Codes: LS-1, LS-2
- Chassis Codes: V-Body
- Compatible GM front-sump oil pan part numbers: 12599397, 12599398, 12581209, 12581210
- Installation Notes: Torque bolts to between 108 in-lbs and 120 in-lbs
- Kit Includes: Oil Cooler Adapter Housing & Spacer (Aluminum), Power Steering Relocation Bracket, Banjo Fitting w/ Bolt M20 x -10AN (Black), M20 x -10AN Straight Fitting (Black), O-Rings, 1/8-in NPT Plugs, Mounting Hardware Set, Mishimoto Lifetime Warranty
Frequently Asked Questions
What vehicles does the Mishimoto MMOCA-GTO oil cooler adapter fit?
This adapter is designed for the 2004-2006 Pontiac GTO Base, which is equipped with the LS1/LS2 engine and a front-sump oil pan.
What material is the Mishimoto oil cooler adapter made from?
The adapter and its fittings are CNC-machined from 6061 aluminum in a silver finish for fitment and durability.
What comes included in the MMOCA-GTO kit?
The kit includes an aluminum oil cooler adapter housing and spacer, a power steering relocation bracket, a banjo fitting with bolt (M20 x -10AN, black), an M20 x -10AN straight fitting (black), O-rings, 1/8-in NPT plugs, and a mounting hardware set.
Does this adapter allow for -10AN oil cooler lines?
Yes, it includes one straight fitting and one banjo fitting designed for easy installation of -10AN oil lines.
What is the recommended torque for installation?
Mishimoto recommends torquing the bolts to between 108 in-lbs and 120 in-lbs.
Does the Mishimoto MMOCA-GTO adapter come with a warranty?
Yes, it is backed by the Mishimoto Lifetime Warranty.
âš WARNING (California Proposition 65): This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
