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Oil Pan Components List for a 2RZ/3RZ Swap in IFS Vehicles

Swapping a Toyota 2RZ or 3RZ engine into a 1986-1995 Toyota Pickup or 4Runner with IFS (Independent Front Suspension) is a great upgrade for improved power and reliability. However, one critical aspect often overlooked is the oil pan setup. While a solid front axle (SFA) Pickup or 4Runner can easily use a rear sump pan, IFS vehicles require a specific oil pan configuration to ensure proper clearance and fitment.


Why the Right Oil Pan Matters


Black oil pan with ridged contours on a white surface. Sticker reads "PAN SUB-ASSY, OIL 12101-75090". Simple, industrial setting.

When performing a 2RZ or 3RZ swap in an IFS vehicle, the rear sump oil pan used in solid axle setups won’t clear the front crossmember and steering components. Using the wrong oil pan can lead to clearance issues, improper oil pickup, and potential engine damage. To ensure a proper fit and avoid modifications, you need the correct OEM Toyota parts for an IFS application.


Required Parts for an IFS Compatible Oil Pan Setup

For a seamless 2RZ/3RZ engine swap in an IFS Toyota Pickup or 4Runner, make sure to use these components:

  • Oil Pan – Part #12101-75090

  • Oil Pick Up Tube – Part #15104-75080

  • Oil Dipstick Tube – Part #11409-75020

  • Oil Dipstick – Part #15301-75011

  • Oil Pick-Up Gasket – Part #15147-75020


How to Fabricate Your Own IFS-Compatible Oil Pan


Custom 3RZ 2RZ oil pan IFS

Steps to Fabricate a Custom IFS Oil Pan

  1. Gather the Parts: Use a 22R 4WD oil pan and a 3RZ oil pan for this modification.

  2. Modify the Oil Pick Up Tube: Use a 22R pickup tube for proper oil flow.

  3. Cut Both Pans: Trim about 1 inch below the mounting surface on both the 22R and 3RZ pans.

  4. Test Fit as You Go: Before welding, continuously test fit the pan on your engine and vehicle. You may need to trim or adjust the pan further to ensure proper clearance around the front crossmember, front differential, steering components, and suspension.

  5. Weld the Pans Together: Attach the bottom half of the 22R pan to the upper 3RZ pan rail for a custom fit.

  6. Create a Custom Oil Screen: This setup requires a modified oil pickup screen to match the pan’s new dimensions.


This process is time-consuming but necessary to fabricate a 3RZ swap IFS oil pan that properly fits into 1986-1995 IFS Toyota trucks and 4Runners.


Ensuring a Perfect Fit

Using the correct oil pan setup eliminates the need for extensive modifications and ensures proper oil circulation. If you choose to fabricate your own oil pan, precision and welding expertise are crucial for preventing leaks and ensuring durability.


Get Your Swap Parts at Shop Yota

At Shop Yota, we specialize in high-quality Toyota swap parts, making your 2RZ/3RZ engine conversion hassle-free. Whether you’re upgrading a Toyota pickup or 4Runner, we have the exact parts you need. Browse our inventory today and get your swap done right!


Final Thoughts

When swapping a 2RZ or 3RZ engine into an IFS vehicle, using the correct oil pan, pickup tube, and dipstick components is essential. If you prefer a DIY solution, fabricating an oil pan using a 22R 4WD pan and a 3RZ pan rail is an option but requires custom welding and modifications. Need help? Contact Shop Yota for expert advice and top-quality parts for your Toyota build!

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