Toyota 3RZ Cylinder head assembly 171528
171528The Toyota 3RZ cylinder head assembly 171528 suits engines that start showing common top-end problems—rough idle, coolant loss, or a head that’s warped from heat. The casting sits straight, the mating surface holds well, and the ports follow the 3RZ layout, so everything lines up the moment you place it on the block. Mechanics often prefer a fresh head like this instead of reworking an old one, especially when the original has deep cracks around the seats or between the valves.
Another thing worth noting is how this head works well with factory manifolds and timing parts. You don’t fight with alignment; the bolt positions, channels, and guides sit exactly where they should. For many workshops, this cuts installation time and avoids repeated adjustments.
Why many buyers choose this Toyota 3RZ cylinder head
- It matches the 3RZ-FE engine layout
- The casting holds steady under regular heat cycles
- Ports and chambers follow the original flow path
- It fits work trucks, vans, and daily-use vehicles that need a clean, direct replacement
- Helps restore compression and smooth running after overheating or gasket failure
Most technicians use this head when rebuilding engines for utility use—vehicles that tow, carry loads, or run long hours. In those cases, a fresh assembly often gives better results than resurfacing a heavily damaged head.
At Acme Impex, each cylinder head goes through inspection for casting quality and fitment. We check the surfaces, threads, and channels so the head sits properly during final torqueing. It’s a straightforward replacement for workshops, rebuilders, and vehicle owners who want the engine running right again.
If you're looking for a Toyota 3RZ cylinder head that fits well and supports a clean rebuild, this assembly is a practical choice for your repair job.

