Piston Assembly for Toyota 4Runner / T100 / Tacoma 2.7L 3RZFE Engine (Applicable Model: Toyota)
The Toyota 3RZ-FE (2.7L) engine features a bore of 95.0 mm and a stroke of 95.0 mm, resulting in a classic “square engine” design.
Its pistons are typically constructed from ZL109 cast aluminum alloy.
Key technical specifications for this engine include a piston pin diameter of 24 mm, a standard compression ratio of 9.2:1, and a three-ring piston configuration.
Description
Piston Assembly Specifications
Bore: 95.0 mm (3.74 in)
Piston Pin Diameter: 24.000 – 24.009 mm (0.9449 – 0.9452 in)
Compression Height: 1.398 in (35.5 mm)
Piston Ring Side Clearance: 0.020–0.070 mm (Top Ring), 0.030–0.070 mm (Second Ring)
Piston-to-Cylinder Wall Clearance: 0.03–0.05 mm
Piston Ring Configuration: 2 Compression Rings, 1 Oil Ring
Standard Compression Ratio: 9.2:1
OE Number: 13101-75041














