Engines and Components Pistons and Piston Rings

United Engine & Machine Co

SNGL CAST PISTON L4 TOYOTA

$107.17

SKU: U00B S9109.1.0MM

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

The United Engine & Machine Co. S9109.1.0MM is a cast piston designed for specific Toyota L4 engines. This piston features a bore size of 82.000mm and a compression height of 1.190 inches. It is equipped with ring grooves measuring 1.2mm, 1.5mm, and 3.0mm.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandUnited Engine & Machine Co
Part NumberU00B S9109.1.0MM

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy