Search result for: 1230521060
INSULATOR SUB-ASSY, ENGINE MOUNTING, RH
Part number: 1230521060
Availability: 21
Weight, kg: 2.195
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Make: Toyota
Made in: Japan

ENGINE MOUNTING-12305-21060-ASIMCO THAILAND
Part number: 1230521060
Availability: 200
Weight, kg: 2.195
Processing: 4-5 days
Make: ASIMCO
Made in: Japan

INSULATOR SUB-ASSY, ENGINE MOUNTING, RH
Part number: 1230521060
Availability: 22
Weight, kg: 2.195
Processing: 2-3 days
Make: Toyota
Made in: Japan

Substitutions
RIGHT ENGINE MOUNTING
Part number: TM091
Availability: 7
Weight, kg: 2.191
Processing: 2-3 days
Make: FEBEST
Made in: China

Right Side Engine Mount Insulator Assembly
This component sits on the RH (passenger) side of the engine support system and is designed to isolate vibration between the engine and the vehicle body. Itβs needed because every engine produces shaking and torque twist; without proper damping, that movement transfers straight into the cabin and surrounding parts.
How It Works βοΈ
Inside the mount, a tough rubber insulator (often paired with a reinforced core) absorbs engine pulses and controls side-to-side roll. It holds the engine at the correct height and angle while allowing small, controlled movement during acceleration, braking, and shifting.
When This Part Fails
A worn or torn insulator can cause clunks on take-off, harsh vibration at idle, and engine rocking that stresses exhaust joints, hoses, and wiring. In severe cases, driveline alignment suffers, leading to rough shifting and faster wear on nearby brackets and supports.
Why Replace It
Installing a fresh RH mount insulator restores smoothness, protects connected components, and keeps engine movement under control for safer, quieter driving β
