Engine Flush Oil

Engine Flush Oil

Pre-Oil-Change Internal Engine Cleaner

Product Description

KATMOTO Engine Flush Oil is a fast-acting internal engine cleaner added to the used oil shortly before an oil change. Its concentrated detergent-dispersant system dissolves and suspends sludge, varnish and deposits from oil galleries, rings and the valvetrain, which are then removed with the old oil at drain, restoring engine cleanliness and oil-flow efficiency for the fresh oil fill.

 

Key Performance Features

Dissolves sludge & varnish

powerful detergents loosen and suspend internal deposits and sludge.

Frees sticking rings

helps free stuck piston rings and clean the valvetrain.

Restores oil flow

cleans oil galleries and the pickup for better fresh-oil circulation.

Fast-acting

works in 10–15 minutes of idling before draining the old oil.

Safe for seals

compatible with engine seals and gaskets at recommended use.

Gasoline & diesel

suitable for gasoline and light-duty diesel engines.

Applications & Performance Level

Applications Gasoline and light-duty diesel engines, added to the used crankcase oil and idled for 10–15 minutes immediately before draining the old oil and refilling with fresh oil.
Specification Pre-oil-change flush — internal engine cleaning before an oil change.
Detergent-dispersant — dissolves and suspends sludge, varnish and deposits.
Seal-safe — compatible with engine seals at recommended dosage.
Gasoline & diesel use — suitable for gasoline and light-duty diesel engines.
Improves new-oil performance — restores cleanliness for the fresh oil fill.
OEM Suitability General gasoline and light-duty diesel engines. Add to warm used oil, idle 10–15 minutes (do not drive), then drain and refill. Do not exceed the recommended idle time.
Important Notice For idling use only — do not drive the vehicle with flush in the crankcase. Drain completely and refill with fresh oil. Not for use in engines with known severe mechanical wear.
Property Test Method Target Typical Value
Appearance / Color Visual Clear amber liquid
Product Type Detergent-dispersant flush
Density @ 15°C ASTM D4052 0.860 g/cm³
Kinematic Viscosity @ 40°C ASTM D445 30.0 mm²/s
Flash Point, COC ASTM D92 ≥ 150°C
Recommended Dosage One bottle per 3–5 L oil
Treatment Time 10–15 min idling
Seal Compatibility Compatible

Note: The target values above are typical product values for reference only; final production data is subject to the official KATMOTO Technical Data Sheet (TDS) and laboratory test report.

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