Parts & buying options
Kat's 11431 engine block heater
Start with the engine, exact part number and installation type. A replacement cord is not a heating element. Canada buying options appear first; U.S. listings stay visible.
Before ordering
Exact vehicle/year fitment has not been independently confirmed here. Check your engine code, model year and installation port with the manufacturer.
An Amazon listing match confirms product identity, not compatibility with your vehicle. See the research sources below.
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Kat's 11431 engine block heater
Catalog starting point: confirm exact engine code, year and installation with the manufacturer.
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Research & fitment notes
Manufacturer: Nickson Industries (current KAT’s brand owner; older stock may be Five Star) (official). Listing brands and vehicle brands do not establish the maker.
Manufacturer catalog establishes part type; existing engine-family associations still require exact engine/year confirmation.
Application rows specify 44.5 mm; part-number index rounds this to 45 mm. Confirm opening and installation dimensions.
- manufacturer source · 2026-09-15
- manufacturer source · 2026-09-15
2L 6 cylinder gas-premium (unknown); 3L 6 cylinder gas-premium (unknown); 2.8L 6 cylinder gas-premium (unknown). Confirm the engine code and serial/VIN with the source.
Application guides: bmw / 1-series-m, bmw / 128i, bmw / 135i, bmw / 320i
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A listing check confirms the product identity at the time of review; it does not guarantee stock or compatibility. Read our fitment methodology.