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Firwin removable and reusable insulation blankets are specially designed to fit around manifolds, turbochargers, elbows, “Y” adaptors, pipe sections, flexes and fittings. Our insulating blankets are fitted and laced together using special stainless steel wire. Other fastening methods are available upon request.

Listed below are some of the more popular models for which we have existing design patterns. Note that this list is not exhaustive, as we are adding models on a constant basis. If you cannot find the specific model you are looking for, please contact us directly.
Detroit Diesel Engine Insulation
Unit of Measure
Items 4V71 1043-8K32
FD0471-25Z
471T 1043-8K32; Complete Blanket Set
12V149
FD1249-11Z
12V149T; Complete Blanket Set
Detroit Diesel Engine Insulation (FDM2012-06Z)
FDM2012-06Z
12V2000; Complete Blanket Set
Detroit Diesel Engine Insulation (FDM4012-10Z)
FDM4012-10Z
12V4000; Complete Blanket Set
Detroit Diesel Engine Insulation
FD1271-14Z
12V71T 7123-7400; Complete Blanket Set
Make N/A Detroit Diesel
Model N/A 471T 1043-8K32 N/A 12V14 N/A 12V2000 N/A 12V4000 N/A 12V71T