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.
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379T: ; Complete Blanket Set
CAT 399

398T/399T: ; Complete Blanket Set
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C-12: ; Complete Blanket Set
Caterpillar Engine Insulation (FCAT588Z)

C-13 Two Stage: ; Complete Blanket Set
Caterpillar Engine Insulation (FCAT596Z)

C-15: ; Complete Blanket Set
Caterpillar Engine Insulation (FCAT608Z)

C-18 (ACERT): ; Complete Blanket Set
C27, C32 Charge Air

C-27: Charge Air piping; Complete Blanket Set
C32 Charge Air

C-32: Charge Air piping; Complete Blanket Set
C32 Acert (FCAT618-12Z)

C-32/C-27: ; Complete Blanket Set
CAT C-4.4

C-4.4; Complete Blanket Set
Caterpillar Engine Insulation (FCAT554Z)

C-9; (W bosses); Complete Blanket Set
Caterpillar Engine Insulation (FCAT559Z)

C-9 (NO bosses); Complete Blanket Set
Caterpillar Engine Insulation (FCAT3964Z)

D334; Complete Blanket Set
CAT353

Cat D353T: ; Complete Blanket Set
Caterpillar Engine Insulation (FCAT229Z)

3406, Round Flange, Complete Blanket Set
CAT 3054C (Forward Outlet)

3054C NEW (Pk 1104A/C/D, C4.4); Complete Set
CAT 3056E

3056E; Complete Blanket Set
3406 WATERCOOLED (FCAT231-08Z) 01.jpg

3406: WATERCOOLED (w/ Turbo); Complete Set
3046 SITA GAS (FCAT232-08Z) 1.JPG

3046 SITA GAS (FCAT232-08Z)
CAT 3406 (FCAT225Z).jpg

3046 SQUARE FLANGE FCAT225Z
3412 Single Turbo Watercooled  FCAT2371-6Z.JPG

3412: Single Turbo Watercooled (Gas); Complete Set
CAT 3512 Dual Staggered.JPG

CAT 3512 Dual Staggered Turbo (FCAT3638Z)
CAT3512 Dual Watercooled (FCAT3670-39Z).JPG

3512: DUAL WATERCOOLED; Complete Set
3512 HO Engine Photo.JPG

3512: HIGH OUTPUT; Complete Set
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