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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.
Cummins Engine Insulation (FCU123-14Z)
Unit of Measure
1 2 3 
Cummins NT-NTA 855 G3 FCU131-04Z
NT/NTA 855-G3-4; Complete Blanket Set
Cummins Engine Insulation (FCU174-08Z) FCU174-08Z
QSB 6.7; Complete Blanket Set
Image FCU174-116Z
QSB7 (DSGAA); Complete Blanket Set
Cummins Engine Insulation (FCU174-18Z) FCU174-18Z
QSC 8.3; Complete Blanket Set
Cummins QSK-19 FCU180-04Z
QSK-19; Complete Blanket Set
Image FCU186-05Z
QSK50 G4 (DQGAB); Complete Blanket Set
Image FCU191-14Z
QSL9; Complete Blanket Set
Image FCU191-08Z
QSL9-G5 (ISL250) ; Complete Blanket Set
Cummins Engine Insulation (FCU128-14Z) FCU128-14Z
QSM11; Complete Blanket Set
Cummins Engine Insulation (FCU175-06Z) FCU175-06Z
QST-30G QUANTUM; Complete Blanket Set
Image FCU192-06Z
QSX15-G8; Complete Blanket Set
Image FCU140-04Z
VTA-28; Complete Blanket Set
Image FCU145-04Z
VTA-28-G5; Complete Blanket Set
FCU-109-1_A.PNG FCU109-01
4B 3.9-G2; Manifold
FCU111-04Z.png FCU111-04Z
4BT/4BTA 3.9 High Mount; Complete Set
Onan Exhaust Manifold.jpg FCU109-31
4R 13T; Manifold
FCU127-02.jpg FCU127-02
6CTA8.3-DM Marine; Turbo
Image FCU221-08Z
ISL 330/400; Complete Set
IMG_9535.jpg FCU172-06Z
KTTA 50 G2 (K2000E); Complete Set
N14 M manifld PIC 2.JPG FCU129-51
NTA-14 Rail Car; High Mount Manifold
QSB 4.5 turbo & manifold.JPG FCU174-035-4Z
QSB 4.5/QSB5-G3; Complete Set
IMG_0376.JPG FCU174-036-58Z
QSB 4.5, High Mount, Off Centre; Complete Set
IMG_3200.JPG FCU174-036-4
QSB 4.5 Low Mount; Complete Set
PC210010.JPG FCU174-031
QSB 5.9; Manifold
Unit of Measure
1 2 3