5XC-PR-1000C Cold Planer
5XC-PR-1000 Cold Planer
7PJ-PR-450C Cold Planer
7DC-PR-450 Cold Planer
8AC-PR-750B Cold Planer
78Z-3408B Engine – Generator Set
78Z-3408C Engine – Generator Set
78Z-3408 Engine – Generator Set
81Z-3412C Engine – Generator Set
81Z-3412 Engine – Generator Set
5JA-SR4 Engine – Generator Set
5KA-SR4 Engine – Generator Set
2BG-3408B Engine – Generator Set
BAX-3412C Engine – Generator Set
4BZ-3412C Engine – Generator Set
9EP-3412C Engine – Generator Set
BCW-3412C Engine – Generator Set
LRY-3412C Engine – Generator Set
5FL-PM3412 Engine – Generator Set
38S-3412 Engine – Industrial
67U-3408B Engine – Industrial
67U-3408 Engine – Industrial
9TD-3408B Engine – Industrial
9ER-3408C Engine – Industrial
8AR-3412C Engine – Industrial
28V-3408B Engine – Truck
28V-3408 Engine – Truck
1EK-WEG Generator
99U-3408B Marine Products
99U-3408 Marine Products
60M-3412 Marine Products
TAM-3408C Marine Products
RLR-3412C Marine Products
1LG-3408B Marine Products
1TS-3408C Mari
Caterpillar 4N-1091 Housing AS – OEM-Grade Durability and Precision Fit for Heavy Equipment
The Caterpillar 4N-1091 Housing AS is a critical component engineered to meet the rigorous demands of heavy-duty machinery, including Cold Planers (5XC-PR-1000C, 7PJ-PR-450C), Engine Generator Sets (78Z-3408B, 81Z-3412C), and Industrial Engines (38S-3412, 9ER-3408C). Manufactured from high-grade metallurgy, this housing ensures exceptional resistance to wear and fatigue under extreme load conditions. Its precise dimensions and robust construction provide a seamless fit within the drivetrain assembly, enhancing overall machine reliability and operational efficiency.
Designed to withstand harsh mining and construction environments, the 4N-1091 Housing AS delivers superior performance by maintaining structural integrity and alignment of internal components. This OEM-quality part supports optimal load distribution and vibration damping, reducing downtime and maintenance costs. Ideal for applications in marine, truck, and industrial engine categories, the housing’s corrosion-resistant finish further extends service life, making it a vital replacement part for Caterpillar equipment operators seeking long-term value and peak performance.
🔗 For detailed specifications and to purchase the Caterpillar 4N-1091 Housing AS, visit Caterpillar 4N-1091 Housing AS at AllParts Expert.
Related Parts







category

category

category