AFA Industries 4N1156 Thermostat Regulator Cover Gasket
Crafted by AFA Industries, gasket 4N1156 replicates the OEM Cat part for regulator/thermostat housing on engines including Cat 3406E, C15, C16, and C18. This single-piece gasket is engineered to prevent coolant leakage and maintain pressure integrity between the housing and cover components under thermal cycling conditions, offering dependable OEM-level fit and durability.
$1.73
Specifications
The AFA Industries 4N1156 Thermostat Regulator Cover Gasket is engineered as an aftermarket equivalent to OEM Caterpillar part 4N‑1156, also known under cross-reference part PAI 331285. Designed for Cat 3406E, C15, C16, C18, and related models, this high-precision gasket seals the interface between the thermostat and regulator housing cover. Molded to Cat’s original specs, it ensures reliable sealing under coolant pressure and temperature fluctuations. Lightweight, it ships in compact packaging. Perfect for maintenance and rebuild operations on heavy-duty diesel engines, it delivers OEM-quality fit and sealing performance.
Weight
0.09
Compatibility
Alternative Part Numbers
Caterpillar 4N‑1156
Caterpillar 4N1156
PAI 331285
Caterpillar 4N1156
PAI 331285
