Housing Thermostat Gasket
The PAI 131647 Housing Thermostat Gasket delivers a precise, leak-resistant seal for Cummins ISX thermostat housings. This OEM-grade gasket replaces part numbers 3684336 and 3680601, offering durable performance in high-temperature conditions. Weighing around 0.61 lbs, it installs quickly to prevent coolant leaks and ensure optimal engine performance. A trusted choice for professional mechanics and fleet operators—available at Wofford Truck Parts.
$12.16
Specifications
Designed for Cummins ISX-series engines, the PAI 131647 Housing Thermostat Gasket is an OEM-quality replacement engineered to maintain a secure seal between the thermostat housing and engine block. This gasket replaces 3684336 and 3680601, as well as Interstate-McBee reference M-3684336. Crafted for durability, it resists high coolant and engine temperatures to prevent leaks and promote efficient thermal management. With a retail weight of 0.61 lbs, it's engineered for an easy, reliable fit. Ideal for heavy-duty maintenance and repair, the 131647 gasket ensures your engine remains leak-free and performs at peak efficiency.
Weight
0.58
Compatibility
Freightliner Cascadia (2008–2017)
Kenworth T680 (2013–2020)
Peterbilt 579 (2013–2020)
Volvo VNL Series (2008–2019)
International ProStar (2008–2016)
Alternative Part Numbers
3684336 (Cummins)
3680601 (Cummins)
M-3684336 (Interstate-McBee)
PAI 131647
3680601 (Cummins)
M-3684336 (Interstate-McBee)
PAI 131647
