PAI Industries, Inc. Isolator Assembly Part No: 642021
$18.14
The PAI Industries 642021 Isolator Assembly is a durable oil pan isolator with “stud in head” design, engineered for Detroit Diesel Series 60 engines. It replaces OEM reference 23530961, offering a perfect seal between the oil pan and engine block. Manufactured in ISO-certified U.S. facilities and backed by a 2-year unlimited-mileage warranty, this isolator helps reduce vibration and improve sealing. Available from Wofford Truck Parts, it’s an important part for service and rebuilds.
Specifications
The PAI 642021 Isolator Assembly is made for use with Detroit Diesel Series 60 engines. Its primary function is to isolate the oil pan from the block via a stud-in-head mounting point, reducing vibration and ensuring a tight, gasket-friendly seal. This part is a direct OEM replacement for Detroit Diesel 23530961, matching factory fit and finish.
Built in the USA under ISO-certified manufacturing standards, the 642021 comes with a 2-year warranty. Light weight (~0.26 lbs) and modest packaging, this isolator is easy to ship and install. For fleet maintenance, overhaul jobs, or preventive service, it provides reliable performance in heavy-duty applications.
Compatibility
Freightliner – FLD, Century, Columbia, Coronado, Argosy (1987–2011)
Kenworth – T600, T800, W900 (1987–2011)
Peterbilt – 377, 378, 379, 386, 388 (1987–2011)
Western Star – 4700, 4900 (1990s–2011)
Sterling – Acterra, A-Line (late 1990s–2010)
International/Navistar – select transit & line-haul models (1987–2011)
Bus/Coach/RV/Specialty – various rigs powered by Series 60 (1990s–2011)
Alternative Part Numbers
- Detroit Diesel 23530961
- PAI642021
