Head Gasket Set

The DDP631375 Head Gasket Set by Pai Industries is a complete cylinder head gasket kit engineered for Detroit Diesel DD15 engines. It directly replaces OEM A4720162120, and includes the head gasket, camshaft housing gasket, injector kit, coolant tubes, and related sealing components. Built to OE specifications for durability, reliable sealing, and precise fit. Supplied by Wofford Truck Parts, it ensures long-term sealing under high pressure and high temperature conditions in heavy-duty service.

Pai Industries Part No: DDP631375

$606.71

Specifications

The Pai Industries DDP631375 Head Gasket Set is a comprehensive gasket kit engineered for Detroit Diesel DD15 engines, delivering top-tier sealing performance and reliability. This set replaces OEM part A4720162120, and includes critical components like the cylinder head gasket, injector sealing kit, camshaft housing gasket, and coolant tube gaskets. Each piece is crafted to factory tolerances to resist high temperature, combustion pressure, and coolant exposure. Proper installation helps maintain compression integrity, prevents coolant/oil leaks, and supports engine longevity. Wofford Truck Parts offers this genuine Pai set for heavy-duty fleet maintenance, ensuring consistent performance where failures are not an option.

Weight

7.64

Compatibility

Freightliner — Cascadia (DD15 offered starting ~2008 → present).

Freightliner — Century / Columbia (DD15 option appeared as the DD platform rolled out around 2008; many model years in the late 2000s–2010s offered DD15).

Sterling — Set-Back L-Line / A-Line (Sterling chassis that accepted the DD15 ~2008–2010s).

Western Star — 49X / 5700 / 4900 series (Western Star models offered with DD15/DD16 options in 2010s).

Other DTNA / Daimler Trucks North America Class-8 chassis — various Freightliner / Western Star vocational and on-highway models that listed the DD15 as an engine option from about 2008 onward.

Motorcoach / bus / specialty chassis — selected OEMs that specified Detroit DD15 as an available powerplant (various years in the 2010s).