PAI Fully Loaded Engine Cylinder Head Kit for Cummins ISL9 (2007-17) (5529501/5529501RX) (New)

Breathe new life into your Cummins ISL9 (model years 2007–2017) with the PAI Fully Loaded Cylinder Head Kit—part number ISL95529501 —a premium, brand-new, direct-fit solution equivalent to Cummins 5529501 and 5529501RX. Engineered for heavy-duty applications including trucks, buses, and equipment, this kit eliminates the hassle of core returns and delivers a fully assembled cylinder head designed for seamless replacement and lasting reliability.

Each kit is manufactured from high-grade alloys, then precision-machined and thoroughly tested to meet the most stringent industry standards. The loaded head comes pre-installed with valves, valve springs, guides, and seals—guaranteeing factory-level compression and combustion efficiency. By restoring the critical combustion chamber integrity, this component restores engine performance, reduces oil burn, and eliminates misfires or hard starts linked to head wear or damage.

Backed by PAI Industries’ commitment to durability, these heads are ideal for both in-frame and out-of-frame rebuilds—slashing downtime and simplifying installation for mechanics and fleet managers alike. Perfect for vocational fleets, municipal buses, and construction platforms powered by the ISL9 engine, the kit cross-references with all major OEM service part numbers to ensure broad fitment and easy lookup.

Choose PAI for quality and peace of mind with no hidden costs, no core management, and proven performance. Order your ISL9 cylinder head kit today and keep your fleet running strong!