{"product_id":"cummins-4309440-wabco-9111539212-air-compressor-cylinder-head-kit","title":"Cummins Wabco Air Compressor Repair Kit Cylinder Head - 4309440 \/ 9121406576","description":"\u003cp\u003eHigh-quality Cummins WABCO 4309440 air compressor cylinder head repair kit engineered to restore performance and reliability in heavy-duty air brake systems. Designed for precise OEM fitment, this kit ensures optimal air compression, durability, and long service life in commercial diesel engines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePart Number (Cummins): 4309440\u003cbr\u003eWABCO Part Number: 9111539212 (core reference family)\u003cbr\u003eAlt WABCO Ref: 9121406576 (variant\/market reference)\u003cbr\u003eComponent Type: Air Compressor Cylinder Head Repair Kit\u003cbr\u003eApplication: Air brake compressor systems\u003cbr\u003eCompressor Type: Twin-cylinder (704cc typical WABCO platform)\u003cbr\u003eMaterial: OEM-grade aluminum\/steel components\u003cbr\u003eFunction: Restores compressor head sealing and airflow efficiency\u003cbr\u003eIncludes: Cylinder head, Gaskets, Bolts \/ hardware, Valve components (varies by kit)\u003cbr\u003eOEM Quality: Meets OE specifications\u003c\/p\u003e","brand":"FleetPro Parts","offers":[{"title":"Default Title","offer_id":42739532890206,"sku":"4309440 \/ 9121406576","price":428.44,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0606\/2070\/1790\/files\/wabco-9111539212-cylinder-head-kit.jpg?v=1778016656","url":"https:\/\/fleetpro-parts.com\/products\/cummins-4309440-wabco-9111539212-air-compressor-cylinder-head-kit","provider":"FleetPro Parts","version":"1.0","type":"link"}