{"product_id":"ppe-bar-and-plate-transmission-cooler-124062103-2003-2005-6-6l-duramax-lb7-lly","title":"PPE BAR AND PLATE TRANSMISSION COOLER 124062103 | 2003-2005 6.6L DURAMAX LB7\/LLY","description":"\u003cp\u003eImprove transmission cooling in your 2003–2005 GM 6.6L Duramax LB7\/LLY with the PPE Bar and Plate Transmission Cooler. Designed as a direct-fit upgrade for the factory cooler, this heavy-duty unit provides increased cooling capacity to help control transmission fluid temperatures during towing, hauling, performance driving, and other demanding operating conditions.\u003c\/p\u003e\n\n\u003cp\u003eThe high-quality aluminum bar-and-plate core provides 180% greater core volume and cooling capacity compared to the factory unit. Internally staggered fins help slow and distribute transmission fluid through the cooler, increasing contact time and promoting more effective heat transfer through the plates and louvered aluminum fins.\u003c\/p\u003e\n\n\u003cp\u003eDesigned to utilize the factory mounting locations, the cooler installs without requiring a custom mounting arrangement. New quick-connect fittings are included to provide the necessary connections for a straightforward installation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e180% larger core volume and cooling capacity\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty bar-and-plate cooler design\u003c\/li\u003e\n  \u003cli\u003eHigh-quality aluminum construction\u003c\/li\u003e\n  \u003cli\u003eStaggered internal fins improve fluid distribution and heat transfer\u003c\/li\u003e\n  \u003cli\u003eHelps reduce transmission fluid temperatures\u003c\/li\u003e\n  \u003cli\u003eIdeal for towing, hauling, and demanding driving conditions\u003c\/li\u003e\n  \u003cli\u003eDirect-fit replacement for the factory transmission cooler\u003c\/li\u003e\n  \u003cli\u003eUses factory mounting locations\u003c\/li\u003e\n  \u003cli\u003eIncludes new quick-connect fittings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e2003–2004 GM 2500HD equipped with the 6.6L Duramax LB7\u003c\/li\u003e\n  \u003cli\u003e2004.5–2005 GM 2500HD equipped with the 6.6L Duramax LLY\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Pacific Performance Engineering","offers":[{"title":"Default Title","offer_id":53945471959323,"sku":"124062103","price":314.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/5757\/3147\/files\/Screenshot2026-09-14at10.21.41AM.png?v=1789402906","url":"https:\/\/wwmperformance.com\/products\/ppe-bar-and-plate-transmission-cooler-124062103-2003-2005-6-6l-duramax-lb7-lly","provider":"WWM Performance","version":"1.0","type":"link"}