{"product_id":"fuel-transfer-pump-4n-4864-4n4864-fit-for-caterpillar-cat-engine-3306-3304-tractor-621r-941b-951c-955l-977l-d4d-d4e-d5-d5b-d6c-d6d-d7g","title":"Fuel Transfer Pump 4N-4864 4N4864 Fit for Caterpillar CAT Engine 3306 3304 Tractor 621R 941B 951C 955L 977L D4D D4E D5 D5B D6C D6D D7G","description":"\u003cp\u003eThe Caterpillar 3306 and 3304 are legendary diesel engines powering some of the most iconic CAT construction and earthmoving equipment ever built — from D-series dozers to track loaders and motor scrapers. The fuel transfer pump draws fuel from the tank and delivers it at low pressure to the injection pump, keeping the entire fuel system primed and ready. When it fails, you'll face hard starts, fuel starvation under load, and eventually a no-start condition. This brand-new aftermarket transfer pump is a direct replacement for CAT part numbers \u003cstrong\u003e4N-4864\u003c\/strong\u003e, \u003cstrong\u003e4N4864\u003c\/strong\u003e, and \u003cstrong\u003eCA4N4864\u003c\/strong\u003e, engineered to restore proper fuel flow and protect your injection pump from dry-running damage.\u003c\/p\u003e\n\n\u003ch3\u003e✅ Direct-Fit Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCAT Engines:\u003c\/strong\u003e 3306, 3304\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCAT Tractors \u0026amp; Equipment:\u003c\/strong\u003e 621R, 941B, 951C, 955L, 977L, D4D, D4E, D5, D5B, D6C, D6D, D7G\u003c\/li\u003e\n  \u003cli\u003eBolt-on replacement — no modifications required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e🔧 Product Highlights\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e100% Brand New Aftermarket:\u003c\/strong\u003e Not rebuilt or refurbished — starts with a full service life\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOEM-Spec Fuel Flow:\u003c\/strong\u003e Correct flow rate and pressure to keep the injection pump primed and protected\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect Drop-In Fit:\u003c\/strong\u003e No modifications required; installs like the original\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3 Part Number Formats:\u003c\/strong\u003e Covers CA4N4864, 4N-4864, and 4N4864 for confirmed fitment across all sources\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBroad CAT Equipment Coverage:\u003c\/strong\u003e Fits 13 CAT equipment models across dozers, loaders, and scrapers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProtects Your Injection Pump:\u003c\/strong\u003e Proper fuel delivery prevents dry-running damage to downstream components\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e📦 What's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Fuel Transfer Pump (4N-4864 \/ 4N4864 \/ CA4N4864)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e🔑 Key Specs\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Numbers:\u003c\/strong\u003e 4N-4864, 4N4864, CA4N4864\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e 100% New Aftermarket\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e CAT 3306 \/ 3304 engines; 621R \/ 941B \/ 951C \/ 955L \/ 977L \/ D4D \/ D4E \/ D5 \/ D5B \/ D6C \/ D6D \/ D7G\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003ePlease verify your equipment model and existing part number before ordering. Contact us for fitment confirmation if needed.\u003c\/em\u003e\u003c\/p\u003e","brand":"Fuel Parts Depot","offers":[{"title":"Default Title","offer_id":47103421055132,"sku":"4N-4864","price":187.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0705\/7843\/8300\/files\/fuel-transfer-pump-4n-4864-4n4864-fit-for-caterpillar-cat-engine-3306-3304-tractor-621r-941b-951c-955l-977l-d4d-d4e-d5-d5b-d6c-d6d-d7g-3780539.png?v=1782318984","url":"https:\/\/fuelpartsdepot.com\/products\/fuel-transfer-pump-4n-4864-4n4864-fit-for-caterpillar-cat-engine-3306-3304-tractor-621r-941b-951c-955l-977l-d4d-d4e-d5-d5b-d6c-d6d-d7g","provider":"Fuel Parts Depot","version":"1.0","type":"link"}