Upgrade your Caterpillar 3406E engine’s fuel delivery system with the Kustom Truck Stainless Braided Hose Kit, specifically designed for 40-Pin ECM engines with a 1LW serial prefix. Engineered for superior performance and durability, this kit ensures a reliable fuel supply for heavy-duty trucks by replacing consumable factory rubber hoses. Available in two variations: Standard Mount (standard fuel filter mounting base) and High Mount (cylinder head mounted fuel filter location). Each version includes coolant, air intake, fuel supply, fuel return, and oil pressure lines, along with stainless steel fittings for secure, leak-free connections.
Crafted from high-quality stainless braided hoses, this kit offers unmatched durability, high temperature resistance, improved fuel flow, and a sleek, mirror-polished appearance that enhances your engine bay. Ideal for mechanics, fleet owners, and truck enthusiasts upgrading Peterbilt, Kenworth, or Freightliner trucks. Note: This kit is compatible only with Caterpillar 3406E engines with 1LW serial prefix and 40-Pin ECM; it will not fit 5EK or 6TS serial prefixes. Please select the correct fuel filter mount variation and confirm fitment with Kustom Truck for verification.
Standard/High Mount Kits Includes:
- (1) Coolant Return Line (Air Compressor to Engine Block)
- (1) Coolant Supply Line (Engine Block to Air Compressor)
- (1) Air Intake Line (Cylinder Head to Air Compressor)
- (1) Fuel Supply Line (Fuel Filter Base to Bottom of ECM)
- (1) Fuel Supply Line (ECM to Front of Cylinder Head)
- (1) Fuel Return Line (Back of Cylinder Head to Fuel Filter Base)
- (1) Fuel Supply Line (Fuel Transfer Pump to Fuel Filter Base)
- (1) Oil Pressure Supply Line (Engine Block to Air Compressor)
- (1) Stainless Steel Swivel Fitting (5/8" Male JIC x 5/8" Female JIC, 90 Degree)
Key Features:
- Stainless braided hose kit for Caterpillar 3406E with 1LW serial prefix and 40-Pin ECM
- Available in Standard Mount and High Mount Fuel Filter configurations
- Compatible with TF-550 or TF-750 air compressors
- Replaces consumable rubber hoses with durable, stainless braided hoses
- Offers high temperature resistance, improved fuel flow, and corrosion resistance
- Sleek, mirror-polished finish enhances engine bay aesthetics
- Note: Does not fit 3406E with 5EK or 6TS prefixes; confirm fitment with Kustom Truck
- Engineered for precise fitment, reliability, and heavy-duty performance
Elevate your Caterpillar 3406E’s fuel delivery with Kustom Truck Parts’ Stainless Braided Hose Kit, crafted for durability, performance, and style.
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Top notch product!
Top notch quailty and very nice product the folks at Kustom truck have put together in this kit! Have not had time to install it but I know the fitment will be perfect!
