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Home > FASS FLK-S03 Double Return Line Kit

FASS FLK-S03 Double Return Line Kit

Your Price: $180.00

Product Application: Class 8 Semi Trucks With Dual Saddle Fuel Tanks
Manufacturer: FASS
Item Number: FASS FLK-S03
Manufacturer Part No: FASS FLK-S0

Condition: NEW

FASS FLK-S03 Double Return Line Kit for Class 8 Semi trucks with dual saddle tanks. READ MORE >>

FASS FLK-S03 Double Vent Return Line Kit

FASS Fuel Systems offer the Double Vent Return Line Kit for the Class 8 Semi trucks from Kenworth, Peterbilt, Freightliner, Western Star, and Volvo. The FLK-S03 provides you with a double return fuel line kit for diesel fuel tanks with extra ports. eliminates drilling and provides a fuel tank vent and return line directly into the OEM vent thread in your fuel tank. This FASS Double Line Fuel Kit for Dual Fuel Tanks provides a  faster installation time.

Double Fuel Line Kit applications:

  • Volvo (VED)
  • Mercedes MBE-4000
  • Detroit (DDEC I, II, III or IV)
  • Cummins Small or Big Cam I, II, III, IV or NTC/STC, L10
  • Cummins M11, N14 & ISX
  • Cummins Signature Series
  • Caterpillar


 These Class 8 FLK-S03 fuel line installation kit includes:


  • Fifteen Feet of  Heavy Duty Fuel Line.
  • All required fittings.
  • Installation instructions.

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