Audi S4 Fuel Systems

1998 Audi S4 is a wonderful vehicle from the factory. The parts you will find in our catalog will help you bring the best out of your S4. We have 49 Fuel Systems available for your 1998 S4 all priced at lowest possible price backed by FREE SHIPPING. 

We price match competitors ... Shop with confidence. 


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Fleece Performance 1/2" CP3 Feed Fitting
Fleece Performance 1/2" CP3 Feed Fitting
Universal Part | Part #: FPE-CP3-FEED
Highlights: 1/2 inch Barbed Inlet
Price: $30.95
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Fleece Performance 20" High Pressure Fuel Line (8mm x 3.5mm Line; M14x1.5 Nuts)
Fleece Performance 20" High Pressure Fuel Line (8mm x 3.5mm Line; M14x1.5 Nuts)
Universal Part | Part #: FPE-34200-20
Price: $75.95
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K&N 25 Micron Inline Fuel Filter - 10 Wiggins
K&N 25 Micron Inline Fuel Filter - 10 Wiggins
Universal Part | Part #: 81-1004

IN-LINE GAS/OIL FILTER - 10 WIGGINS; 25 MICRON

Highlights: Stainless Mesh; 25 micron; 10 Wiggins; 9 in (229 mm); 2 in (51 mm)
Price: $316.39
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Fleece Performance 3/8" CP3 Return Fitting
Fleece Performance 3/8" CP3 Return Fitting
Universal Part | Part #: FPE-CP3-RTRN
Price: $30.95
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K&N 25 Micron Replacement Fuel Filter
K&N 25 Micron Replacement Fuel Filter
Universal Part | Part #: 81-1008

REPLACEMENT FILTER; 25 MICRON

Highlights: Stainless Mesh; 25 micron; 5.625 in (143 mm); 1.688 in (43 mm)
Price: $125.99
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Fleece Performance 7" High Pressure Fuel Line (8mm x 3.5mm Line; M14x1.5 Nuts)
Fleece Performance 7" High Pressure Fuel Line (8mm x 3.5mm Line; M14x1.5 Nuts)
Universal Part | Part #: FPE-34200-7
Price: $50.95
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Fleece Performance 18" High Pressure Fuel Line (8mm x 3.5mm Line; M14x1.5 Nuts)
Fleece Performance 18" High Pressure Fuel Line (8mm x 3.5mm Line; M14x1.5 Nuts)
Universal Part | Part #: FPE-34200-18
Price: $71.95
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Weapon-R Fuel Pressure Regulator
Weapon-R Fuel Pressure Regulator
Universal Part | Part #: 958-111-101
Highlights: Polished
Price: $89.60
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Fleece Performance 8" High Pressure Fuel Line (8mm x 3.5mm Line; M14x1.5 Nuts)
Fleece Performance 8" High Pressure Fuel Line (8mm x 3.5mm Line; M14x1.5 Nuts)
Universal Part | Part #: FPE-34200-8
Price: $52.95
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Fleece Performance 14" High Pressure Fuel Line (8mm x 3.5mm Line; M14x1.5 Nuts)
Fleece Performance 14" High Pressure Fuel Line (8mm x 3.5mm Line; M14x1.5 Nuts)
Universal Part | Part #: FPE-34200-14
Price: $64.95
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K&N 25 Micron Inline Fuel Filter - 12 Wiggins
K&N 25 Micron Inline Fuel Filter - 12 Wiggins
Universal Part | Part #: 81-1007

IN-LINE GAS/OIL FILTER - 12 WIGGINS; 25 MICRON

Highlights: Stainless Mesh; 25 micron; 12 Wiggins; 9 in (229 mm); 2 in (51 mm)
Price: $179.99
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K&N 100 Micron Replacement Fuel Filter
K&N 100 Micron Replacement Fuel Filter
Universal Part | Part #: 81-1011

REPLACEMENT FILTER; 100 MICRON

Highlights: Stainless Mesh; 100 micron; 5.625 in (143 mm); 1.688 in (43 mm)
Price: $125.99
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K&N 40 Micron Replacement Fuel Filter
K&N 40 Micron Replacement Fuel Filter
Universal Part | Part #: 81-1009

REPLACEMENT FILTER; 40 MICRON

Highlights: Stainless Mesh; 40 micron; 5.625 in (143 mm); 1.688 in (43 mm)
Price: $125.99
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K&N 25 Micron Inline Fuel Filter - 10AN
K&N 25 Micron Inline Fuel Filter - 10AN
Universal Part | Part #: 81-1002

IN-LINE GAS/OIL FILTER - 10AN; 25 MICRON

Highlights: Stainless Mesh; 25 micron; 10AN; 9 in (229 mm); 2 in (51 mm)
Price: $209.99
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K&N 40 Micron Inline Fuel Filter - 12 Wiggins
K&N 40 Micron Inline Fuel Filter - 12 Wiggins
Universal Part | Part #: 81-1006

IN-LINE GAS/OIL FILTER - 12 WIGGINS; 40 MICRON

Highlights: Stainless Mesh; 40 micron; 12 Wiggins; 9 in (229 mm); 2 in (51 mm)
Price: $159.99
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K&N 74 Micron Replacement Fuel Filter
K&N 74 Micron Replacement Fuel Filter
Universal Part | Part #: 81-1010

REPLACEMENT FILTER; 74 MICRON

Highlights: Stainless Mesh; 74 micron; 5.625 in (143 mm); 1.688 in (43 mm)
Price: $119.99
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aFe DFS780 MAX Fuel Pump (10-20 PSI)
aFe DFS780 MAX Fuel Pump (10-20 PSI)
Universal Part | Part #: 42-30001

DFS780 MAX Universal Fuel Pump (10-20 PSI)

Highlights: 187gph; 2 Years Manufacturer Warranty
Price: $554.95
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Fleece Performance 17" High Pressure Fuel Line (8mm x 3.5mm Line; M14x1.5 Nuts)
Fleece Performance 17" High Pressure Fuel Line (8mm x 3.5mm Line; M14x1.5 Nuts)
Universal Part | Part #: FPE-34200-17
Price: $70.95
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Showing 19 to 36 of 49 (3 Pages)
Showing 19 to 36 of 49 (3 Pages)
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