2nd Gen 5.9L Cummins Fuel System

Maximize fuel delivery, optimize injection timing, and unlock serious horsepower on your 1994-1998 2nd Gen 12V Cummins with heavy-duty fuel system components. Factory fuel pumps, aging lines, and worn-out injectors can easily become a restrictive bottleneck, leading to dropping fuel pressure, sluggish throttle response, and limited power output under heavy loads. Upgrading to high-flow lift pumps, precision-calibrated injection components, and flow-matched fuel injectors ensures clean combustion, reliable pressure, and maximum performance potential. Shop top-tier diesel fuel system upgrades built for exact factory fitment and extreme-duty durability.

9 Items

**5.9 12v Cummins Mechanical Fuel Pump Block-Off Plate XDP XD469** $34.95
Fits: 5.9 Cummins 1989-2002

Qty

**1-1/2 Inch Filler Neck Return Manifold FASS RM-1004-A** $18.38
Fits: Universal - For Fass Fuel Systems & Other Applications

Qty

**High Flow Adjustable Fuel Pressure Regulator Fass FPR2001** $299.25
California Restricted

Fits: Universal

Qty

**Full Force FFD346 Billet Dual Fuel Filter Header Only** $190.00
Fits: Universal (Filters sold separately)

Qty

**Full Force FFD346 Billet Fuel Filter Header With CAT Filters** $259.49
Fits: Universal

Qty

**Full Force FFD345 Billet Fuel Filter Header Only** $135.00
Fits: Universal (Filters sold separately)

Qty

**Fleece FPE-PL-90-10 90 Degree Push-On Hose Fitting** $14.99
Fits: Universal

Qty

**Titanium Signature Series Ultimate Electric Heater Kit FASS HK1003U** $479.00
Fits: For use with FASS Titanium Series Fuel Pumps

Qty

**5.9 12v Cummins Adjustable Fuel Plate DDP FPLATE** $166.25
California Restricted

Fits: 5.9 Cummins 1994-1998

Qty