FPII

FPII

AirDog® FPII 4G Fuel Air Separation System

When you are ready to optimize your heavy-duty diesel system, to perform at peak efficiency, look no further than AirDog® Heavy Duty Diesel Fuel Systems, manufactured by PureFlow™ Technologies, Inc., in the heart of Missouri.

Many AirDog® products are designed specifically for the most popular commercial and industrial diesel engines. See the list below for the engine-specific system for your application. Don’t see exactly what you’re looking for? PureFlow™ also offers Universal Kits, in various pump pressures and flows, adaptable to almost any commercially available diesel engines in service for trucking, industrial, off-highway (agriculture, mining, and construction), marine, and other applications.

All of our products are designed specifically for many of the most popular diesel engines manufactured in the US. We pride ourselves on our superior customer service and complete kits available to our customers. When you are looking to reduce the effects of fuel tank sloshing, improve engine performance, and provide superior filtration of fuel to your engine, the AirDog® fuel pressure system is what you need.

Shop all of our great AirDog® products today to help increase the efficiency and lifetime of your diesel engine. Whether you own a small trucking fleet or work in an agricultural market, we guarantee you will love the boost our products offer. If you have any questions or are ready to place an order, please contact us at 1-877-463-4373.

The Pre-Combustion Solution for Maximum Engine Efficiency! The AirDog® FPII 4G Fuel Air Separation System is the state of the art fuel processor that removes, not only water and particulate contaminates from the fuel flow to the engine, but most importantly, it removes the entrained air and vapor. Additionally, the AirDog® maintains the necessary net positive pressure to the engine fuel pump to prevent cavitation and the formation of vapor. The dual-port design feeds the gerotor from both sides, which hydraulically balances the outer gear. These special features provide the quietest and most durable fuel pumps on the market. The dash-mounted indicator light, lets you know when to change the filter without waste of filter life or fuel economy. No more guessing! The stainless steel adjustable pressure regulator is part of the demand flow system that recycles the fuel not needed by the engine back to the water separator and through the filter for continuous multi-pass filtration. The patented AirDog® is the only fuel air separation system with third-party verified positive air separation. Our patented air bleed port vents the separated air and vapor from the fuel with a barely measurable pressure drop or loss of flow. The AirDog® air and vapor return line connects to the engine return line with engine specific fittings, making installation quick, easy, and cost-effective.

*For AirDog® products for up to 1-ton pickup trucks, click here for the Light Duty Systems site.**

SKU: A3SPBT401

This kit includes (1) AirDog® FPII-150 4G Demand Flow System, (1) FF200-MG-6 Fuel Filter, (1) WS200-WS Water Separator, (1) 5E-2-010 Wiring Harness with Indicator Light, (2) Mounting Brackets with Hardware, 7ft of DOT Air/Vapor Return Line, and (1) CAT 3406A, B, & C Engine-Specific Fitting Kit (all fittings needed in most cases).

Bracket Option: Sandwich Bracket Kit $95 (Part # SBK-1000). This kit includes (3) sandwich mounting plates and all needed hardware. The sandwich bracket slides right over the existing frame with no drilling required.

The AirDog® FPII-150 4G uses the AirDog® FF200-MG-6 or equivalent fuel filter and WS200-WS or equivalent water separator. For maximum performance, use of the PureFlow™ WS200-WS and FF200-MG-6 are recommended, as the filters were designed for use with the AirDog® system. For filter cross reference info, click here.

UPC: 810025913205

Weight 36 lbs
Dimensions 22 × 15 × 9 in

SKU: A3SPBT451

This kit includes (1) AirDog® FPII-200 4G Demand Flow System, (1) FF200-MG-6 Fuel Filter, (1) WS200-WS Water Separator, (1) 5E-2-010 Wiring Harness with Indicator Light, (2) Mounting Brackets with Hardware, 7ft of DOT Air/Vapor Return Line, and (1) CAT 3406E, C10-13, C15, C16, & C18 Engine-Specific Fitting Kit (all fittings needed in most cases).

Optional Kits Available:
– Performance Upgrade Kit $258 (Part # UPG-CAFS). This kit includes steel braid fuel line and provides maximum improved performance for your CAT engine (Caterpillar 3406E, C10-13, C15, C16, & C18).
– Sandwich Bracket Kit $95 (Part # SBK-1000). This kit includes (3) sandwich mounting plates and all needed hardware. The sandwich bracket slides right over the existing frame with no drilling required.

The AirDog® FPII-200 4G uses the AirDog® FF200-MG-6 or equivalent fuel filter and WS200-WS or equivalent water separator. For maximum performance, use of the PureFlow™ WS200-WS and FF200-MG-6 are recommended, as the filters were designed for use with the AirDog® system. For filter cross reference info, click here.

UPC: 810025913274

Weight 37 lbs
Dimensions 22 × 15 × 9 in

SKU: A3SPBT402

This kit includes (1) AirDog® FPII-200 4G Demand Flow System, (1) FF200-MG-6 Filter, (1) WS200-WS, (1) 5E-2-010 Wiring Harness with Indicator Light, (2) Mounting Brackets with Hardware, 7ft of DOT Air/Vapor Return Line, and (1) Cummins N14 (with Pump Mount Filter) Engine-Specific Fitting Kit (all fittings needed in most cases).

Bracket Option: Sandwich Bracket Kit $95 (Part # SBK-1000). This kit includes (3) sandwich mounting plates and all needed hardware. The sandwich bracket slides right over the existing frame with no drilling required.

The AirDog® FPII-200 4G uses the AirDog® FF200-MG-6 or equivalent fuel filter and WS200-WS or equivalent water separator. For maximum performance, use of the PureFlow™ WS200-WS and FF200-MG-6 are recommended, as the filters were designed for use with the AirDog® system. For filter cross reference info, click here.

UPC: 810025913212

Weight 37 lbs
Dimensions 22 × 15 × 9 in

SKU: A3SPBT404

This kit includes (1) AirDog® FPII-200 4G Demand Flow System, (1) FF200-MG-6 Fuel Filter, (1) WS200-WS Water Separator, (1) 5E-2-010 Wiring Harness with Indicator Light, (2) Mounting Brackets with Hardware, 7ft of DOT Air/Vapor Return Line, and (1) Cummins N14 (with Remote Mount Filter) Engine-Specific Fitting Kit (all fittings needed in most cases).

Bracket Option: Sandwich Bracket Kit $95 (Part # SBK-1000). This kit includes (3) sandwich mounting plates and all needed hardware. The sandwich bracket slides right over the existing frame with no drilling required.

The AirDog® FPII-200 4G uses the AirDog® FF200-MG-6 or equivalent fuel filter and WS200-WS or equivalent water separator. For maximum performance, use of the PureFlow™ WS200-WS and FF200-MG-6 are recommended, as the filters were designed for use with the AirDog® system. For filter cross reference info, click here.

UPC: 810025913236

Weight 36 lbs
Dimensions 22 × 15 × 9 in

SKU: A3SPBT452

This kit includes (1) AirDog® FPII-200 4G Demand Flow System, (1) FF200-MG-6 Fuel Filter, (1) WS200-WS Water Separator, (1) 5E-2-010 Wiring Harness with Indicator Light, (2) Mounting Brackets with Hardware, 7ft of DOT Air/Vapor Return Line, and (1) Cummins ISX & Signature 600 Engine-Specific Fitting Kit (all fittings needed in most cases).

Bracket Option: Sandwich Bracket Kit $95 (Part # SBK-1000). This kit includes (3) sandwich mounting plates and all needed hardware. The sandwich bracket slides right over the existing frame with no drilling required.

The AirDog® FPII-200 4G uses the AirDog® FF200-MG-6 or equivalent fuel filter and WS200-WS or equivalent water separator. For maximum performance, use of the PureFlow™ WS200-WS and FF200-MG-6 are recommended, as the filters were designed for use with the AirDog® system. For filter cross reference info, click here.

UPC: 810025913281

Weight 37 lbs
Dimensions 22 × 15 × 9 in

SKU: A3SPBT453

This kit includes (1) AirDog® FPII-200 4G Demand Flow System, (1) FF200-MG-6 Fuel Filter, (1) WS200-WS Water Separator, (1) 5E-2-010 Wiring Harness with Indicator Light, (2) Mounting Brackets with Hardware, 7ft of DOT Air/Vapor Return Line, and (1) Cummins ISX15 Common Rail & X15 Engine-Specific Fitting Kit (all fittings needed in most cases).

Bracket Option: Sandwich Bracket Kit $95 (Part # SBK-1000). This kit includes (3) sandwich mounting plates and all needed hardware. The sandwich bracket slides right over the existing frame with no drilling required.

The AirDog® FPII-200 4G uses the AirDog® FF200-MG-6 or equivalent fuel filter and WS200-WS or equivalent water separator. For maximum performance, use of the PureFlow™ WS200-WS and FF200-MG-6 are recommended, as the filters were designed for use with the AirDog® system. For filter cross reference info, click here.

UPC: 810025913298

Weight 37 lbs
Dimensions 22 × 15 × 9 in

SKU: A3SPBT405

This kit includes (1) AirDog® FPII-150 4G Demand Flow System, (1) FF200-MG-6 Fuel Filter, (1) WS200-WS Water Separator, (1) 5E-2-010 Wiring Harness with Indicator Light, (2) Mounting Brackets with Hardware, 7ft of DOT Air/Vapor Return Line, and (1) Detroit Series 60 (1987-2002) Engine-Specific Fitting Kit (all fittings needed in most cases).

Bracket Option: Sandwich Bracket Kit $95 (Part # SBK-1000). This kit includes (3) sandwich mounting plates and all needed hardware. The sandwich bracket slides right over the existing frame with no drilling required.

The AirDog® FPII-150 4G uses the AirDog® FF200-MG-6 or equivalent fuel filter and WS200-WS or equivalent water separator. For maximum performance, use of the PureFlow™ WS200-WS and FF200-MG-6 are recommended, as the filters were designed for use with the AirDog® system. For filter cross reference info, click here.

UPC: 810025913243

Weight 37 lbs
Dimensions 22 × 15 × 9 in

SKU: A3SPBT403

This kit includes (1) AirDog® FPII-150 4G Demand Flow System, (1) FF200-MG-6 Fuel Filter, (1) WS200-WS Water Separator, (1) 5E-2-010 Wiring Harness with Indicator Light, (2) Mounting Brackets with Hardware, 7ft of DOT Air/Vapor Return Line, and (1) Detroit Series 60 (2003-2009) Engine-Specific Fitting Kit (all fittings needed in most cases).

Optional Kits Available:
Performance Upgrade Kit $206 (Part # UPG-DEFS). This kit includes steel braid fuel line and provides maximum improved performance for your Detroit Diesel Series 60® Engine (1987-2009).
Sandwich Bracket Kit $95 (Part # SBK-1000). This kit includes (3) sandwich mounting plates and all needed hardware. The sandwich bracket slides right over the existing frame with no drilling required.

The AirDog® FPII-150 4G uses the AirDog® FF200-MG-6 or equivalent fuel filter and WS200-WS or equivalent water separator. For maximum performance, use of the PureFlow™ WS200-WS and FF200-MG-6 are recommended, as the filters were designed for use with the AirDog® system. For filter cross reference info, click here.

UPC: 810025913229

Weight 37 lbs
Dimensions 22 × 15 × 9 in

SKU: A3SPBT407

This kit includes (1) AirDog® FPII-200 4G Demand Flow System, (1) FF200-MG-6 Fuel Filter, (1) WS200-WS Water Separator, (1) 5E-2-010 Wiring Harness with Indicator Light, (2) Mounting Brackets with Hardware, 7ft of DOT Air/Vapor Return Line, and (1) Paccar MX13 Engine-Specific Fitting Kit (all fittings needed in most cases).

Bracket Option: Sandwich Bracket Kit $95 (Part # SBK-1000). This kit includes (3) sandwich mounting plates and all needed hardware. The sandwich bracket slides right over the existing frame with no drilling required.

The AirDog® FPII-200 4G uses the AirDog® FF200-MG-6 or equivalent fuel filter and WS200-WS or equivalent water separator. For maximum performance, use of the PureFlow™ WS200-WS and FF200-MG-6 are recommended, as the filters were designed for use with the AirDog® system. For filter cross reference info, click here.

UPC: 810025913267

Weight 37 lbs
Dimensions 22 × 15 × 9 in

SKU: A3SPBT406

This kit includes (1) AirDog® FPII-150 4G Demand Flow System, (1) FF200-MG-6 Fuel Filter, (1) WS200-WS Water Separator, (1) 5E-2-010 Wiring Harness with Indicator Light, (2) Mounting Brackets with Hardware, 10 Feet of 3/8″ Low Pressure DOT Air/Vapor Return Line, and (1) Volvo VED-12, D11, D12, D13, D16, Mack MP7 & MP8 Engine-Specific Fitting Kit (all fittings needed in most cases).

**For engines WITH a frame-mounted fuel/water separator (such as a DAVCO).**

Bracket Option: Sandwich Bracket Kit $95 (Part # SBK-1000). This kit includes (3) sandwich mounting plates and all needed hardware. The sandwich bracket slides right over the existing frame with no drilling required.

The AirDog® FPII-150 4G uses the AirDog® FF200-MG-6 or equivalent fuel filter and WS200-WS or equivalent water separator. For maximum performance, use of the PureFlow™ WS200-WS and FF200-MG-6 are recommended, as the filters were designed for use with the AirDog® system. For filter cross reference info, click here.

UPC: 810025913250

Weight 37 lbs
Dimensions 22 × 15 × 9 in

SKU: A3SPBT412

This kit includes (1) AirDog® FPII-150 4G Demand Flow System, (1) FF200-MG-6 Fuel Filter, (1) WS200-WS Water Separator, (1) 5E-2-010 Wiring Harness with Indicator Light, (2) Mounting Brackets with Hardware, 10 Feet of 3/8″ Low Pressure DOT Air/Vapor Return Line, 8 Feet of 1/2″ Low Pressure DOT Air/Vapor Return Line, and (1) Volvo VED-12, D11, D12, D13, D16, Mack MP7 & MP8 Engine-Specific Fitting Kit (all fittings needed in most cases).

**For engines WITHOUT a frame-mounted fuel/water separator.**

Bracket Option: Sandwich Bracket Kit $95 (Part # SBK-1000). This kit includes (3) sandwich mounting plates and all needed hardware. The sandwich bracket slides right over the existing frame with no drilling required.

The AirDog® FPII-150 4G uses the AirDog® FF200-MG-6 or equivalent fuel filter and WS200-WS or equivalent water separator. For maximum performance, use of the PureFlow™ WS200-WS and FF200-MG-6 are recommended, as the filters were designed for use with the AirDog® system. For filter cross reference info, click here.

UPC: 810025913366

Weight 37 lbs
Dimensions 22 × 15 × 9 in

SKU: A3SPBT460

This kit includes (1) AirDog® FPII-125 4G Demand Flow System, (1) FF100-2 Fuel Filter, (1) WS100 Water Separator, (1) 5E-2-010 Wiring Harness with Indicator Light, (2) Mounting Brackets with Hardware, 30ft of ½” DOT Fuel Line, and (1) Non-Engine-Specific (Universal) Fitting Kit (adaptable to most applications).

Bracket Option: Sandwich Bracket Kit $95 (Part # SBK-1000). This kit includes (3) sandwich mounting plates and all needed hardware. The sandwich bracket slides right over the existing frame with no drilling required.

The AirDog® FPII-125 4G uses the AirDog® FF100-2 or equivalent fuel filter and WS100 or equivalent water separator. For maximum performance, use of the PureFlow™ FF100-2 and WS100 are recommended, as the filters were designed for use with the AirDog® system. For filter cross reference info, click here.

UPC: 810025913304

Weight 28 lbs
Dimensions 22 × 15 × 9 in

SKU: A3SPBT461

This kit includes (1) AirDog® FPII-150 4G Demand Flow System, (1) FF200-MG-6 Fuel Filter, (1) WS200-WS Water Separator, (1) 5E-2-010 Wiring Harness with Indicator Light, (2) Mounting Brackets with Hardware, 30ft of ½” DOT Fuel Line, and (1) Non-Engine-Specific (Universal) Fitting Kit (adaptable to most applications).

Bracket Option: Sandwich Bracket Kit $95 (Part # SBK-1000). This kit includes (3) sandwich mounting plates and all needed hardware. The sandwich bracket slides right over the existing frame with no drilling required.

The AirDog® FPII-150 4G uses the AirDog® FF200-MG-6 or equivalent fuel filter and WS200-WS or equivalent water separator. For maximum performance, use of the PureFlow™ WS200-WS and FF200-MG-6 are recommended, as the filters were designed for use with the AirDog® system. For filter cross reference info, click here.

UPC: 810025913311

Weight 28 lbs
Dimensions 22 × 15 × 9 in

SKU: A3SPBT462

This kit includes (1) AirDog® FPII-200 4G Demand Flow System, (1) FF200-MG-6 Fuel Filter, (1) WS200-WS Water Separator, (1) 5E-2-010 Wiring Harness with Indicator Light, (2) Mounting Brackets with Hardware, 30ft of ½” DOT Fuel Line, and (1) Non-Engine-Specific (Universal) Fitting Kit (adaptable to most applications).

Bracket Option: Sandwich Bracket Kit $95 (Part # SBK-1000). This kit includes (3) sandwich mounting plates and all needed hardware. The sandwich bracket slides right over the existing frame with no drilling required.

The AirDog® FPII-200 4G uses the AirDog® FF200-MG-6 or equivalent fuel filter and WS200-WS or equivalent water separator. For maximum performance, use of the PureFlow™ WS200-WS and FF200-MG-6 are recommended, as the filters were designed for use with the AirDog® system. For filter cross reference info, click here.

UPC: 810025913328

Weight 28 lbs
Dimensions 22 × 15 × 9 in

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