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SKU: A7SPBD338 / UPC: 813094015382
PureFlow AirDog A7SPBD338 II-5G 89-93 Dodge 12V 5.9L Cummins DF-100-5G
The PureFlow AirDog II-5G DF-100-5G is a complete fuel air separation system designed for 1989-1993 Dodge Ram trucks with 12V 5.9L Cummins diesel engines. It replaces the factory lift pump and filter assembly to deliver 100% air-free, vapor-free, and water-free fuel directly to the injectors. This system increases horsepower, torque, and fuel economy while extending injector life through consistent fuel pressure up to 100 PSI.
Key Features
- Air Separation Technology – Eliminates 100% of air, vapor, and water from diesel fuel for smoother engine operation
- 125 GPH Flow Rate – Supports stock engines up to 750 HP applications with ample fuel delivery
- Adjustable Pressure – Preset intermediate pump at 55-60 PSI, adjustable up to 80 PSI for custom tuning
- 100 PSI Max Pressure – Maintains 90 PSI at injectors with built-in bypass valve for reliability
- Direct-Fit Design – Bolt-on replacement with no tank modifications or return line changes required
- Pressure Gauge Included – Real-time monitoring for easy diagnostics and maintenance
Specifications
| Detail | Value |
|---|---|
| Brand | PureFlow AirDog |
| Type | Fuel Air Separation System |
| Compatibility | 1989-1993 Dodge Ram 2500/3500 5.9L 12V Cummins Diesel |
| Part Number | DF-100-5G |
| Flow Rate | 125 GPH |
| Max Pressure | 100 PSI |
| Weight | 17 lbs |
| Shipping Dimensions | 24" x 14" x 10" |
| Country of Origin | United States |
| Warranty | Lifetime Limited |
Whats Included
- AirDog II-5G assembly with motor and pressure gauge
- Mounting bracket and rod ends
- Convoluted fuel hose and separators
- Weld-on bung kit
- Electrical harness and relay
- Hardware pack with clamps and fittings
- Inline filter and frame
Product Notes
- Complete replacement for OEM lift pump and filters
- Installs in 2-4 hours with basic tools
- Requires clean diesel fuel for optimal performance
This Part Fits
| Year Range | Make | Model | Notes |
|---|---|---|---|
| 1989-1993 | Dodge | Ram 2500 Pickup | 5.9L 12V Cummins Diesel |
| 1989-1993 | Dodge | Ram 3500 Pickup | 5.9L 12V Cummins Diesel |
| 1989-1993 | Dodge | W250 Pickup | 5.9L 12V Cummins Diesel |
| 1989-1993 | Dodge | W350 Pickup | 5.9L 12V Cummins Diesel |
Why Choose PureFlow AirDog?
- Delivers consistent air-free fuel to prevent injector damage
- Handles high-performance builds up to 750 HP
- Improves throttle response and fuel economy
- Backed by lifetime limited warranty for long-term confidence
Frequently Asked Questions
- Q: Will this fit my 1991 Dodge Ram 2500 Cummins?
- A: Yes it fits all 1989-1993 Dodge Ram 2500/3500 models with 5.9L 12V Cummins diesel engines.
- Q: Does it require any vehicle modifications?
- A: No major modifications needed. it's a direct bolt-on replacement for the stock system.
- Q: What is the warranty coverage?
- A: Lifetime limited warranty covers the AirDog II-5G against defects in materials and workmanship.
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Heavy-duty corrugated box with foam protection
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