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AirDog Boost Compensation Kit for II-5G and Raptor-4G
AirDog AD-BOOSTCOMP routes regulated boost reference air to the compatible pump’s diaphragm regulator to counter pressure drop under load. Setup must be monitored with an in-cab fuel-pressure gauge; uncontrolled boost reference can overpressure and damage the injection system.
Key Features
- For compatible II-5G and Raptor-4G diaphragm regulators
- Adjustable 0–50 psi air regulator
- In-cab fuel-pressure gauge required
- Not a standalone fuel pump or universal boost controller
Fitment
| Detail | Value |
|---|---|
| Compatible application | Compatible AirDog II-5G and Raptor-4G diaphragm-regulated systems only. An in-cab fuel-pressure gauge is required for proper setup. |
Specifications
| Detail | Value |
|---|---|
| Brand | AirDog |
| Manufacturer part number | AD-BOOSTCOMP |
| Product type | Fuel Components Misc |
| Condition | New |
| Reference-air regulator | 0–50 psi |
| Supplied pneumatic line | 15 feet; 1/4 inch |
| Required monitoring | In-cab fuel-pressure gauge, sold separately |
What’s Included
- Air-regulator kit and bracket kit
- Supplied straight and elbow pneumatic fittings
- 15-foot 1/4-inch pneumatic line
About AirDog
PureFlow AirDog develops diesel lift pumps, fuel air-separation systems and installation/service components. Original AirDog, II-5G, Raptor and factory-replacement pump systems use different filtration, mounting and pressure-control arrangements.
Related Parts
- AirDog low-pressure indicator kit
- Browse AirDog, Raptor and DieselRx products — brand browsing, not a compatibility claim
FAQ
What is the AD-BOOSTCOMP?It routes regulated boost reference air to the compatible pump’s diaphragm regulator to counter pressure drop under load. Setup must be monitored with an in-cab fuel-pressure gauge; uncontrolled boost reference can overpressure and damage the injection system.
What application does this version fit?Compatible AirDog II-5G and Raptor-4G diaphragm-regulated systems only. An in-cab fuel-pressure gauge is required for proper setup.
What is included with this listing?Air-regulator kit and bracket kit; Supplied straight and elbow pneumatic fittings; 15-foot 1/4-inch pneumatic line.
Does this replace every similar-looking component?No. Match the product’s function, connections and complete system configuration; appearance alone does not establish compatibility.
How should pressure or electrical setup be selected?Use the actual engine and system requirements in the linked guide. A GPH rating is flow, not pressure; increasing pressure beyond specification can damage the system.
What should be checked before installation?Check the installation location, connections, required tools and supplied components against the exact guide. Do not adapt a different vehicle kit solely because the pump looks similar.
Are additional parts supplied automatically?No. A gauge, sender, additional fittings, separate regulator or complete fuel system is included only when expressly named in What’s Included.
What should be checked before driving?Follow the priming and startup procedure, inspect every fuel and electrical connection, verify pressure with appropriate equipment, and check for leakage and hose abrasion.
Installation Instructions
- Verify the pump has the correct compatible diaphragm-regulator arrangement.
- Fit the regulator-port connector and air-regulator bracket according to the kit guide.
- Route reference air in the marked IN/OUT direction, protecting the line from heat and abrasion.
- Use the required fuel-pressure gauge to set compensation without exceeding the injection system’s permitted pressure.
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