AHI Air Pressure Regulator | Volvo / Mack | Volvo 21243502 | FleetRun FR-AFTR961

$144.99

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6 Month / 50,000 Mile Warranty

Part Number

  • FleetRun: FR-AFTR961

Cross Reference Part Number

  • Volvo: 21243502
  • Dorman: 904-7928
  • Bendix: K028994 

Specifications

  • RV-3 Pressure Reducing Valve
  • 1/4" Supply Port
  • 1/4" Delivery Port
  • Regulated Output Pressure: 37 PSI
  • 2 Mounting Bolt Holes

Please note: this is an aftermarket part, the use of other manufacturer's names, part numbers or trademarks is for informational purposes only.

Please verify OEM part numbers before purchasing, FleetRun assumes no liability related to product use and fitment.

Looking for a high-quality Aftertreatment Fuel Injector kit for your Volvo or Mack heavy-duty truck? Look no further than FleetRun's FR-AFTR961 part! Our kit is designed with quality in mind and meets or exceeds OEM standards. With a regulated output pressure of 37 PSI and easy installation, our kit is the perfect solution for your truck's emissions control needs. Plus, our AHI gasket kits eliminate the need for unnecessary bolts and spacers, saving you money on parts. Trust FleetRun for all your aftertreatment and emissions control needs!

What Is An Aftertreatment Fuel Injector?

An Aftertreatment Hydrocarbon Injector (AHI); otherwise known as a 7th injector or an Aftertreatment Fuel Injector plays a key role in an emissions compliant heavy duty trucks DPF regeneration process. Once the AHI receives a signal from the engines ECM it sprays diesel fuel accordingly into the exhaust stream therefore creating a major increase in exhaust temperature allowing the truck to complete the DPF regeneration. 


Common Issues

Although the Aftertreatment Fuel Injector may work thoroughly to increase exhaust temperature, they have common issues of getting face plugged at the injection ports causing all sorts of problems with the aftertreatment system of the truck. Many engine manufacturers recommend cleaning intervals to prevent this issue from getting out of hand. Every time an injector is cleaned it is necessary to purchase a gasket kit which often times includes unnecessary bolts and spacers that are not cost effective. Purchasing FleetRun AHI gasket kits eliminates that issue by providing just the gasket and isolator which can save individuals and fleets more money on parts. 

Engines

  • Volvo D11
  • Volvo D13
  • Mack MP7
  • Mack MP8

Vehicles

  • 2013-2023+ Volvo VNL
  • 2013-2023+ Volvo VNM
  • 2013-2023+ Volvo VNR
  • 2013-2023+ Volvo VN Series
  • 2013-2023+ Mack Pinnacle
  • 2013-2023+ Mack Granite
  • 2017-2023+ Mack Anthem
  • 043-007-165
  • For other information such as tips and tricks or troubleshooting from technicians and shops visit our Shop Talk page from our menu
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