Truck Services
Aftertreatment & Emissions
DPF, DEF, SCR, EGR, exhaust and diesel emissions-system diagnostics and repair.
Capabilities
Aftertreatment & Emissions
Service capabilities are organized from ITTR's current service catalog. Specific repairs depend on equipment configuration and condition.
DPF Filter ReplacementService available. Pricing is provided after vehicle-specific inspection/parts identification.
- Emissions System General ServiceNational avg. $850
- Exhaust General ServiceNational avg. $850
- Catalytic ConverterNational avg. $850
- Clean 7th / seventh injector tipNational avg. $350
- Clean DEF doser valve$60.86
- Clean/ Remove install DPF filter GHG21 DD15GEN5-CRB$576.51
- Early Fuel Evaporation (EFE) ValveNational avg. $850
- Exhaust Clamp$174.10
- Exhaust Crossover PipeNational avg. $850
- Exhaust FlangeNational avg. $850
- Exhaust HangerNational avg. $850
- Exhaust ManifoldNational avg. $850
- Exhaust Manifold Gasket SetNational avg. $850
- Exhaust PipeNational avg. $850
- Flange Stud and NutNational avg. $850
- Intermediate PipeNational avg. $850
- Manifold Heat RiserNational avg. $850
- MufflerNational avg. $850
- Perform parked regen$101.36
- Repair Exhaust leak$681.04
- Replace 7th / seventh injector Volvo VNL 2018+$221.07
- Replace aftertreatment One box Volvo VNL 2018+National avg. $6,500
- Replace AHI (Aftertreatment Hydrocarbon Injector) Module Volvo VNL 2018+$683.75
- Replace DEF doser valve/Metering unit Freightliner Cascadia 2018+National avg. $500
- Replace DEF filler neck Freightliner Cascadia 2018+$139.13
- Replace DEF level sensor Volvo VNL 2018+National avg. $850
- Replace DEF pump$926.25
- Replace DEF pump filterNational avg. $850
- Replace DEF tank cap Volvo VNL 2018+ (aftermarket)$55.00
- REPLACE DELTA-P SENSOR/ EGR differential pressure sensor VOLVO VNL$259.76
- Replace DOC temp sensorNational avg. $850
- Replace DPF filter DD15GHG17ATPrice after vehicle-specific inspection
- Replace DPF filter GHG21Price after vehicle-specific inspection
- Replace DPF filtersPrice after vehicle-specific inspection
- Replace DPF outlet temperature sensorPrice after vehicle-specific inspection
- Replace EGR cooler Freghtliner cascadia DD15 GEN5 2018+$2,568.61
- Replace EGR cooler hose Freghtliner cascadia 2018+$95.51
- Replace EGR cooler seal kit Freghtliner cascadia 2018+$507.96
- Replace exhaust back pressure sensor Volvo VNL 2018+$165.63
- Replace exhaust flex pipe after turbo VOLVO VNLNational avg. $850
- Replace Exhaust Gas Recirculation (EGR) Valve$1,298.31
- Replace Exhaust Gas Recirculation (EGR) Valve D13 VOLVO VNLNational avg. $850
- Replace Exhaust manifold DD15 GHG17$850.12
- Replace HC (hydrocarbon) doserNational avg. $500
- Replace inlet NOx sensor$587.32
- Replace inlet NOx sensor Volvo VNL 2018+$627.71
- Replace Manifold Pressure (Boost) SensorNational avg. $850
- Replace one box/ onebox 2x short straps Volvo VNL 2018+$256.58
- Replace outlet NOx sensor$636.42
- Replace soot sensor$569.12
- Replace Volvo Doser Injector Sealing Plate$91.75
- ResonatorNational avg. $850
- Tail PipeNational avg. $850
Pricing examples only — not a quote or guaranteed price. Prices labeled “National avg.” are approximate U.S. market benchmarks based on published 2026 heavy-duty repair pricing and national shop-rate data. Actual pricing can vary substantially by make, model, configuration, parts choice, corrosion, access, diagnosis, region, taxes, fees and additional work. ITTR’s vehicle-specific written estimate or authorized work order controls.