Genuine Cummins 4387659 Male Backflow Connector | DEF Dosing
SKU 4387659
In stock: 1 available · Ships from Kelowna BC
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The Cummins 4387659 is a Genuine Cummins OEM Male Backflow Connector for the DEF (Diesel Exhaust Fluid) aftertreatment dosing unit on EPA13 and Tier 4 engine platforms. As per Cummins Service Bulletin TRP1732, this is the correct connector for specific OEM applications requiring the existing (non-revised) backflow connector. Stocked in Kelowna, BC — AIM Rentals ships Canada-wide.
Specifications
- Part Number: 4387659
- Manufacturer: Cummins Inc.
- Type: Male Backflow Connector (DEF dosing unit)
- Application: EPA13 / Tier 4 ISB 6.7, QSB 4.5/6.7, ISC, ISL, ISX engines
- Condition: New OEM
Fitment
- Cummins ISB6.7, ISC, ISL9, ISX12, ISX15, QSB4.5, QSB6.7, QSF3.8
- Case 821G, Axial-Flow 2377, CX130D, CX160D, CX300B, CX330, CX370D
- Caterpillar 24M Motor Grader
- Champion 720A, 740A
- Dodge Ram 2500/3500 2003–2018
- Freightliner Business Class M2 106, Cascadia
- Hyundai R145LCR-9A, R320LC-7A, Robex 320LC-9/360LC-7A
- International MV Series
- John Deere 310L EP, 3754D, 410L, 870G LC
- Kenworth T680, T880
- Komatsu PC138USLC-11, WA200-7, WA380-6, WA400-6, WA430-6, WA470-6, WA600-6
- Liebherr LTM 1090-4.2
- Manitowoc 14000, Massey Ferguson MF9790
- New Holland E145C, W170C
- Peterbilt 389, 579
- Terex TA27, TC240, TC260
- Volvo L90H, VNL 740/760
- Western Star 4900, 49X, 6900XD
FAQ
Is this the correct backflow connector for my application?
Cummins Service Bulletin TRP1732 specifies the 4387659 for certain OEM applications. Verify your vehicle/equipment OEM against Cummins SB TRP1732 to ensure the correct connector is used.
Is this a genuine Cummins part?
Yes. Cummins 4387659 is a verified Genuine Cummins OEM Male Backflow Connector confirmed through authorized distributors.
Does this fit Dodge Ram trucks?
Yes — the 4387659 fits Dodge Ram 2500 and 3500 trucks with ISB6.7 engines from 2003 to 2018.
Does AIM ship Canada-wide?
Yes — we ship from Kelowna, BC to all Canadian provinces and territories.
| Make | Model | Year | Engine / Spec |
|---|---|---|---|
| [["Cummins","ISB6.7"],["Cummins","ISC"],["Cummins","ISL9"],["Cummins","ISX12"],["Cummins","ISX15"],["Cummins","QSF3.8"],["Cummins","QSB4.5"],["Cummins","QSB6.7"],["Freightliner","Business Class M2 106"],["International","MV Series"],["Dodge","Ram 2500 (2003-2018)"],["Dodge","Ram 3500 (2003-2018)"],["Case","CX130D"],["Case","CX160D"],["Case","821G"],["New Holland","E145C"],["New Holland","W170C"],["Komatsu","WA200-7"],["Komatsu","PC138USLC-11"],["Hyundai","R145LCR-9A"],["John Deere","310L EP"],["John Deere","410L"],["Hyundai","R320LC-7A"],["Hyundai","Robex 320LC-9"],["Case","CX300B"],["Case","CX330"],["Case","AXIAL-FLOW 2377"],["Komatsu","WA380-6"],["Komatsu","WA400-6"],["Terex","TA27"],["Champion","720A"],["Champion","740A"],["Hyundai","Robex 360LC-7A"],["Terex","TC240"],["Terex","TC260"],["Massey Ferguson","MF9790"],["Komatsu","WA430-6"],["Komatsu","WA470-6"],["John Deere","870G LC"],["John Deere","3754D Forwarder"],["Case","CX370D"],["Volvo","L90H"],["Manitowoc","14000"],["Freightliner","Cascadia"],["Kenworth","T680"],["Kenworth","T880"],["Peterbilt","579"],["Peterbilt","389"],["Volvo","VNL 740"],["Volvo","VNL 760"],["Western Star","4900"],["Western Star","49X"],["Western Star","6900XD"],["Komatsu","WA600-6"],["Caterpillar","24M Motor Grader"],["Liebherr","LTM 1090-4.2"]] | |||
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