Catalytic Converter1731Z9

Citroën and Peugeot OE number, as listed in aftermarket supplier catalogues. Compare listings for this exact number, then confirm the part number and vehicle fitment before ordering.

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Checked 2026-10-22 03:45 UTC

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Aftermarket part numbers

Supplier articles whose catalogue lists 1731Z9. Check the supplier’s own restrictions before ordering. A fitment condition under a part number is one its supplier names for at least one of the vehicles the part is listed for, not for all of them: a vehicle’s page shows which apply to it.

What these parts’ suppliers state

Each value belongs to the part number beside it, not to the OE number: parts that list one OE number can differ. Where your vehicle manufacturer gives a value, it takes precedence.

Specification	Value and the part numbers stating it
Fitting position	Front BOSAL 090-536, HELLA 8LE 366 052-291, IMASAF 56.31.33

BOSAL: 090-536Supplementary Article/Supplementary Info 2: with attachment parts Emissions Standard: Euro 3Fitting position: FrontFitment conditions:Catalytic Converter Type: for vehicles with catalytic converter Transmission Type: Automatic Transmission Construction Year from: 03.2001
HELLA: 8LE 366 052-291Emissions Standard: Euro 4 Multi-piece: one-piece Supplementary Article/Supplementary Info 2: with attachment parts Quantity Unit: Kit
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Fitting position: FrontFitment conditions:Engine Code: RFN (EW10J4) Construction Year from: 03.2001, 04.2002, 10.2002, 11.2002, 10.2004, 11.2004 Construction Year to: 09.2002, 10.2002, 09.2004, 10.2004 Transmission Type: 4-Speed Automatic Transmission, 5-Speed Manual Transmission Emissions Standard: Euro 3 for RPO number from: 09449, 10185 for RPO number up to: 09448, 10184 City of vehicle production: Mulhouse, Sochaux for DAM number from: 0949288, 0949289, 1022977, 1025589 for DAM number to: 0949188, 0949189, 1022877, 1025589 Vehicle Production Country: Argentina, France
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HJS: 82 22 4452EU General Product Safety Regulation (GPSR): IEC 60417-6183 mechanical expertise requiredFitment conditions:Engine Code: 6FZ (EW7J4), RFN (EW10J4), RFR (EW10J4) Construction Year from: 05.1999, 11.2000, 01.2001, 04.2001 Construction Year to: 02.2002, 11.2003, 05.2004, 06.2004, 11.2004 Vehicle type: N7
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IMASAF: 56.31.33Supplementary Article/Supplementary Info 2: with attachment parts Length: 775 mm Weight: 3.5 kgFitting position: Front

Vehicle fitment

Engine code and production dates decide fitment. Model name and year alone don’t.

15 vehicles in 11 model series, inferred

Aftermarket parts that list 1731Z9 fit these vehicles according to their supplier catalogues. That does not prove 1731Z9 itself fits every one: check the engine code, production dates and the supplier’s restrictions on the model series’ vehicle pages.

Citroën

4 model series · 4 vehicles

Citroën model series inferred from aftermarket parts
Model series	Production	Engine codes	HSN / TSN
C4 I 2004–20141 vehicle	09/2004 – 07/2007	EW10J4 (RFN)	3001 / 850, 857, AAM
Xsara1 vehicle1 of them: some versions only	09/2000 – 03/2005	EW10J4 (RFN)	3001 / 744
Xsara Break1 vehicle	09/2000 – 08/2005	EW10J4 (RFN)	3001 / 745
Xsara Picasso1 vehicle	09/1999 – 08/2005	EW7J4 (6FZ)	3001 / 726

Peugeot

7 model series · 11 vehicles

Peugeot model series inferred from aftermarket parts
Model series	Production	Engine codes	HSN / TSN
3071 vehicle	03/2001 – 06/2005	EW10J4 (RFN)	3003 / 543
307 CC1 vehicle	10/2003 – 06/2005	EW10J4 (RFN)	3003 / 106
307 SW1 vehicle	04/2002 – 01/2008	EW10J4 (RFN)	3003 / 570
308 II SW2 vehicles	02/2015 – 06/2021	EP6FADTX (5GG), EP6FDTX (5GT)	3003 / AUU, AZH
4062 vehicles	01/1997 – 06/2004	EW10J4 (RFN), EW10J4 (RFR)	3003 / 515, 888
406 Coupé2 vehicles	01/1999 – 12/2004	EW10J4 (RFN), EW10J4 (RFR), XU10J4R (RFV)	3003 / 517, 890
406 SW2 vehicles	02/1997 – 10/2004	EW10J4 (RFN), EW10J4 (RFR)	3003 / 516, 889

Catalytic Converter1731Z9

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