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Details
| Specification | Value |
|---|---|
| Brand | MTS |
| MPN | 04.1909 |
| Category | catalyst converter |
| Length [mm] | 700 mm |
| Weight [kg] | 3.2 kg |
OE numbers (2)
Where this part fits
Original-fit position for OE 170643.
About this product
When catalyst converter performance matters, the MTS 04.1909 delivers — built to the same dimensional and material standards as the original part it replaces. The part is built to the following specification: Length [mm]: 700 mm, Weight [kg]: Cast Iron, Aluminium kg, Catalytic Converter Type: 20. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Compatible with CITROËN, PEUGEOT vehicles; use the vehicle selector above to confirm exact fitment for your make, model, and engine variant. Fitment data is sourced from TecDoc, the authoritative European parts catalogue. This part supersedes original equipment references: 081057, 099-299, 100027, 15715 and 13 more. Matching these numbers confirms a like-for-like replacement with no loss of function. MTS is a recognised supplier of automotive replacement components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched with tracked delivery and a 14-day money-back guarantee with hassle-free returns.
Suitable cars
Equivalent products (20)
catalyst converter MTS 04.1909 — compatible car models
| Car models | CITROËN: XSARA Break (N2), XSARA Coupe (N0), XSARA (N1); PEUGEOT: 306 Convertible (7D, N3, N5) |
|---|---|
| Engines | 1.6 i; 1.6 |
| Year of manufacture | 1994-2010 |
| Manufacturer article number (MPN) | 04.1909 |
| OE part numbers | 170643, 173198 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
MTS 04.1909 catalyst converter. Catalytic Converter Type: 20. Length [mm]: 700 mm. Weight [kg]: 3,2 kg
- 1x catalyst converter
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Tracked standard shipping.
- Standard delivery: 5–9 business days
- Order before 5pm — ships the next working day
- Free returns within 14 days
- All parts backed by manufacturer warranty
Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.
Frequently Asked Questions
Is this catalyst converter compatible with my car?
This catalyst converter fits CITROËN, PEUGEOT vehicles. Use the vehicle selector at the top of the page to check exact compatibility — enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.
What specifications does this MTS catalyst converter have?
This MTS catalyst converter has the following specifications: Length [mm]: 700 mm; Weight [kg]: 3,2 kg; Catalytic Converter Type: 20. Check the full specifications table above for complete details.
What OE part numbers does this catalyst converter replace?
This catalyst converter replaces OE part numbers: 170643, 173198. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a catalyst converter cost?
Catalyst converter prices vary depending on brand, specifications, and vehicle compatibility. Check the current price above for this MTS catalyst converter. All parts come with our 14-day money-back guarantee.
How do I know when to replace my catalyst converter?
Regular inspection of your catalyst converter is recommended as part of routine vehicle maintenance. Watch for changes in performance, unusual noises, or visual signs of wear. Consult your vehicle's owner manual for manufacturer-recommended replacement intervals specific to your make and model.
What tools do I need to replace a catalyst converter?
Tools required vary by vehicle make and model. Generally, a basic socket set, screwdrivers, and vehicle-specific tools may be needed. We recommend consulting a workshop manual for your specific vehicle, or having the catalyst converter fitted by a professional mechanic.
Can I use this part as a replacement for OE 170643?
Yes, this MTS catalyst converter is a direct replacement for OE part number 170643. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Is the MTS 04.1909 the same as the MTS 04.3739?
No, while both are catalyst converter parts, they are different products. The MTS 04.1909 has Length [mm]: 700 mm, Weight [kg]: 3,2 kg, Catalytic Converter Type: 20. The MTS 04.3739 may differ in dimensions, fitting position, or material composition. Always verify compatibility with your specific vehicle using our vehicle selector, or contact our customer service team for assistance.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
