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Details
| Specification | Value |
|---|---|
| Brand | EEC |
| MPN | pt6121t |
| Category | catalyst converter |
| Length [mm] | 460 mm |
| Weight [kg] | 4.5 kg |
OE/OEM numbers (14)
Search by this OE number to find compatible parts
- CITROËN / PEUGEOT—0341L3
- CITROËN / PEUGEOT—0341L6
- CITROËN / PEUGEOT—0341N7
- CITROËN / PEUGEOT—0341N8
- CITROËN / PEUGEOT—0341P9
- CITROËN / PEUGEOT—034LN1
- MINI—18307603400
- MINI—18407559332
- MINI—18407559400
- MINI—18407563247
- MINI—18407568358
- MINI—18407597626
- MINI—18407599503
- MINI—18407603024
Where this part fits
Original-fit position for OE 18407599503. The red ring marks where this part installs on the vehicle.
About this product
Sourced from EEC, this catalyst converter (PT6121T) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Length [mm]: 460 mm, Weight [kg]: Copper, Rubber kg, Emission Standard: Fibreglass — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Verified to fit CITROËN, MINI, PEUGEOT models. All compatibility data is cross-checked against the TecDoc database — select your vehicle to confirm the part matches your specific engine and year. This part supersedes original equipment references: 0341L3, 0341L6, 0341N7, 0341N8 and 15 more. Matching these numbers confirms a like-for-like replacement with no loss of function. EEC 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 from our UK warehouse with a 30-day money-back guarantee and free hassle-free returns.
Suitable cars
Equivalent products (5)
catalyst converter EEC PT6121T — compatible car models
| Car models | CITROËN: BERLINGO Box Body/MPV (B9), BERLINGO MULTISPACE (B9), C3 II (SC), C3 PICASSO (SH), C4 GRAND PICASSO II (DA, DE), C4 II (NC), C4 II Saloon (NC), C4 PICASSO II, C5 III Break (RW), C5 III (RD) (+3 more); MINI: MINI CLUBMAN (R55), MINI Convertible (R57), MINI COUNTRYMAN (R60), MINI Coupe (R58), MINI PACEMAN (R61), MINI (R56), MINI Roadster (R59); PEUGEOT: 2008 I (CU), 207 CC (WD), 207 SW (WK), 207 (WA, WC), 208 I (CA, CC), 3008 I MPV (0U), 308 CC (4B), 308 I (4A, 4C), 308 SW I (4E, 4H), 5008 (0U, 0E) |
|---|---|
| Engines | 1.6 VTi 120; 1.4 LPG; 1.4 VTi 95 LPG (SH8FN0); 1.4 VTi 95 (NC8FP0); 1.6; 1.6 VTI 120; 1.6 VTi 120 (RD5FS8, RD5FSA); 1.4 VTi 95; Cooper; 1.6 VTi; 1.6 16V; 1.4 16V; 1.4 VTi |
| Year of manufacture | 2005-2021 |
| Manufacturer article number (MPN) | PT6121T |
| OE part numbers | 0341L3, 0341L6, 0341N7, 0341N8, 0341P9, 034LN1, 18307603400, 18407559332, 18407559400, 18407563247, 18407568358, 18407597626, 18407599503, 18407603024 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
EEC pt6121t catalyst converter. Emission Standard: 17. Length [mm]: 460 mm. Weight [kg]: 4,5 kg
- 1x catalyst converter
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Express and standard shipping available.
- Standard delivery: 2-5 business days
- Express delivery: 1-2 business days
- 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, MINI, 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 EEC catalyst converter have?
This EEC catalyst converter has the following specifications: Length [mm]: 460 mm; Weight [kg]: 4,5 kg; Emission Standard: 17. 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: 0341L3, 0341L6, 0341N7, 0341N8, 0341P9, 034LN1, 18307603400, 18407559332 and 6 more. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a catalyst converter cost?
This EEC catalyst converter is available for £363.99. Catalyst converter prices vary depending on brand, specifications, and vehicle compatibility. EEC parts offer a balance of quality and value, backed by 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 0341L3?
Yes, this EEC catalyst converter is a direct replacement for OE part number 0341L3. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
