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catalyst converter WALKER 20349 — no image available

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Specs, fitment data and pricing remain accurate.
BrandWALKER
MPN20349
OE refs6
SKU0013-20349
GTIN / EAN3277490203496

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Details

SpecificationValue
BrandWALKER
Categorycatalyst converter
Length [mm]1150 mm
Weight [kg]6,170 kg

OE/OEM numbers (6)

Search by this OE number to find compatible parts

Where this part fits

Original-fit position for OE 6N0253058QX. The red ring marks where this part installs on the vehicle.

exhaust pipe with catalyst              use if required:N   016 161 6N   013 816 5F             >> 6N-VW050 000*F             >> 6N-VY100 000* — 2000 (             >> 6N-YY050 000) — Fuel, exhaust, cooling › 25355
2000 ( >> 6N-YY050 000) · Fuel, exhaust, cooling › 25355Position 2

About this product

Sourced from WALKER, this catalyst converter (20349) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Length [mm]: 1150 mm, Weight [kg]: Plastic, 170 kg, Code Letter: 94, Supplementary Article/Info 2: 515, Guarantee: Cast Iron — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Verified to fit SEAT, VW 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: 04.3340, 099-112, 12.998.62, 20349 and 34 more. Matching these numbers confirms a like-for-like replacement with no loss of function. WALKER 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.

About WALKER

Walker, part of the Tenneco group, is a well-established manufacturer of exhaust system components with decades of engineering experience. Walker specialises in catalytic converters, diesel particulate filters, exhaust pipes, silencers, and flexible connectors. As a supplier meeting strict European emission regulations, Walker products are designed for precise fitment and optimal exhaust gas treatment. With extensive vehicle coverage and products engineered to restore factory exhaust performance, Walker is a dependable choice for exhaust system repairs across all major European vehicle brands.

Suitable cars

Equivalent products (40)

Show all 40 OE numbers
AS33727
AS37863
ASSO58.0040
BM CATALYSTSBM90849
BM CATALYSTSBM90849H
BOSAL099-112£219.99
EBERSPÄCHER12.998.62
EECVK8049
EECVK8049T£149.99
ERNST753142
ERNST754187
FA1MD000055
FABRISCAPEVW37863/C
FENNOP9480CAT
FONOS20349
GT ExhaustsG380236
HJS90 11 5714
HJS96 11 3087
IMASAF71.02.33
KLARIUS321405
KLARIUS321408
KLARIUS321409
KLARIUS380236
KLARIUS380871
LRT7068
MAGNAFLOW88831
MAGNAFLOWK256
MTS04.3340
POLMO23.71£54.99
QUINTON HAZELL321405
QUINTON HAZELL321408
QUINTON HAZELL321409
QUINTON HAZELL380236
QUINTON HAZELL380871
QUINTON HAZELL58.0040
SIGAM20349
SIGAM22136
SIGAM60184
VENEPORTEST63215K
WALKER20349£282.99

catalyst converter WALKER 20349compatible car models

Car modelsSEAT: AROSA (6H1); VW: LUPO I (6X1, 6E1), POLO (6N2), POLO III (6N1)
Engines1.4 16V; 100 1.4 16V
Year of manufacture1994-2005
Manufacturer article number (MPN)20349
OE part numbers6N0253058HV, 6N0253058HX, 6N0253058KV, 6N0253058KX, 6N0253058QX, 6X0253208JX
Compatibility check

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Description and what's included

WALKER 20349 catalyst converter. Code Letter: 94. Guarantee: 3. Length [mm]: 1150 mm. Supplementary Article/Info 2: 515. Weight [kg]: 6,170 kg

What's included:
  • 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 SEAT, VW 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 WALKER catalyst converter have?

This WALKER catalyst converter has the following specifications: Length [mm]: 1150 mm; Weight [kg]: 6,170 kg; Code Letter: 94; Supplementary Article/Info 2: 515; Guarantee: 3. 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: 6N0253058HV, 6N0253058HX, 6N0253058KV, 6N0253058KX, 6N0253058QX, 6X0253208JX. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.

How much does a catalyst converter cost?

This WALKER catalyst converter is available for £282.99. Catalyst converter prices vary depending on brand, specifications, and vehicle compatibility. WALKER 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 6N0253058HV?

Yes, this WALKER catalyst converter is a direct replacement for OE part number 6N0253058HV. 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 WALKER 20349 the same as the WALKER 15870?

No, while both are catalyst converter parts, they are different products. The WALKER 20349 has Length [mm]: 1150 mm, Weight [kg]: 6,170 kg, Code Letter: 94. The WALKER 15870 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.

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