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catalyst converter WALKER 21791 — no image available

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BrandWALKER
MPN21791
OE refs31
SKU0013-21791
GTIN / EAN3277490217912

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Details

SpecificationValue
BrandWALKER
Categorycatalyst converter
Length [mm]953 mm
Weight [kg]4,750 kg

OE numbers (31)

Search by this OE number to find compatible parts

Where this part fits

Original-fit position for OE 1046100. The red ring marks where this part installs on the vehicle.

Catalyst Assy; EEC U; Not For New Vehicle Warranty Repairs; 1.6L Zetec-E; (-)"TR" — F Engine Assemblies Mounted On Body — F04 Engine Assemblies Mounted On Body.Exhaust System And Heat Shields › F04040 Exhaust System;
F Engine Assemblies Mounted On Body · F04 Engine Assemblies Mounted On Body.Exhaust System And Heat Shields › F04040 Exhaust System;Position 1

About this product

WALKER catalyst converter (21791) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Technical specifications — Length [mm]: 953 mm, Weight [kg]: Copper, 750 kg, Code Letter: 93, 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. Compatible with FORD 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: 04.093.60, 04.1729, 04.1731, 098-249 and 76 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 with tracked delivery and a 14-day money-back guarantee with 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 (53)

Show all 53 OE numbers
AS20047
AS20051
ASSO14.0008
BM CATALYSTSBM90008
BM CATALYSTSBM90008H
BOSAL098-249
BOSAL099-249£166.99
EBERSPÄCHER04.093.60
EBERSPÄCHER14.1.09
EBERSPÄCHER14.1.19
EBERSPÄCHER14.1.42
EBERSPÄCHERK 04.093.60
EBERSPÄCHERK 04.495.61
EBERSPÄCHERK 04.797.61
EBERSPÄCHERK 04.893.60
EECFR8006
EECFR8006T£133.99
EECFR8017
ERNST751025
ERNST755566
FABRISCAPEFD20047/C
FABRISCAPEFD20051/C
FaureciaFS30480K
FENNOP247CAT
FONOS21791
GT ExhaustsG321030
GT ExhaustsG380001
HJS90 15 5402
HJS90 15 5427
HJS90 15 5428
HJS90 15 6427
HJS91 11 4073
HJS91 15 4517
HJS95 15 4947
HJS95 15 4960
HJS95 15 6881
IMASAF37.28.33
JP GROUP1520300500
KLARIUS321030
KLARIUS380001
LRT7216
MAGNAFLOW82512
MAGNAFLOW82514
MAGNAFLOWK001
MTS04.1729
MTS04.1731
QUINTON HAZELL14.0008
QUINTON HAZELL321030
QUINTON HAZELL380001
SIGAM25115
SIGAM25160
VENEPORTEFD30480K
WALKER21791£292.99

catalyst converter WALKER 21791compatible car models

Car modelsFORD: ESCORT CLASSIC (AAL, ABL), ESCORT CLASSIC Turnier (ANL), ESCORT V (AAL, ABL), ESCORT V Convertible (ALL, BJ2), ESCORT VI Convertible (ALL), ESCORT VI (GAL, AAL, ABL), ESCORT VI Saloon (GAL, AFL), ESCORT VI Turnier (GAL, ANL), ESCORT V Saloon (AFL), ESCORT V Turnier (ANL) (+1 more)
Engines1.6 16V; 1.6 i 16V; 1.6 16V XR3i
Year of manufacture1990-2002
Manufacturer article number (MPN)21791
OE part numbers1032555, 1032557, 1032656, 1039104, 1039138, 1042946, 1046096, 1046100, 1046106, 1046107, 1046110, 1094157, 1114053, 1231995, 1689935, 2U2J5E212BG1A, 6701073, 6933347, 6946409, 6946411 (+11 more)
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Description and what's included

WALKER 21791 catalyst converter. Code Letter: 93. Guarantee: 3. Length [mm]: 953 mm. Supplementary Article/Info 2: 515. Weight [kg]: 4,750 kg

What's included:
  • 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 FORD 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]: 953 mm; Weight [kg]: 4,750 kg; Code Letter: 93; 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: 1032555, 1032557, 1032656, 1039104, 1039138, 1042946, 1046096, 1046100 and 23 more. 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 £292.99. 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 1032555?

Yes, this WALKER catalyst converter is a direct replacement for OE part number 1032555. 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 21791 the same as the WALKER 15870?

No, while both are catalyst converter parts, they are different products. The WALKER 21791 has Length [mm]: 953 mm, Weight [kg]: 4,750 kg, Code Letter: 93. 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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