Porsche 911 Catalytic Converters

We found 19 eBay listings for Porsche 911 catalytic converters.

19 listings available |13 sellers

Last checked: . Confirm current price and fitment with the seller.

Compare catalytic converters options for the Porsche 911 by part number, specification and seller fitment details. Matching listing titles mention 1997–2019; this is seller-described coverage, not confirmed fitment. Check the exact generation, engine and required specification before choosing a listing.

What the listings say: Of the 19 listings for Porsche 911 catalytic converters checked on 2 November 2026, 6 give model years between 1997 and 2019, most often 1997–2001 (5). Positions named in the titles: left (5), right (5). Part numbers in more than one title: BM91679. Titles are the sellers’ descriptions, not confirmed fitment: match the part number, model year, generation and engine before you buy.

19 Results

Catalytic Converters

Found 19 listings for "porsche 911 catalytic converters"

PORSCHE CARRERA 911 (997.1) S - 3.8 CATALYTIC CONVERTERS & HEADER PIPES

PORSCHE CARRERA 911 (997.1) S - 3.8 CATALYTIC CONVERTERS & HEADER PIPES

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Used📍 GB
Seller: mister.porsche
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Catalytic Converter Euro 2 Left BM Fits Porsche 911 1997-2001 3.4

Catalytic Converter Euro 2 Left BM Fits Porsche 911 1997-2001 3.4

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New📍 GB
Seller: sjrautoparts
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Fits Porsche 911 1997-2001 3.4 Catalytic Converter Euro 2 Left Stallex

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New📍 GB
Seller: cponline15
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Porsche 911 996 GT3 Catalytic Converters Exhaust Cats Used Pair Genuine Original

Porsche 911 996 GT3 Catalytic Converters Exhaust Cats Used Pair Genuine Original

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Used📍 GB
Seller: stgpurchases
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Porsche 911 996 Carrera 200 Cell High Flow X-Pipe Sports Catalytic Converters

Porsche 911 996 Carrera 200 Cell High Flow X-Pipe Sports Catalytic Converters

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New📍 GB
Seller: directfitexhausts
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Porsche 911 3.4 Exhaust Catalytic converters 996 Pair

Porsche 911 3.4 Exhaust Catalytic converters 996 Pair

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Used📍 GB
Seller: bretonflo
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Porsche 911 997 Carrera 200 Cell High Flow X-Pipe Sports Catalytic Converters

Porsche 911 997 Carrera 200 Cell High Flow X-Pipe Sports Catalytic Converters

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New📍 GB
Seller: directfitexhausts
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Genuine Porsche 911 996 Cats Catalytic Converters Exhaust 3.4 Carrera

Genuine Porsche 911 996 Cats Catalytic Converters Exhaust 3.4 Carrera

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Used📍 GB
Seller: lewishammer
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Porsche 911 996 Carrera 200 Cell High Flow Sports Cat Converters (Pair of)

Porsche 911 996 Carrera 200 Cell High Flow Sports Cat Converters (Pair of)

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New📍 GB
Seller: directfitexhausts
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Porsche 911 997 Carrera 200 Cell High Flow Sports Cat Converters (Pair)

Porsche 911 997 Carrera 200 Cell High Flow Sports Cat Converters (Pair)

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New📍 GB
Seller: directfitexhausts
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BM91679 Catalytic Converter PORSCHE 911 3.6i (964) Carrera Cabrio 2WD 5/89-5/94

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New📍 GB
Seller: rsj-carcare
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Catalytic Converter For Porsche 911 996 3.4 Carrera Right BM Cats 99611302258

Catalytic Converter For Porsche 911 996 3.4 Carrera Right BM Cats 99611302258

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New📍 GB
Seller: mr-wiper
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Genuine Porsche 911 977 Catalytic Converters Left Right 99711303504 9971130604

Genuine Porsche 911 977 Catalytic Converters Left Right 99711303504 9971130604

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Used📍 GB
Seller: winner_winnerchickendinner
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Exhaust System Catalytic Converter BM CATALYSTS BM91679 Fits Porsche 911

Exhaust System Catalytic Converter BM CATALYSTS BM91679 Fits Porsche 911

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New📍 GB
Seller: partandparcel_1
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Fits Porsche 911 1997-2001 3.4 Catalytic Converter Euro 2 Right Stallex

Fits Porsche 911 1997-2001 3.4 Catalytic Converter Euro 2 Right Stallex

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New📍 GB
Seller: cponline15
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Catalytic Converter Type Approved For Porsche 911 996 3.4 Carrera Right BM Cats

Catalytic Converter Type Approved For Porsche 911 996 3.4 Carrera Right BM Cats

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New📍 GB
Seller: mr-wiper
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2017-2019 PORSCHE 911 991.2 GT3 4.0 CATALYTIC CONVERTER LEFT SIDE 9A111302195

2017-2019 PORSCHE 911 991.2 GT3 4.0 CATALYTIC CONVERTER LEFT SIDE 9A111302195

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Used📍 GB
Seller: kr-auto-spares
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Fits Porsche 911 1997-2001 3.4 Baxter Right Catalytic Converter Euro 2

Fits Porsche 911 1997-2001 3.4 Baxter Right Catalytic Converter Euro 2

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New📍 GB
Seller: sjrautoparts
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Fits Porsche 911 1997-2001 3.4 HMH Left Catalytic Converter Euro 2

Fits Porsche 911 1997-2001 3.4 HMH Left Catalytic Converter Euro 2

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New📍 GB
Seller: greencarparts
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Questions about these listings

Which model years are named in the listings for Porsche 911 catalytic converters?

6 listing titles give model years from 1997 to 2019; 1997–2001 appears most often (5 listings). Check your car’s year against the fitment details in each listing.

Which positions are named in the listings for Porsche 911 catalytic converters?

The titles name left (5 listings) and right (5). Order for the position on your car, as stated in the title or the seller’s fitment details.

Which part numbers appear in more than one listing for Porsche 911 catalytic converters?

BM91679 appears in more than one title. Compare the number on your old part with the listing before you buy.

How do I check fitment before buying Porsche 911 catalytic converters?

Match the part number on your old part with the listing, then confirm the model year, generation and engine in the seller’s fitment details. Titles are the sellers’ descriptions, not confirmed fitment.

Check compatibility before buying

These listings were found using Porsche 911 catalytic converters search terms. A search match does not establish fitment. Compare the part number, vehicle year, generation and engine with the seller's compatibility details. Confirm delivery, returns and the final price on eBay before ordering.