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Genuine Audi Catalytic Converter
Cat. Converter- Select Vehicle by Model
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For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).
270 Catalytic Converters found
Audi Converter & Pipe Part Number: 4H0-253-350-N
$493.12 MSRP: $690.65You Save: $197.53 (29%)Ships in 1-2 Business DaysProduct Specifications- Other Name: Pipe; Muffler & Pipe
- Position: Right
- Replaces: 4H0-253-350-E
Audi Converter & Pipe Part Number: 4H0-253-300-H
$533.11 MSRP: $746.65You Save: $213.54 (29%)Ships in 1-2 Business DaysProduct Specifications- Other Name: Pipe; Converter & Pipe
- Position: Left
- Replaces: 4H0-253-300-E
Audi Converter & Pipe Part Number: 4H0-253-300-G
$599.75 MSRP: $775.37You Save: $175.62 (23%)Ships in 1-2 Business DaysProduct Specifications- Other Name: Pipe; Front Pipe
- Position: Left
Audi Converter & Pipe Part Number: 4H0-253-350-G
$599.75 MSRP: $775.37You Save: $175.62 (23%)Ships in 1-2 Business DaysProduct Specifications- Other Name: Pipe; Converter & Pipe, Front Pipe
- Position: Right
Audi Converter & Pipe Part Number: 4H4-253-350-K
$612.85 MSRP: $792.31You Save: $179.46 (23%)Ships in 1-2 Business DaysProduct Specifications- Other Name: Pipe; Converter & Pipe, Muffler & Pipe
- Position: Right
- Replaces: 4H4-253-350-E
Audi Converter & Pipe Part Number: 4H4-253-300-H
$683.06 MSRP: $883.08You Save: $200.02 (23%)Ships in 1-2 Business DaysProduct Specifications- Other Name: Pipe; Converter & Pipe, Muffler & Pipe
- Position: Left
- Replaces: 4H4-253-300-E
Audi Converter & Pipe Part Number: 4H4-253-300-F
$752.66 MSRP: $973.06You Save: $220.40 (23%)Ships in 1-2 Business DaysProduct Specifications- Other Name: Pipe
- Position: Left
Audi Converter & Pipe Part Number: 4H4-253-350-F
$752.66 MSRP: $973.06You Save: $220.40 (23%)Ships in 1-2 Business DaysProduct Specifications- Other Name: Pipe
- Position: Right
Audi Catalytic Converter Part Number: 1K0-254-401-R
$141.53 MSRP: $169.90You Save: $28.37 (17%)Ships in 1-2 Business DaysProduct Specifications- Other Name: Catalyst; Catalytic Converter
Audi Catalytic Converter Part Number: 5Q0-254-300-P
$571.13 MSRP: $685.63You Save: $114.50 (17%)Ships in 1-2 Business DaysProduct Specifications- Other Name: Catalyst; Converter & Pipe, Exhaust Pipe
- Replaces: 5Q0-254-300-J
Audi Catalytic Converter Part Number: 4B0-254-550-CX
$1679.09 MSRP: $2015.71You Save: $336.62 (17%)Ships in 1-2 Business DaysProduct Specifications- Other Name: Catalyst; Catalytic Converter
- Position: Right
Audi Catalytic Converter Part Number: 4B3-254-550-CX
$1682.66 MSRP: $2020.00You Save: $337.34 (17%)Ships in 1-2 Business DaysProduct Specifications- Other Name: Catalyst; Catalytic Converter
- Position: Right
- Replaces: 4B3-253-058-AX
Audi Catalytic Converter Part Number: 1K0-254-512-NX
$2104.11 MSRP: $2525.95You Save: $421.84 (17%)Ships in 1-2 Business DaysProduct Specifications- Other Name: Catalyst
- Replaces: 1K0-254-511-BX, 1K0-254-509-BX
Audi Catalytic Converter Part Number: 5QN-254-500-R
$1473.64 MSRP: $1769.07You Save: $295.43 (17%)Ships in 1-2 Business DaysProduct Specifications- Other Name: Catalyst; Catalytic Converter, Converter & Pipe
- Replaces: 5QN-254-500-RX
Audi Catalytic Converter Part Number: 8S0-254-500-BX
$2253.44 MSRP: $2687.55You Save: $434.11 (17%)Ships in 1-2 Business DaysProduct Specifications- Other Name: Catalyst; Converter & Pipe
Audi Catalytic Converter Part Number: 7L6-254-301-LX
$2085.26 MSRP: $2485.68You Save: $400.42 (17%)Ships in 1-2 Business DaysProduct Specifications- Other Name: Catalyst; Exhaust Pipe
- Position: Right
Audi Catalytic Converter Part Number: 8K0-254-250-MX
$2073.56 MSRP: $2489.27You Save: $415.71 (17%)Ships in 1-2 Business DaysProduct Specifications- Other Name: Catalyst
- Position: Right
Audi Catalytic Converter Part Number: 7L8-254-300-AX
$2177.51 MSRP: $2596.42You Save: $418.91 (17%)Ships in 1-2 Business DaysProduct Specifications- Other Name: Catalyst; Catalytic Converter
- Position: Left
Audi Catalytic Converter Part Number: 5WA-254-501-A
$3024.97 MSRP: $3631.39You Save: $606.42 (17%)Ships in 1-2 Business DaysProduct Specifications- Other Name: Catalyst; Catalytic Converter, Converter & Pipe
Audi Catalytic Converter Part Number: 5WA-254-501-C
$2243.35 MSRP: $2693.10You Save: $449.75 (17%)Ships in 1-2 Business DaysProduct Specifications- Other Name: Exhaust Pipe; Catalytic Converter, Converter & Pipe
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1-20 of 270 Results
Audi Catalytic Converter
The Audi Catalytic Converter is the car's clean air guardian, transforming the toxic exhaust into healthier gases, meaning that every trip is not only in compliance with stringent emission rules but also the performance remains lively. Audi as a brand has spent more than a century perfecting sporty sedans, dynamic SUVs, and forward-looking electric models, combining its legendary Quattro all-wheel drive with lightweight chassis that hug corners and inspire confidence. Inside any modern Audi, the Virtual Cockpit provides crisp graphics, the matrix headlights cut bright paths at night, and intuitive infotainment keeps drivers connected, all aspects of the company goal of combining luxury and cutting-edge tech. Continuous experimentation with electric powertrains and self-driving systems indicates Audi is on a quest for the future where efficiency and excitement go hand in hand. Matching that philosophy, the Audi Catalytic Converter utilizes a honeycomb lattice covered in precious metals to accelerate reduction and oxidation reactions, scrubbing the exhaust stream of carbon monoxide and unburned hydrocarbons before they escape. High heat inside the robust steel housing energizes these reactions without producing any noticeable back pressure; therefore, acceleration remains smooth. Because every engine depends on an exact air-fuel mix, a clear Audi Catalytic Converter additionally assists steady idle, quick starts, and strong fuel economy throughout the lineup. Overall, the Catalytic Converter increases the life of your engine while reducing smog. Durable materials are resistant to corrosion but have a universal design that fits neatly within the brand's diverse platforms, providing the same reliable protection for people and planet to each model.
Stick with genuine OEM Catalytic Converter when you need quality that holds up. Audi crafts these parts to hit strict factory specs for every single unit. They also run each part through rigorous checks during production to maintain high quality. You can find exact Audi Catalytic Converter you need in our huge stock at AudiPartsGiant.com. You'll love our low, economical prices too. Every OEM part carries a real manufacturer's warranty, so you can buy with confidence. Returns aren't a headache here because our policy is simple. Plus, our speedy delivery gets orders out fast. Shop today and buy with total peace of mind.
Audi Catalytic Converter Parts and Q&A
- Q: What are the important facts owners should be aware of to ensure the proper functioning of a catalytic converter throughout its service life on Audi A3?A:The catalytic converter is a durable and very easy tool and needs no maintenance yet the owners should take note of few facts that they should observe to have proper operations of this device during the life of its use. One should also never use leaded or lead-replacement petrol because lead and other additives may coat the precious metals reducing their efficiency and eventually destroying the converter. It is important to maintain the ignition and fuel systems in an efficient state as per the schedule of the manufacturer. In case of misfiring of the engine, there should be limited driving until it is corrected. Pushing or towing of the car may wet the catalytic converter with unburnt fuel and therefore may cause overheating when the engine is started. One should not switch off the ignition when the engine speed is high and must not use fuel or engine oil additives that can damage the converter. It is not recommended to keep on driving the car and keep burning oil to the point where blue smoke can be seen. The catalytic converter has its very high temperatures and therefore, after a long running period, one should not park the car in dry undergrowth, long grass or stacked leaves. Also, converter is delicate and should not be hit with tools when servicing it, and one must be keen when handling it. Sulphurous odor Sometimes a smell of rotten eggs may be detected at the exhaust, but this is due not to the converter but to the sulfur in the fuel. With a properly driven and well-maintained car, the lifespan of the catalytic converter should take up to 50,000100,000 miles, and once it stops working, it has to be changed.
- Q: How to remove and install the catalytic converter on Audi A4?A:In four cylinder models, the starting point would be to remove the engine cover of 1.8L models and maybe remove the air filter housing to create ease of access. Disconnect the electrical connectors of the upstream and downstream oxygen sensors that might need to have the coolant expansion tank detached without the removal of the hoses. Take out the oxygen sensors of the catalytic converter and then remove the attaching parts that hold the front exhaust pipe in place on top of the catalytic converter. Lift the car on jackstands, loosen the bolts holding the front exhaust pipe support bracket, and then the three bolts holding the lower catalytic converter flange to the front exhaust pipe, and then take away the catalytic converter and dispose the old flange gaskets. The reverse order of installation should be adopted making sure that new gaskets and self-locking nuts are used. In case of V6 models, that one starts with the cover of the rear engine by taking it off then continue with the left-side catalytic converter by taking off the little cover, remove the engine coolant level sensor and the coolant expansion tank. Reach the oxygen sensor electrical connections, and in the case of right catalytic converter, do the same action, but remove the air filter housing. Take the top nuts holding the converter to the exhaust manifold, lift the vehicle, and take out the front wheel. Disconnect the exhaust system and, on AWD models, proceed to further steps to assist and support the transmission by lowering it. Lastly, unbolster the catalytic converter and replace it with the new one making sure that all the fasteners are tightened. In the case of 3.2L V6 engines, it includes the removal of the rear engine cover, the disconnection of the coolant level sensor on the left engine bank, and the same procedure on both the catalytic converters, making sure that the transmission is properly supported and that the entire assembly of the exhaust pipe is taken off carefully before attaching it.
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