SKU: 53740600293

Catalytic Converter for 2004-2006 Audi A8 Quattro 4.2L OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

Sale price$316.35 Regular price$351.50
Save 10%

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 13 - Jul 18

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Catalytic Converter for 2004-2006 Audi A8 Quattro 4.2L OEM Grade Federal / EPA Compliant Direct-Fit Catalytic ConverterOverview: Keep the check engine light off with MagnaFlow OEM Grade Federal EPA Compliant Direct Fit Catalytic Converter 51966. With features including free flowing mandrel bent tubing and highly corrosion resistant, stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state of the art metrology department uses the latest 3D scanning systems during research

Overview:

Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51966. With features including free-flowing mandrel-bent tubing and highly corrosion resistant, stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This direct-fit catalytic converter is designed specifically for the 2004-2006 Audi A8 Quattro and interchanges with OE parts 4E0 254 551 X and 4E0 254 550 TX. Hardware is included to eliminate the hassle of working with corroded factory parts.

Note : Not For Sale in California

Interchange:

Brand  Interchange Part Number
Audi 4E0 254 550 TX
Audi 4E0 254 551 X
Audi 4E0254550TX
Audi 4E0254551X
Audi 4E0 254 550 TX
Audi 4E0 254 551 X
Audi 4E0254550TX
Audi 4E0254551X

Application:

Year Make Model Submodel Engine Size
2004 - 2006 Audi A8 Quattro 4.2L/V8

Specs:

Series OEM Grade
Subtitle Federal / EPA Compliant
Material Stainless Steel
Title OEM Grade Direct-Fit
Type Direct-Fit
Outlet Attachment Clamp-On
Inlet Attachment Bolt-On
Clamp Included Yes
Mounting Hardware Included Yes
Body Material Stainless Steel
Overall Length (In.) 83
Substrate Material Ceramic
Air Tube Adaptable No
Converter Quantity 1
Main Piping Diameter (In.) 2.5
Oxygen Sensor Location Pre and Post Converter
Finish Stainless Steel
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 53740600293

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.8 ★★★★★
Based on 1956 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
S
Verified Purchase
Sarah
Port Orchard, US
★★★★★ 5
Good starter
Good start set for wrinkles
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
S
Verified Purchase
Sucel
Fort Morgan, US
★★★★★ 5
I would definitely recommend it.
I loved them. Makes your face look radiant and removes your pimples from your face if you use it daily
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 12, 2026
J
Verified Purchase
Jessie Stephens
Massapequa, US
★★★★★ 5
Good quality for a decent price point
Excellent set for a reasonable price. Eye serum is not good for those with super sensitive skin (like those prone to eczema), but otherwise works for us!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 17, 2026
D
Verified Purchase
Daniela Lemus
Houston, US
★★★★★ 5
Ordinary
Great gift for my mother, she enjoys the brand and feels great on the skin
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 24, 2025
D
Verified Purchase
Daniela Esquivel
Battle Creek, US
★★★★★ 4
So far I like it
I bought this combo because I have used the ordinary before and liked the results. So far I’m not a fan of the lotion, feels a bit too thick for my liking. But other 2 products so far are making my skin look brighter and hydrated. I didn’t break out at first with the oil because I’m sensitive to too much oil but my skin adjusted to it. Definitely value for your money.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 24, 2025

recommand products