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Description
Catalytic Converter for 2007-2008 Audi Q7 3.6L MagnaFlow 51943Overview: Keep the check engine light off with MagnaFlow OEM Grade Federal EPA Compliant Direct Fit Catalytic Converter 51943. 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 51943. 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.
Designed to fit the 2007-2008 Audi Q7 and 2007 Volkswagen Touareg, this direct-fit catalytic converter also interchanges with OE parts 7L6 254 301 MX, 7L8 254 300 KX, among others.
Note : Not For Sale in California
Interchange:
| Brand | Interchange Part Number |
|---|---|
| Audi | 7L6 254 301 MX |
| Volkswagen | 7L6 254 301 MX |
| Audi | 7L8 254 300 AX |
| Audi | 7L8 254 300 EX |
| Audi | 7L8 254 300 KX |
| Audi | 7L6254301MX |
| Volkswagen | 7L6254301MX |
| Audi | 7L8254300AX |
| Audi | 7L8254300EX |
| Audi | 7L8254300KX |
| Audi | 7L6 254 301 MX |
| Volkswagen | 7L6 254 301 MX |
| Audi | 7L8 254 300 AX |
| Audi | 7L8 254 300 EX |
| Audi | 7L8 254 300 KX |
| Audi | 7L6254301MX |
| Volkswagen | 7L6254301MX |
| Audi | 7L8254300AX |
| Audi | 7L8254300EX |
| Audi | 7L8254300KX |
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| 2007 - 2008 | Audi | Q7 | 3.6L/V6 | |
| 2007 | Volkswagen | Touareg | 3.6L/V6 |
Specs:
| Body Material | Stainless Steel |
|---|---|
| Overall Length (In.) | 31.75 |
| Substrate Material | Ceramic |
| Air Tube Adaptable | No |
| Converter Quantity | 1 |
| Inlet Attachment | Bolt-On |
| Main Piping Diameter (In.) | 2.25 |
| Oxygen Sensor Location | Pre and Post Converter |
| Series | OEM Grade |
| Finish | Stainless Steel |
| Material | Stainless Steel |
| Subtitle | Federal / EPA Compliant |
| Title | OEM Grade Direct-Fit |
| Type | Direct-Fit |
| Outlet Attachment | Bolt-On |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.3 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 5
Good Sport Watch
Color: Blue/Black
This is a good sport watch. I wear these to work in all sorts of conditions...and they take a beating. I have to get the unisex watches/bands as I have thick wrists for a woman and women's watchbands generally don't fit me. I can't wear the metal watch bands because when I flex my wrist they break. I can't wear the leather bands because when I sweat the band just deteriorates and falls apart. These woven bands are just perfect. I also like that it is velcro. That way you can adjust it perfectly to your wrist. I have worn these watches for nearly 15 years. It has two time functions - so that you can have regular time and maybe the time in another country. It has a split lap stop watch so that you can time each lap as well as your full run. Time, date, alarm, and hour beep if you so desire. It also has a back light which is really handy to tell time in the dark. Only problem with that is at about the year mark, the battery is so low that the light will come on, but the numbers disappear. But, well, it is what it is.
Some reviewers have complained that the band is rather small fitting around the wrist. I am a woman and I bought a womans Timex once. The band was EXTREMELY small and barely fit me at all. It would come off a lot of the time because there was barely any velcro to wrap around. This watch is probably more of a unisex watch. Not a woman's per se, but not a big man's watch either. It is about in the middle. I have a 7.5" wrist and that is about as large of a wrist that this watch will fit. The women's watch that I had previously had would only fit a 7" wrist.
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Reviewed in the United States on September 24, 2014
★★★★★ 5
Great no frills watch, love it.
Color: Blue/Black
This watch is a really nice and is perfect for me. It tells the time (duh!), the date and has a stopwatch feature I never use. Mostly I like that it is a no frills product, but it does its job. This is great for people that actually want something that tells the time and not some fancy gold bracelet to impress the ladies. Although I spend most of my time in front of a computer, I imagine this piece would be great for someone with an active lifestyle (biking, running, etc.). The watch itself is mostly plastic and watch-proof and the band is a fabric velcro. For a while I had the older model with a rubber strap and I like this new model much better. The strap is comfortable and easy to take on and off. I wish the strap was a little bigger though, it might be too small for someone with really fat arms. It does have an indiglo feature although I had the older model and the indiglo died after like 6 months. Hopefully this one will last. What can I say, its a watch. If you are looking for something simple with a classic design, look no further.
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Reviewed in the United States on May 6, 2010
★★★★★ 5
Everything I expected.
Color: Black/Red
Not the watch I would want as an adult but fits my son perfectly. It’s durable, red and makes him happy. It should last him until he is old enough to get a job and make his own style and life choices.
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Reviewed in the United States on April 24, 2026
★★★★★ 1
Timex now poor quality
Color: Blue/Black
These watches used to last me years. The past two of these have died in under 6 months. Worthless junk. Will avoid Timex from now on.
A single drop of water and the button sends the watch into black screen and reset.
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Reviewed in the United States on May 25, 2026
★★★★★ 3
Good basic digital watch for women
Color: Black/Gray Stripe, Color: Black/Gray Stripe
Okay, so it's a great watch for women with small to medium wrists. Here's my pros and cons list:
Pros:
- Super easy to set. The package insert does NOT include instructions. This is my first Timex Expedition watch, so I had no experience going in. All you do is press Set and you use the Start and Stop buttons to move up and down, respectively, through the settings. Easy enough!
- I love the simplicity of the watch. It's simple and easy to read.
- It has the day of the week AND the month AND the date. I wanted to make sure any watch I get has these features.
- The watch band seems high quality. It is fabric/nylon, so it should hold up for several years (we'll see I guess).
- The Indiglo is pretty and works great in the dark!
Cons:
- I have to tighten the band as tight as possible in order to prevent the watch from wobbling around my wrist. It may be because my wrist is small and the watch itself is a bit heavy in comparison. I AM new to wearing a watch, so maybe it's just something I have to get used to.
- The display is perfect, but only when looking at it straight on (when facing you directly). If you were to glance over at your watch while you're typing on your computer, you can't see the time. It's too blurry. So the viewing angles are terrible. You can only see the time if you look directly at it. Again, this might be an issue with all digital watches, but I sort of expected more in today's technological world. This is probably my biggest con and biggest disappointment.
- The band holder is also nylon, so I had some trouble getting the extra band into the band holder. Now that I think more about it, I'm not sure what a better alternative would be for a nylon band... maybe if they glued the band holder on to the band, it wouldn't move around so much when trying to insert the band into the holder. Once you're inserted it, it seems to stay in place, though. So that's good. But I can see it loosening up and not working well in the future.
I've only had this watch since yesterday, so I haven't been able to test its waterproofness yet. I will update this review if I am unhappy with the waterproofness.
Overall, it's exactly what I was looking for: a basic digital watch that shows the day and date, with a band that is small enough to fit my female wrist. However, I would have liked it better if the price was $10-15 less than what I paid for it.
UPDATE: I've since moved on to a few other watches since this one. I have concluded that I do NOT like having a cloth/nylon watch band, and I prefer the rubber/plastic bands now. The nylon band takes way too long to dry after a shower, whereas the plastic bands don't need ANY drying time.
There are a lot of good plastic banded watches out there, and I've tried a few no-name brands on Amazon and have been happier with them than I was with this Timex. They are also not as heavy and floppy on my wrist.
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Reviewed in the United States on July 6, 2016