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Description
Cap Expansion Tank for Audi A4 / S4 B6, Volkswagen Beetle & Porsche Cayenne - 112306Vehicle Fitment & Part Details The Cap Expansion Tank is listed for the Audi A4 S4 B6 (2001 2005) and other Volkswagen and Porsche applications. Pressure: 1. 5 Bar. Confirm compatibility by matching the listed fitment details. Verify VIN engine. Key Details SKU 112306 Component Cap Expansion Tank Specs Pressure: 1. 5 Bar Primary Fitment Audi A4 S4 B6 (2001 2005) Listing Highlights Listed for selected Audi, Volkswagen, Porsche applications shown in the
Vehicle Fitment & Part Details
The Cap Expansion Tank is listed for the Audi A4 / S4 B6 (2001-2005) and other Volkswagen and Porsche applications. Pressure: 1.5 Bar. Confirm compatibility by matching the listed fitment details. Verify VIN/engine.
Key Details
- SKU
- 112306
- Component
- Cap Expansion Tank
- Specs
- Pressure: 1.5 Bar
- Primary Fitment
- Audi A4 / S4 B6 (2001-2005)
Listing Highlights
- Listed for selected Audi, Volkswagen, Porsche applications shown in the fitment table.
- Pressure: 1.5 Bar.
Vehicle Fitment
Includes 75 supplied applications covering Audi and Porsche. An additional 56 applications are not shown here due to listing-length limits - see the live product listing for the complete fitment list. Use the full table below to confirm model, chassis, year range, engine and power before ordering.
View Full Vehicle Fitment (75 applications)
| Make | Model | Chassis | Years | Engine | Power |
|---|---|---|---|---|---|
| Audi | A4 / S4 B6 | 8E2 | 2001-2005 | 1.8 T BEX | 140 kW / 190 HP |
| Audi | A4 / S4 B6 | 8E2 | 2001-2005 | 1.8 T BFB | 120 kW / 163 HP |
| Audi | A4 / S4 B6 | 8E2 | 2001-2005 | 1.9 TDI AVF; AWX | 96 kW / 130 HP |
| Audi | A4 / S4 B6 | 8E2 | 2001-2005 | 2.0 ALT | 96 kW / 130 HP |
| Audi | A4 / S4 B6 | 8E2 | 2001-2005 | 2.4 BDV | 125 kW / 170 HP |
| Audi | A4 / S4 B6 | 8E2 | 2001-2005 | 2.5 TDI quattro AKE; BAU; BDH | 132 kW / 180 HP |
| Audi | A4 / S4 B6 | 8E2 | 2001-2005 | 3.0 ASN | 162 kW / 220 HP |
| Audi | A4 / S4 B6 | 8E2 | 2001-2005 | 3.0 quattro ASN | 162 kW / 220 HP |
| Audi | A4 / S4 B6 Avant | 8E5 | 2002-2005 | 1.8 T BEX | 140 kW / 190 HP |
| Audi | A4 / S4 B6 Avant | 8E5 | 2002-2005 | 1.8 T BFB | 120 kW / 163 HP |
| Audi | A4 / S4 B6 Avant | 8E5 | 2002-2005 | 1.9 TDI AVF; AWX | 96 kW / 130 HP |
| Audi | A4 / S4 B6 Avant | 8E5 | 2002-2005 | 2.5 TDI quattro AKE; BAU; BDH | 132 kW / 180 HP |
| Audi | A4 B5 | 8D2 | 1995-2001 | 1.8 ADR; APT; ARG; AVV | 92 kW / 125 HP |
| Audi | A4 B5 | 8D2 | 1995-2001 | 1.8 AFY | 85 kW / 115 HP |
| Audi | A4 B5 | 8D2 | 1995-2001 | 1.8 T AEB; ANB; APU; ARK; AWT | 110 kW / 150 HP |
| Audi | A4 B5 | 8D2 | 1995-2001 | 2.4 AGA; ALF; AML; APS; ARJ | 121 kW / 165 HP |
| Audi | A4 B5 | 8D2 | 1995-2001 | 2.4 AJG; AMM; APZ | 120 kW / 163 HP |
| Audi | A4 B5 | 8D2 | 1995-2001 | 2.5 TDI AFB; AKN | 110 kW / 150 HP |
| Audi | A4 B5 | 8D2 | 1995-2001 | 2.6 ABC | 110 kW / 150 HP |
| Audi | A4 B5 | 8D2 | 1995-2001 | 2.8 ACK; AHA; ALG; AMX; APR; AQD; ATQ | 142 kW / 193 HP |
| Audi | A4 B5 | 8D2 | 1995-2001 | 2.8 quattro ACK; AHA; ALG; AMX; APR; AQD; ATQ | 142 kW / 193 HP |
| Audi | A4 B5 Avant | 8D5 | 1997-2001 | 1.8 ADR; APT; ARG; AVV | 92 kW / 125 HP |
| Audi | A4 B5 Avant | 8D5 | 1997-2001 | 1.8 T AEB; ANB; APU; ARK; AWT | 110 kW / 150 HP |
| Audi | A4 B5 Avant | 8D5 | 1997-2001 | 2.4 AGA; ALF; AML; APS; ARJ | 121 kW / 165 HP |
| Audi | A4 B5 Avant | 8D5 | 1997-2001 | 2.6 ABC | 110 kW / 150 HP |
| Audi | A4 B5 Avant | 8D5 | 1997-2001 | 2.8 quattro ACK; AHA; ALG; AMX; APR; AQD; ATQ | 142 kW / 193 HP |
| Audi | A6 / S6 C4 | 4A2 | 1994-1998 | 2.6 ABC | 110 kW / 150 HP |
| Audi | A6 / S6 C4 | 4A2 | 1994-1998 | 2.8 AAH; AFC | 128 kW / 174 HP |
| Audi | A6 / S6 C5 | 4B2, 4B4 | 1997-2004 | 1.8 T AEB; ANB; APU; ARK; AWT | 110 kW / 150 HP |
| Audi | A6 / S6 C5 | 4B2, 4B4 | 1997-2004 | 1.9 TDI AVF; AWX | 96 kW / 130 HP |
| Audi | A6 / S6 C5 | 4B2, 4B4 | 1997-2004 | 2.4 AGA; ALF; AML; APS; ARJ | 121 kW / 165 HP |
| Audi | A6 / S6 C5 | 4B2, 4B4 | 1997-2004 | 2.4 BDV | 125 kW / 170 HP |
| Audi | A6 / S6 C5 | 4B2, 4B4 | 1997-2004 | 2.5 TDI BCZ; BDG; BFC | 120 kW / 163 HP |
| Audi | A6 / S6 C5 | 4B2, 4B4 | 1997-2004 | 2.7 T quattro ARE; BES | 184 kW / 250 HP |
| Audi | A6 / S6 C5 | 4B2, 4B4 | 1997-2004 | 2.8 quattro ACK; ALG; AMX; APR; AQD | 142 kW / 193 HP |
| Audi | A6 / S6 C5 | 4B2, 4B4 | 1997-2004 | 3.0 ASN | 162 kW / 220 HP |
| Audi | A6 / S6 C5 | 4B2, 4B4 | 1997-2004 | 3.0 quattro ASN | 162 kW / 220 HP |
| Audi | A6 / S6 C5 | 4B2, 4B4 | 1997-2004 | 4.2 quattro ARS; ART; ASG; AWN | 220 kW / 299 HP |
| Audi | A6 / S6 C5 Avant | 4B5, 4B6 | 1998-2006 | 2.4 AGA; ALF; AML; APS; ARJ | 121 kW / 165 HP |
| Audi | A6 / S6 C5 Avant | 4B5, 4B6 | 1998-2006 | 2.4 BDV | 125 kW / 170 HP |
| Audi | A6 / S6 C5 Avant | 4B5, 4B6 | 1998-2006 | 2.5 TDI BCZ; BDG; BFC | 120 kW / 163 HP |
| Audi | A6 / S6 C5 Avant | 4B5, 4B6 | 1998-2006 | 2.5 TDI Allroad quattro AKE; BAU; BDH | 132 kW / 180 HP |
| Audi | A6 / S6 C5 Avant | 4B5, 4B6 | 1998-2006 | 2.7 T Allroad quattro ARE; BES | 184 kW / 250 HP |
| Audi | A6 / S6 C5 Avant | 4B5, 4B6 | 1998-2006 | 2.8 quattro ACK; ALG; AMX; APR; AQD; ATQ | 142 kW / 193 HP |
| Audi | A6 C4 Avant | 4A5 | 1994-1998 | 2.6 ABC | 110 kW / 150 HP |
| Audi | A6 C4 Avant | 4A5 | 1994-1998 | 2.6 ACZ | 102 kW / 139 HP |
| Audi | Q7 | 4LB | 2006-2015 | 3.0 TDI quattro BUG | 171 kW / 233 HP |
| Audi | Q7 | 4LB | 2006-2015 | 3.0 TDI quattro CASA; CCMA; CJGA; CNRB | 176 kW / 240 HP |
| Audi | Q7 | 4LB | 2006-2015 | 3.0 TDI quattro CJGD; CLZB; CRCA | 180 kW / 245 HP |
| Audi | Q7 | 4LB | 2006-2015 | 3.0 TFSI quattro CJTB; CJWB; CNAA; CTWA | 245 kW / 333 HP |
| Audi | Q7 | 4LB | 2006-2015 | 3.6 FSI quattro BHK | 206 kW / 280 HP |
| Audi | Q7 | 4LB | 2006-2015 | 4.2 FSI quattro BAR | 257 kW / 350 HP |
| Audi | Q7 | 4LB | 2006-2015 | 4.2 TDI quattro BTR | 240 kW / 326 HP |
| Audi | Q7 | 4LB | 2006-2015 | 4.2 TDI quattro CCFA; CCFC | 250 kW / 340 HP |
| Audi | Q7 | 4LB | 2006-2015 | 6.0 TDI quattro CCGA | 368 kW / 500 HP |
| Audi | TT | 8N3 | 1998-2007 | 1.8 T quattro APX; BAM; BEA | 165 kW / 224 HP |
| Audi | TT | 8N3 | 1998-2007 | 3.2 VR6 quattro BHE | 184 kW / 250 HP |
| Audi | TT Roadster | 8N9 | 1999-2007 | 1.8 T quattro APX; BAM; BEA | 165 kW / 224 HP |
| Porsche | CAYENNE | 9PA | 2002-2010 | 3.0 TDI M 05.9D | 176 kW / 240 HP |
| Porsche | CAYENNE | 9PA | 2002-2010 | 3.2 M02.2Y | 177 kW / 241 HP |
| Porsche | CAYENNE | 9PA | 2002-2010 | 3.2 M02.2Y | 184 kW / 250 HP |
| Porsche | CAYENNE | 9PA | 2002-2010 | 3.6 M 55.01 | 213 kW / 290 HP |
| Porsche | CAYENNE | 9PA | 2002-2010 | GTS 4.8 M 48.01 | 298 kW / 405 HP |
| Porsche | CAYENNE | 9PA | 2002-2010 | S 4.5 M 48.00 | 250 kW / 340 HP |
| Porsche | CAYENNE | 9PA | 2002-2010 | S 4.8 M 48.01 | 283 kW / 385 HP |
| Porsche | CAYENNE | 9PA | 2002-2010 | Turbo 4.5 M 48.50 | 331 kW / 450 HP |
| Porsche | CAYENNE | 9PA | 2002-2010 | Turbo S 4.5 M 48.50S | 368 kW / 500 HP |
| Porsche | CAYENNE | 9PA | 2002-2010 | Turbo S 4.5 M 48.50T | 383 kW / 521 HP |
| Porsche | CAYENNE | 9PA | 2002-2010 | Turbo S 4.8 M 48.51 | 368 kW / 500 HP |
| Porsche | CAYENNE | 9PA | 2002-2010 | Turbo S 4.8 M 48.51 | 397 kW / 540 HP |
| Porsche | CAYENNE | 9PA | 2002-2010 | Turbo S 4.8 M 48.51 | 404 kW / 550 HP |
| Porsche | PANAMERA | 970 | 2009-2016 | 3.0 4S MCW.DA | 309 kW / 420 HP |
| Porsche | PANAMERA | 970 | 2009-2016 | 3.0 D MCR.CC | 184 kW / 250 HP |
| Porsche | PANAMERA | 970 | 2009-2016 | 3.0 D MCW.JA | 221 kW / 300 HP |
| Porsche | PANAMERA | 970 | 2009-2016 | 3.0 S MCW.DA | 309 kW / 420 HP |
Fitment Notes
- Always match vehicle details before ordering. Verify VIN/engine.
Compatibility Verification Notes
- Confirm compatibility using VIN, engine code, chassis / platform, OE reference and original part comparison before ordering.
- Match the supplied fitment details to your vehicle, including model, year range and any listed engine or chassis information.
- Fitment data may vary by production date, market, import history and engine variant.
- This listing is for part identification and compatibility checking only. Installation must be carried out according to the vehicle manufacturer's service information by a suitably qualified person.
Common Questions
Will the Cap Expansion Tank fit my Audi A4 / S4 B6?
This part (112306) is listed for the fitments shown on this page. Confirm by matching the fitment details. Verify VIN/engine.
How do I confirm fitment if there are multiple variants?
Compare the supplied fitment details, original part details and any listed variant information before ordering. Verify VIN/engine.
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
4.9 ★★★★★
Based on 30 reviews
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Product Reviews
★★★★★ 4
Worth every penny.
Size: Large, Product Packaging: Standard Packaging
** Sept update.. the inner ring has taken a hit and started to unravel so we had to cut it off. The tire is still holding up! **
Bought this in Feb and it's still going strong. It's had a mal and dutch shep tugging on it and still held up. I am amazed and really like this one.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 15, 2025
★★★★★ 5
Fantastic dog toy
Size: Large, Product Packaging: Standard Packaging
Fantastic dog toy, probably my dogs favorite. It’s really durable, my dogs a heavy chewer and this toy has lasted several weeks. Will definitely buy again
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
★★★★★ 1
SAVE YOUR MONEY, THESE ARE UTTER GARBAGE UNLESS YOUR DOG HAS NO TEETH (MAYBE)!!
Size: Large, Product Packaging: Standard Packaging, Size: Large, Product Packaging: Standard Packaging
For all those purchasers who are posting videos of these toys while talking about how great they are and how long they have lasted at your house, would you mind disclosing the breed and age of your dog(s) that play with them? I only ask because I am finding these "positive" reviews REALLY hard to believe now that I have firsthand knowledge that, as a chew toy, this thing completely sucks. Based upon personal experience and the physical and photographic evidence, your dog might be an OBSESSIVE chewer, but they are most assuredly NOT a "power" chewer. If they were, you would almost certainly be posting reviews saying that this toy is utter crap, just like I'm having to do now.
After many years of experience using Kong brand toys, the idea that this toy is the "most durable" Kong toy is just ridiculous, and blatant false advertising in my opinion. It took three of my dogs (a 5 year-old Boxer/Pit Bull mix (2nd pic) I'm fostering and two one year old border collie puppies) all of five minutes to completely shred FOUR of these toys straight out of the delivery box. I was the proud owner of four of these things for all of five frickin' minutes out of the box. Meanwhile, it previously took the Boxer/Pit almost two years to destroy two medium-sized Kong "snowman" shaped toys, and even then he wasn't able to shred them anywhere near to this degree. And believe me, he actually *IS* a true "power" chewer, as after raising and training dogs for over 50 years, I have never seen a dog completely break that type of Kong chew toy.
As an aside, Kong (the company) appears to take crappy product claims only by means of printed hard copy sent via the U.S mail, so no immediate relief for your wasted expenditure on their products will soon be forthcoming. How many modern companies do you know of that don't allow some sort of online contact for product claims, even if it's just an email address? So I might very well have to reconsider whose products I am willing to spend my all-too hard earned money on.
That said, those three dogs are all now outside throwing up chunks of these crappy toys that they swallowed while tearing them to pieces, and which I now find myself hoping really are non-toxic!! The regular "snowman" shaped Kong toys are MUCH more durable than these things are. Had I known that beforehand, I would have spent my money accordingly. The picture I posted is the last remaining toy out of the four I ordered, and I most certainly want my money back (wish me luck)!! This toy is a complete WASTE of your money for any dog that is bigger than an aged chihuahua or that actually has teeth, so I suggest that you DO NOT purchase.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 18, 2024
★★★★★ 5
Tough and Long-Lasting Toy for Heavy Chewers
Size: Large, Product Packaging: Standard Packaging
The KONG Extreme Tires are built for dogs who chew through just about everything else. Made from KONG’s most durable rubber, the toy is designed to stand up to strong jaws while also offering a fun shape that dogs enjoy rolling, chasing, and chewing. The tire design has grooves that can be stuffed with treats or peanut butter, which helps keep dogs engaged for longer play sessions.
This toy is especially useful for large breeds or heavy chewers who usually destroy softer toys in minutes. While no toy is completely indestructible, the Extreme Tires hold up far better than most and provide both chewing satisfaction and mental stimulation. The size is hefty and best suited for medium to large dogs, and smaller breeds may find it too heavy.
Pros: The rubber is extra durable, the tire shape adds variety and fun, and the grooves can be filled with treats for extra engagement.
Cons: It may be too heavy for smaller dogs, strong chewers can still wear it down over time, and it isn’t designed to bounce or fly like other KONG toys.
A rugged and reliable toy made for power chewers. The Extreme Tires provide long-lasting fun and double as a great option for treat-stuffing, making it one of KONG’s toughest and most useful toys.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 30, 2025
★★★★★ 5
Well-made and great size for the price!
Color: blue black
Very tough product, no odor of plastic, good toy for outside, perfect for medium or large dogs. Noise isn't too bad and the color is cute as well. Can't destroy this toy!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026