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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
4.7 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 4
NICE Shirt that SHRINKS!!
Fit Type: Regular Fit, Color: Blue, Size: X-Large
Loved this shirt right out of the package. Put a little steam pressing on it and it was perfect. Has a thicker softer feel than most casual dress shirts. Ordered XL with the "regular" fit and it could be worn tucked or out without it looking overly blousy. SADLY, after a first wash on cold and tumble dry low, and pulled it out early and it shrunk by almost a full size!!! The sleeves, length of shirt and overall fittage shrunk so that now it fits like a snug large. I've never had a shirt shrink like this, hence, the one star off. I would have given it 2 stars off, but the original quality of the shirt is nice, just beware of the shrinkage factor. Don't put it in the dryer at all, only air dry it. I'm tempted to reorder another but just then never put it in the dryer.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
★★★★★ 5
Shirt worth buying several times
Size: XX-Large, Color: Anthracite Polo Stripe
Purchased another of same order and have found them to be excellent. Comfort, sizing, and quality. Can be dressed up or dressed down and they look great either way.
Worn in very hot weather and have not been oppressed by sweat. Nice. Will be purchasing more. Sizing was great. Loose and long enough to land just right over pants pocket top.
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Reviewed in the United States on June 1, 2026
★★★★★ 5
Great Quality and Comfortable Fit
Size: Large, Color: Washed Blue
I picked up the Amazon Essentials Men’s Golf Polo Shirt, and I’m really impressed. The fabric is soft, breathable, and lightweight — perfect for hot days on the golf course or casual wear.
The fit is spot-on, not too tight or too loose, and it looks sharp tucked in or out. It’s held up well after multiple washes without shrinking or losing shape. For the price, it’s excellent quality and a great value.
If you need a reliable, comfortable polo for sports or everyday wear, this one is a solid choice. Highly recommend!
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Reviewed in the United States on September 5, 2025
★★★★★ 4
Good quality, but runs a bit short
Size: X-Large, Color: Light Grey Heather
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Sizing is mostly on point, and I didn't notice any shrinkage after washing, but I always make sure to air dry this type of material and not throw it in the dryer. My only real gripe is the length. It feels like the shirt should be about 1–2 inches longer. If you raise your arms, people may catch a glimpse of your six-pack (hopefully), and if you bend over… well, let’s just say you'll want to be mindful of who's behind you. If Amazon fixed the length, this would be an easy five-star staple.
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Reviewed in the United States on December 12, 2025
★★★★★ 5
Love these golf shirts
Size: X-Large, Color: Grey Paint
We've bought several of these golf shirts and my husband really loves them! They are good at wicking away sweat, they fit great, are easy to care for and are well made.
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Reviewed in the United States on May 23, 2026