What are the essential steps and precautions for replacing fuel hoses and inspecting related components on Audi A4?

Replacement of air conditioning hoses are to be only postponed to a dealer service department or air conditioning shop capable of safely depressurizing the system and extracting refrigerant. Always take care not to take out air conditioning parts or hoses before depressurizing. An engine compartment may experience high temperatures that lead to the degradation of rubber and plastic hoses that are used to operate the engine, accessory, and emission systems and hence inspection to check against cracks, loose clamps, hardening of material and leaks is necessary on a regular basis. Other hoses are clamped and they need to be tensioned to avoid leakages and those that are not clamped need to be monitored on whether they have expanded or hardened. Color-coded or striped: The use of vacuum hoses especially in the emissions system, the replacement hose must be of the same material. Checking a hose can best be done by taking the hose all the way off, marking hoses and fittings so they can be installed properly. Check any plastic T-fittings during the inspection, both in terms of cracks and distortion that may be the cause of leakage. Vacuum leaks may be detected by simply listening to hissing by using a small hose of vacuum. The rubber fuel lines must be inspected on their detergence and chafing, and particularly holes that are made when the hose is bent or connected to fittings. Replacements of fuel lines to high pressure fuel injection systems should be with high-quality fuel line that is not unreinforced vacuum lines or clear plastic tubing. Clamps on fuel lines are spring-type that tend to lose their tension as time goes by and need to be replaced with screw clamps when changing hoses. Areas of metal line that were routed along the frame between the fuel tank and engine should be inspected to ensure that they do not contain bends, crimps or cracks. When replacing a metal fuel line, seamless steel tubing should be employed, and copper and aluminum do not have the required strength to survive the vibration of the engine. Also, inspect metal brake lines at the master cylinder and brake proportioning unit of cracks or loose fittings of which any indication of brake fluid leakage should be an immediate and exhaustive inspection of the brake system.

Genuine Audi Fuel Hose

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43 Fuel Hoses found

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Audi Vent Tube Part Number: 5N0-201-993-S
$37.36 MSRP: $59.78
You Save: $22.42 (38%)
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Product Specifications
- Other Name: Breather
- Replaces: 5N0-201-993-N
Fits the following Audi Models:
- Q3 | 2015-2018 | Premium, Premium Plus, Prestige | 4 Cyl 2.0 L GAS
- Q3 Quattro | 2015-2018 | Premium, Premium Plus, Prestige | 4 Cyl 2.0 L GAS
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Audi Breather Tube Part Number: 8N0-201-993-C
$61.88 MSRP: $86.67
You Save: $24.79 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Tube
Fits the following Audi Models:
- TT | 2000-2006 | Base | 4 Cyl 1.8 L GAS
- TT Quattro | 2000-2006 | ALMS Edition, Base, Special Edition | 4 Cyl 1.8 L GAS, 6 Cyl 3.2 L GAS
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Audi Breather Tube Part Number: 8N0-201-931-J
$70.21 MSRP: $98.33
You Save: $28.12 (29%)
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Product Specifications
- Other Name: Tube
Fits the following Audi Models:
- TT | 2000-2006 | Base | 4 Cyl 1.8 L GAS
- TT Quattro | 2000-2006 | ALMS Edition, Base, Special Edition | 4 Cyl 1.8 L GAS, 6 Cyl 3.2 L GAS
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Audi Connector Hose Part Number: 420-201-143-C
$84.95 MSRP: $118.99
You Save: $34.04 (29%)
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Product Specifications
- Other Name: Hose
Fits the following Audi Models:
- R8 | 2014-2015, 2008-2012 | Base, GT, GT Spyder, Plus, Spyder | 10 Cyl 5.2 L GAS, 8 Cyl 4.2 L GAS
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Audi Connector Hose Part Number: 8E0-201-143-B
$94.00 MSRP: $131.65
You Save: $37.65 (29%)
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Product Specifications
- Other Name: Hose
- Replaces: 8E0-201-143
Fits the following Audi Models:
- A6 | 1998-2004 | Base | 6 Cyl 2.8 L GAS, 6 Cyl 3.0 L GAS
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Audi Breather Tube Part Number: 5QF-201-160-M
$69.01 MSRP: $96.65
You Save: $27.64 (29%)
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Product Specifications
- Other Name: Breather; Breather Tube
Fits the following Audi Models:
- Q3 | 2019-2024 | Premium, Premium Plus, Prestige, S-Line Premium, S-Line Premium Plus, S-Line Prestige | 4 Cyl 2.0 L GAS
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Audi Breather Tube Part Number: 7L8-201-851
$99.47 MSRP: $139.32
You Save: $39.85 (29%)
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Product Specifications
- Other Name: Tube
Fits the following Audi Models:
- Q7 | 2007-2015 | Base, Premium, Premium Plus, Prestige, TDI | 6 Cyl 3.0 L DIESEL, 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L GAS, 8 Cyl 4.2 L GAS
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Audi Vent Tube Part Number: 420-201-163-B
$92.81 MSRP: $129.98
You Save: $37.17 (29%)
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Product Specifications
- Other Name: Tube
Fits the following Audi Models:
- R8 | 2014-2015, 2008-2012 | Base, GT, Plus | 10 Cyl 5.2 L GAS, 8 Cyl 4.2 L GAS
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Audi Vent Tube Part Number: 427-201-163-A
$92.81 MSRP: $129.98
You Save: $37.17 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Tube
Fits the following Audi Models:
- R8 | 2014-2015, 2011-2012 | GT Spyder, Spyder | 10 Cyl 5.2 L GAS, 8 Cyl 4.2 L GAS
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Audi Breather Tube Part Number: 4E0-201-163-B
$103.52 MSRP: $144.98
You Save: $41.46 (29%)
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Product Specifications
- Other Name: Tube
Fits the following Audi Models:
- A8 Quattro | 2004-2010 | Base, L | 12 Cyl 6.0 L GAS, 8 Cyl 4.2 L GAS
- S8 | 2007-2009 | Base | 10 Cyl 5.2 L GAS
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Audi Breather Tube Part Number: 8E0-201-183-AH
$107.10 MSRP: $150.00
You Save: $42.90 (29%)
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Product Specifications
- Other Name: Tube
Fits the following Audi Models:
- A4 | 2002-2003 | Base | 4 Cyl 1.8 L GAS, 6 Cyl 3.0 L GAS
- A4 Quattro | 2002-2003 | Avant, Base | 4 Cyl 1.8 L GAS, 6 Cyl 3.0 L GAS
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Audi Breather Tube Part Number: 8S0-201-931-E
$118.99 MSRP: $166.65
You Save: $47.66 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Breather; Breather Tube
Fits the following Audi Models:
- TT Quattro | 2019-2023 | Base | 4 Cyl 2.0 L GAS
- TT RS Quattro | 2019-2021 | Base | 5 Cyl 2.5 L GAS
- TTS Quattro | 2019-2023 | Base | 4 Cyl 2.0 L GAS
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Audi Vent Tube Part Number: 4H0-201-167-M
$204.67 MSRP: $286.64
You Save: $81.97 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Tube
Fits the following Audi Models:
- A8 Quattro | 2011-2014 | Base, L, L TDI, L W12 | 12 Cyl 6.3 L GAS, 6 Cyl 3.0 L DIESEL, 6 Cyl 3.0 L GAS, 8 Cyl 4.0 L GAS, 8 Cyl 4.2 L GAS
- S8 | 2013-2014 | Base | 8 Cyl 4.0 L GAS
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Audi Breather Tube Part Number: 8S0-201-931-B
$124.94 MSRP: $174.98
You Save: $50.04 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Breather
Fits the following Audi Models:
- TT Quattro | 2016-2019 | Base | 4 Cyl 2.0 L GAS
- TT RS Quattro | 2018-2019 | Base | 5 Cyl 2.5 L GAS
- TTS Quattro | 2016-2019 | Base | 4 Cyl 2.0 L GAS
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Audi Breather Tube Part Number: 4N0-201-183-A
$126.13 MSRP: $176.64
You Save: $50.51 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Breather; Breather Tube
Fits the following Audi Models:
- A8 Quattro | 2020-2021 | L Plug-In Hybrid | 6 Cyl 3.0 L PLUG-IN HYBRID EV-GAS (PHEV)
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Audi Hose Part Number: 8J0-201-218-C
$139.22 MSRP: $194.99
You Save: $55.77 (29%)
Ships in 1-2 Business Days
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Fits the following Audi Models:
- TT RS Quattro | 2012-2013 | Base | 5 Cyl 2.5 L GAS
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Audi Breather Tube Part Number: 8N0-201-995-C
$122.57 MSRP: $171.67
You Save: $49.10 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Breather
- Replaces: 8N0-201-995-A
Fits the following Audi Models:
- TT | 2000-2006 | Base | 4 Cyl 1.8 L GAS
- TT Quattro | 2000-2006 | ALMS Edition, Base, Special Edition | 4 Cyl 1.8 L GAS, 6 Cyl 3.2 L GAS
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Audi Breather Tube Part Number: 8E0-201-167-AP
$126.14 MSRP: $176.66
You Save: $50.52 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Tube
Fits the following Audi Models:
- A4 | 2005-2008 | Base | 4 Cyl 2.0 L GAS, 6 Cyl 3.2 L GAS
- A4 Quattro | 2005-2008 | Avant, Base | 4 Cyl 2.0 L GAS, 6 Cyl 3.2 L GAS
- RS4 | 2007-2008 | Base | 8 Cyl 4.2 L GAS
- S4 | 2005-2008 | Avant, Base | 8 Cyl 4.2 L GAS
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Audi Hose Part Number: 4F0-201-218-E
$156.00 MSRP: $218.48
You Save: $62.48 (29%)
Ships in 1-2 Business Days
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Product Specifications
- Replaces: 8E0-201-218-Q
Fits the following Audi Models:
- TT | 2008-2009 | Base | 4 Cyl 2.0 L GAS
- TT Quattro | 2008-2015 | Base, Premium Plus, Prestige | 4 Cyl 2.0 L GAS, 6 Cyl 3.2 L GAS
- TTS Quattro | 2009-2015 | Base | 4 Cyl 2.0 L GAS
View More
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Audi Breather Tube Part Number: 8N0-201-995-B
$129.71 MSRP: $181.67
You Save: $51.96 (29%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Breather
- Replaces: 8N0-201-995
Fits the following Audi Models:
- TT | 2000-2006 | Base | 4 Cyl 1.8 L GAS
- TT Quattro | 2000-2006 | ALMS Edition, Base, Special Edition | 4 Cyl 1.8 L GAS, 6 Cyl 3.2 L GAS

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1-20 of 43 Results

Audi Fuel Hose

The Audi Fuel Hose is a very important part of your vehicle. Therefore, it has to be maintained in good condition to avoid performance issues and comfortable driving. And these regular checks and replacements will ultimately save you some big repair costs. It is better to choose OEM parts when it comes to the time for fixing them. Why? Because they fit perfectly well and ensure safety. For people who prefer doing their maintenance, the genuine Audi Fuel Hose is quite perfect. At AudiPartsGiant.com, we specialize in genuine Audi Fuel Hoses only. Also, we offer an extensive online catalog with many categories, ample stock, and secure shopping. The Audi Fuel Hose is shipped directly from authorized Audi dealers at competitive prices. So trust us, and we will give you nothing but superior service. Depend on us for all your genuine parts needs, and then we will keep your automobile moving smoothly.

Audi Fuel Hose Parts and Q&A

Breather Tube
8E0-201-167-AP
Q: What are the essential steps and precautions for replacing fuel hoses and inspecting related components on Audi A4?
A:
Replacement of air conditioning hoses are to be only postponed to a dealer service department or air conditioning shop capable of safely depressurizing the system and extracting refrigerant. Always take care not to take out air conditioning parts or hoses before depressurizing. An engine compartment may experience high temperatures that lead to the degradation of rubber and plastic hoses that are used to operate the engine, accessory, and emission systems and hence inspection to check against cracks, loose clamps, hardening of material and leaks is necessary on a regular basis. Other hoses are clamped and they need to be tensioned to avoid leakages and those that are not clamped need to be monitored on whether they have expanded or hardened. Color-coded or striped: The use of vacuum hoses especially in the emissions system, the replacement hose must be of the same material. Checking a hose can best be done by taking the hose all the way off, marking hoses and fittings so they can be installed properly. Check any plastic T-fittings during the inspection, both in terms of cracks and distortion that may be the cause of leakage. Vacuum leaks may be detected by simply listening to hissing by using a small hose of vacuum. The rubber fuel lines must be inspected on their detergence and chafing, and particularly holes that are made when the hose is bent or connected to fittings. Replacements of fuel lines to high pressure fuel injection systems should be with high-quality fuel line that is not unreinforced vacuum lines or clear plastic tubing. Clamps on fuel lines are spring-type that tend to lose their tension as time goes by and need to be replaced with screw clamps when changing hoses. Areas of metal line that were routed along the frame between the fuel tank and engine should be inspected to ensure that they do not contain bends, crimps or cracks. When replacing a metal fuel line, seamless steel tubing should be employed, and copper and aluminum do not have the required strength to survive the vibration of the engine. Also, inspect metal brake lines at the master cylinder and brake proportioning unit of cracks or loose fittings of which any indication of brake fluid leakage should be an immediate and exhaustive inspection of the brake system.