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%)
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 Connector Hose Part Number: 420-201-143-C
$84.95 MSRP: $118.99
You Save: $34.04 (29%)
Ships in 1-2 Business Days
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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%)
Ships in 1-2 Business Days
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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%)
Ships in 1-2 Business Days
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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%)
Ships in 1-2 Business Days
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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%)
Ships in 1-2 Business Days
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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%)
Ships in 1-2 Business Days
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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
ADD TO CART
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
ADD TO CART
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
ADD TO CART
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
View related parts
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
ADD TO CART
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
ADD TO CART
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
View related parts
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

Audi Fuel Hose transfers gasoline rapidly and securely from tank to injectors to ensure drivers get smooth acceleration and protection from fuel-wasting leaks or dangers of sparks. Audi earned its reputation with more than a century of innovation, from its early days of water-cooled engines to today's quattro grip keeping sedans and SUVs confident on rain-soaked roads. Digital Virtual Cockpit screens bring navigation and gauges into sharp focus, while adaptive matrix lights cut the darkness without blinding traffic. Electric e-tron models prove that Audi can combine silence and speed, and ongoing self-driving trials are a hint towards an even smarter future. Comfort, performance, and technology unite in such a way that every journey in an Audi feels noble and exciting. Just as the drivetrain is dependent on clever software, the Fuel Hose supports mechanical excellence. Built with materials that shrug off heat, vibration, and modern additives, this Fuel Hose keeps pressure steady so that injectors get an even stream of clean gasoline. Flexible construction can be easily routed around tight engine bays, and reinforced walls resist cuts that can cause vapor loss. A robust Audi Fuel Hose helps preserve throttle response, mileage, and safety throughout the range, making it a universal winner. Simple checks for cracks, stiffness, or gasoline smell can alert owners when a fresh hose will maintain performance at its peak.

Stick with genuine OEM Fuel Hose when you need quality that holds up. Audi crafts these parts to hit strict factory specs for every single unit. They also run each part through rigorous checks during production to maintain high quality. You can find exact Audi Fuel Hose you need in our huge stock at AudiPartsGiant.com. You'll love our low, economical prices too. Every OEM part carries a real manufacturer's warranty, so you can buy with confidence. Returns aren't a headache here because our policy is simple. Plus, our speedy delivery gets orders out fast. Shop today and buy with total peace of mind.

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.